WO2015152043A1 - Pulse wave detection device - Google Patents

Pulse wave detection device Download PDF

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Publication number
WO2015152043A1
WO2015152043A1 PCT/JP2015/059600 JP2015059600W WO2015152043A1 WO 2015152043 A1 WO2015152043 A1 WO 2015152043A1 JP 2015059600 W JP2015059600 W JP 2015059600W WO 2015152043 A1 WO2015152043 A1 WO 2015152043A1
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WO
WIPO (PCT)
Prior art keywords
pulse wave
unit
detection unit
detection
holding member
Prior art date
Application number
PCT/JP2015/059600
Other languages
French (fr)
Japanese (ja)
Inventor
飯島　竜太
義学 倉橋
町田　淳
Original Assignee
ブラザー工業株式会社
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Publication of WO2015152043A1 publication Critical patent/WO2015152043A1/en

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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
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/026—Measuring blood flow
    • A61B5/0261—Measuring blood flow using optical means, e.g. infrared light
    • 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
    • A61B5/6843—Monitoring or controlling sensor contact pressure
    • 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
    • A61B2562/0247—Pressure sensors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/021—Measuring pressure in heart or blood vessels
    • A61B5/02108—Measuring pressure in heart or blood vessels from analysis of pulse wave characteristics
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/024—Detecting, measuring or recording pulse rate or heart rate
    • A61B5/02416—Detecting, measuring or recording pulse rate or heart rate using photoplethysmograph signals, e.g. generated by infrared radiation
    • A61B5/02427—Details of sensor
    • 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

Definitions

  • the present invention relates to a pulse wave detection device that detects a pulse wave of a subject by irradiating the subject pressed by a detection unit with light and receiving light reflected by the subject.
  • the detection unit includes a light emitting unit that irradiates light to the measurement target, a light receiving unit that receives light reflected from the measurement target, and the detection unit has one end in a predetermined direction.
  • a detection unit holding member provided on the side, and a support unit that fixedly supports the other end side of the detection unit holding member in the predetermined direction and arranges the detection unit holding member with a predetermined arrangement surface and an interval.
  • the pulse wave detection device wherein, on the other end side of the detection unit holding member, the support unit that supports the facing surface, and the placement surface that is disposed in a direction along the facing surface.
  • the detecting unit holding member includes the detecting unit on the one end side, and the load detecting unit is arranged on the one end side so as to contact the facing surface of the detecting unit holding member. It is arrange
  • the detection unit holding member includes the detection unit on the one end side of a predetermined surface, and the support unit on the facing surface facing the surface on which the detection unit is provided.
  • the load detection unit is provided on the other end side, and the load detection unit is provided on the one end side of the facing surface and on the end side from the position where the detection unit is disposed.
  • the pulse wave detection device includes a placement plate having the support portion that supports the facing surface of the detection portion holding member, and the placement surface that is disposed in a direction along the facing surface, The load detection unit is disposed on the facing surface of the detection unit holding member in contact with the arrangement surface of the arrangement plate.
  • each of the detection unit and the load detection unit is electrically connected to a control unit for obtaining a detection result by the detection unit and the load detection unit by a lead wire.
  • the conducting wire is wired from the other end side to the detection unit and the load detection unit from a position where the support unit of the detection unit holding member is disposed.
  • the pulse wave detection device wherein the pulse wave detection unit that detects a pulse wave by the light emitting unit and the light receiving unit of the detection unit, and whether the detected pulse wave satisfies a predetermined detection criterion An instruction to increase or weaken the load applied to the detection unit when the pulse wave determination unit does not determine that the detected pulse wave satisfies the detection criterion.
  • the notification unit and the pulse wave detection unit until the pulse wave determination unit determines that the detected pulse wave satisfies the detection criterion when it is not determined that the detection pulse wave satisfies the detection criterion.
  • the pulse wave is repeatedly detected, and when the pulse wave determination unit determines that the detected pulse wave satisfies the detection criterion, the notification unit instructs the amount of load applied to the detection unit.
  • the detection unit holding member is disposed in contact with the support unit and the load detection unit.
  • the load detection unit is arranged on the end side from the position where the detection unit is arranged. Therefore, the distance from the support part which is a fulcrum is longer from the measurement object to the detection part to which the load is applied, to the load detection part for detecting the pressure applied to the detection part holding member.
  • the detection unit holding member is contacted by the support unit and the load detection unit, and when a load is applied to the detection unit by the measurement target, the detection unit holding member is stably supported, A load can be stably applied to the detection unit.
  • the detection unit holding member includes a detection unit, a support unit, and a load detection unit.
  • the support part provided in the detection part holding member can be arrange
  • the pulse wave detection device includes an arrangement plate having an arrangement surface along an opposing surface of the detection unit holding member, and the support unit is arranged on the arrangement plate.
  • the pulse wave detection device includes a pulse wave detection unit, a pulse wave determination unit, a notification unit, and a storage control unit.
  • the pulse wave is instructed to increase or decrease the pressure and is repeatedly detected until it is determined that the detection criterion is satisfied.
  • the load amount when the pulse wave determination unit determines a pulse wave that satisfies a predetermined detection criterion is stored as a reference load amount. Until a pulse wave satisfying a predetermined standard is detected, the intensity of the load is instructed, repeatedly detected, and the load amount at which the pulse wave is judged is stored as a reference, so that the pulse wave is reliably detected. Based on a possible pressure standard, it is possible to detect a pulse wave in a state where the strength of the load is adjusted.
  • FIG. 2 is a block diagram showing an electrical configuration of the pulse wave detection device 1.
  • FIG. It is the side view which looked at the pulse wave detection apparatus 1 from the front. It is the figure which looked at the pulse-wave detection apparatus 1 from the right side surface.
  • 4 is a flowchart showing a pulse wave detection process of the pulse wave detection device 1.
