WO2010073913A1 - Probe for measuring living body information - Google Patents

Probe for measuring living body information Download PDF

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Publication number
WO2010073913A1
WO2010073913A1 PCT/JP2009/070652 JP2009070652W WO2010073913A1 WO 2010073913 A1 WO2010073913 A1 WO 2010073913A1 JP 2009070652 W JP2009070652 W JP 2009070652W WO 2010073913 A1 WO2010073913 A1 WO 2010073913A1
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WO
WIPO (PCT)
Prior art keywords
finger
holding portion
probe
hold
housing
Prior art date
Application number
PCT/JP2009/070652
Other languages
French (fr)
Japanese (ja)
Inventor
正晴 金沢
謙治 蛤
公一 寺内
一成 水口
澄 今井
典浩 舘田
Original Assignee
コニカミノルタセンシング株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by コニカミノルタセンシング株式会社 filed Critical コニカミノルタセンシング株式会社
Publication of WO2010073913A1 publication Critical patent/WO2010073913A1/en

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
    • A61B5/14551—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters for measuring blood gases
    • A61B5/14552—Details of sensors specially adapted therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6813—Specially adapted to be attached to a specific body part
    • A61B5/6825—Hand
    • A61B5/6826—Finger
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/683—Means for maintaining contact with the body
    • A61B5/6838—Clamps or clips

Definitions

  • the present invention is used for measurement of biological information such as blood oxygen saturation and pulse, and relates to a probe attached to a finger.
  • photoelectric pulse wave measuring devices such as a photoelectric pulse wave meter and a pulse oximeter equipped with a probe attached to a finger to measure the blood oxygen saturation and pulse.
  • the pulse oximeter irradiates light from the probe attached to the finger of the subject and measures the transmitted or reflected light to determine blood oxygen saturation.
  • the photoelectric pulse wave measuring device does not need to collect blood when measuring blood oxygen saturation and / or pulse, there is very little invasion to the body of the subject. This facilitates long-term continuous use and is used to monitor the condition of the patient during surgery. Recently, the device has been miniaturized so that it does not get in the way even when worn for a long time, and blood oxygen saturation can be measured continuously for a long time. It is also used for measurement of oxygen saturation (measured continuously for about 8 hours or more), sports training, and the like.
  • FIG. 9 is a perspective view of a conventional probe attached to a finger
  • FIG. 10 is a cross-sectional view of the probe shown in FIG. 9 attached to a finger.
  • the probe E is attached to the tip of a finger.
  • the probe E is connected to a measuring device (not shown) via a cable Ca. Note that the probe E shown in FIG. 9 measures light transmitted through the finger.
  • the probe E connects the upper housing 91 disposed on the upper side (nail side) of the finger, the lower housing 92 disposed on the lower side (abdominal side) of the finger, and the upper housing 91 and the lower housing 92. And a hinge portion 93. Further, the upper housing 91 is provided with a light shielding portion 94 for shielding external light from the side portions of the fingers (portions not on the nail side and the abdominal side) when the probe E is attached to the fingers. The light-shielding portion 94 completely covers the gap between the upper housing 91 and the lower housing 92 when the probe E is attached to a finger, and here is a light-shielding rubber formed along the finger. .
  • an elastic member (elastic spring) 95 that biases the upper housing 91, the lower housing 92, and the fingers in the direction sandwiching the fingers is provided in the vicinity of the hinge portion 93. Yes.
  • the upper housing 91 is provided with an upper hold member 911 that contacts the fingernail side.
  • the lower housing 92 is provided with a lower hold member 921 that comes into contact with the belly side of the finger.
  • the upper hold member 911 includes an LED light source 912 that is a light emitting unit that emits light of a predetermined wavelength to the finger, and when the lower hold member 921 is disposed in contact with the finger, A light receiving unit 922 for receiving light transmitted through the finger is provided at a position facing the LED light source 912 across the finger.
  • the finger to which the probe E is attached is fixed with the joint extended (see, for example, JP-A-7-236625, JP-A-11-188019, etc.).
  • the light emitted from the LED light source 912 is transmitted through the finger, and the transmitted light is detected by the light receiving unit 922.
  • the light receiving unit 922 converts the detected light into a signal, and the signal is sent to the measurement device via the cable Ca.
  • the measuring device analyzes the transmitted signal to detect blood oxygen saturation, pulse, and the like.
  • the finger equipped with the probe E is fixed with the joint extended.
  • the finger is naturally bent in a weak state (unconstrained state).
  • the state in which the joint generated by mounting the probe E is extended is a state in which an unnatural force is applied to the finger. Even in such an unnatural state where the joint is extended, pain and discomfort are small if the joint is short.
  • the probe E when the probe E is worn over a long period of time, such as measurement of the condition of a subject during surgery, measurement for observation of sleep apnea syndrome, etc., the finger is stretched firmly for a long time. Therefore, the uncomfortable feeling and pain that the subject feels on the fingers increases.
  • the present invention is a probe that can accurately measure the state of the body such as blood oxygen saturation and pulse, and can reduce discomfort and pain felt by the subject's fingers when worn for a long time.
  • the purpose is to provide.
  • the present invention is a probe for measuring biological information, comprising a housing and a holding unit that is disposed in the housing and holds the fingernail side and the abdomen side of a finger. At least one of the fingernail side or the abdomen side has a shape that can hold the finger with the joint bent.
  • the fingers are maintained in a natural state (bent state), it is difficult for the subject to feel stress on the fingers, and the fingers can be prevented from bending and stretching in order to remove the stress during measurement. Thereby, the positional relationship between the light source unit or the light receiving unit arranged on the probe and the finger is hardly changed, and it is possible to measure biological information stably and accurately.
  • At least one of the fingernail side and the abdomen side of the hold part may be an integrally molded body bent at a portion facing the joint of the finger.
  • a soft resin such as a foamed resin such as foamed urethane or a gel-like resin for the portion that comes into contact with the fingers, it is possible to reduce discomfort and pain felt by the fingers.
  • At least one of the fingernail side and the abdomen side of the hold part is a connection part formed at a part facing the joint of the finger and includes a plurality of holding parts that are flexibly connected. May be.
  • the holding part provided with the connecting part may be an integrally formed body formed so that the connecting part is thinner than other parts of the holding part, and the holding part provided with the connecting part.
  • the portion may be formed so that the holding portions adjacent to each other at the connecting portion can be separated from each other.
  • At least one of the holding portions may be fixed to the housing, and the connecting portion may include a biasing member that biases the holding portion that is not fixed toward the finger.
  • the urging member may include a protruding portion protruding from the housing that pushes the non-fixed holding portion.
  • the biasing member may include an elastic member attached beyond the connecting portion on the opposite side to the finger of the holding portion.
  • At least one of the nail side and the abdomen side of the finger of the hold part has a cross-sectional shape including a side part where the opposite side opposite to the finger turns to the side part of the finger, and the biasing member May be attached to a side portion of the non-fixed holding portion, and may be provided with an elastically expandable member connected to the holding portion of the holding portion facing the non-fixed holding portion.
  • At least one of the nail side and the abdomen side of the finger of the hold part has a cross-sectional shape including a side part where the opposite side to the finger is turned to the side part of the finger, and the biasing member May be provided with an elastic member attached to the side part and arranged to pull the finger side of the unfixed holding part.
  • at least a part of the housing may be formed so as to share at least a part of the hold part.
  • the present invention it is possible to accurately measure the state of the body such as blood oxygen saturation and pulse, and to reduce the sense of discomfort and pain felt by the subject when worn for a long time. Can be provided.
  • FIG. 3 is a cross-sectional view of the probe shown in FIG. 2 cut along line XX. It is sectional drawing of the state with which the other example of the probe concerning this invention was mounted
  • worn with the finger. It is a side view in the state where other examples of the probe concerning the present invention were equipped to fingers. It is a perspective view of an example of the upper side hold part used for the probe concerning the present invention. It is a perspective view in the state where a conventional probe was attached to a finger. FIG. 10 is a cross-sectional view showing a state where the probe shown in FIG. 9 is attached to a finger.
  • FIG. 1 is a perspective view of a probe according to the present invention
  • FIG. 2 is a cross-sectional view of the probe shown in FIG. 1 attached to a finger
  • FIG. 3 is a cross-sectional view of the probe shown in FIG. It is sectional drawing.
  • the probe A shown in FIG. 1 and the like is attached to a finger like the conventional one shown in FIG.
  • the probe A shown in FIG. 1 is connected to the measuring device by a cable Ca.
  • the probe shown in FIG. 1 is a probe for a pulse oximeter that is attached to the finger of a subject and measures blood oxygen saturation (SpO2) and pulse.
  • SpO2 blood oxygen saturation
  • the probe A includes an upper housing 1 disposed on the fingernail side, a lower housing 2 disposed on the finger abdomen, an upper housing 1 and a lower housing 2.
  • a hinge part 3 to be connected and a light shielding part 4 that is attached to the upper housing 1 and covers the side part of the finger when the probe A is attached to the finger.
  • the upper housing 1 is provided with an upper holding part 11 that comes into contact with the fingernail side.
  • the lower housing 2 includes a lower holding portion 21 that comes into contact with the abdomen of the finger.
  • the upper hold unit 11 and the lower hold unit 21 are members that press a finger.
  • the upper hold portion 11 or the lower hold portion 21 is preferably in close contact with the fingers, and one formed of a material that deforms according to the fingers, such as urethane foam resin or gel resin, can be employed. .
  • the upper hold member 11 has a light emitting unit 12 that can emit light of a wavelength necessary for measurement (about 660 nm: red light, about 815 nm: two different wavelengths of infrared light) in the case of a pulse oximeter. Is provided. Although LED is used as the light emission part 12, it is not limited to it, It is possible to employ
  • the lower hold unit 21 includes a light receiving unit 22 that receives light emitted from the light emitting unit 12 and transmitted through the finger and converts the light into an electrical signal.
  • a silicon photodiode (SPD) is adopted as the light receiving unit 22, but the present invention is not limited to this, and light emitted from the light emitting unit 12 and transmitted through the finger can be converted into an electrical signal. Devices that can be used can be widely adopted.
  • the hinge portion 3 includes an upper protruding portion 31 protruding integrally from the upper housing 1, a lower protruding portion 32 protruding integrally from the lower housing 2, and a through hole formed in the upper protruding portion 31. And a connecting shaft 33 that passes through the through hole formed in the lower protrusion 32.
  • the upper housing 1 and the lower housing 2 are connected so as to be rotatable about a connecting shaft 33.
  • the elastic member 5 is fitted on the connecting shaft 33 of the hinge portion 3.
  • the elastic member 5 pushes the upper housing 1 and the lower housing 2 so that the upper housing 1 and the lower housing 2 sandwich the fingers.
  • the elastic member 5 uses an elastic spring formed in a coil shape.
  • the elastic member 5 is not limited to this, and a force in the direction of sandwiching fingers is applied to the upper housing 1 and the lower housing 2. It can be widely adopted.
  • the hinge portion is not limited to the one that rotates about the shaft, and the upper housing and the lower housing can be moved in a movable state, such as a structure in which the upper housing and the lower housing come close to and away from each other by sliding. What can be connected can be widely adopted.
  • the hinge part 3 when the hinge part 3 is mounted on a finger, the one disposed on the tip side of the finger is used.
  • the present invention is not limited thereto, and is formed on the side part of the finger. It may be.
  • the light-shielding portion 4 covers the gap between the upper housing 1 and the lower housing 2 when the probe A is attached to a finger, and is made of rubber having a light-shielding property here. Also, the upper housing 1 and the lower housing 2 are formed so as to overlap each other and block light, or the upper hold unit 11 and the lower hold unit 21 overlap each other to block light. In the case of the light shielding portion, the light shielding portion may be omitted.
  • the upper holding unit 11 includes a first upper holding unit 111 that holds the tip side from the DIP joint (distal interphalangeal joint: so-called first joint) of the fingers, the DIP joint of the fingers, and the PIP. And a second upper holding portion 112 that holds a portion between the joint (proximal interphalangeal joint: so-called second joint).
  • the first upper holding part 111 and the second upper holding part 112 are formed in a shape refracted in the bending direction of the finger at the bending part 110.
  • the light emission part 12 is attached to the 1st upper side holding
  • the lower holding unit 21 includes a first lower holding unit 211 that holds the distal end side of the finger DIP joint, and a second lower holding unit 212 that holds a portion between the finger DIP joint and the PIP joint. And.
  • the first lower holding portion 211 and the second lower holding portion 212 are formed in a shape refracted in the bending direction of the finger at the bending portion 210.
  • the light receiving unit 22 is attached to the first lower holding unit 211.
  • the first upper holding part 111 and the first lower holding part 211 are respectively connected to the second upper holding part 112 and the second lower holding part 212.
  • the upper housing 1 and the lower housing 2 of the probe A are biased in the direction of sandwiching the fingers by the elastic force of the elastic member 5, and the upper and lower hold portions 11 and 21 hold the fingers.
