CN102448373B - Finger-clipped oximeter - Google Patents
Finger-clipped oximeter Download PDFInfo
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- CN102448373B CN102448373B CN201080022819.8A CN201080022819A CN102448373B CN 102448373 B CN102448373 B CN 102448373B CN 201080022819 A CN201080022819 A CN 201080022819A CN 102448373 B CN102448373 B CN 102448373B
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- 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
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- 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
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- 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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/02—Details of sensors specially adapted for in-vivo measurements
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- Medical Informatics (AREA)
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- Heart & Thoracic Surgery (AREA)
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- Spectroscopy & Molecular Physics (AREA)
- Optics & Photonics (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
A finger-clipped oximeter comprises an upper housing (1) and a lower housing (2) which are oppositely arranged; one of the upper housing (1) and the lower housing (2) is provided with a guide post (4), and the other one is provided with a reset spring (6); a free end of the guide post (4) is connected with the reset spring (6); when the upper housing (1) and the lower housing (2) open, the guide post (4) presses on the reset spring (6) to make it elastically deform; a clamping force is generated between the upper housing (1) and the lower housing (2) by the elastic deformation to clamp the measured finger. The finger-clipped oximeter of the invention has advantages of easy installation and durable use etc.
Description
Technical field
The present invention relates to a kind of blood oxygen measuring device, particularly, the present invention relates to a kind of finger-clip type oximeter.
Background technology
Along with the continuous quickening of modern life rhythm, people's health problem is standing baptism.In recent years, due to many-sided reasons such as operating pressure and environmental pollutions, sub-health population, chronic disease and the diseases of middle-and old-aged person patient's quantity is in cumulative year after year, and wherein majority have incured loss through delay best occasion for the treatment because cannot understand in time the health status of oneself, severe patient will cause the consequence that is difficult to retrieve.
For this situation, those skilled in the relevant art have researched and developed a series of portable sets of self-health status being monitored applicable to average family member.Wherein, there is a kind of finger-clip type oximeter of measuring human body oxygen content that is specifically designed to, user can be monitored the oxygen content of blood of oneself at any time by this equipment, is highly suitable for suffering from hypertension, the patient of respiratory system disease and cardiovascular and cerebrovascular disease uses.
At present, the structure of the finger-clip type oximeter of prior art, generally includes upper and lower two housings and the pivot that is connected these upper and lower two housings.When measuring, up/down housing can rotate and opened with certain angle around this pivot, so that measured's finger is placed in the finger cavity volume between up/down housing, then utilizes the measuring cell being arranged between up/down housing to obtain the data relevant with human body oxygen content.Wherein, between up/down housing, be provided with a wind spring, in order to the elastic force by this wind spring, make to produce between up/down housing clamping force, thereby measured's finger is fixed in the finger cavity volume between up/down housing.
Yet the finger-clip type oximeter of said structure, has following shortcoming in actual applications:
One, is connected with Wind spring structure because the up/down housing of above-mentioned finger-clip type oximeter adopts pivot, causes its assembling process more difficult, is unfavorable for the raising of production efficiency; And in use, fatigue fracture easily occurs wind spring, and then affect the service life of blood oxygen measuring device.
Its two, the firm degree of the pivot adopting in above-mentioned finger-clip type oximeter and Wind spring structure is poor, causes the connection between up/down housing unreliable, even accidentally collision or accidentally drop all likely causes that up/down housing is separated to disintegrate.
They are three years old, between up/down housing in above-mentioned finger-clip type oximeter, can only pivot and open at a certain angle, be that finger cavity volume between two housings is wedge shape, and people's finger shape is similar to cylinder, cause measured's finger and the discontinuity between up/down housing, thereby measured is not felt well, and time one length also easily causes damage to finger position.
Summary of the invention
For addressing the above problem, the invention provides a kind of blood oxygen measuring device, it has advantages of that simple installation, sturdy and durable and clamping force are even etc.