  • It is a perspective view which shows the whole structure of the pulse wave detection apparatus 200 of 2nd Embodiment.
  • FIG. 1 is a perspective view showing the overall configuration of the pulse detection device 1 of the first embodiment.
  • the pulse wave detection device 1 includes a light emitting unit 11 composed of two light emitting elements, a light receiving unit 12 composed of a light receiving element, a holding plate 13, a placement plate 14, a pressure sensor 15, a notification unit 16, and a circuit board 20. And a conductive wire cable 5.
  • the light emitting unit 11 and the light receiving unit are placed on the circuit board 20.
  • the light emitting element 11 is a pair of LEDs that emit light.
  • the light receiving element 12 is a photodiode that receives light.
  • reporting part 16 is red LED, yellow LED, and yellow-green LED.
  • the light emitting unit 11, the light receiving unit 12, and the notification unit 16 are disposed on the surface of the holding plate 13.
  • the holding plate 13 is a rectangular flat plate.
  • the arrangement plate 14 has a rectangular flat plate.
  • the light emitting unit 11, the light receiving unit 12, the pressure sensor 15, and the notification unit 16 of the pulse wave detection device 1 are electrically connected by a control device 2 and a conductive wire cable 5 described later.
  • a control device 2 As shown in FIG.
  • the holding portion 13 is supported by three points having the same height by the upper end of the pressure sensor 15 and the upper ends of the two support portions 14A. Since the light emitting unit 11 and the light receiving unit 12 are arranged in the center of the holding unit 3 by the two support units 14A and the pressure sensor 15, the light emitting unit 11 and the light receiving unit 12 are stable when pressed by a measuring finger. Regarding the positional relationship in which the light emitting unit 11 and the light receiving unit 12 and the pressure sensor 15 are arranged in the left-right direction, the distance from the support unit 14A to the center of the pressure sensor 15 is the distance from the support unit 14A to the light emitting unit 11 and the light receiving unit. The distance to the center of 12 may be more than the distance.
  • the pressure sensor used in this embodiment is formed by dispersing conductive particles almost uniformly in an insulating resin material.
  • the pressure sensor has a structure in which, when pressed, the conductive particles dispersed in the resin material conduct and the electric resistance value decreases.
  • the pressure sensor 15 exhibits an electrical characteristic in which the electrical resistance value decreases almost in inverse proportion to the load applied to the pressure sensor 15. For this reason, the smaller the load applied to the pressure sensor, the larger the change in the electric resistance value in the predetermined pressure range, and the larger the load, the smaller the change in the electric resistance value in the predetermined pressure range. That is, the pressure sensor 15 has a characteristic that it is easy to detect a change in the electric resistance value on the low load side.
  • FIG. 2 is a block diagram illustrating an electrical configuration of the light emitting unit 11, the light receiving unit 12, the pressure sensor 15, and the circuit board 20 provided in the pulse wave detection device 1.
  • the pulse wave detection device 1 is provided with the light emitting unit 11, the light receiving unit 12, and the pressure sensor 15 as described above.
  • the light emitting unit 12 and the pressure sensor 15 of the pulse wave detection device 1 are electrically connected to the circuit board 20.
  • the circuit board 20 includes a pulse wave detection circuit unit 21, an A / D conversion circuit unit 24, a control circuit unit 25, and an input / output interface 30.
  • the light receiving unit 11 of the pulse wave detection device 1 is electrically connected to the pulse wave detection circuit unit 21 of the control device 2.
  • the pulse wave detection circuit unit 21 includes a current-voltage conversion circuit 22 and an amplifier circuit 23.
  • the holding plate 13 is displaced downward with the instruction portion 14A as a fulcrum.
  • the left end of the holding plate 13 is greatly displaced downward, but the right end is not so displaced because it is supported. Since the lead wire cable 5 is wired from the right end side of the holding plate 13, even if the number of times the pulse wave detection device 1 is used and the number of displacements of the holding plate 13 is increased, the possibility of disconnection is suppressed. be able to.
  • the ROM 28 stores various programs, and stores various programs such as a pulse wave detection process for detecting a pulse wave described later.
  • the ROM 28 stores in advance a pressure threshold value (pulse wave measurement threshold value) T1 and the like suitable for detecting the pulse wave of the fingertip of the measurement finger that presses the light emitting unit 11 and the light receiving unit 12.
  • a pressure threshold value pulse wave measurement threshold value
  • the ROM 28 may store a pressure threshold capable of detecting a pulse wave in association with user information for each individual.
  • the CPU 26 performs various calculations and controls based on various programs stored in the ROM 28.
  • FIG. 3 is a side view of the pulse wave detection device 1 viewed from the front of FIG.
  • FIG. 4 is a side view of the pulse wave detection device 1 as viewed from the right side of FIG.
  • the pressure sensor 15 provided on the arrangement plate 14 is arranged on the end side in the left direction from the position where the light emitting unit 11 and the light receiving unit 12 are arranged on the upper surface of the holding plate 13. .
  • a measurement finger that is a subject is placed on the light emitting unit 11 and the light receiving unit 12. Of the light emitted by the light emitting unit 11, the light that reaches the blood vessel of the measurement finger and is reflected is received by the light receiving unit 12.
  • the pressure sensor 15 is in contact with a position that is largely displaced with a load less than the load applied to the light receiving portion of the holding plate 13 and receives a pressing force to the holding plate 13, thereby detecting the change in the pressing force finely. it can.
  • the pulse wave detection device 1 is a device that receives light reflected by a blood vessel of a measurement finger that is a measurement target by the light receiving unit 11 and detects a pulse wave of the measurement finger.
  • the light receiving unit 11 needs to receive the reflected light continuously for a predetermined time.