  • the light emitting unit 12 attached to the first upper holding unit 111 and the light receiving unit 22 attached to the first lower holding unit 211 are opposed to each other with fingers interposed therebetween.
  • the cross-sectional shapes of the first upper holding portion 111 and the first lower holding portion 211 are formed in a curved shape that follows the roundness of the fingers.
  • the first upper holding part 111 and the second lower holding part 211 are in close contact with fingers by being formed in a curved shape in this way.
  • the first upper holding part 111 and the second lower holding part 211 can firmly hold the distal end portion of the finger relative to the DIP joint.
  • the first upper holding part 111 and the first lower holding part 211 are both formed in a curved shape, but the present invention is not limited to this. Any one of the first upper holding part 111 and the first lower holding part 211 may be formed in a curved surface shape.
  • the second upper holding part 112 and the second lower holding part 212 are in close contact with each other, the second upper holding part 112 and the second lower holding part 212 are in close contact with each other, The probe A can hold the fingers more firmly.
  • the finger (here, the DIP joint) to which the probe A is attached is maintained in an appropriately bent state. . Thereby, even if the probe A is worn for a long time, the burden on the finger is less than that of a conventional probe that is held in a state where the finger is forcibly stretched, and the sense of discomfort and pain felt by the finger can be reduced. .
  • FIG. 4 is a cross-sectional view of a state in which another example of the probe according to the present invention is mounted on a finger.
  • the probe A2 shown in FIG. 4 includes a third upper holding portion 113 on the upper side of the finger of the second upper holding portion 112 in the upper holding portion 11.
  • the third upper holding portion 113 is in contact with a portion between the PIP joint on the fingernail side and the MP joint (inter-mandibular interphalangeal joint).
  • the second upper holding part 112 and the third upper holding part 113 are formed in a shape bent in the bending direction of the fingers.
  • the lower holding unit 21 includes a third lower holding unit 213 on the finger base side of the second lower holding unit 212.
  • the third lower holding portion 213 comes into contact with a portion between the PIP joint on the ventral side of the finger and the MP joint.
  • the second lower holding part 212 and the third lower holding part 213 are formed in a shape refracted in the bending direction of the finger.
  • the probe A2 shown in FIG. 4 holds the DIP joint and the PIP joint of the fingers with the upper hold portion 11 and the lower hold portion 21, it is possible to suppress the deviation in the length direction of the fingers and the direction intersecting the length direction. It is done. Moreover, since the upper side hold part 11 and the lower side hold part 21 are bent, a finger
  • FIG. 5 is a cross-sectional view of a further example of the probe according to the present invention mounted on a finger.
  • the probe B shown in FIG. 5 has the same configuration as the probe A except that the upper housing 6 and the lower housing 7 are different, and substantially the same parts are denoted by the same reference numerals. Also, description of substantially the same parts as the probe A will be omitted.
  • an upper hold portion 61 is disposed in the upper housing 6, and a lower hold portion 71 is disposed in the lower housing 7.
  • the upper holding part 61 includes a first upper holding part 611 that comes into contact with the tip side of the DIP joint on the fingernail side, and a second upper holding part 612 that comes into contact with a part between the DIP joint and the PIP joint. ing. Further, the urging member 63 is provided in the connecting portion 610 between the first upper holding portion 611 and the second upper holding portion 612. The first upper holding part 611 is supported by the upper housing 6, and the second upper holding part 612 is connected to the first upper holding part 611 via the biasing member 63. The second upper holding portion 612 is supported by the urging member 63 so as to be swingable around the connecting portion 610 with the first upper holding portion 611.
  • the contact portions of the first upper holding portion 611 and the second upper holding portion 612 with the fingers are formed with flexibility so as to be in close contact with the fingers.
  • foamable resins such as foaming urethane, a gel-like resin, etc. can be mentioned.
  • only one of the first upper holding part 611 and the second upper holding part 612 may be formed of a flexible material.
  • the entire first upper holding portion 611 and / or the second upper holding portion 612 may be formed of a flexible material, or only the portion that contacts the fingers may be formed of a flexible material. Good.
  • the urging member 63 is disposed on the opposite side to the side of the upper holding unit 61 that contacts the finger, and does not contact the finger.
  • the biasing member 63 is a member having elasticity, and biases the second upper holding portion 612 in the direction in which the finger is pressed.
  • the lower holding portion 71 is a first lower holding portion 711 that comes into contact with a portion on the tip side of the DIP joint on the ventral side of the finger, and a second lower side that comes into contact with a portion between the DIP joint and the PIP joint.
  • a urging member 73 is provided at the connecting portion 710 between the first lower holding portion 711 and the second lower holding portion 712.
  • the first lower holding portion 711 is supported by the lower housing 7, and the second lower holding portion 712 is connected to the first lower holding portion 711 via a biasing member 73.
  • the second lower holding portion 712 is supported by the urging member 73 so as to be swingable around a connecting portion 710 with the first lower holding portion 711.
  • first lower holding portion 711 and the second lower holding portion 712 with the fingers are in close contact with the fingers, they are formed with flexibility.
  • foamable resins such as foaming urethane, a gel-like resin, etc. can be mentioned.
  • only one of the first lower holding part 711 and the second lower holding part 712 may be formed of a flexible material.
  • the entire first lower holding portion 711 and / or the second lower holding portion 712 may be formed of a flexible material, and only the portion that contacts the fingers is formed of a flexible material. May be.
  • the urging member 73 is disposed on the opposite side to the side of the lower hold portion 71 that contacts the finger, and does not contact the finger.
  • the urging member 73 is a member having elasticity, and urges the second lower holding portion 712 in the direction in which the finger is pressed.
  • the first upper holding part 611 is supported by the upper housing 6, and the first lower holding part 711 is supported by the lower housing 7.
  • the upper housing 6 and the lower housing 7 are urged by the elastic member 5 in a direction in which the fingers are sandwiched, and the distal end portion of the fingers relative to the DIP joint is placed on the first upper holding portion 611 and the first lower holding portion 711. It is pinched.
  • a connecting portion 610 between the first upper holding portion 611 and the second upper holding portion 612 is disposed in the vicinity of the DIP joint on the fingernail side.
  • a connecting portion 710 between the first lower holding portion 711 and the second lower holding portion 712 is also arranged in the vicinity of the DIP joint on the ventral side of the finger.
  • the second upper holding portion 612 is connected to the first upper holding portion 611 via a biasing member 63, and is biased by the biasing member 63, and is a portion between the DIP joint and the PIP joint on the fingernail side. Close contact with.
  • the second lower holding portion 712 is connected to the first lower holding portion 711 via a biasing member 73 and is biased by the biasing member 73 so that the DIP joint and the PIP joint on the abdomen side of the finger. Close contact with the part between.
  • the second upper holding portion 612 and the second lower holding portion 712 can swing around the connecting portions 610 and 710, respectively, and even if the DIP joint of the finger is bent and extended in the probe B, the second The upper holding portion 612 and / or the second lower holding portion 712 swings in accordance with the movement of the finger within a swingable range, and maintains a state of being in close contact with the finger. Thereby, even if a finger moves in the state where probe B was attached, it can control that probe B shifts. In addition, the probe B is less constrained to the finger joints even though it is firmly attached to the fingers. As described above, the probe B is not easily displaced from the finger even when worn for a long time, can perform accurate measurement, and can reduce discomfort and pain felt by the subject.
  • both the upper hold portion and the lower hold portion have a swingable structure.
  • the present invention is not limited to this, and only one of them can be bent and the other is the probe A. It is also possible to use a hold part having the same refracted shape as in FIG.
  • the connecting portions 610 and 710 are provided at positions close to the DIP joint of the finger is described as an example, but the present invention is not limited to this, and in addition to these, the PIP joint and It is good also as what has a connection part in the position which adjoins.
  • the connecting portion may be formed only at one of the proximity portions of the DIP joint or the PIP joint, and the other vicinity may be a bent holding portion as shown by the probe A2.
  • FIG. 6 is a cross-sectional view of a state in which another example of the probe according to the present invention is attached to a finger.
  • the probe C shown in FIG. 6 has the same configuration as the probe B except that the upper housing 6c and the lower housing 7c are different, and substantially the same parts are denoted by the same reference numerals. Note that a detailed description of substantially the same parts as the probe B is omitted.
  • the upper housing 6c of the probe C includes an upper hold portion 61c.
  • the upper holding part 61c has a first upper holding part 611c that comes into contact with a part closer to the tip than the DIP joint on the fingernail side, a second upper holding part 612c that comes into contact with a part between the DIP joint and the PIP joint, A connecting portion 610c that connects the first upper holding portion 611c and the second upper holding portion 612c is provided.
  • the first upper holding portion 611c, the second upper holding portion 612c, and the connecting portion 610c are integrally formed.
  • the connecting portion 610c is formed thinner than the first upper holding portion 611c and the second upper holding portion 612c, and the upper holding portion 61c can be bent at the connecting portion 610c.
  • the connecting portion 610c is shown to be thinner than the other portions, but is not limited to this, and the upper holding portion 61c can be bent in the bending and extending directions of the fingers. As described above, the one that can connect the first upper holding portion 611c and the second upper holding portion 612c can be widely adopted.
  • the first upper holding portion 611c of the upper holding portion 61c is fixed to the upper housing 6c, and the second upper holding portion 612c is swingable via the connecting portion 610c. 1 It is connected to the upper holding part 611c.
  • the portion of the upper housing 6c that contacts when the second upper holding portion 612c swings is provided with a biasing member 63c that biases the second upper holding portion 612c downward.
  • the urging member 63c is a convex portion formed integrally with the upper housing 6c.
  • the lower holding portion 71c includes a first lower holding portion 711c that comes into contact with the tip side of the DIP joint on the ventral side of the finger, and a second lower holding portion that comes into contact with a portion between the DIP joint and the PIP joint. 712c, and a connecting portion 710c that connects the first lower holding portion 711c and the second lower holding portion 712c.
  • the first lower holding portion 711c, the second lower holding portion 712c, and the connecting portion 710c are integrally formed.
  • the connecting portion 710c is formed thinner than the first lower holding portion 711c and the second lower holding portion 712c, and the lower holding portion 71c can be bent at the connecting portion 710c.
  • the connection part 710c compared with another part is shown, it is not limited to it,
  • the lower side holding part 71c can be bent in the bending direction of a finger. As described above, the one that can connect the first lower holding portion 711c and the second lower holding portion 712c can be widely adopted.
  • the lower holding portion 71c has a first lower holding portion 711c fixed to the lower housing 7c, and a second lower holding portion 712c swingable to the first lower holding portion 711c via a connecting portion 710c. It is connected.
  • the portion of the lower housing 7c that contacts when the second lower holding portion 712c swings is provided with a biasing member 73c that biases the second lower holding portion 712c upward.
  • the biasing member 73c is a convex portion formed integrally with the lower housing 7c.
  • the second upper holding portion 611c is pushed by the biasing member 63c. Then, it is brought into close contact with the portion between the DIP joint and the PIP joint on the fingernail side and pressed. Further, the second lower holding portion 712 is pushed by the biasing member 73c, and is brought into close contact with and pressed against a portion between the DIP joint and the PIP joint on the abdomen of the finger.
  • the upper hold portion 61c and the lower hold portion 71c can be bent by the connecting portion 610c and the connecting portion 710c, the second upper holding portion 612c and the second lower holding portion 712c are brought into close contact with the bending of the fingers. be able to.
  • the probe C holds the finger firmly in a state of being bent naturally, it is difficult to be displaced even when the probe C is worn for a long time, and it is possible to reduce a sense of incongruity and pain felt by the subject.
  • body information such as blood oxygen saturation and pulse over a long period of time because it is difficult to shift.
  • the upper hold portion 61c and the lower hold portion 71c have elasticity, they are pushed and elastically deformed by the biasing members 63c and 73c. As a result, the pressure applied to the fingers from the upper hold portion 61c and the lower hold portion 71c can be adjusted, so that the probe C is mounted with the fingers tightened appropriately.
  • the urging members 63c and 73c are convex portions formed integrally with the upper housing 6c and the lower housing 7c, but are not limited thereto, and are raised in a planar shape. Alternatively, the shape may be a ridgeline shape. Further, the urging members 63c and 73c formed separately may not be integrated with the housing. As described above, in the case of separately attaching, it is possible to adjust the force with which the second upper holding portion 612c and / or the second lower holding portion 712c is pressed against the finger. Further, it may be elastically deformed, and the second upper holding part 612c and / or the second lower holding part 712c may be pushed by the elastic force.
  • FIG. 7 is a side view showing a state in which another example of the probe according to the present invention is mounted on a finger.
  • the probe D shown in FIG. 7 is the same as the probe C except that it includes a connection belt 614d connected to the upper hold portion 61c and the lower hold portion 71c and does not include the urging members 63c and 73c.
  • the substantially same parts are denoted by the same reference numerals. Detailed descriptions of substantially the same parts are omitted.