For this reason, the invention provides a kind of finger-clip type oximeter, comprise mutual opposed upper shell and lower house.Wherein, upper shell and lower house one of them be provided with guide pillar; Another in upper shell and lower house is provided with back-moving spring; The free end of guide pillar is connected with back-moving spring; When up/down housing opens, guide pillar is oppressed back-moving spring and is made back-moving spring produce elastic deformation, produces clamping force, to clamp tested finger by means of this elastic deformation between up/down housing.
Wherein, on the housing at back-moving spring place, be also provided with for the guide pillar installing hole of guide pillar being installed and for the spring cavity volume of back-moving spring is installed; Guide pillar is connected with back-moving spring through this guide pillar installing hole, and guide pillar can be subjected to displacement with respect to lower house under external force in certain distance and angular range, and forces the elastically-deformable form generation respective change of back-moving spring.
Wherein, in the both sides of upper shell and lower house, be also provided with spacing connecting rod; One of them is provided with spacing connecting rod installing hole upper shell and lower house, another one in upper shell and lower house is provided with spacing connecting rod chute, spacing connecting rod has pivoting end and slip end, wherein, the pivoting end of spacing connecting rod is arranged in spacing connecting rod installing hole rotationally, and the slip end of spacing connecting rod is mounted slidably in spacing connecting rod chute.
The plane almost parallel at contact surface place when wherein, spacing connecting rod chute and up/down housing are closed.
Preferably, the length of spacing connecting rod chute is 6～12mm, and the length of spacing connecting rod is 18～25mm.
Preferably, guide pillar is arranged at upper shell, and guide pillar installing hole is arranged at lower house corresponding with the position of guide pillar and back-moving spring respectively with spring cavity volume.
Wherein, spacing connecting rod installing hole is the horizontal through hole that runs through lower house, and the both sides of upper shell are respectively provided with a spacing connecting rod chute; Spacing connecting rod is U-shaped structure, the bottom of this U-shaped structure is as the pivoting end of spacing connecting rod and be arranged at rotationally in the horizontal through hole on lower house, and the end of the two side arms of this U-shaped structure is as the slip end of spacing connecting rod and be mounted slidably in the spacing connecting rod chute of upper shell both sides.
Wherein, spacing connecting rod installing hole is the symmetrical circular hole that is arranged at lower house both sides, and the both sides of upper shell are respectively provided with a spacing connecting rod chute, and a spacing connecting rod is respectively set in the both sides of up/down housing; Spacing connecting rod is the straight rod-shaped structure of the end with bending, a kind of two ends, one of them pivoting end as spacing connecting rod of two folded end of this straight rod-shaped structure being arranged at rotationally in the circular hole of lower house both sides, the another one folded end in two folded end of this straight rod-shaped structure is as the slip end of spacing connecting rod and be mounted slidably in the spacing connecting rod chute of upper shell both sides.
Preferably, in the both sides of upper shell and/or lower house, be provided with backplate, in order to reduce ambient light according to the impact on measurement result.
Preferably, described spring cavity volume at least comprises spring loaded plate.
The present invention has following beneficial effect:
One, finger-clip type oximeter provided by the invention, comprises mutual opposed upper shell and lower house, one of them of thereon/lower house is provided with guide pillar, and is provided with back-moving spring at another of two housings.Wherein, the free end of guide pillar is connected with back-moving spring, and can oppress this back-moving spring and produce elastic deformation, and then is provided for the clamping force of holding finger for up/down housing.The syndeton of above-mentioned guide pillar and back-moving spring is compared with Wind spring structure with pivot of the prior art, and its structure is simpler, therefore can effectively simplify linkage editor, thereby enhance productivity; And, after the back-moving spring life-time service that above-mentioned syndeton adopts, be also difficult for fatigue fracture occurs, thereby there is longer service life.