  • the force pressed against the light receiving unit 11 and the light emitting unit 12 requires accuracy. It is desirable that the pressing force does not change during light reception for a predetermined time. Further, the pressing force necessary to receive the light for measuring the pulse wave of the measuring finger has individual differences depending on the measuring finger.
  • the pressure sensor 15 since the pressure sensor 15 has a configuration capable of finely detecting changes in the pressing force, it is possible to accurately detect the pressing force necessary for detecting the pulse wave of the measuring finger.
  • FIG. 5 is a flowchart showing the processing procedure of the pulse wave detection process of the pulse wave detection device 1 executed by the CPU 26.
  • the CPU 26 executes the pulse wave detection process in steps S1 to S8 shown in FIG. 5 according to the program stored in the ROM 28.
  • the pulse wave detection process is started when the power of the pulse wave detection device 1 is turned on.
  • a signal for causing the red LED to emit light is output.
  • reporting part 16 showed the example comprised by LED, a display may be sufficient.
  • the notification unit 16 is a display, the display displays a determination result indicating that the pressure is not within a predetermined range according to the signal. For example, characters such as “the pressure pressed by the finger is not in the proper range” are displayed on the display as the determination result.
  • the CPU 26 When the pressure is within the appropriate range (S1: YES), the CPU 26 notifies the determination result indicating that the pressure is within the predetermined range by notifying the notification unit 16 (S3).
  • the CPU 26 outputs a signal that causes the notification unit 16 to notify the determination result indicating that the pressure is within the predetermined range.
  • the notification unit 16 having received this signal displays a determination result indicating that the pressure is not within the predetermined range.
  • the CPU 26 outputs a signal for causing the yellow LED to emit light, and the notification unit 16 causes the yellow LED to emit light.
  • the notification unit 16 is configured by a display, characters such as “the pressure pressed with a finger is in an appropriate range” are displayed on the display as a determination result.
  • the CPU 26 refers to the light intensity data and the pressure data measured in S4 for a predetermined time, and based on the light received by the light receiving unit 12 during the period when the pressure is determined to be within the predetermined range, the pulse wave Is detected (S5).
  • the CPU 26 determines whether or not the pressure data for a predetermined time measured in S4 is a pressure within a predetermined range.
  • the CPU 26 specifies the light intensity during the period when the pressure is determined to be within the predetermined range.
  • the CPU 26 detects a pulse wave based on the specified light intensity.
  • step S14 biological information such as a pulse wave detected in the process of step S6 or step S10 is output to the PC 35 connected to the pulse wave detection device 1.
  • the destination to which the pulse wave is output may be a general-purpose display device (not shown).
  • the configuration of the pulse wave detection device 200 according to the second embodiment will be described with reference to FIG.
  • the pressure sensor 15 is placed on the upper surface of the arrangement plate 14 and the upper end is in contact with the holding plate 13.
  • the arrangement of the pressure sensor 215 is different from that of the first embodiment.
  • the pulse wave detection device 200 according to the second embodiment is different from the pulse wave detection device 1 according to the first embodiment only in the arrangement of the pressure sensor 215, and thus the description of other identical configurations is omitted.
  • the pressure sensor 215 is disposed on the lower surface of the holding plate 13 with the vertical direction reversed from that of the first embodiment.
  • the bottom surface of the pressure sensor 215 is the lower surface of the holding plate 13 and is disposed on the left end side from the position where the light receiving unit 11 and the light emitting unit 12 are disposed.
  • the pressure sensor 215 is arrange
  • the pulse wave detection device 300 of the third embodiment has a configuration in which the arrangement of the pressure sensor 315 is different from that of the first embodiment.
  • the support portion 14 ⁇ / b> A is provided on the arrangement plate 14 and arranged so as to contact the holding plate 13.
  • the pulse wave detection device 300 according to the third embodiment is different from the pulse wave detection device 1 according to the first embodiment only in the arrangement of the pressure sensor 315 and the arrangement of the support portion 314A. Will not be described.
  • the pressure sensor 315 is disposed on the lower surface of the holding plate 13 with the vertical direction reversed from that of the first embodiment.
  • the bottom surface of the pressure sensor 315 is the lower surface of the holding plate 13 and is arranged on the left end side from the position where the light receiving unit 11 and the light emitting unit 12 are arranged.
  • the pressure sensor 315 is arrange
  • FIG. As shown in FIG. 7, in the pulse wave detection device 300, the support portion 314 ⁇ / b> A is provided on the lower surface of the holding plate 313 with the vertical direction reversed from that of the first embodiment.
  • the two support portions 314A are disposed on the lower surface of the holding plate 313 in the front-rear direction of the right end portion.
  • the support portion 314 ⁇ / b> A is disposed such that the lower end is in contact with the arrangement plate 14.
  • the pulse wave detection device 300 may be configured not to include the arrangement plate 14 because the support portion 314 ⁇ / b> A and the pressure sensor 315 are arranged on the holding plate 313.
  • the lower end of the support portion 314 ⁇ / b> A and the lower end that is the apex for detecting the pressure of the pressure sensor 315 may be arranged on a plane.
  • the configuration is not limited to that of the first embodiment, the second embodiment, and the third embodiment described above.
  • the pulse wave detection device 1 is not limited to the above-described configuration as long as the pressure sensor 15 can be arranged between the holding plate 13 and the arrangement plate 14.
  • the configuration may be such that the support portion 14 ⁇ / b> A is disposed on the holding plate 13 and the pressure sensor 15 is disposed on the placement plate 14. At this time, the lower end of the support portion 14 ⁇ / b> A is disposed so as to contact the upper surface of the arrangement plate 14, and the upper end of the pressure sensor 15 is disposed so as to contact the lower surface of the holding plate 13.