  • illustration of the light-shielding part 4 is abbreviate
  • the probe D includes a connecting belt 614d fixed to a second upper holding portion 612c and a second lower holding portion 712c on the side when attached to the finger.
  • the connecting belt 614d is a belt that elastically expands and contracts. One end of the connecting belt 614d is attached to the side of the second upper holding part 612c, and the other end is attached to the side of the second lower holding part 712c.
  • the connecting belt 614d may be detachably attached to the second upper holding part 612c or the second lower holding part 712c.
  • the attaching / detaching method include an attaching / detaching method using a hook and an attaching / detaching method using a surface fastener.
  • the connecting belt 614d is formed so that at least one end is detachable. After attaching the probe D to the finger, the probe D can be easily attached by attaching / detaching the end of the connecting belt 614d.
  • FIG. 8 is a perspective view of an example of the upper hold portion used in the probe according to the present invention.
  • the upper hold unit 14 includes a first upper holding unit 141 and a second upper holding unit 142.
  • the first upper holding part 141 and the second upper holding part 142 are formed as separate bodies, and the first upper holding part 141 is fixed to the upper housing 1.
  • the first upper holding portion 141 and the second upper holding portion 142 have a cross-sectional shape that is curved along the fingers, like the first upper holding portion 111 and the first lower holding portion 121 shown in FIG. .
  • the first upper holding portion 141 and the second upper holding portion 142 are also bent in the same direction as the finger side on the surface opposite to the finger side. That is, the first upper holding portion 141 and the second upper holding portion 142 are formed in a concave shape (not shown) that holds the fingers on the inner surfaces and covers a part of the side portions of the fingers.
  • the first upper holding portion 141 and the second upper holding portion 142 are connected by a biasing member 143 attached to the opposite side of the finger.
  • the biasing member 143 elastically expands and contracts.
  • the urging member 143 includes a first urging member 1431 disposed on the upper surface side of the upper hold portion 14 and second urging members 1432 disposed on both sides.
  • the first urging member 1431 connects the upper surface side of the first upper holding part 141 and the second upper holding part 142, and the first upper holding part 141 and the second upper holding part 142 are bent in the bending direction of the fingers. Is possible.
  • the 1st upper side holding part 141 is being fixed to the upper housing 1, and the 2nd upper side holding part 142 rock
  • the side portion of the second upper holding portion 142 and the both side portions of the first upper holding portion 141 are connected by the second urging member 1432.
  • the second upper holding portion 142 is connected to the first upper holding portion 141 while being bent toward the finger side.
  • the second upper holding part 142 moves to the opposite side (upper side in the figure) of the finger, it is pulled by the second urging member 1432 fixed to both sides and pulled back in the direction of the finger (lower side in the figure). It is.
  • the second upper holding portion 142 is biased by the biasing member 143 so as to be in close contact with the DIP joint and the PIP joint of the finger.
  • a pair of the upper housing disposed on the fingernail side of the finger and the lower housing disposed on the belly side of the finger is described as a housing, but the present invention is not limited thereto. Stabilize the holding part, such as a cylindrical shape that covers at least a part of the finger, or a U-shaped cross-section that connects the parts placed on the fingernail side and the abdomen side (integrated and separate) Thus, it is possible to widely adopt a housing having a structure that can be held in a fixed manner.
  • the hold unit in which the upper hold unit and the lower hold unit are paired is described.
  • the present invention is not limited thereto, and the fingers are held with the joint bent. It is possible to widely adopt a structure that can be used.
  • the housing upper housing, lower housing
  • the holding part upper holding part, lower holding part
  • the present invention is limited thereto.
  • a structure in which a part (or all) of the housing also serves as a part (or all) of the holding portion can be employed.
  • the probe according to the present invention can be used as a measurement probe of a photoelectric pulse wave measuring device that is attached to a finger and continuously measures a pulse and blood oxygen saturation for a long time.
  • a to D Probe 1 Upper housing 11 Upper hold part 111 First upper holding part 112 Second upper holding part 12 Light emitting part 2 Lower housing 21 Lower hold part 211 First lower holding part 212 Second lower holding part 22 Light receiving unit 3 Hinge unit 4 Light blocking unit 5 Elastic member 6 Upper housing 61 Upper hold unit 610 Connecting unit 611 First upper holding unit 612 Second upper holding unit 7 Lower housing 71 Lower hold unit 710 Connecting unit 711 First lower side Holding part 712 Second lower holding part

Abstract

A probe (A) for measuring living body information, the probe (A) being provided with housings (1, 2) disposed on the nail side and the ball side of a finger, and also with holding sections (11, 21) disposed to the housings (1, 2) and making contact with the finger.  The holding sections (11, 21) have a shape capable of holding the finger with the finger bent at a joint.

Description

生体情報測定用プローブProbe for measuring biological information
　本発明は、血中酸素飽和度、脈拍等の生体情報の測定に用いられるものであり、手指に装着されるプローブに関するものである。 The present invention is used for measurement of biological information such as blood oxygen saturation and pulse, and relates to a probe attached to a finger.
　血中酸素飽和度や脈拍等を測定することで、被検者の身体の状態を客観的に観察することが可能である。この血中酸素飽和度及び脈拍等を測定するものとして、手指に装着されるプローブを備えた光電脈波計やパルスオキシメータ等の光電脈波測定装置がある。例えば、前記パルスオキシメータは被検者の手指に装着された前記プローブから光を照射するとともに、透過又は反射した光を測定し、血中酸素飽和度を求めるものである。 It is possible to objectively observe the state of the subject's body by measuring blood oxygen saturation, pulse rate, and the like. There are photoelectric pulse wave measuring devices such as a photoelectric pulse wave meter and a pulse oximeter equipped with a probe attached to a finger to measure the blood oxygen saturation and pulse. For example, the pulse oximeter irradiates light from the probe attached to the finger of the subject and measures the transmitted or reflected light to determine blood oxygen saturation.
　前記光電脈波測定装置は血中酸素飽和度及び（又は）脈拍を測定するときに、血液を採取する必要がないので被検者の身体への侵襲が非常に少ない。これにより、長時間の継続した利用が容易であり、手術中の患者の状態を監視するのに用いられている。また、最近では、装置が小型化され長時間の装着でも邪魔になりにくく、長時間連続で血中酸素飽和度の測定が可能であることから、睡眠時無呼吸症候群（ＳＡＳ）患者の血中酸素飽和度の測定（およそ８時間以上連続して測定する）や、スポーツのトレーニング等にも用いられている。 Since the photoelectric pulse wave measuring device does not need to collect blood when measuring blood oxygen saturation and / or pulse, there is very little invasion to the body of the subject. This facilitates long-term continuous use and is used to monitor the condition of the patient during surgery. Recently, the device has been miniaturized so that it does not get in the way even when worn for a long time, and blood oxygen saturation can be measured continuously for a long time. It is also used for measurement of oxygen saturation (measured continuously for about 8 hours or more), sports training, and the like.
　従来、用いられている手指に装着するプローブについて説明する。図９は従来のプローブを手指に装着した状態の斜視図であり、図１０は図９に示すプローブが手指に装着された状態の断面図である。図９に示すように、プローブＥは手指の先端に取り付けられるものである。プローブＥはケーブルＣａを介して、測定装置（図示省略）に接続されているものである。なお、図９に示すプローブＥは手指を透過した光を測定するものである。 A conventional probe to be attached to a finger will be described. FIG. 9 is a perspective view of a conventional probe attached to a finger, and FIG. 10 is a cross-sectional view of the probe shown in FIG. 9 attached to a finger. As shown in FIG. 9, the probe E is attached to the tip of a finger. The probe E is connected to a measuring device (not shown) via a cable Ca. Note that the probe E shown in FIG. 9 measures light transmitted through the finger.
　プローブＥは、手指の上側（爪側）に配置される上側ハウジング９１と、手指の下側（腹側）に配置される下側ハウジング９２と、上側ハウジング９１と下側ハウジング９２とを連結するヒンジ部９３とを有している。また、上側ハウジング９１には、プローブＥを手指に装着したとき、手指の側部（爪側及び腹側でない部分）からの外部光を遮光するための遮光部９４を備えている。遮光部９４はプローブＥを手指に装着したときに、上側ハウジング９１と下側ハウジング９２との間隙を完全に覆うものであり、ここでは手指に沿うように形成された遮光性を有するゴムである。プローブＥは手指にしっかり取り付けられている必要があるため、ヒンジ部９３の近傍には上側ハウジング９１と下側ハウジング９２と手指を挟む方向に付勢する弾性部材（弾性ばね）９５が備えられている。 The probe E connects the upper housing 91 disposed on the upper side (nail side) of the finger, the lower housing 92 disposed on the lower side (abdominal side) of the finger, and the upper housing 91 and the lower housing 92. And a hinge portion 93. Further, the upper housing 91 is provided with a light shielding portion 94 for shielding external light from the side portions of the fingers (portions not on the nail side and the abdominal side) when the probe E is attached to the fingers. The light-shielding portion 94 completely covers the gap between the upper housing 91 and the lower housing 92 when the probe E is attached to a finger, and here is a light-shielding rubber formed along the finger. . Since the probe E needs to be firmly attached to the fingers, an elastic member (elastic spring) 95 that biases the upper housing 91, the lower housing 92, and the fingers in the direction sandwiching the fingers is provided in the vicinity of the hinge portion 93. Yes.
　上側ハウジング９１には手指の爪側と接触する上側ホールド部材９１１が備えられている。また、下側ハウジング９２には手指の腹側と接触する下側ホールド部材９２１が備えられている。図１０に示すように上側ホールド部材９１１は手指に対して所定波長の光を照射する発光部であるＬＥＤ光源９１２を備えており、下側ホールド部材９２１は手指に接触して配置されたとき、手指を挟んでＬＥＤ光源９１２と対向する位置に、手指を透過した光を受光するための受光部９２２を備えている。図１０に示すように、プローブＥが装着された手指は、関節が伸びた状態で固定されている（例えば、特開平７－２３６６２５号公報、特開平１１－１８８０１９号公報等参照）。 The upper housing 91 is provided with an upper hold member 911 that contacts the fingernail side. The lower housing 92 is provided with a lower hold member 921 that comes into contact with the belly side of the finger. As shown in FIG. 10, the upper hold member 911 includes an LED light source 912 that is a light emitting unit that emits light of a predetermined wavelength to the finger, and when the lower hold member 921 is disposed in contact with the finger, A light receiving unit 922 for receiving light transmitted through the finger is provided at a position facing the LED light source 912 across the finger. As shown in FIG. 10, the finger to which the probe E is attached is fixed with the joint extended (see, for example, JP-A-7-236625, JP-A-11-188019, etc.).
　プローブＥはＬＥＤ光源９１２より出射された光が手指を透過し、透過した光を受光部９２２で検出する。受光部９２２は検出した光を信号に変換し、信号はケーブルＣａを介して、測定装置に送られる。測定装置は送られてきた信号を分析することで、血中酸素飽和度、脈拍等を検出する。 In the probe E, the light emitted from the LED light source 912 is transmitted through the finger, and the transmitted light is detected by the light receiving unit 922. The light receiving unit 922 converts the detected light into a signal, and the signal is sent to the measurement device via the cable Ca. The measuring device analyzes the transmitted signal to detect blood oxygen saturation, pulse, and the like.
　プローブＥを備えた光電脈波測定装置を用いて、血中酸素飽和度や脈拍等を正確に測定するために、被検者が手を動かしたり、プローブＥが引っ張られたりしても、測定中にＬＥＤ光源９１２、受光部９２２及び手指の位置関係がずれないようにする必要がある。このため、ＬＥＤ光源９１２、受光部９２２及び手指の位置関係がずれないように、プローブＥは被検者の手指を強く挟んで保持している。 Even if the subject moves his hand or the probe E is pulled in order to accurately measure blood oxygen saturation, pulse rate, etc., using a photoelectric pulse wave measuring device equipped with the probe E It is necessary to prevent the positional relationship among the LED light source 912, the light receiving unit 922, and the fingers from being shifted. For this reason, the probe E holds the finger of the examinee strongly so that the positional relationship among the LED light source 912, the light receiving unit 922, and the finger does not shift.
特開平７－２３６６２５号公報Japanese Patent Laid-Open No. 7-236625 特開平１１－１８８０１９号公報Japanese Patent Laid-Open No. 11-188019
　上述のとおり、プローブＥが装着された手指は、関節が伸びた状態で固定される。手指は一般的に脱力状態（拘束されていない状態）において、曲がっているのが自然な状態である。プローブＥを装着することによって生じる関節が伸びた状態は、手指に不自然な力がかかった状態である。このような関節が伸びた不自然な状態でも、短時間であれば苦痛や違和感は小さい。 As described above, the finger equipped with the probe E is fixed with the joint extended. In general, the finger is naturally bent in a weak state (unconstrained state). The state in which the joint generated by mounting the probe E is extended is a state in which an unnatural force is applied to the finger. Even in such an unnatural state where the joint is extended, pain and discomfort are small if the joint is short.