Its two, finger-clip type oximeter provided by the invention, the elasticity realizing by guide pillar and back-moving spring between up/down housing connects, this just makes between two housings, to have very large elasticity range of activity.Therefore, if when this finger-clip type oximeter accidentally bumps or drops, the back-moving spring in its syndeton can play the effect of certain buffering kinetic energy, thereby reduces the problem of even avoiding occurring damaged in collision; Both made is to drop and also there will not be the separated situation of disintegrating of up/down housing that makes from eminence.
Its three, at application finger-clip type oximeter provided by the invention, when human body oxygen content is measured, can make up/down housing adapt to the shape of finger and open with certain angle and distance, and when not using, make up/down housing be kept closed.Therefore, it can make the inwall of pointing cavity volume carry out even contact with each position of finger, thereby makes upper each position uniform stressed of finger, to avoid pointing the excessive problem of pressure that local location is subject to, and then strengthens measured's comfort.
Accompanying drawing explanation
Fig. 1 is the cutaway view of finger-clip type oximeter provided by the invention when measuring state;
Fig. 2 is the cutaway view of the blood oxygen measuring device shown in Fig. 1 when non-measuring state; And
Fig. 3 is the axonometric chart of the blood oxygen measuring device shown in Fig. 1.
The specific embodiment
For making those skilled in the art understand better technical scheme of the present invention, below in conjunction with accompanying drawing, finger-clip type oximeter provided by the invention is described in detail.
Finger-clip type oximeter provided by the invention, comprises mutual opposed upper shell and lower house.Wherein, one of them of up/down housing is provided with a guide pillar; Another in up/down housing is provided with back-moving spring.Above-mentioned guide pillar has a stiff end and a free end, and the stiff end of guide pillar is arranged on and is attached thereto on the housing connecing, and the free end of guide pillar is fixedly connected with back-moving spring.When utilizing finger-clip type oximeter provided by the invention to measure, its up/down housing opens, and now, guide pillar produces contention effect and makes back-moving spring produce elastic deformation back-moving spring, by means of this elastic deformation, between up/down housing, produce clamping force, to clamp tested finger.
Particularly, above-mentioned back-moving spring is arranged in the spring cavity volume of inside of its place housing.In addition, on the housing at back-moving spring place, be also provided with for the guide pillar installing hole of guide pillar is installed, above-mentioned guide pillar is connected with back-moving spring through this guide pillar installing hole, and guide pillar can be subjected to displacement with respect to this lower house under external force in certain distance and angular range, and force the elastically-deformable form generation respective change of back-moving spring, suitable clamping force is provided while being separated from each other with certain angle and distance to adapt to the shape of finger at up/down housing.
In order to make the connection between up/down housing more stable, in the both sides of upper shell and lower house, be also provided with spacing connecting rod, this spacing connecting rod has pivoting end and slip end.And, in one of them of up/down housing, being provided with spacing connecting rod installing hole, the another one in up/down housing is provided with spacing connecting rod chute, the plane almost parallel at contact surface place when this spacing connecting rod chute and up/down housing are closed.Wherein, the pivoting end of spacing connecting rod is arranged in above-mentioned spacing connecting rod installing hole rotationally, and the slip end of spacing connecting rod is mounted slidably in above-mentioned spacing connecting rod chute.
Seeing also Fig. 1 to Fig. 3, is a kind of specific embodiment of finger-clip type oximeter provided by the present invention.As shown in the figure, this blood oxygen measuring device consists of mutual opposed upper shell 1 and lower house 2, the surface that up/down housing is relative respectively has a cross section to be similar to half elliptic groove (if the label in Fig. 3 is 14,15 part), and groove on up/down housing is common forms a finger cavity volume that can hold measured's finger.In the present embodiment, guide pillar 4 is arranged at the lower surface of upper shell 1, and guide pillar installing hole 5 is arranged at lower house 2 corresponding with the position of guide pillar 4 and back-moving spring 6 respectively with spring cavity volume 7.