  • the holding plate 13 and the arrangement plate 14 may not be arranged in parallel. What is necessary is just to have the space

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Abstract

The purpose of this invention is to provide a pulse wave detection device that can detect minute changes in the pressing force on a detecting unit by an object. A retaining plate (13) of a pulse wave detection device (1) is disposed so as to abut a supporting section (14A) and a pressure sensor (15). At this time, the pressure sensor (15) is disposed toward an end side of the retaining plate (13) further to the left than the position on the retaining plate (13) where a light receiving unit (11) and a light emitting unit (12) are disposed is, said retaining plate (13) having the light receiving unit (11) and the light emitting unit (12) disposed on one end side thereof, which is the left side, and the supporting section (14A) being disposed on the other end side, which is the right side. The distance from the supporting section (14A), which is a fulcrum, to the pressure sensor (15) which detects pressure applied to the retaining plate (13) is made to be longer than the distance from the supporting section (14A) to the position where the light receiving unit (11) and light emitting unit (12) to which load from an object to be measured is applied are disposed.

Description

脈波検出装置Pulse wave detector
　本発明は、検知部に押圧される被検体に光を照射し、被検体により反射された光を受光することにより、被検体の脈波を検出する脈波検出装置に関する。 The present invention relates to a pulse wave detection device that detects a pulse wave of a subject by irradiating the subject pressed by a detection unit with light and receiving light reflected by the subject.
　従来、発光部により指先に光を照射する発光部と、生体を経由した光を受光する受光部とにより、指先の脈波を検出する装置がある。脈波を正確に検出するためは、指先が、発光部と受光部とに適正範囲内の押圧力で押し付けられる必要がある。特許文献１の脈波検出装置では、発光部と受光部とが可動板の上面に配置され、荷重センサが可動板の下方に設けられる。これにより、脈波検出装置は、指先の押し下げ荷重が適正範囲内に収まっているか否かを判断することができる。脈波検出装置では、押し下げ荷重が、適正範囲外である場合は、押圧力の強弱を指示する表示が行われる。 2. Description of the Related Art Conventionally, there is an apparatus that detects a pulse wave of a fingertip by a light emitting unit that irradiates light on the fingertip with a light emitting unit and a light receiving unit that receives light that has passed through a living body. In order to accurately detect the pulse wave, the fingertip needs to be pressed against the light emitting unit and the light receiving unit with a pressing force within an appropriate range. In the pulse wave detection device of Patent Document 1, the light emitting unit and the light receiving unit are disposed on the upper surface of the movable plate, and the load sensor is provided below the movable plate. Thereby, the pulse wave detection device can determine whether or not the fingertip pressing load is within an appropriate range. In the pulse wave detection device, when the push-down load is outside the proper range, a display for instructing the strength of the pressing force is performed.
特開２００９－２０１８９５号公報JP 2009-201895 A
　しかしながら、特許文献１の脈波検出装置では、実際に使用するとき、測定者の指先の揺れや傾きの影響を受けて押圧力が安定しない。指先の脈波を正確に検出するためには安定して精度のよい押圧力の検出が必要であるが、従来の技術では押圧力が安定せず、結果として検出される脈波の精度が低いことが課題であった。 However, in the pulse wave detection device of Patent Document 1, when actually used, the pressing force is not stable due to the influence of the shaking and tilt of the fingertip of the measurer. In order to accurately detect the pulse wave of the fingertip, it is necessary to detect the pressing force stably and accurately. However, in the conventional technique, the pressing force is not stable, and the accuracy of the detected pulse wave is low. That was a challenge.
　本発明は、上述した問題点を解決するためになされたものであり、検出部にかかる被検体の押圧力の変化を安定して、細かく検知することが可能な脈波検出装置を提供することを目的とする。 The present invention has been made to solve the above-described problems, and provides a pulse wave detection device that can stably and finely detect a change in the pressing force of a subject applied to a detection unit. With the goal.
　請求項１記載の脈波検出装置は、測定対象に光を照射する発光部と、測定対象から反射される光を受光する受光部とを有する検知部と、前記検知部が、所定方向の一端側に設けられる検知部保持部材と、前記検知部保持部材の前記所定方向の他端側を固定に支持し、前記検知部保持部材を、所定の配置面と間隔を有して配置させる支持部と、前記検知部保持部材の前記一端側、且つ前記検知部が配置される位置より端部側において、前記検知部保持部材の前記検知部が設けられる面に対向する対向面と、前記配置面とに接触して配置され、前記検知部にかかる荷重量を、前記検知部保持部材と前記配置面との間隔の変位により測定する荷重検出部と、を備えることを特徴とする。 The pulse wave detection device according to claim 1, wherein the detection unit includes a light emitting unit that irradiates light to the measurement target, a light receiving unit that receives light reflected from the measurement target, and the detection unit has one end in a predetermined direction. A detection unit holding member provided on the side, and a support unit that fixedly supports the other end side of the detection unit holding member in the predetermined direction and arranges the detection unit holding member with a predetermined arrangement surface and an interval. And on the one end side of the detection unit holding member and on the end side from the position where the detection unit is arranged, a facing surface facing the surface on which the detection unit of the detection unit holding member is provided, and the arrangement surface And a load detection unit that measures a load applied to the detection unit by a displacement of a distance between the detection unit holding member and the arrangement surface.
　請求項２記載の脈波検出装置は、前記検知部保持部材の前記他端側において、前記対向面を支持する前記支持部と、前記対向面に沿う方向に配置される前記配置面と、を有する配置板を備え、前記検知部保持部材は、前記検知部を前記一端側に備え、前記荷重検出部は、前記一端側に、前記検知部保持部材の前記対向面と接触するように前記配置面に配置され、且つ、前記検知部保持部材の前記検知部が配置される位置より前記一端の端部側に備えることを特徴とする。 The pulse wave detection device according to claim 2, wherein, on the other end side of the detection unit holding member, the support unit that supports the facing surface, and the placement surface that is disposed in a direction along the facing surface. The detecting unit holding member includes the detecting unit on the one end side, and the load detecting unit is arranged on the one end side so as to contact the facing surface of the detecting unit holding member. It is arrange | positioned on the surface and it equips with the edge part side of the said one end from the position where the said detection part of the said detection part holding member is arrange | positioned, It is characterized by the above-mentioned.