　しかしながら、手術中の被検者の状態の測定、睡眠時無呼吸症候群の観察のための測定等のような長時間にわたってプローブＥを装着する場合、手指が伸びた状態で長時間、強固に拘束されるので、被検者が手指に感じる違和感や苦痛は大きくなる。 However, when the probe E is worn over a long period of time, such as measurement of the condition of a subject during surgery, measurement for observation of sleep apnea syndrome, etc., the finger is stretched firmly for a long time. Therefore, the uncomfortable feeling and pain that the subject feels on the fingers increases.
　そこで本発明は、血中酸素飽和度、脈拍等の身体の状態を正確に測定することができるとともに、長時間に及ぶ装着によって被検者が手指に感じる違和感や苦痛を低減することができるプローブを提供することを目的とする。 Accordingly, the present invention is a probe that can accurately measure the state of the body such as blood oxygen saturation and pulse, and can reduce discomfort and pain felt by the subject's fingers when worn for a long time. The purpose is to provide.
　上記目的を達成するために本発明は、ハウジングと、前記ハウジングに配置され、手指の爪側及び腹側を保持するホールド部とを備え、生体情報を測定するプローブであって、前記ホールド部の手指の爪側又は腹側の少なくとも一方が関節を屈曲させた状態で手指を保持できる形状を有している。 In order to achieve the above object, the present invention is a probe for measuring biological information, comprising a housing and a holding unit that is disposed in the housing and holds the fingernail side and the abdomen side of a finger. At least one of the fingernail side or the abdomen side has a shape that can hold the finger with the joint bent.
　この構成によると、手指は前記プローブが装着されたときに、屈曲した状態に保たれるので、手指を伸ばして挟持する従来のプローブに比べ、手指に感じる違和感、苦痛を低減することが可能である。 According to this configuration, since the finger is kept bent when the probe is attached, it is possible to reduce the sense of incongruity and pain felt by the finger compared to a conventional probe that stretches and holds the finger. is there.
　また、手指が自然な状態（屈曲した状態）に維持されるので、被検者が手指にストレスを感じにくく、測定中のストレスを取り除くために手指を屈伸するのを抑制することができる。これにより、前記プローブに配置された光源部や受光部と手指との位置関係が変化しにくく、安定して、また、精度良く生体情報を測定することが可能である。 Also, since the fingers are maintained in a natural state (bent state), it is difficult for the subject to feel stress on the fingers, and the fingers can be prevented from bending and stretching in order to remove the stress during measurement. Thereby, the positional relationship between the light source unit or the light receiving unit arranged on the probe and the finger is hardly changed, and it is possible to measure biological information stably and accurately.
　上記構成において、前記ホールド部の手指の爪側及び腹側の少なくとも一方は、前記手指の関節と対向する部分で屈曲した一体成形体であってもよい。この構成によると、形状が簡単であるので製造が容易である。また、手指と接触する部分を発泡ウレタンのような発泡樹脂やゲル状の樹脂等のやわらかい樹脂を用いることで、手指で感じる違和感や苦痛を低減することが可能である。 In the above configuration, at least one of the fingernail side and the abdomen side of the hold part may be an integrally molded body bent at a portion facing the joint of the finger. According to this structure, since the shape is simple, manufacture is easy. In addition, by using a soft resin such as a foamed resin such as foamed urethane or a gel-like resin for the portion that comes into contact with the fingers, it is possible to reduce discomfort and pain felt by the fingers.
　上記構成において、前記ホールド部の手指の爪側及び腹側の少なくとも一方は、前記手指の関節と対向する部分に形成された連結部で、屈曲自在に連結されている複数の保持部を備えていてもよい。 In the above-described configuration, at least one of the fingernail side and the abdomen side of the hold part is a connection part formed at a part facing the joint of the finger and includes a plurality of holding parts that are flexibly connected. May be.
　このとき、前記連結部を備えたホールド部は、前記連結部が前記ホールド部の他の部分よりも薄肉となるように形成された一体成形体であってもよく、前記連結部を備えたホールド部は、前記連結部で隣り合う保持部同士が分離可能に形成されていてもよい。 At this time, the holding part provided with the connecting part may be an integrally formed body formed so that the connecting part is thinner than other parts of the holding part, and the holding part provided with the connecting part. The portion may be formed so that the holding portions adjacent to each other at the connecting portion can be separated from each other.
　上記構成において、前記保持部の少なくともひとつは前記ハウジングに固定されており、前記連結部は固定されていない保持部を手指に向けて付勢する付勢部材を備えていてもよい。 In the above configuration, at least one of the holding portions may be fixed to the housing, and the connecting portion may include a biasing member that biases the holding portion that is not fixed toward the finger.
　このとき、前記付勢部材として、前記固定されていない保持部を押す前記ハウジングより突出した突出部を挙げることができる。 At this time, the urging member may include a protruding portion protruding from the housing that pushes the non-fixed holding portion.
　また、前記付勢部材は前記ホールド部の手指と対向するのと反対側に連結部を越えて取り付けられている弾性部材を備えていてもよい。 In addition, the biasing member may include an elastic member attached beyond the connecting portion on the opposite side to the finger of the holding portion.
　さらに、前記ホールド部の手指の爪側及び腹側の少なくとも一方は、前記手指と対向するのと反対側が手指の側部まで回り込む側部を備えた断面形状を有しており、前記付勢部材は前記固定されていない保持部の側部に取り付けられるとともに、前記固定されていない保持部と対向するホールド部の保持部に接続された弾性的に伸縮可能な部材を備えていてもよい。 Further, at least one of the nail side and the abdomen side of the finger of the hold part has a cross-sectional shape including a side part where the opposite side opposite to the finger turns to the side part of the finger, and the biasing member May be attached to a side portion of the non-fixed holding portion, and may be provided with an elastically expandable member connected to the holding portion of the holding portion facing the non-fixed holding portion.
　また、前記ホールド部の手指の爪側及び腹側の少なくとも一方は、前記手指と対向するのと反対側が手指の側部まで回り込む側部を備えた断面形状を有しており、前記付勢部材は前記側部に取り付けられるとともに、前記固定されていない保持部の手指側を引っ張るように配置された弾性部材を備えていてもよい。なお、前記ハウジングの少なくとも一部が前記ホールド部の少なくとも一部を兼用するように形成されていてもよい。 Further, at least one of the nail side and the abdomen side of the finger of the hold part has a cross-sectional shape including a side part where the opposite side to the finger is turned to the side part of the finger, and the biasing member May be provided with an elastic member attached to the side part and arranged to pull the finger side of the unfixed holding part. In addition, at least a part of the housing may be formed so as to share at least a part of the hold part.
　本発明によると、血中酸素飽和度、脈拍等の身体の状態を正確に測定することができるとともに、長時間に及ぶ装着によって被検者が手指に感じる違和感や苦痛を低減することができるプローブを提供することができる。 According to the present invention, it is possible to accurately measure the state of the body such as blood oxygen saturation and pulse, and to reduce the sense of discomfort and pain felt by the subject when worn for a long time. Can be provided.
本発明にかかるプローブの斜視図である。It is a perspective view of the probe concerning the present invention. 図１に示すプローブを手指に取り付けた状態の断面図である。It is sectional drawing of the state which attached the probe shown in FIG. 1 to fingers. 図２に示すプローブをＸ－Ｘ線で切断した断面図である。FIG. 3 is a cross-sectional view of the probe shown in FIG. 2 cut along line XX. 本発明にかかるプローブの他の例を手指に装着した状態の断面図である。It is sectional drawing of the state with which the other example of the probe concerning this invention was mounted | worn with the finger. 本発明にかかるプローブのさらに他の例を手指に装着した状態の断面図である。It is sectional drawing of the state with which the other example of the probe concerning this invention was mounted | worn with the finger. 本発明にかかるプローブの他の例を手指に装着した状態の断面図である。It is sectional drawing of the state with which the other example of the probe concerning this invention was mounted | worn with the finger. 本発明にかかるプローブのさらに他の例を手指に装着した状態の側面図である。It is a side view in the state where other examples of the probe concerning the present invention were equipped to fingers. 本発明にかかるプローブに用いられる上側ホールド部の一例の斜視図である。It is a perspective view of an example of the upper side hold part used for the probe concerning the present invention. 従来のプローブを手指に装着した状態の斜視図である。It is a perspective view in the state where a conventional probe was attached to a finger. 図９に示すプローブが手指に装着された状態の断面図である。FIG. 10 is a cross-sectional view showing a state where the probe shown in FIG. 9 is attached to a finger.
　以下に、本発明の実施の形態について図面を参照して説明する。図１は本発明にかかるプローブの斜視図であり、図２は図１に示すプローブを手指に取り付けた状態の断面図であり、図３は図２に示すプローブをＸ－Ｘ線で切断した断面図である。なお、図１等に示すプローブＡは図９に示す従来のものと同様、手指に装着されるものである。図１に示すプローブＡはケーブルＣａにて測定装置に接続されている。図１に示すプローブは被検者の手指に装着し血中酸素飽和度（ＳｐＯ２）及び脈拍を測定するパルスオキシメータ用のプローブである。 Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view of a probe according to the present invention, FIG. 2 is a cross-sectional view of the probe shown in FIG. 1 attached to a finger, and FIG. 3 is a cross-sectional view of the probe shown in FIG. It is sectional drawing. Incidentally, the probe A shown in FIG. 1 and the like is attached to a finger like the conventional one shown in FIG. The probe A shown in FIG. 1 is connected to the measuring device by a cable Ca. The probe shown in FIG. 1 is a probe for a pulse oximeter that is attached to the finger of a subject and measures blood oxygen saturation (SpO2) and pulse.
　図１、図２に示すように、プローブＡは、手指の爪側に配置される上側ハウジング１と、手指の腹側に配置される下側ハウジング２と、上側ハウジング１及び下側ハウジング２を連結するヒンジ部３と、上側ハウジング１に取り付けられ、プローブＡを手指に装着したとき、手指の側部を覆う遮光部４とを備えている。 As shown in FIGS. 1 and 2, the probe A includes an upper housing 1 disposed on the fingernail side, a lower housing 2 disposed on the finger abdomen, an upper housing 1 and a lower housing 2. A hinge part 3 to be connected and a light shielding part 4 that is attached to the upper housing 1 and covers the side part of the finger when the probe A is attached to the finger.
　上側ハウジング１は手指の爪側と接触する上側ホールド部１１を備えている。また、下側ハウジング２は手指の腹側と接触する下側ホールド部２１を備えている。上側ホールド部１１と下側ホールド部２１とは手指を押圧する部材である。上側ホールド部１１又は下側ホールド部２１は手指に密着するものが好ましく、発泡ウレタン樹脂や、ゲル状の樹脂のように手指にあわせて変形する材料で形成されているものを採用することができる。 The upper housing 1 is provided with an upper holding part 11 that comes into contact with the fingernail side. The lower housing 2 includes a lower holding portion 21 that comes into contact with the abdomen of the finger. The upper hold unit 11 and the lower hold unit 21 are members that press a finger. The upper hold portion 11 or the lower hold portion 21 is preferably in close contact with the fingers, and one formed of a material that deforms according to the fingers, such as urethane foam resin or gel resin, can be employed. .
　上側ホールド部材１１には、手指に対して、測定に必要な波長の光（パルスオキシメータの場合、約６６０ｎｍ：赤色光、約８１５ｎｍ：赤外光の異なる２波長）を出射できる発光部１２が備えられている。発光部１２としては、ＬＥＤが用いられているが、それに限定されるものではなく、所定波長の光を出射することができる光源を広く採用することが可能である。また、下側ホールド部２１には、発光部１２より出射され、手指を透過した光を受光し、電気信号に変換する受光部２２が備えられている。受光部２２として、ここでは、シリコンフォトダイオード（ＳＰＤ）を採用しているが、これに限定されるものではなく、発光部１２より出射され、手指を透過した光を電気信号に変換することができる素子を広く採用することができる。 The upper hold member 11 has a light emitting unit 12 that can emit light of a wavelength necessary for measurement (about 660 nm: red light, about 815 nm: two different wavelengths of infrared light) in the case of a pulse oximeter. Is provided. Although LED is used as the light emission part 12, it is not limited to it, It is possible to employ | adopt widely the light source which can radiate | emit the light of a predetermined wavelength. The lower hold unit 21 includes a light receiving unit 22 that receives light emitted from the light emitting unit 12 and transmitted through the finger and converts the light into an electrical signal. Here, a silicon photodiode (SPD) is adopted as the light receiving unit 22, but the present invention is not limited to this, and light emitted from the light emitting unit 12 and transmitted through the finger can be converted into an electrical signal. Devices that can be used can be widely adopted.