Particularly, upper shell 1 comprises: be arranged at the display screen 13 of upper shell 1 upper surface, in order to display measurement result; Be arranged at the measuring circuit plate of upper shell 1 inside, in order to measuring-signal is analyzed, and analytical structure be presented on display screen 13; Be arranged at the measuring-signal receiving element (not shown) of the finger cavity volume inwall in upper shell 1 lower surface, in order to receive the signal of relevant human body oxygen content; Both sides at upper shell 1 are respectively provided with a spacing connecting rod chute 9 near finger cavity volume porch, the plane almost parallel at contact surface place when this spacing connecting rod chute 9 and up/down housing are closed (or also can say with the lower surface of upper shell 1 parallel), in order to the slip end of the spacing connecting rod 8 between install/lower house; And, being arranged at the guide pillar 4 of the finger cavity volume end in upper shell 1 lower surface, the upper end of this guide pillar 4 is its stiff end, for connecting upper shell 1, the lower end of this guide pillar 4 is used for connecting back-moving spring 6 for its free end.
In lower house 2, specifically comprise: the measuring-signal transmitting element 11 that is arranged in the finger cavity volume in lower house 2 upper surfaces and is used in combination with measuring-signal receiving element in upper shell 1, in order to the light/signal of telecommunication that sends penetrable finger and can measured signal receiving element receive; Be arranged in the projection 12 of the finger cavity volume end of lower house 2, the finger position while measuring blood oxygen in order to determine; Be positioned at the back-moving spring 6 of measuring-signal transmitting element 11 belows and the spring stop 72 of spring loaded plate 71 both sides, the common formation spring of spring stop 72 cavity volume 7 of spring loaded plate 71 and both sides thereof, this spring cavity volume 7 is corresponding with the position of back-moving spring 6, and described back-moving spring 6 is arranged in this spring cavity volume 7; The outside of two spring stops 72 is battery mounting groove, in order to battery to be installed, thinks blood oxygen measuring device power supply; Be arranged at the upper surface of lower house 2 and the guide pillar installing hole 5 corresponding with the position of guide pillar 4 on upper shell 1; In addition, the position of close lower house 2 upper surfaces is provided with spacing connecting rod installing hole 10, and in the present embodiment, this spacing connecting rod installing hole 10 is a horizontal through hole that runs through lower house 2.
As shown in the figure, up/down housing can be realized elasticity by guide pillar 4, guide pillar installing hole 5 and back-moving spring 6 and connect, when measuring human body oxygen content, can make up/down housing can adapt to the shape of finger and open certain angle and distance, and when not using, making up/down housing be kept closed.
Concrete, then the lower end of guide pillar 4 is connected with one end of back-moving spring 6 through guide pillar installing hole 5, and the other end of back-moving spring 6 is arranged in the spring cavity volume 7 of lower house 2.In the present embodiment, back-moving spring 6 adopts a kind of cantilever, this cantilever has a stiff end and a free end, and the stiff end of back-moving spring 6 is fixedly connected with the free end of guide pillar 4, and the free end of back-moving spring 6 can move freely in the scope of spring cavity volume 7.In the present embodiment; the mode that back-moving spring 6 adopts screw to be connected with guide pillar 4; but it is not limited to this; between the two, can also adopt the connected mode such as welding, riveted joint etc., so long as can make the scheme achieving a fixed connection between guide pillar 4 and back-moving spring 6 all should be considered as the scope that the present invention protects.
The process of opening of the up/down housing of above-mentioned blood oxygen measuring device is as follows.First, under external force, it is opening opened with certain angle that the both ends of the surface that form finger cavity volume on up/down housing be take finger insertion end, simultaneously, both ends of the surface are separated from each other of a certain distance, therefore, the displacement that upper shell 1 occurs with respect to lower house 2 had both comprised relatively rotating of occurring around a certain horizontal axis perpendicular to finger direction of insertion, may comprise again the translation of detaching direction towards each other, here, described horizontal axis refer to perpendicular to finger direction of insertion and with the equal parallel axis of the both ends of the surface that form finger cavity volume on up/down housing.