　請求項３記載の脈波検出装置は、前記検知部保持部材は、前記検知部を所定面の前記一端側に備え、前記支持部を前記検知部が設けられる面と対向する前記対向面における前記
他端側に備え、前記荷重検出部を、前記対向面の前記一端側であって、且つ、前記検知部が配置される位置より端部側に備えることを特徴とする。 The pulse wave detection device according to claim 3, wherein the detection unit holding member includes the detection unit on the one end side of a predetermined surface, and the support unit on the facing surface facing the surface on which the detection unit is provided. The load detection unit is provided on the other end side, and the load detection unit is provided on the one end side of the facing surface and on the end side from the position where the detection unit is disposed.
　請求項４記載の脈波検出装置は、前記検知部保持部材の前記対向面を支持する前記支持部と、前記対向面に沿う方向に配置される前記配置面と、を有する配置板を備え、前記荷重検出部は、前記配置板の前記配置面と接触して、前記検知部保持部材の前記対向面に配置されることを特徴とする。 The pulse wave detection device according to claim 4 includes a placement plate having the support portion that supports the facing surface of the detection portion holding member, and the placement surface that is disposed in a direction along the facing surface, The load detection unit is disposed on the facing surface of the detection unit holding member in contact with the arrangement surface of the arrangement plate.
　請求項５記載の脈波検出装置は、前記検知部と、前記荷重検出部とのそれぞれが、前記検知部および前記荷重検出部による検知結果を取得する制御部と、導線により電気的に接続され、前記導線は、前記検知部保持部材の前記支持部が配置される位置より前記他端側から、前記検知部および前記荷重検出部へ配線されることを特徴とする。 The pulse wave detection device according to claim 5, wherein each of the detection unit and the load detection unit is electrically connected to a control unit for obtaining a detection result by the detection unit and the load detection unit by a lead wire. The conducting wire is wired from the other end side to the detection unit and the load detection unit from a position where the support unit of the detection unit holding member is disposed.
　請求項６記載の脈波検出装置は、前記検知部の前記発光部と前記受光部により、脈波を検出する脈波検出部と、検出された脈波が、所定の検出基準を満たしているか否かを判断する脈波判断部と、前記脈波判断部により、前記検出された脈波が前記検出基準を満たしていると判断されないとき、前記検知部にかかる荷重を強める、または弱める指示をする報知部と、前記脈波検出部は、前記脈波判断部により、前記検出された脈波が前記検出基準を満たしていると判断されないとき、前記検出基準を満たしていると判断されるまで、脈波を繰り返し検出し、前記脈波判断部により、前記検出された脈波が前記検出基準を満たしていると判断されたとき、前記検知部にかかる荷重量を、前記報知部が指示する荷重量の基準として記憶させる記憶制御部と、を備えることを特徴とする。 The pulse wave detection device according to claim 6, wherein the pulse wave detection unit that detects a pulse wave by the light emitting unit and the light receiving unit of the detection unit, and whether the detected pulse wave satisfies a predetermined detection criterion An instruction to increase or weaken the load applied to the detection unit when the pulse wave determination unit does not determine that the detected pulse wave satisfies the detection criterion. The notification unit and the pulse wave detection unit until the pulse wave determination unit determines that the detected pulse wave satisfies the detection criterion when it is not determined that the detection pulse wave satisfies the detection criterion. The pulse wave is repeatedly detected, and when the pulse wave determination unit determines that the detected pulse wave satisfies the detection criterion, the notification unit instructs the amount of load applied to the detection unit. Memorize it as a reference for load Characterized in that it comprises a control unit.
　請求項１記載の脈波検出装置は、検知部保持部材が、支持部と、荷重検出部とに接して配置される。このとき、検知部が一端側に設けられ、支持部が他端側に配置された検知部保持部材に対し、荷重検出部は、検知部が配置される位置より端部側に配置される。そのため、支点である支持部からの距離は、測定対象から荷重がかかる検知部までより、検知部保持部材にかかる圧力を検知する荷重検出部までが長い。検知部保持部材は、支持部と荷重検出部とにより接触されることにより、測定対象により検知部に荷重がかけられるとき、検知部保持部材が安定して支持された状態で、被検体は、検知部に安定して荷重をかけることができる。 In the pulse wave detection device according to claim 1, the detection unit holding member is disposed in contact with the support unit and the load detection unit. At this time, with respect to the detection unit holding member in which the detection unit is provided on one end side and the support unit is disposed on the other end side, the load detection unit is arranged on the end side from the position where the detection unit is arranged. Therefore, the distance from the support part which is a fulcrum is longer from the measurement object to the detection part to which the load is applied, to the load detection part for detecting the pressure applied to the detection part holding member. The detection unit holding member is contacted by the support unit and the load detection unit, and when a load is applied to the detection unit by the measurement target, the detection unit holding member is stably supported, A load can be stably applied to the detection unit.
　請求項２記載の脈波検出装置では、前記検知部保持部材の前記他端側に前記対向面を支持する支持部を有する配置板おいて、前記圧荷重検出部が、前記配置面の前記一端側に配置される。荷重検出部は、配置板に配置され、検知部保持部材の対向面と接触する。これにより、荷重検出部は、押圧されてかかる荷重により変位する検知部保持部材にかかる荷重量を、対向面から、確実に検知することができる。 The pulse wave detection device according to claim 2, wherein the pressure load detection unit is the one end of the arrangement surface in the arrangement plate having a support part that supports the opposing surface on the other end side of the detection unit holding member. Placed on the side. A load detection part is arrange | positioned at an arrangement | positioning board, and contacts the opposing surface of a detection part holding member. Thereby, the load detection part can detect reliably the load amount concerning the detection part holding member which is displaced by the load which is pressed and applied from an opposing surface.