　ヒンジ部３は、上側ハウジング１より一体的に突出された上側突出部３１と、下側ハウジング２より一体的に突出された下側突出部３２と、上側突出部３１に形成された貫通孔と、下側突出部３２に形成された貫通孔とを貫通する連結軸３３とを備えている。上側ハウジング１及び下側ハウジング２は連結軸３３を中心に回動可能に連結されている。 The hinge portion 3 includes an upper protruding portion 31 protruding integrally from the upper housing 1, a lower protruding portion 32 protruding integrally from the lower housing 2, and a through hole formed in the upper protruding portion 31. And a connecting shaft 33 that passes through the through hole formed in the lower protrusion 32. The upper housing 1 and the lower housing 2 are connected so as to be rotatable about a connecting shaft 33.
　ヒンジ部３の連結軸３３には、弾性部材５が外嵌されている。弾性部材５は上側ハウジング１及び下側ハウジング２が手指を挟むように上側ハウジング１及び下側ハウジング２を押している。弾性部材５は、ここでは、コイル状に形成された弾性ばねを用いているが、それに限定されるものではなく、上側ハウジング１と下側ハウジング２とに対し、手指を挟む方向の力を付勢するものを広く採用することができる。 The elastic member 5 is fitted on the connecting shaft 33 of the hinge portion 3. The elastic member 5 pushes the upper housing 1 and the lower housing 2 so that the upper housing 1 and the lower housing 2 sandwich the fingers. Here, the elastic member 5 uses an elastic spring formed in a coil shape. However, the elastic member 5 is not limited to this, and a force in the direction of sandwiching fingers is applied to the upper housing 1 and the lower housing 2. It can be widely adopted.
　なお、ヒンジ部は軸回転するものに限定されるものではなく、摺動することで、上側ハウジング及び下側ハウジングが接近離反する構造のもの等、上側ハウジングと下側ハウジングとを可動な状態で連結できるもの広く採用することが可能である。さらに、本実施形態では、ヒンジ部３が手指に装着するときに、手指の先端側に配置されるものが用いられているが、それに限定されるものではなく、手指の側部に形成されているものであってもよい。 Note that the hinge portion is not limited to the one that rotates about the shaft, and the upper housing and the lower housing can be moved in a movable state, such as a structure in which the upper housing and the lower housing come close to and away from each other by sliding. What can be connected can be widely adopted. Furthermore, in this embodiment, when the hinge part 3 is mounted on a finger, the one disposed on the tip side of the finger is used. However, the present invention is not limited thereto, and is formed on the side part of the finger. It may be.
　遮光部４はプローブＡが手指に装着されたときに、上側ハウジング１と下側ハウジング２との間隙を覆うものであり、ここでは、遮光性を有するゴムで形成されている。また、上側ハウジング１と下側ハウジング２が側部で重なり合って光を遮るように形成されているものや、上側ホールド部１１と下側ホールド部２１が側部で重なり合って光を遮るように形成されているものの場合、遮光部を省略してもよい。 The light-shielding portion 4 covers the gap between the upper housing 1 and the lower housing 2 when the probe A is attached to a finger, and is made of rubber having a light-shielding property here. Also, the upper housing 1 and the lower housing 2 are formed so as to overlap each other and block light, or the upper hold unit 11 and the lower hold unit 21 overlap each other to block light. In the case of the light shielding portion, the light shielding portion may be omitted.
　本発明の要部である上側ホールド部及び下側ホールド部について説明する。図２に示すように、上側ホールド部１１は手指のＤＩＰ関節（遠位指節間関節：いわゆる第１関節）よりも先端側を保持する第１上側保持部１１１と、手指のＤＩＰ関節とＰＩＰ関節（近位指節間関節：いわゆる第２関節）との間の部分を保持する第２上側保持部１１２とを備えている。第１上側保持部１１１と第２上側保持部１１２とは屈曲部１１０で手指の屈曲方向に屈折した形状に形成されている。なお、発光部１２は第１上側保持部１１１に取り付けられており、発光部１２より出射された光は、手指の爪の部分に照射される。 The upper and lower hold units, which are the main parts of the present invention, will be described. As shown in FIG. 2, the upper holding unit 11 includes a first upper holding unit 111 that holds the tip side from the DIP joint (distal interphalangeal joint: so-called first joint) of the fingers, the DIP joint of the fingers, and the PIP. And a second upper holding portion 112 that holds a portion between the joint (proximal interphalangeal joint: so-called second joint). The first upper holding part 111 and the second upper holding part 112 are formed in a shape refracted in the bending direction of the finger at the bending part 110. In addition, the light emission part 12 is attached to the 1st upper side holding | maintenance part 111, and the light radiate | emitted from the light emission part 12 is irradiated to the part of a fingernail.
　また、下側ホールド部２１は手指のＤＩＰ関節よりも先端側を保持する第１下側保持部２１１と、手指のＤＩＰ関節とＰＩＰ関節との間の部分を保持する第２下側保持部２１２とを備えている。第１下側保持部２１１と第２下側保持部２１２とは屈曲部２１０で手指の屈曲方向に屈折した形状に形成されている。なお、受光部２２は第１下側保持部２１１に取り付けられている。 The lower holding unit 21 includes a first lower holding unit 211 that holds the distal end side of the finger DIP joint, and a second lower holding unit 212 that holds a portion between the finger DIP joint and the PIP joint. And. The first lower holding portion 211 and the second lower holding portion 212 are formed in a shape refracted in the bending direction of the finger at the bending portion 210. The light receiving unit 22 is attached to the first lower holding unit 211.
　図２に示すように、プローブＡが手指に取り付けられたときに、第１上側保持部１１１と第１下側保持部２１１が、第２上側保持部１１２と第２下側保持部２１２がそれぞれ、手指を挟んで対向する。この状態で、プローブＡの上側ハウジング１と下側ハウジング２とが弾性部材５の弾性力で手指を挟む方向に付勢され、上側ホールド部１１と下側ホールド部２１とで手指を保持する。そして、第１上側保持部１１１に取り付けられた発光部１２と第１下側保持部２１１に取り付けられた受光部２２とは、手指を挟んで対向している。 As shown in FIG. 2, when the probe A is attached to a finger, the first upper holding part 111 and the first lower holding part 211 are respectively connected to the second upper holding part 112 and the second lower holding part 212. , Oppose across your fingers. In this state, the upper housing 1 and the lower housing 2 of the probe A are biased in the direction of sandwiching the fingers by the elastic force of the elastic member 5, and the upper and lower hold portions 11 and 21 hold the fingers. The light emitting unit 12 attached to the first upper holding unit 111 and the light receiving unit 22 attached to the first lower holding unit 211 are opposed to each other with fingers interposed therebetween.
　図３に示すように、第１上側保持部１１１及び第１下側保持部２１１の断面形状は手指の丸みに沿う曲面形状で形成されている。このように曲面形状で形成されていることで、第１上側保持部１１１及び第２下側保持部２１１が手指に密着する。これにより、第１上側保持部１１１と第２下側保持部２１１とで手指のＤＩＰ関節よりも先端側の部分をしっかりと保持することができる。なお、図３に示すプローブＡでは第１上側保持部１１１及び第１下側保持部２１１の両方が曲面形状で形成されているものが記載されているが、それに限定されるものではなく、第１上側保持部１１１、第１下側保持部２１１のいずれか一方が曲面形状で形成されているものであってもよい。 As shown in FIG. 3, the cross-sectional shapes of the first upper holding portion 111 and the first lower holding portion 211 are formed in a curved shape that follows the roundness of the fingers. The first upper holding part 111 and the second lower holding part 211 are in close contact with fingers by being formed in a curved shape in this way. As a result, the first upper holding part 111 and the second lower holding part 211 can firmly hold the distal end portion of the finger relative to the DIP joint. In the probe A shown in FIG. 3, the first upper holding part 111 and the first lower holding part 211 are both formed in a curved shape, but the present invention is not limited to this. Any one of the first upper holding part 111 and the first lower holding part 211 may be formed in a curved surface shape.
　また、第２上側保持部１１２及び第２下側保持部２１２の少なくとも一方が曲面形状で形成されていても同様に、第２上側保持部１１２及び第２下側保持部２１２が密着するので、プローブＡは手指をさらにしっかりと保持することができる。 Similarly, even if at least one of the second upper holding part 112 and the second lower holding part 212 is formed in a curved shape, the second upper holding part 112 and the second lower holding part 212 are in close contact with each other, The probe A can hold the fingers more firmly.
　上側ホールド部１１と下側ホールド部２１とが手指の屈曲方向に屈折して形成されているので、プローブＡが装着された手指（ここでは、ＤＩＰ関節）は適度に屈曲した状態に維持される。これにより、プローブＡを長時間装着したとしても、手指が無理に伸ばされた状態で保持される従来のプローブに比べて手指にかかる負担が少なく、手指に感じる違和感や苦痛を低減することができる。 Since the upper hold part 11 and the lower hold part 21 are formed by being refracted in the bending direction of the finger, the finger (here, the DIP joint) to which the probe A is attached is maintained in an appropriately bent state. . Thereby, even if the probe A is worn for a long time, the burden on the finger is less than that of a conventional probe that is held in a state where the finger is forcibly stretched, and the sense of discomfort and pain felt by the finger can be reduced. .
　本発明にかかるプローブの他の例を図面を参照して説明する。図４は本発明にかかるプローブの他の例を手指に装着した状態の断面図である。図４に示すプローブＡ２は上側ホールド部１１に第２上側保持部１１２の手指の根元側に第３上側保持部１１３を備えている。第３上側保持部１１３は手指の爪側のＰＩＰ関節とＭＰ関節（中手指節間関節）との間の部分と当接する。第２上側保持部１１２と第３上側保持部１１３とは、手指の屈曲方向に屈曲した形状に形成されている。 Another example of the probe according to the present invention will be described with reference to the drawings. FIG. 4 is a cross-sectional view of a state in which another example of the probe according to the present invention is mounted on a finger. The probe A2 shown in FIG. 4 includes a third upper holding portion 113 on the upper side of the finger of the second upper holding portion 112 in the upper holding portion 11. The third upper holding portion 113 is in contact with a portion between the PIP joint on the fingernail side and the MP joint (inter-mandibular interphalangeal joint). The second upper holding part 112 and the third upper holding part 113 are formed in a shape bent in the bending direction of the fingers.
　また、図４に示すように、下側ホールド部２１は第２下側保持部２１２の手指の根元側に第３下側保持部２１３を備えている。第３下側保持部２１３は手指の腹側のＰＩＰ関節とＭＰ関節との間の部分と当接する。第２下側保持部２１２と第３下側保持部２１３とは、手指の屈曲方向に屈折した形状に形成されている。 Further, as shown in FIG. 4, the lower holding unit 21 includes a third lower holding unit 213 on the finger base side of the second lower holding unit 212. The third lower holding portion 213 comes into contact with a portion between the PIP joint on the ventral side of the finger and the MP joint. The second lower holding part 212 and the third lower holding part 213 are formed in a shape refracted in the bending direction of the finger.
　図４に示すプローブＡ２は上側ホールド部１１と下側ホールド部２１とで、手指のＤＩＰ関節、ＰＩＰ関節を保持するので、手指の長さ方向、長さ方向と交差する方向にずれるのが抑えられる。また、上側ホールド部１１と下側ホールド部２１とが屈曲しているので手指が適度に曲がり無理な力がかかりにくい。これにより、プローブＡ２を長時間装着していても、手指に感じる違和感、苦痛を低減することが可能である。 Since the probe A2 shown in FIG. 4 holds the DIP joint and the PIP joint of the fingers with the upper hold portion 11 and the lower hold portion 21, it is possible to suppress the deviation in the length direction of the fingers and the direction intersecting the length direction. It is done. Moreover, since the upper side hold part 11 and the lower side hold part 21 are bent, a finger | toe is bent appropriately and it is hard to apply an excessive force. Thereby, even if the probe A2 is worn for a long time, it is possible to reduce the sense of incongruity and pain felt by the fingers.
　本発明にかかるプローブの他の例について図面を参照して説明する。図５は本発明にかかるプローブのさらに他の例を手指に装着した状態の断面図である。図５に示すプローブＢは上側ハウジング６及び下側ハウジング７が異なる以外はプローブＡと同じ構成を有しており、実質上同じ部分には同じ符号が付してある。また、プローブＡと実質上同じ部分の説明は省略する。図５に示すように、プローブＢは上側ハウジング６に上側ホールド部６１が、下側ハウジング７に下側ホールド部７１がそれぞれ配置されている。 Other examples of the probe according to the present invention will be described with reference to the drawings. FIG. 5 is a cross-sectional view of a further example of the probe according to the present invention mounted on a finger. The probe B shown in FIG. 5 has the same configuration as the probe A except that the upper housing 6 and the lower housing 7 are different, and substantially the same parts are denoted by the same reference numerals. Also, description of substantially the same parts as the probe A will be omitted. As shown in FIG. 5, in the probe B, an upper hold portion 61 is disposed in the upper housing 6, and a lower hold portion 71 is disposed in the lower housing 7.