In the process of opening at up/down housing, with respect to lower house 2, there is similar displacement in the guide pillar 4 being fixedly connected with upper shell 1, in like manner, also should there is similar displacement in the back-moving spring 6 being fixedly connected with the free end of guide pillar 4, but the free end of back-moving spring 6 is subject to the constraint of spring loaded plate 71 can only cannot be subjected to displacement in the enterprising line slip of spring loaded plate 71 in the direction perpendicular to spring loaded plate 71, and can there is with the motion of guide pillar 4 corresponding change in location in the stiff end that only has back-moving spring 6, therefore, in the process being subjected to displacement at the relative lower house 2 of guide pillar 4, to force back-moving spring 6 to produce certain elastic deformation or change the existing elastically-deformable state of back-moving spring 6.Back-moving spring 6 is because deformation has elastic potential energy, this elastic potential energy acts on the form of elastic force guide pillar 4 and spring loaded plate 71 places that are arranged at respectively on up/down housing, and and then form and to act on the clamping force on measured's finger, and the size and Orientation of the clamping force that produces of this back-moving spring 6 can the corresponding change along with the distance of relative displacement between up/down housing and the variation of direction.
In said process, the distance of the relative displacement between up/down housing and direction be the shape based on measured finger and producing all, for example, if the thickness of finger is larger, between up/down housing mutually away from distance will be larger, vice versa; If finger is changed greatly to the diameter that refers to root by fingernail end, the angle of relatively opening occurring between up/down housing will be larger, and vice versa.
It is pointed out that the opening in process of up/down housing, also may have following displacement relation.End relative with finger insertion end in the both ends of the surface that above/lower house contacts is as fulcrum, and make two housings opened with certain angle, and until point while being inserted into finger cavity volume completely the fulcrum that open as up/down housing all the time this end, thereby separation completely between two housings.Therefore, the displacement that upper shell 1 occurs with respect to lower house 2 only comprises relatively rotating of occurring around a certain horizontal axis perpendicular to finger direction of insertion, and here, described horizontal axis is the above-mentioned end as fulcrum.
In addition,, in order to make the connection between up/down housing more stable, in the both sides of the two, be also provided with a kind of spacing connecting rod 8.This spacing connecting rod 8 is a kind of U-shaped structure, and the bottom of this U-shaped structure and two sidewalls are straight-bar, and the junction of bottom and sidewall is right angle, and the top of two side has to the end of relative direction bending.The U-shaped bottom of this spacing connecting rod 8 is also arranged in the spacing connecting rod installing hole 10 on lower house 2 rotationally as the pivoting end of spacing connecting rod 8; Simultaneously, the bending part of the end, two side of spacing connecting rod 8 is as the slip end of spacing connecting rod 8 and be mounted slidably in the spacing connecting rod chute 9 of upper shell 1 both sides, along with the variation of up/down housing opening angle, two side arms of spacing connecting rod 8 can slidably reciprocate in spacing connecting rod chute 9.
In addition, in the both sides of upper shell 1, be also provided with backplate 3, in order to reduce ambient light according to the impact on measurement result.Certainly, this backplate 3 can also be arranged on the both sides of lower house 2, or in the both sides of up/down housing, backplate 3 is all set.