　請求項３記載の脈波検出装置では、検知部保持部材が、検知部と、支持部と、荷重検出部とを備える。これにより、検知部保持部材に備えられた支持部を、任意の配置面に配置させて、検知部により測定対象から反射する光を検出することが可能である。 In the pulse wave detection device according to claim 3, the detection unit holding member includes a detection unit, a support unit, and a load detection unit. Thereby, the support part provided in the detection part holding member can be arrange | positioned on arbitrary arrangement | positioning surfaces, and it can detect the light reflected from a measuring object by a detection part.
　請求項４記載の脈波検出装置は、検知部保持部材の対向面に沿って配置面を有する配置板を備え、配置板に支持部が配置される。これにより、配置板に配置された支持部により、検知部保持部材が、配置面に対して位置決めされるため、検知部保持部材から荷重検出部にかかる荷重を適正に測定することができる。 The pulse wave detection device according to claim 4 includes an arrangement plate having an arrangement surface along an opposing surface of the detection unit holding member, and the support unit is arranged on the arrangement plate. Thereby, since a detection part holding member is positioned with respect to an arrangement | positioning surface by the support part arrange | positioned at the arrangement | positioning board, the load concerning a load detection part from a detection part holding member can be measured appropriately.
　請求項５記載の脈波検出装置は、被検体から検知部に荷重がかけられると、検知部保持部材は、支持部を支点として、配置面に向かう方向に撓む。検出部保持部材において、撓
み量は、検知部及び荷重検出部が配置される一端側が、支持部が愛知される他端側より大きい。請求項５記載の脈波検出装置では、検知部と荷重検出部とを、制御部と電気的に接続する導線が、検知部保持部材において、支持部より更に他端側から配線される。検知部保持部材において、制御部と電気的に接続する導線が、撓み量が少ない他端側から配線されることにより、脈波検出装置の使用回数の増加に伴う導線の破損を防ぐことができる。 In the pulse wave detection device according to the fifth aspect, when a load is applied from the subject to the detection unit, the detection unit holding member bends in a direction toward the arrangement surface with the support unit as a fulcrum. In the detection unit holding member, the amount of bending is larger at one end side where the detection unit and the load detection unit are arranged than at the other end side where the support unit is cherished. In the pulse wave detection device according to the fifth aspect, the conducting wire that electrically connects the detection unit and the load detection unit to the control unit is wired from the other end side further than the support unit in the detection unit holding member. In the detection unit holding member, the conductive wire that is electrically connected to the control unit is wired from the other end side with a small amount of bending, thereby preventing the breakage of the conductive wire due to an increase in the number of times the pulse wave detector is used. .
　請求項６記載の脈波検出装置は、脈波検出部と、脈波判断部と、報知部と、記憶制御部とを備える。脈波が、脈波判断部により検出基準を満たしていると判断されないとき、圧力を強めるまたは弱める指示をし、検出基準を満たすと判断されるまで、繰り返し検出される。そして、脈波判断部により所定の検出基準を満たす脈波が判断されたときの荷重量が、基準の荷重量として記憶される。所定の基準を満たす脈波が検出されるまで、荷重の強弱を指示し、繰り返し検出し、且つ、脈波が判断される荷重量を、基準として記憶することにより、確実に、脈波が検出可能な圧力基準に基づいて、荷重の強弱が調整された状態の脈波を検出することができる。 The pulse wave detection device according to claim 6 includes a pulse wave detection unit, a pulse wave determination unit, a notification unit, and a storage control unit. When the pulse wave is not determined by the pulse wave determination unit to meet the detection criterion, the pulse wave is instructed to increase or decrease the pressure and is repeatedly detected until it is determined that the detection criterion is satisfied. The load amount when the pulse wave determination unit determines a pulse wave that satisfies a predetermined detection criterion is stored as a reference load amount. Until a pulse wave satisfying a predetermined standard is detected, the intensity of the load is instructed, repeatedly detected, and the load amount at which the pulse wave is judged is stored as a reference, so that the pulse wave is reliably detected. Based on a possible pressure standard, it is possible to detect a pulse wave in a state where the strength of the load is adjusted.
第１実施形態の脈波検出装置１の全体構成を分解して示す斜視図である。It is a perspective view which decomposes | disassembles and shows the whole structure of the pulse-wave detection apparatus 1 of 1st Embodiment. 脈波検出装置１の電気的構成を示すブロック図である。2 is a block diagram showing an electrical configuration of the pulse wave detection device 1. FIG. 脈波検出装置１を前方から視た側面図である。It is the side view which looked at the pulse wave detection apparatus 1 from the front. 脈波検出装置１を右側面から視た図である。It is the figure which looked at the pulse-wave detection apparatus 1 from the right side surface. 脈波検出装置１の脈波検出処理を示すフローチャートである。4 is a flowchart showing a pulse wave detection process of the pulse wave detection device 1. 第２実施形態の脈波検出装置２００の全体構成を示す斜視図である。It is a perspective view which shows the whole structure of the pulse wave detection apparatus 200 of 2nd Embodiment. 第３実施形態の脈波検出装置３００の全体構成を示す斜視図である。It is a perspective view which shows the whole structure of the pulse-wave detection apparatus 300 of 3rd Embodiment.