　上側ホールド部６１は手指の爪側のＤＩＰ関節より先端側の部分と接触する第１上側保持部６１１と、ＤＩＰ関節とＰＩＰ関節との間の部分と接触する第２上側保持部６１２とを備えている。また、第１上側保持部６１１と、第２上側保持部６１２との連結部６１０には付勢部材６３が備えられている。第１上側保持部６１１は上側ハウジング６に支持され、第２上側保持部６１２は第１上側保持部６１１に付勢部材６３を介して連結されている。第２上側保持部６１２は第１上側保持部６１１との連結部６１０を中心に揺動可能な状態で付勢部材６３に支持されている。 The upper holding part 61 includes a first upper holding part 611 that comes into contact with the tip side of the DIP joint on the fingernail side, and a second upper holding part 612 that comes into contact with a part between the DIP joint and the PIP joint. ing. Further, the urging member 63 is provided in the connecting portion 610 between the first upper holding portion 611 and the second upper holding portion 612. The first upper holding part 611 is supported by the upper housing 6, and the second upper holding part 612 is connected to the first upper holding part 611 via the biasing member 63. The second upper holding portion 612 is supported by the urging member 63 so as to be swingable around the connecting portion 610 with the first upper holding portion 611.
　第１上側保持部６１１及び第２上側保持部６１２の手指との接触部は手指に密着するため、柔軟性を有するもので形成されている。柔軟性を有するものとしては、発泡ウレタン等の発泡性樹脂やゲル状の樹脂等を挙げることができる。また、第１上側保持部６１１又は第２上側保持部６１２のいずれか一方のみが柔軟性を有する材料で形成されていてもよい。さらに、第１上側保持部６１１及び（又は）第２上側保持部６１２全体が柔軟性を有する材料で形成されていてもよく、手指と接触する部分のみ柔軟性を有する材料で形成されていてもよい。 The contact portions of the first upper holding portion 611 and the second upper holding portion 612 with the fingers are formed with flexibility so as to be in close contact with the fingers. As what has a softness | flexibility, foamable resins, such as foaming urethane, a gel-like resin, etc. can be mentioned. Further, only one of the first upper holding part 611 and the second upper holding part 612 may be formed of a flexible material. Further, the entire first upper holding portion 611 and / or the second upper holding portion 612 may be formed of a flexible material, or only the portion that contacts the fingers may be formed of a flexible material. Good.
　付勢部材６３は、上側ホールド部６１の手指と接触する側と反対側に配置され、手指とは接触しない。また、付勢部材６３は弾性を有する部材であり、第２上側保持部６１２を、手指を押す方向に付勢している。 The urging member 63 is disposed on the opposite side to the side of the upper holding unit 61 that contacts the finger, and does not contact the finger. The biasing member 63 is a member having elasticity, and biases the second upper holding portion 612 in the direction in which the finger is pressed.
　また、下側ホールド部７１は、手指の腹側のＤＩＰ関節より先端側の部分と接触する第１下側保持部７１１と、ＤＩＰ関節とＰＩＰ関節との間の部分と接触する第２下側保持部７１２とを備えている。また、第１下側保持部７１１と第２下側保持部７１２との連結部７１０には付勢部材７３が備えられている。第１下側保持部７１１が下側ハウジング７に支持され、第２下側保持部７１２は第１下側保持部７１１に付勢部材７３を介して連結されている。第２下側保持部７１２は第１下側保持部７１１との連結部７１０を中心に揺動可能な状態で付勢部材７３に支持されている。 In addition, the lower holding portion 71 is a first lower holding portion 711 that comes into contact with a portion on the tip side of the DIP joint on the ventral side of the finger, and a second lower side that comes into contact with a portion between the DIP joint and the PIP joint. Holding part 712. In addition, a urging member 73 is provided at the connecting portion 710 between the first lower holding portion 711 and the second lower holding portion 712. The first lower holding portion 711 is supported by the lower housing 7, and the second lower holding portion 712 is connected to the first lower holding portion 711 via a biasing member 73. The second lower holding portion 712 is supported by the urging member 73 so as to be swingable around a connecting portion 710 with the first lower holding portion 711.
　第１下側保持部７１１及び第２下側保持部７１２の手指との接触部は手指に密着するため、柔軟性を有するもので形成されている。柔軟性を有するものとしては、発泡ウレタン等の発泡性樹脂やゲル状の樹脂等を挙げることができる。また、第１下側保持部７１１又は第２下側保持部７１２のいずれか一方のみが柔軟性を有する材料で形成されていてもよい。さらに、第１下側保持部７１１及び（又は）第２下側保持部７１２全体が柔軟性を有する材料で形成されていてもよく、手指と接触する部分のみ柔軟性を有する材料で形成されていてもよい。 Since the contact portions of the first lower holding portion 711 and the second lower holding portion 712 with the fingers are in close contact with the fingers, they are formed with flexibility. As what has a softness | flexibility, foamable resins, such as foaming urethane, a gel-like resin, etc. can be mentioned. Further, only one of the first lower holding part 711 and the second lower holding part 712 may be formed of a flexible material. Further, the entire first lower holding portion 711 and / or the second lower holding portion 712 may be formed of a flexible material, and only the portion that contacts the fingers is formed of a flexible material. May be.
　付勢部材７３は、下側ホールド部７１の手指と接触する側と反対側に配置され、手指とは接触しない。付勢部材７３は弾性を有する部材であり、第２下側保持部７１２を、手指を押す方向に付勢している。 The urging member 73 is disposed on the opposite side to the side of the lower hold portion 71 that contacts the finger, and does not contact the finger. The urging member 73 is a member having elasticity, and urges the second lower holding portion 712 in the direction in which the finger is pressed.
　第１上側保持部６１１は上側ハウジング６に支持されており、第１下側保持部７１１は下側ハウジング７に支持されている。弾性部材５によって上側ハウジング６及び下側ハウジング７が手指を挟む方向に付勢されており、手指のＤＩＰ関節よりも先端側の部分は第１上側保持部６１１及び第１下側保持部７１１に挟持される。第１上側保持部６１１と第２上側保持部６１２との連結部６１０は手指の爪側のＤＩＰ関節の近傍に配置される。第１下側保持部７１１と第２下側保持部７１２との連結部７１０も手指の腹側のＤＩＰ関節の近傍に配置される。 The first upper holding part 611 is supported by the upper housing 6, and the first lower holding part 711 is supported by the lower housing 7. The upper housing 6 and the lower housing 7 are urged by the elastic member 5 in a direction in which the fingers are sandwiched, and the distal end portion of the fingers relative to the DIP joint is placed on the first upper holding portion 611 and the first lower holding portion 711. It is pinched. A connecting portion 610 between the first upper holding portion 611 and the second upper holding portion 612 is disposed in the vicinity of the DIP joint on the fingernail side. A connecting portion 710 between the first lower holding portion 711 and the second lower holding portion 712 is also arranged in the vicinity of the DIP joint on the ventral side of the finger.
　第２上側保持部６１２は第１上側保持部６１１に付勢部材６３を介して連結されており、付勢部材６３から付勢され、手指の爪側のＤＩＰ関節とＰＩＰ関節との間の部分と密着する。また、第２下側保持部７１２は第１下側保持部７１１に付勢部材７３を介して連結されており、付勢部材７３から付勢されて、手指の腹側のＤＩＰ関節とＰＩＰ関節との間の部分と密着する。 The second upper holding portion 612 is connected to the first upper holding portion 611 via a biasing member 63, and is biased by the biasing member 63, and is a portion between the DIP joint and the PIP joint on the fingernail side. Close contact with. The second lower holding portion 712 is connected to the first lower holding portion 711 via a biasing member 73 and is biased by the biasing member 73 so that the DIP joint and the PIP joint on the abdomen side of the finger. Close contact with the part between.
　上述のとおり第２上側保持部６１２及び第２下側保持部７１２はそれぞれ、連結部６１０、７１０を中心に揺動可能であり、手指のＤＩＰ関節がプローブＢ内で屈伸されても、第２上側保持部６１２及び（又は）第２下側保持部７１２は揺動可能な範囲で手指の動きにあわせて揺動し、手指に密着した状態を維持する。これにより、プローブＢが装着された状態で手指が動いても、プローブＢがずれるのを抑制することができる。また、プローブＢは手指にしっかり装着されるにもかかわらず手指の関節に対する拘束が少ない。以上のことより、プローブＢは長時間装着しても手指からずれにくく、正確な測定を行うことができるとともに、被検者が手指に感じる違和感や苦痛を低減することができる。 As described above, the second upper holding portion 612 and the second lower holding portion 712 can swing around the connecting portions 610 and 710, respectively, and even if the DIP joint of the finger is bent and extended in the probe B, the second The upper holding portion 612 and / or the second lower holding portion 712 swings in accordance with the movement of the finger within a swingable range, and maintains a state of being in close contact with the finger. Thereby, even if a finger moves in the state where probe B was attached, it can control that probe B shifts. In addition, the probe B is less constrained to the finger joints even though it is firmly attached to the fingers. As described above, the probe B is not easily displaced from the finger even when worn for a long time, can perform accurate measurement, and can reduce discomfort and pain felt by the subject.
　なお、上述の実施形態では上側ホールド部及び下側ホールド部の両方が揺動可能な構造を有しているが、それに限定されるものではなく、どちらか一方だけが屈曲可能で他方はプローブＡと同様の屈折した形状のホールド部を用いるものとしてもよい。上述の実施例では、手指のＤＩＰ関節と近接する位置に連結部６１０、７１０を備えているものを例に説明しているが、これに限定されるものではなく、これらに加えてＰＩＰ関節と近接する位置に連結部を有するものとしてもよい。また、ＤＩＰ関節又はＰＩＰ関節のいずれか一方の近接部にのみ連結部を形成し、他方の近傍はプローブＡ２に示すような屈曲したホールド部としてもよい。 In the above-described embodiment, both the upper hold portion and the lower hold portion have a swingable structure. However, the present invention is not limited to this, and only one of them can be bent and the other is the probe A. It is also possible to use a hold part having the same refracted shape as in FIG. In the above-described embodiment, an example in which the connecting portions 610 and 710 are provided at positions close to the DIP joint of the finger is described as an example, but the present invention is not limited to this, and in addition to these, the PIP joint and It is good also as what has a connection part in the position which adjoins. Alternatively, the connecting portion may be formed only at one of the proximity portions of the DIP joint or the PIP joint, and the other vicinity may be a bent holding portion as shown by the probe A2.
　本発明にかかるプローブの他の例を図面を参照して説明する。図６は本発明にかかるプローブの他の例を手指に装着した状態の断面図である。図６に示すプローブＣは、上側ハウジング６ｃ及び下側ハウジング７ｃとが異なる以外は、プローブＢと同じ構成を有するものであり、実質上同じ部分には同じ符号が付してある。なお、実質上、プローブＢと同じ部分の詳細な説明は省略する。 Another example of the probe according to the present invention will be described with reference to the drawings. FIG. 6 is a cross-sectional view of a state in which another example of the probe according to the present invention is attached to a finger. The probe C shown in FIG. 6 has the same configuration as the probe B except that the upper housing 6c and the lower housing 7c are different, and substantially the same parts are denoted by the same reference numerals. Note that a detailed description of substantially the same parts as the probe B is omitted.
　図６に示すようにプローブＣの上側ハウジング６ｃは、上側ホールド部６１ｃを備えている。上側ホールド部６１ｃは手指の爪側のＤＩＰ関節よりも先端側の部分と当接する第１上側保持部６１１ｃと、ＤＩＰ関節とＰＩＰ関節との間の部分と当接する第２上側保持部６１２ｃと、第１上側保持部６１１ｃと第２上側保持部６１２ｃとを連結する連結部６１０ｃとを備えている。第１上側保持部６１１ｃ、第２上側保持部６１２ｃ及び連結部６１０ｃは一体的に形成されている。 As shown in FIG. 6, the upper housing 6c of the probe C includes an upper hold portion 61c. The upper holding part 61c has a first upper holding part 611c that comes into contact with a part closer to the tip than the DIP joint on the fingernail side, a second upper holding part 612c that comes into contact with a part between the DIP joint and the PIP joint, A connecting portion 610c that connects the first upper holding portion 611c and the second upper holding portion 612c is provided. The first upper holding portion 611c, the second upper holding portion 612c, and the connecting portion 610c are integrally formed.
　連結部６１０ｃは第１上側保持部６１１ｃ及び第２上側保持部６１２ｃよりも薄肉に形成されており、上側ホールド部６１ｃは連結部６１０ｃで屈曲可能となっている。なお、連結部６１０ｃとして、他の部分に比べて薄肉に形成されているものを示しているが、これに限定されるものではなく、上側ホールド部６１ｃを手指の屈伸方向に屈曲させることができるように第１上側保持部６１１ｃと第２上側保持部６１２ｃとを連結することができるものを広く採用することができる。 The connecting portion 610c is formed thinner than the first upper holding portion 611c and the second upper holding portion 612c, and the upper holding portion 61c can be bent at the connecting portion 610c. The connecting portion 610c is shown to be thinner than the other portions, but is not limited to this, and the upper holding portion 61c can be bent in the bending and extending directions of the fingers. As described above, the one that can connect the first upper holding portion 611c and the second upper holding portion 612c can be widely adopted.