It is to be noted, the structure of the spacing connecting rod adopting in the present invention is not limited to therewith, it can also adopt such structure, for example: spacing connecting rod is set to the straight-bar that a kind of two ends have the end of bending structure, for example, can make its two ends vertically bend to same direction.Using one end of the spacing connecting rod of this straight-bar structure as pivoting end and make it to be arranged at rotationally in the spacing connecting rod installing hole of lower house, meanwhile, using the other end of the spacing connecting rod of this straight-bar structure as slip end and make it to be mounted slidably in the spacing connecting rod chute of upper shell.Now, spacing connecting rod installing hole can be two installing holes that arrange at lower house both sides relative position, and without the two is connected, and the spacing connecting rod of a said structure is respectively set in up/down housing both sides, and two spacing connecting rods should be symmetrical.Obviously, the spacing connecting rod of said structure can play the effect with the spacing connecting rod of structure shown in above-mentioned Fig. 1 equally.In actual applications, the length of spacing connecting rod can arrange in the scope of 18～25mm, and preferred, the length of spacing connecting rod is 22mm.Here, the length of spacing connecting rod all refers to by pivoting end to the beeline of sliding between end; Concrete, refer to the sidewall length of the spacing connecting rod of U-shaped or the straight-bar length of the spacing connecting rod of straight rod-shaped.
Also it is to be noted, the spacing connecting rod chute of above-mentioned upper shell both sides can be set to be parallel to the structure of the lower surface of upper shell, also can be with the lower surface of upper shell at an angle and the structure tilting, for example make the lower surface of spacing connecting rod chute and upper shell be positive and negative 20 and spend overturning angles; Or, this spacing connecting rod chute can also be arranged to circular-arc structure etc.No matter adopt which kind of structure, the spacing connecting rod chute of upper shell both sides all should be mutually symmetrical.In actual applications, spacing connecting rod chute length can be set to 6～12mm, and preferably, making spacing connecting rod chute length is 9mm.
Further it is pointed out that as making up/down housing can produce the rotation of certain angle when opening, between guide pillar and guide pillar installing hole, should be provided with the gap of 0.1～0.15mm.
In sum, finger-clip type oximeter provided by the present invention, due to thereon/elasticity that adopts between lower house the syndeton of guide pillar and back-moving spring to realize up/down housing is connected, this structure is compared with adopting the syndeton of pivot and wind spring, have advantages of that assembling is simple and be difficult for occurring fatigue fracture, thereby not only enhance productivity, and effectively extended the service life of equipment.In addition, due to guide pillar with as the cantilever of back-moving spring, can make between up/down housing, to there is certain elasticity range of activity, therefore, the shock-absorbing capacity when effectively having strengthened equipment in accident collision or having dropped, thereby the problem that can effectively avoid equipment to damage because of slight impact.And, in the both sides of up/down housing, be also provided with and can play spacing and spacing connecting rod reinforcement effect, further make the connection between up/down housing more firm, it can make upper shell both sides remain concordant with respect to lower house and inconsistent etc. the problem of height about when there will not be left and right dislocation or opening, thereby guarantees that the position of measuring-signal transmitting element in up/down housing and measuring-signal receiving element is corresponding all the time.In addition, the up/down housing of blood oxygen measuring device provided by the invention can open with suitable angle and distance according to different measured's finger shape, and make to point the inwall of cavity volume and point each position even contact so that the clamping force of spring is uniformly distributed in each position on finger, thereby can effectively avoid pointing the excessive problem of pressure that local location is subject to, and then strengthen measured's comfort.Finally, the both sides of blood oxygen measuring device provided by the present invention are also provided with backplate, to stop external light source to enter finger cavity volume, thereby effectively avoid the interference of ambient light to measuring-signal, and then effectively improve the degree of accuracy of measurement result.
Finally also it is pointed out that the structure of the spacing connecting rod that finger-clip type oximeter provided by the present invention adopts, can be when strengthening its structural stability, and freedom of movement when not affecting up/down housing and opening.And if two groups of same spacing connecting rods are set in the side of two housings,, the spacing connecting rod that the spacing connecting rod of two U-shaped structures is set simultaneously or four straight-bar structures are set simultaneously (, housing both sides respectively arrange the spacing connecting rod of two straight-bar structures), will cause the junction point between up/down housing too much, the flexible variation of the angle and distance scope when affecting on the contrary up/down housing and opening between the two, and then may reduce maximum angle and the distance that two housings can open.