　以下、本発明に係る脈波検出装置の実施形態を、第１実施形態の例を用いて説明する。まず、第１実施形態に係る脈波検出装置１を、図１～図５を用いて説明する。図１は、第１実施形態の脈派検出装置１の全体構成を示す斜視図である。脈波検出装置１は、２つの発光素子からなる発光部１１と、受光素子からなる受光部１２と、保持板１３と、配置板１４と、圧力センサ１５と、報知部１６と、回路基板２０と、導線ケーブル５とを備える。発光部１１と受光部とは、回路基板２０に載置される。発光素子１１は、光を発光する一対のＬＥＤである。受光素子１２は、光を受光するフォトダイオードである。報知部１６は、赤色ＬＥＤと、黄色ＬＥＤと、黄緑色ＬＥＤとである。発光部１１と、受光部１２と、報知部１６とは、保持板１３の面上に配置される。保持板１３は、長方形状の平板である。配置板１４は、長方形状の平板を有する。脈波検出装置１の発光部１１と、受光部１２と、圧力センサ１５と、報知部１６は、後述する制御装置２と導線ケーブル５により電気的に接続される。第１実施形態では、図１に示すように、保持板１３の発光素子が配置される面であって、発光部１１の発光素子の発光方向を上方向とし、保持板１３の受光部１２が配置されない面を、下方向とする。保持板１３の長辺方向を、左右方向とし、保持板１３の短辺方向を、前後方向とする。 Hereinafter, an embodiment of a pulse wave detection device according to the present invention will be described using an example of the first embodiment. First, the pulse wave detection device 1 according to the first embodiment will be described with reference to FIGS. FIG. 1 is a perspective view showing the overall configuration of the pulse detection device 1 of the first embodiment. The pulse wave detection device 1 includes a light emitting unit 11 composed of two light emitting elements, a light receiving unit 12 composed of a light receiving element, a holding plate 13, a placement plate 14, a pressure sensor 15, a notification unit 16, and a circuit board 20. And a conductive wire cable 5. The light emitting unit 11 and the light receiving unit are placed on the circuit board 20. The light emitting element 11 is a pair of LEDs that emit light. The light receiving element 12 is a photodiode that receives light. The alerting | reporting part 16 is red LED, yellow LED, and yellow-green LED. The light emitting unit 11, the light receiving unit 12, and the notification unit 16 are disposed on the surface of the holding plate 13. The holding plate 13 is a rectangular flat plate. The arrangement plate 14 has a rectangular flat plate. The light emitting unit 11, the light receiving unit 12, the pressure sensor 15, and the notification unit 16 of the pulse wave detection device 1 are electrically connected by a control device 2 and a conductive wire cable 5 described later. In the first embodiment, as shown in FIG. 1, the light emitting element of the holding plate 13 is arranged on the surface, the light emitting direction of the light emitting element of the light emitting unit 11 is the upward direction, and the light receiving unit 12 of the holding plate 13 is The non-arranged surface is the downward direction. The long side direction of the holding plate 13 is the left-right direction, and the short side direction of the holding plate 13 is the front-back direction.
　保持板１３の上面には、左端に、発光部１１と受光部１２とが配置される。配置板１４の上面には、左端において前後方向のほぼ中央に、圧力センサ１５が設けられ、右端に、支持部１４Ａが形成される。配置板１４には、上面の右端に、前後方向の端部に２つの支持部１４Ａが形成される。支持部１４Ａの上端が、配置部１４に設けられた圧力センサ１５の上端と同じ高さに位置される。言い換えれば、配置部１４の底面から圧力センサ１５の上端までの高さと、配置板１４の底面から支持部１４Ａそれぞれの上端までの高さは等しい。保持板１３が、配置板１４の上方に配置されるとき、圧力センサ１５の上端と、支持部１４Ａの上端とが、配置板１４の下面と接する。これにより、保持部１３は、右端において前後方向の中央に配置された圧力センサ１５の上端と、右端において前後方向の端
部に配置された２つの支持部１４Ａの上端とにより、配置板１４の底面に対して平行に支持される。保持部１３は、圧力センサ１５の上端と、２つの支持部１４Ａの上端とにより、高さが同一の３点により支持される。発光部１１と受光部１２とは、保持部３において、２つの支持部１４Ａと、圧力センサ１５とより、中央に配置されるため、測定指により押圧される場合に、安定する。左右方向において、発光部１１及び受光部１２と、圧力センサ１５とが配置される位置関係については、支持部１４Ａから圧力センサ１５の中心までの距離が、支持部１４Ａから発光部１１及び受光部１２の中心までの距離以上であればよい。 On the upper surface of the holding plate 13, the light emitting unit 11 and the light receiving unit 12 are arranged at the left end. On the upper surface of the arrangement plate 14, a pressure sensor 15 is provided at a substantially center in the front-rear direction at the left end, and a support portion 14 </ b> A is formed at the right end. Two support portions 14A are formed on the arrangement plate 14 at the right end of the upper surface and at the end portions in the front-rear direction. The upper end of the support portion 14 </ b> A is positioned at the same height as the upper end of the pressure sensor 15 provided in the arrangement portion 14. In other words, the height from the bottom surface of the placement portion 14 to the upper end of the pressure sensor 15 is equal to the height from the bottom surface of the placement plate 14 to the upper end of each support portion 14A. When the holding plate 13 is disposed above the arrangement plate 14, the upper end of the pressure sensor 15 and the upper end of the support portion 14 </ b> A are in contact with the lower surface of the arrangement plate 14. Thereby, the holding | maintenance part 13 is the upper end of the pressure sensor 15 arrange | positioned in the center of the front-back direction in the right end, and the upper end of the two support parts 14A arrange | positioned in the end part of the front-back direction in the right end. Supported parallel to the bottom surface. The holding portion 13 is supported by three points having the same height by the upper end of the pressure sensor 15 and the upper ends of the two support portions 14A. Since the light emitting unit 11 and the light receiving unit 12 are arranged in the center of the holding unit 3 by the two support units 14A and the pressure sensor 15, the light emitting unit 11 and the light receiving unit 12 are stable when pressed by a measuring finger. Regarding the positional relationship in which the light emitting unit 11 and the light receiving unit 12 and the pressure sensor 15 are arranged in the left-right direction, the distance from the support unit 14A to the center of the pressure sensor 15 is the distance from the support unit 14A to the light emitting unit 11 and the light receiving unit. The distance to the center of 12 may be more than the distance.