　図６に示すように、プローブＣにおいて、上側ホールド部６１ｃは第１上側保持部６１１ｃが上側ハウジング６ｃに固定されており、第２上側保持部６１２ｃが連結部６１０ｃを介して揺動可能に第１上側保持部６１１ｃに連結されている。そして、上側ハウジング６ｃの第２上側保持部６１２ｃが揺動したときに接触する部分には、第２上側保持部６１２ｃを下方に付勢する付勢部材６３ｃを備えている。付勢部材６３ｃは上側ハウジング６ｃに一体的に形成された凸部である。 As shown in FIG. 6, in the probe C, the first upper holding portion 611c of the upper holding portion 61c is fixed to the upper housing 6c, and the second upper holding portion 612c is swingable via the connecting portion 610c. 1 It is connected to the upper holding part 611c. The portion of the upper housing 6c that contacts when the second upper holding portion 612c swings is provided with a biasing member 63c that biases the second upper holding portion 612c downward. The urging member 63c is a convex portion formed integrally with the upper housing 6c.
　下側ホールド部７１ｃは手指の腹側のＤＩＰ関節よりも先端側の部分と当接する第１下側保持部７１１ｃと、ＤＩＰ関節とＰＩＰ関節との間の部分と当接する第２下側保持部７１２ｃと、第１下側保持部７１１ｃと第２下側保持部７１２ｃとを連結する連結部７１０ｃとを備えている。第１下側保持部７１１ｃ、第２下側保持部７１２ｃ及び連結部７１０ｃは一体的に形成されている。 The lower holding portion 71c includes a first lower holding portion 711c that comes into contact with the tip side of the DIP joint on the ventral side of the finger, and a second lower holding portion that comes into contact with a portion between the DIP joint and the PIP joint. 712c, and a connecting portion 710c that connects the first lower holding portion 711c and the second lower holding portion 712c. The first lower holding portion 711c, the second lower holding portion 712c, and the connecting portion 710c are integrally formed.
　連結部７１０ｃは第１下側保持部７１１ｃ及び第２下側保持部７１２ｃよりも薄肉に形成されており、下側ホールド部７１ｃは連結部７１０ｃで屈曲可能となっている。なお、連結部７１０ｃとして、他の部分に比べて薄肉に形成されているものを示しているが、それに限定されるものではなく、下側ホールド部７１ｃを手指の屈伸方向に屈曲させることができるように第１下側保持部７１１ｃと第２下側保持部７１２ｃとを連結することができるものを広く採用することができる。 The connecting portion 710c is formed thinner than the first lower holding portion 711c and the second lower holding portion 712c, and the lower holding portion 71c can be bent at the connecting portion 710c. In addition, although what is formed thinly as the connection part 710c compared with another part is shown, it is not limited to it, The lower side holding part 71c can be bent in the bending direction of a finger. As described above, the one that can connect the first lower holding portion 711c and the second lower holding portion 712c can be widely adopted.
　下側ホールド部７１ｃは第１下側保持部７１１ｃが下側ハウジング７ｃに固定されており、第２下側保持部７１２ｃが連結部７１０ｃを介して揺動可能に第１下側保持部７１１ｃに連結されている。そして、下側ハウジング７ｃの第２下側保持部７１２ｃが揺動したときに接触する部分には、第２下側保持部７１２ｃを上方に付勢する付勢部材７３ｃを備えている。付勢部材７３ｃは下側ハウジング７ｃに一体的に形成された凸部である。 The lower holding portion 71c has a first lower holding portion 711c fixed to the lower housing 7c, and a second lower holding portion 712c swingable to the first lower holding portion 711c via a connecting portion 710c. It is connected. The portion of the lower housing 7c that contacts when the second lower holding portion 712c swings is provided with a biasing member 73c that biases the second lower holding portion 712c upward. The biasing member 73c is a convex portion formed integrally with the lower housing 7c.
　プローブＣは第１上側保持部６１１ｃと第１下側保持部７１１ｃとが手指のＤＩＰ関節よりも先端側の部分を保持しているとき、第２上側保持部６１１ｃは付勢部材６３ｃに押され、手指の爪側のＤＩＰ関節とＰＩＰ関節との間の部分に密着し、押圧する。また、第２下側保持部７１２は付勢部材７３ｃに押され、手指の腹側のＤＩＰ関節とＰＩＰ関節の間の部分に密着し、押圧する。 In the probe C, when the first upper holding portion 611c and the first lower holding portion 711c hold the portion on the tip side from the DIP joint of the finger, the second upper holding portion 611c is pushed by the biasing member 63c. Then, it is brought into close contact with the portion between the DIP joint and the PIP joint on the fingernail side and pressed. Further, the second lower holding portion 712 is pushed by the biasing member 73c, and is brought into close contact with and pressed against a portion between the DIP joint and the PIP joint on the abdomen of the finger.
　上側ホールド部６１ｃ及び下側ホールド部７１ｃは連結部６１０ｃ及び連結部７１０ｃで屈曲することができるので、第２上側保持部６１２ｃ及び第２下側保持部７１２ｃを手指の屈曲にあわせて、密着させることができる。これにより、プローブＣは自然に屈曲した状態で、手指をしっかりと保持するので、長時間の装着でもずれにくく、被検者が手指に感じる違和感や苦痛を低減することができる。また、ずれにくいことより長時間にわたって、精度良く血中酸素飽和度や脈拍といった身体の情報を測定することが可能である。また、上側ホールド部６１ｃ及び下側ホールド部７１ｃが弾性を有する場合、付勢部材６３ｃ、７３ｃで押されて弾性変形する。これにより、上側ホールド部６１ｃ及び下側ホールド部７１ｃから手指にかかる圧力を調整することができるので、プローブＣは適度に手指を締め付けた状態で装着される。 Since the upper hold portion 61c and the lower hold portion 71c can be bent by the connecting portion 610c and the connecting portion 710c, the second upper holding portion 612c and the second lower holding portion 712c are brought into close contact with the bending of the fingers. be able to. Thereby, since the probe C holds the finger firmly in a state of being bent naturally, it is difficult to be displaced even when the probe C is worn for a long time, and it is possible to reduce a sense of incongruity and pain felt by the subject. In addition, it is possible to accurately measure body information such as blood oxygen saturation and pulse over a long period of time because it is difficult to shift. Further, when the upper hold portion 61c and the lower hold portion 71c have elasticity, they are pushed and elastically deformed by the biasing members 63c and 73c. As a result, the pressure applied to the fingers from the upper hold portion 61c and the lower hold portion 71c can be adjusted, so that the probe C is mounted with the fingers tightened appropriately.
　なお、上記実施形態において、付勢部材６３ｃ、７３ｃとして、上側ハウジング６ｃ及び下側ハウジング７ｃに一体的に形成された凸部を挙げているが、それに限定されるものではなく、面状に盛り上がった形状としてもよいし、稜線状に形成されているものであってもよい。また、ハウジングと一体でなくてもよく、別途形成された付勢部材６３ｃ、７３ｃを取り付けるようにしてもよい。このように、別途取り付けるものの場合、第２上側保持部６１２ｃ及び（又は）第２下側保持部７１２ｃが手指へ押し付けられる力を調整することが可能である。また、弾性変形することができ、その弾性力で第２上側保持部６１２ｃ及び（又は）第２下側保持部７１２ｃを押すものであってもよい。 In the above-described embodiment, the urging members 63c and 73c are convex portions formed integrally with the upper housing 6c and the lower housing 7c, but are not limited thereto, and are raised in a planar shape. Alternatively, the shape may be a ridgeline shape. Further, the urging members 63c and 73c formed separately may not be integrated with the housing. As described above, in the case of separately attaching, it is possible to adjust the force with which the second upper holding portion 612c and / or the second lower holding portion 712c is pressed against the finger. Further, it may be elastically deformed, and the second upper holding part 612c and / or the second lower holding part 712c may be pushed by the elastic force.
　本発明にかかるプローブのさらに他の例について図面を参照して説明する。図７は本発明にかかるプローブのさらに他の例を手指に装着した状態の側面図である。図７に示すプローブＤは、上側ホールド部６１ｃと下側ホールド部７１ｃとに連結された連結ベルト６１４ｄを備えている点と、付勢部材６３ｃ、７３ｃを備えていない点以外はプローブＣと同じ構成を有しており、実質上同じ部分には同一の符号が付してある。また、実質上同じ部分の詳細な説明は省略する。なお、説明の便宜上、遮光部４の図示は省略している。 Still another example of the probe according to the present invention will be described with reference to the drawings. FIG. 7 is a side view showing a state in which another example of the probe according to the present invention is mounted on a finger. The probe D shown in FIG. 7 is the same as the probe C except that it includes a connection belt 614d connected to the upper hold portion 61c and the lower hold portion 71c and does not include the urging members 63c and 73c. The substantially same parts are denoted by the same reference numerals. Detailed descriptions of substantially the same parts are omitted. In addition, illustration of the light-shielding part 4 is abbreviate | omitted for convenience of explanation.
　図７に示すように、プローブＤは手指に取り付けたときの側部に第２上側保持部６１２ｃと第２下側保持部７１２ｃとに固定された連結ベルト６１４ｄを備えている。連結ベルト６１４ｄは弾性的に伸縮するベルトである。連結ベルト６１４ｄは一方の端部が第２上側保持部６１２ｃの側部に取り付けられており、他方の端部が第２下側保持部７１２ｃの側部に取り付けられている。連結ベルト６１４ｄを備えていることで、第２上側保持部６１２ｃと第２下側保持部７１２ｃとは常に手指を挟む方向に付勢されている。また、連結ベルト６１４ｄは伸縮性を有するので第２上側保持部６１２ｃ及び第２下側保持部７１２ｃの間隔が開きやすく、手指の出し入れが容易である。 As shown in FIG. 7, the probe D includes a connecting belt 614d fixed to a second upper holding portion 612c and a second lower holding portion 712c on the side when attached to the finger. The connecting belt 614d is a belt that elastically expands and contracts. One end of the connecting belt 614d is attached to the side of the second upper holding part 612c, and the other end is attached to the side of the second lower holding part 712c. By providing the connection belt 614d, the second upper holding portion 612c and the second lower holding portion 712c are always urged in the direction of sandwiching fingers. Further, since the connecting belt 614d has elasticity, the interval between the second upper holding part 612c and the second lower holding part 712c is easy to open, and fingers can be easily put in and out.
　なお、連結ベルト６１４ｄの少なくとも一方の端部が、第２上側保持部６１２ｃ又は第２下側保持部７１２ｃに着脱可能に取り付けられていてもよい。着脱方法としては、フックを用いて着脱するもの、面状ファスナーを用いるもの等を挙げることができる。また、これらに限定されるものではなく、取り付け状態で連結ベルト６１４ｄが第２上側保持部６１２ｃ及び（又は）第２下側保持部７１２ｃから外れにくいものを広く採用することが可能である。 Note that at least one end of the connecting belt 614d may be detachably attached to the second upper holding part 612c or the second lower holding part 712c. Examples of the attaching / detaching method include an attaching / detaching method using a hook and an attaching / detaching method using a surface fastener. Moreover, it is not limited to these, It is possible to employ | adopt widely what the connection belt 614d does not remove | deviate from the 2nd upper side holding | maintenance part 612c and / or the 2nd lower side holding | maintenance part 712c in the attachment state.
　連結ベルト６１４ｄは少なくとも一方の端部が着脱可能に形成されている。プローブＤを手指に取り付けたのちに、連結ベルト６１４ｄの端部を着脱することで、プローブＤを容易に取り付けることが可能である。 The connecting belt 614d is formed so that at least one end is detachable. After attaching the probe D to the finger, the probe D can be easily attached by attaching / detaching the end of the connecting belt 614d.
　本発明にかかるプローブの他の例について図面を参照して説明する。図８は本発明にかかるプローブに用いられる上側ホールド部の一例の斜視図である。図８に示すように上側ホールド部１４は、第１上側保持部１４１と第２上側保持部１４２とを備えている。第１上側保持部１４１と第２上側保持部１４２とは別体として形成されているものであり、第１上側保持部１４１は上側ハウジング１に固定されているものである。 Other examples of the probe according to the present invention will be described with reference to the drawings. FIG. 8 is a perspective view of an example of the upper hold portion used in the probe according to the present invention. As shown in FIG. 8, the upper hold unit 14 includes a first upper holding unit 141 and a second upper holding unit 142. The first upper holding part 141 and the second upper holding part 142 are formed as separate bodies, and the first upper holding part 141 is fixed to the upper housing 1.