Be understandable that, above embodiment is only used to principle of the present invention is described and the illustrative embodiments that adopts, yet the present invention is not limited thereto.For those skilled in the art, without departing from the spirit and substance in the present invention, can make various modification and improvement, these modification and improvement are also considered as protection scope of the present invention.
Claims (10)
1. a finger-clip type oximeter, comprises mutual opposed upper shell and lower house, it is characterized in that, one of them is provided with guide pillar described upper shell and lower house; Another in described upper shell and lower house is provided with back-moving spring; The free end of described guide pillar is connected with described back-moving spring; When described upper shell and lower house open, described guide pillar is oppressed described back-moving spring and is made back-moving spring produce elastic deformation, by means of this elastic deformation, produces clamping force between upper shell and lower house, to clamp tested hands, refers to;
In the both sides of described upper shell and lower house, be also provided with a pair of spacing connecting rod, described upper shell and lower house are provided with spacing connecting rod installing hole on one of them two sides, on two sides of the another one in described upper shell and lower house, be provided with spacing connecting rod chute, described spacing connecting rod has pivoting end and slip end, wherein, the pivoting end of described spacing connecting rod is arranged in described spacing connecting rod installing hole rotationally, the slip end of described spacing connecting rod is mounted slidably in described spacing connecting rod chute, and the part that is positioned at described upper shell and lower house both sides in described a pair of spacing connecting rod is symmetrical, so that the flexible variation of upper shell and the lower house angle and distance scope between the two while opening.
2. finger-clip type oximeter according to claim 1, is characterized in that, is also provided with for the guide pillar installing hole of described guide pillar being installed and for the spring cavity volume of described back-moving spring is installed on the housing at described back-moving spring place;
Described guide pillar is connected with described back-moving spring through described guide pillar installing hole, described guide pillar can be subjected to displacement with respect to described lower house under external force in certain distance and angular range, and forces the elastically-deformable form generation respective change of described back-moving spring.
3. finger-clip type oximeter according to claim 2, is characterized in that, the plane almost parallel at contact surface place when described spacing connecting rod chute and upper shell and lower house are closed.
4. finger-clip type oximeter according to claim 3, is characterized in that, the length of described spacing connecting rod chute is 6～12mm.
5. finger-clip type oximeter according to claim 3, is characterized in that, the length of described spacing connecting rod is 18～25mm.
6. according to the finger-clip type oximeter described in any one in claim 2-5, it is characterized in that, described guide pillar is arranged at described upper shell, and described guide pillar installing hole is arranged at described lower house corresponding with the position of described guide pillar and described back-moving spring respectively with spring cavity volume.
7. finger-clip type oximeter according to claim 6, is characterized in that:
Described spacing connecting rod installing hole is the horizontal through hole that runs through described lower house, and the both sides of described upper shell are respectively provided with a spacing connecting rod chute;
Described spacing connecting rod is U-shaped structure, the bottom of this U-shaped structure is as the pivoting end of described spacing connecting rod and be arranged at rotationally in the horizontal through hole on described lower house, and the end of the two side arms of this U-shaped structure is as the slip end of described spacing connecting rod and be mounted slidably in the spacing connecting rod chute of described upper shell both sides.
8. finger-clip type oximeter according to claim 6, is characterized in that:
Described spacing connecting rod installing hole is the symmetrical circular hole that is arranged at described lower house both sides, and the both sides of described upper shell are respectively provided with a spacing connecting rod chute, and a spacing connecting rod is respectively set in the both sides of described upper shell and lower house;
Described spacing connecting rod is the straight rod-shaped structure of the end with bending, a kind of two ends, one of them pivoting end as described spacing connecting rod of two folded end of this straight rod-shaped structure being arranged at rotationally in the circular hole of described lower house both sides, the another one folded end in two folded end of this straight rod-shaped structure is as the slip end of described spacing connecting rod and be mounted slidably in the spacing connecting rod chute of described upper shell both sides.