　第１上側保持部１４１及び第２上側保持部１４２は、図３に示す第１上側保持部１１１、第１下側保持部１２１と同様、手指に沿うように湾曲した断面形状を有している。第１上側保持部１４１及び第２上側保持部１４２は手指と当接するのと反対側の面も、手指側と同じ方向に屈曲している。すなわち、第１上側保持部１４１及び第２上側保持部１４２はそれぞれの内側の面で手指を保持し、手指の側部の一部を覆う凹形状（不図示）に形成されている。 The first upper holding portion 141 and the second upper holding portion 142 have a cross-sectional shape that is curved along the fingers, like the first upper holding portion 111 and the first lower holding portion 121 shown in FIG. . The first upper holding portion 141 and the second upper holding portion 142 are also bent in the same direction as the finger side on the surface opposite to the finger side. That is, the first upper holding portion 141 and the second upper holding portion 142 are formed in a concave shape (not shown) that holds the fingers on the inner surfaces and covers a part of the side portions of the fingers.
　第１上側保持部１４１及び第２上側保持部１４２は手指と反対側に取り付けられた付勢部材１４３で連結されている。付勢部材１４３は弾性的に伸縮するものである。付勢部材１４３は上側ホールド部１４の上面側に配置された第１付勢部材１４３１と、両側部に配置された第２付勢部材１４３２とを備えている。第１付勢部材１４３１で第１上側保持部１４１と第２上側保持部１４２との上面側を連結しており、第１上側保持部１４１と第２上側保持部１４２は手指の屈伸方向に屈曲することが可能である。上側ホールド部１４は第１上側保持部１４１が上側ハウジング１に固定されており、第２上側保持部１４２が手指の屈伸方向に揺動する。 The first upper holding portion 141 and the second upper holding portion 142 are connected by a biasing member 143 attached to the opposite side of the finger. The biasing member 143 elastically expands and contracts. The urging member 143 includes a first urging member 1431 disposed on the upper surface side of the upper hold portion 14 and second urging members 1432 disposed on both sides. The first urging member 1431 connects the upper surface side of the first upper holding part 141 and the second upper holding part 142, and the first upper holding part 141 and the second upper holding part 142 are bent in the bending direction of the fingers. Is possible. As for the upper side holding part 14, the 1st upper side holding part 141 is being fixed to the upper housing 1, and the 2nd upper side holding part 142 rock | fluctuates in the bending direction of a finger.
　また、第２上側保持部１４２の側部と第１上側保持部１４１の両側部とが第２付勢部材１４３２で連結されている。第２上側保持部１４２は第１上側保持部１４１に対して手指側に屈曲した状態で連結されている。第２上側保持部１４２が手指と反対側（図中、上方側）に移動すると、両側部に固定された第２付勢部材１４３２に引っ張られ、手指の方向（図中、下方側）に引き戻される。 Further, the side portion of the second upper holding portion 142 and the both side portions of the first upper holding portion 141 are connected by the second urging member 1432. The second upper holding portion 142 is connected to the first upper holding portion 141 while being bent toward the finger side. When the second upper holding part 142 moves to the opposite side (upper side in the figure) of the finger, it is pulled by the second urging member 1432 fixed to both sides and pulled back in the direction of the finger (lower side in the figure). It is.
　第２上側保持部１４２が付勢部材１４３によって手指のＤＩＰ関節とＰＩＰ関節とに密着されるように付勢されている。これにより、手指を自然に屈曲させた状態で、しっかりと保持することが可能であり、長時間の装着でもずれにくく、手指に感じる違和感や苦痛を低減することができる。また、ずれにくいことより長時間にわたって、精度良く血中酸素飽和度や脈拍といった身体の情報を測定することが可能である。なお、本実施形態では、上側ホールド部について説明しているが、下側ホールド部についても同様の構成となっていてもよい。 The second upper holding portion 142 is biased by the biasing member 143 so as to be in close contact with the DIP joint and the PIP joint of the finger. Thereby, it is possible to hold the finger firmly in a state in which the finger is naturally bent, and it is difficult to slip even when worn for a long time, and it is possible to reduce a sense of incongruity and pain felt by the finger. In addition, it is possible to accurately measure body information such as blood oxygen saturation and pulse over a long period of time because it is difficult to shift. In the present embodiment, the upper hold unit has been described, but the lower hold unit may have the same configuration.
　上述の実施形態において、ハウジングとして手指の爪側に配置される上側ハウジングと、手指の腹側に配置される下側ハウジングとが一対となっているものを説明しているが、これに限定されるものではなく、手指の少なくとも一部を覆う筒形状や、手指の爪側及び腹側に配置される部分をつないだ断面コの字形状（一体、別体を含む）等、ホールド部を安定して保持することができる構造のハウジングを広く採用することができる。同様に、上記実施形態では、上側ホールド部と下側ホールド部とが一対になっているホールド部を説明しているが、それに限定されるものではなく、手指を関節が曲がった状態で保持することができる構造を広く採用することが可能である。 In the above-described embodiment, a pair of the upper housing disposed on the fingernail side of the finger and the lower housing disposed on the belly side of the finger is described as a housing, but the present invention is not limited thereto. Stabilize the holding part, such as a cylindrical shape that covers at least a part of the finger, or a U-shaped cross-section that connects the parts placed on the fingernail side and the abdomen side (integrated and separate) Thus, it is possible to widely adopt a housing having a structure that can be held in a fixed manner. Similarly, in the above-described embodiment, the hold unit in which the upper hold unit and the lower hold unit are paired is described. However, the present invention is not limited thereto, and the fingers are held with the joint bent. It is possible to widely adopt a structure that can be used.
　また、上述の実施形態において、ハウジング（上側ハウジング、下側ハウジング）と、ホールド部（上側ホールド部、下側ホールド部）とが別体で形成されているものを説明しているが、それに限定されるものではなく、ハウジングの一部（又は全部）がホールド部の一部（又は全部）を兼用するような構造も採用することができる。 Moreover, in the above-mentioned embodiment, although the housing (upper housing, lower housing) and the holding part (upper holding part, lower holding part) are formed separately, the present invention is limited thereto. However, a structure in which a part (or all) of the housing also serves as a part (or all) of the holding portion can be employed.
　上記実施形態の説明は、本発明を説明するためのものであって、特許請求の範囲に記載の発明を限定し、或いは範囲を減縮する様に解すべきではない。本発明の各部構成は上記実施形態に限らず、特許請求の範囲に記載の技術的範囲内で種々の変形が可能であることは勿論である。 The description of the above embodiment is for explaining the present invention, and should not be construed as limiting the invention described in the claims or reducing the scope thereof. It is needless to say that each part configuration of the present invention is not limited to the above embodiment, and various modifications can be made within the technical scope described in the claims.
　本発明にかかるプローブは手指に装着し、長時間、継続して脈拍や血中酸素飽和度を測定する光電脈波測定装置の測定用プローブとして用いることが可能である。 The probe according to the present invention can be used as a measurement probe of a photoelectric pulse wave measuring device that is attached to a finger and continuously measures a pulse and blood oxygen saturation for a long time.
Ａ～Ｄ　プローブ
１　上側ハウジング
１１　上側ホールド部
１１１　第１上側保持部
１１２　第２上側保持部
１２　発光部
２　下側ハウジング
２１　下側ホールド部
２１１　第１下側保持部
２１２　第２下側保持部
２２　受光部
３　ヒンジ部
４　遮光部
５　弾性部材
６　上側ハウジング
６１　上側ホールド部
６１０　連結部
６１１　第１上側保持部
６１２　第２上側保持部
７　下側ハウジング
７１　下側ホールド部
７１０　連結部
７１１　第１下側保持部
７１２　第２下側保持部 A to D Probe 1 Upper housing 11 Upper hold part 111 First upper holding part 112 Second upper holding part 12 Light emitting part 2 Lower housing 21 Lower hold part 211 First lower holding part 212 Second lower holding part 22 Light receiving unit 3 Hinge unit 4 Light blocking unit 5 Elastic member 6 Upper housing 61 Upper hold unit 610 Connecting unit 611 First upper holding unit 612 Second upper holding unit 7 Lower housing 71 Lower hold unit 710 Connecting unit 711 First lower side Holding part 712 Second lower holding part

Claims (11)

  1. 　ハウジングと、
    　前記ハウジングに配置され、手指の爪側及び腹側を保持するホールド部とを備え、生体情報を測定するプローブであって、
    　前記ホールド部の手指の爪側又は腹側の少なくとも一方が関節を屈曲させた状態で手指を保持できる形状を有していることを特徴とする生体情報測定用プローブ。     A housing;
    A probe that is disposed in the housing and includes a hold unit that holds the fingernail side and the abdomen side of the finger, and measures biological information,
    A probe for measuring biological information, characterized in that at least one of the fingernail side or the abdomen side of the holding part has a shape capable of holding the finger in a state where the joint is bent.
  2. 　前記ホールド部の手指の爪側又は腹側の少なくとも一方は、前記手指の関節と対向する部分で屈曲した一体成形体である請求項１に記載の生体情報測定用プローブ。 2. The biological information measuring probe according to claim 1, wherein at least one of the fingernail side or the abdomen side of the hold part is an integrally molded body bent at a part facing the joint of the finger.
  3. 　前記ホールド部の手指の爪側又は腹側の少なくとも一方は、前記手指の関節と対向する部分に形成された連結部で、屈曲自在に連結された複数の保持部を備えている請求項１に記載の生体情報測定用プローブ。 The at least one of the fingernail side or the abdomen side of the hold part includes a plurality of holding parts that are flexibly connected at a connection part formed at a part facing the joint of the finger. The biological information measuring probe according to claim.
  4. 　前記連結部を備えたホールド部は、前記連結部が前記ホールド部の他の部分よりも薄肉となるように形成された一体成形体である請求項３に記載の生体情報測定用プローブ。 4. The biological information measuring probe according to claim 3, wherein the holding portion including the connecting portion is an integrally formed body formed so that the connecting portion is thinner than other portions of the hold portion.
  5. 　前記連結部を備えたホールド部は、前記連結部を挟んで隣り合う保持部同士が分離可能に形成されている請求項３に記載の生体情報測定用プローブ。 The biological information measuring probe according to claim 3, wherein the holding portion including the connecting portion is formed such that adjacent holding portions sandwiching the connecting portion can be separated from each other.
  6. 　前記保持部の少なくともひとつは前記ハウジングに固定されており、
    　前記連結部は固定されていない保持部を手指に向けて付勢する付勢部材を備えている請求項３に記載の生体情報測定用プローブ。     At least one of the holding portions is fixed to the housing;
    The biological information measuring probe according to claim 3, wherein the connecting portion includes a biasing member that biases a non-fixed holding portion toward a finger.
  7. 　前記付勢部材は前記ハウジングより突出した突出部である請求項６に記載の生体情報測定用プローブ。 The biological information measuring probe according to claim 6, wherein the biasing member is a protruding portion protruding from the housing.
  8. 　前記付勢部材は前記ホールド部の手指と対向するのと反対側に連結部を越えて取り付けられている弾性部材を備えている請求項６に記載の生体情報測定用プローブ。 The biological information measuring probe according to claim 6, wherein the urging member includes an elastic member that is attached to the opposite side of the holding portion from the finger and beyond the connecting portion.
  9. 　前記ホールド部の手指の爪側又は腹側の少なくとも一方は、前記手指と対向するのと反対側が手指の側面まで回り込む側部を備えた断面形状を有しており、
    　前記付勢部材は前記固定されていない保持部の側部に取り付けられるとともに、前記固定されていない保持部と対向するホールド部の保持部に接続された弾性的に伸縮可能な部材を備えている請求項６に記載の生体情報測定用プローブ。     At least one of the nail side or the abdomen side of the finger of the hold part has a cross-sectional shape provided with a side part where the opposite side of the finger faces the side of the finger,
    The biasing member is attached to a side portion of the non-fixed holding portion, and includes an elastically expandable member connected to the holding portion of the hold portion facing the non-fixed holding portion. The biological information measuring probe according to claim 6.
  10. 　前記ホールド部の手指の爪側又は腹側の少なくとも一方は、前記手指と対向するのと反対側が手指の側面まで回り込む側部を備えた断面形状を有しており、
    　前記付勢部材は前記側部に取り付けられるとともに、前記固定されていない保持部を手指側に引っ張るように配置された弾性部材を備えている請求項６に記載の生体情報測定用プローブ。     At least one of the nail side or the abdomen side of the finger of the hold part has a cross-sectional shape provided with a side part where the opposite side of the finger faces the side of the finger,
    The biological information measurement probe according to claim 6, wherein the biasing member is attached to the side portion and includes an elastic member arranged to pull the unfixed holding portion toward the finger side.
  11. 　前記ハウジングの少なくとも一部が、前記ホールド部の少なくとも一部を兼用する請求項１に記載の生体情報測定用プローブ。 2. The biological information measuring probe according to claim 1, wherein at least a part of the housing also serves as at least a part of the hold part.
PCT/JP2009/070652 2008-12-26 2009-12-10 Probe for measuring living body information WO2010073913A1 (en)

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