9. according to the finger-clip type oximeter described in any one in claim 1-5, it is characterized in that, in the both sides of described upper shell and/or lower house, be provided with backplate, in order to reduce ambient light according to the impact on measurement result.
10. finger-clip type oximeter according to claim 2, is characterized in that, described spring cavity volume at least comprises spring loaded plate.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2010/070153 WO2011085547A1 (en) | 2010-01-13 | 2010-01-13 | Finger-clipped oximeter |
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| Publication Number | Publication Date |
|---|---|
| CN102448373A CN102448373A (en) | 2012-05-09 |
| CN102448373B true CN102448373B (en) | 2014-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201080022819.8A Active CN102448373B (en) | 2010-01-13 | 2010-01-13 | Finger-clipped oximeter |
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| Country | Link |
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| CN (1) | CN102448373B (en) |
| WO (1) | WO2011085547A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113940672A (en) * | 2021-10-20 | 2022-01-18 | 深圳市亿米生命科技有限公司 | Finger clip type blood oxygen test system |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014169484A1 (en) * | 2013-04-19 | 2014-10-23 | Pan Weijiang | Finger clamping type oxyhemoglobin saturation instrument and reset spring assembly used for finger clamping type apparatus |
| CN109199360A (en) * | 2017-06-29 | 2019-01-15 | 比亚迪股份有限公司 | Portable electrocardiograph |
| CN107582071A (en) * | 2017-07-27 | 2018-01-16 | 珠海柯诺医疗科技有限公司 | A kind of electronic finger grip device |
| CN110236564A (en) * | 2019-06-25 | 2019-09-17 | 深圳市普凌姆科技有限公司 | Parallel opening formula blood oxygen saturation refers to folder |
| CN111603173B (en) * | 2020-06-18 | 2021-02-05 | 深圳市美韵声科技有限公司 | Finger clamping mechanism of intelligent oximeter |
| CN115969344B (en) * | 2023-01-13 | 2023-12-15 | 湖北携康智能医学科技有限公司 | Automatic health check out test set of walking |
| CN116725528B (en) * | 2023-08-15 | 2024-01-26 | 医然控股集团有限公司 | Finger-clamping type blood oxygen tester |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1961827A (en) * | 2006-11-27 | 2007-05-16 | 北京超思电子技术有限责任公司 | A finger-clipped saturation oxygen measuring apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2007029702A (en) * | 2005-06-20 | 2007-02-08 | Nippon Seimitsu Sokki Kk | Fingertip clip for photoelectric living body information measuring apparatus |
| JP4516002B2 (en) * | 2005-11-15 | 2010-08-04 | 日本精密測器株式会社 | Fingertip clip of photoelectric biological information measuring device |
| US8386001B2 (en) * | 2008-05-08 | 2013-02-26 | Beijing Choice Electronic Technology Co., Ltd. | Rocker-chute type finger-clipped oximeter |
| CN201260670Y (en) * | 2008-08-12 | 2009-06-24 | 北京超思电子技术有限责任公司 | Finger clip type blood oxygen saturation measuring apparatus |
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| CN1961827A (en) * | 2006-11-27 | 2007-05-16 | 北京超思电子技术有限责任公司 | A finger-clipped saturation oxygen measuring apparatus |
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| JP特开2007-135718A 2007.06.07 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113940672A (en) * | 2021-10-20 | 2022-01-18 | 深圳市亿米生命科技有限公司 | Finger clip type blood oxygen test system |
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| WO2011085547A1 (en) | 2011-07-21 |
| CN102448373A (en) | 2012-05-09 |
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