　本実施形態において使用する圧力センサは、絶縁性の樹脂材料に、導電性粒子がほぼ均等に分散されて形成されている。圧力センサは、押圧されることにより、樹脂材料内に分散された導電性粒子が導通し、電気抵抗値が下がる構造である。圧力センサ１５は、圧力センサ１５にかかる負荷に対して、電気抵抗値がほぼ反比例して減少する電気特性を示す。このため、圧力センサにかかる負荷が小さいほど、所定の圧力範囲における電気抵抗値の変化は大きく、負荷が大きいほど、所定の圧力範囲における電気抵抗値の変化が小さい。すなわち、圧力センサ１５は、低負荷側で、電気抵抗値の変化を検出しやすい特性がある。 The pressure sensor used in this embodiment is formed by dispersing conductive particles almost uniformly in an insulating resin material. The pressure sensor has a structure in which, when pressed, the conductive particles dispersed in the resin material conduct and the electric resistance value decreases. The pressure sensor 15 exhibits an electrical characteristic in which the electrical resistance value decreases almost in inverse proportion to the load applied to the pressure sensor 15. For this reason, the smaller the load applied to the pressure sensor, the larger the change in the electric resistance value in the predetermined pressure range, and the larger the load, the smaller the change in the electric resistance value in the predetermined pressure range. That is, the pressure sensor 15 has a characteristic that it is easy to detect a change in the electric resistance value on the low load side.
　図２は、脈波検出装置１に設けられる発光部１１と受光部１２と圧力センサ１５と、回路基板２０との電気的構成を示すブロック図である。脈波検出装置１には、前述のように、発光部１１と受光部１２と圧力センサ１５とが設けられる。脈波検出装置１の発光部１２と圧力センサ１５とは、回路基板２０と電気的に接続される。回路基板２０は、具体的には、脈波検出回路部２１と、Ａ／Ｄ変換回路部２４と、制御回路部２５と、入出力インタフェース３０とを備える。脈波検出装置１の受光部１１は、制御装置２の脈波検出回路部２１と電気的に接続される。脈波検出回路部２１は、電流電圧変換回路２２と、増幅回路２３とから構成される。電流電圧変換回路２２は、受光部１２が出力する電流信号を電圧信号に変換する。増幅回路２３は、電流電圧変換回路２２から出力された電圧信号を増幅する。Ａ／Ｄ変換回路部２４は、増幅回路２３から出力されたアナログ信号をデジタル信号に変換する回路である。制御回路部２５は、ＣＰＵ２６と、ＲＡＭ２７と、ＲＯＭ２８と、タイマー２９とから構成される。入出力インタフェース３０は、汎用のＰＣ３５と接続される。 FIG. 2 is a block diagram illustrating an electrical configuration of the light emitting unit 11, the light receiving unit 12, the pressure sensor 15, and the circuit board 20 provided in the pulse wave detection device 1. The pulse wave detection device 1 is provided with the light emitting unit 11, the light receiving unit 12, and the pressure sensor 15 as described above. The light emitting unit 12 and the pressure sensor 15 of the pulse wave detection device 1 are electrically connected to the circuit board 20. Specifically, the circuit board 20 includes a pulse wave detection circuit unit 21, an A / D conversion circuit unit 24, a control circuit unit 25, and an input / output interface 30. The light receiving unit 11 of the pulse wave detection device 1 is electrically connected to the pulse wave detection circuit unit 21 of the control device 2. The pulse wave detection circuit unit 21 includes a current-voltage conversion circuit 22 and an amplifier circuit 23. The current-voltage conversion circuit 22 converts the current signal output from the light receiving unit 12 into a voltage signal. The amplifier circuit 23 amplifies the voltage signal output from the current-voltage conversion circuit 22. The A / D conversion circuit unit 24 is a circuit that converts the analog signal output from the amplifier circuit 23 into a digital signal. The control circuit unit 25 includes a CPU 26, a RAM 27, a ROM 28, and a timer 29. The input / output interface 30 is connected to a general-purpose PC 35.
　回路基板２０には、保持板１３の右側面から嵌挿された導線ケーブル５の一端が固定される。導線ケーブル５は、図示外の電源から電力を供給する電線と、受光部１１と発光部１２とに光制御信号を送受信する制御信号線と、圧力センサ１５からの圧力信号を送信する圧力信号線を少なくとも含む。導線ケーブル５の配線は、回路基板２０のパターン上に半田付けされている。導線ケーブル５は、支持部１４Ａにより右端が支持された保持板１３に対し、右側面から配線されている。脈波検出装置１が使用されるとき、保持板１３は、上方から測定指により下方へ押圧される。このとき、保持板１３は、指示部１４Ａを支点として、下方へ変位する。保持板１３が押圧されるとき、保持板１３の左端は、下方へ大きく変位するが、右端は、支持されているためあまり変位しない。導線ケーブル５は、保持板１３の右端側から配線されていることにより、脈波検出装置１の使用回数が増加して保持板１３の変位回数が増加しても、断線する可能性を抑制することができる。 The circuit board 20 is fixed with one end of the conductive cable 5 inserted from the right side surface of the holding plate 13. The lead wire cable 5 includes an electric wire that supplies power from a power source (not shown), a control signal line that transmits and receives a light control signal to the light receiving unit 11 and the light emitting unit 12, and a pressure signal line that transmits a pressure signal from the pressure sensor 15. At least. The wiring of the conductor cable 5 is soldered onto the pattern of the circuit board 20. The conducting wire cable 5 is wired from the right side to the holding plate 13 whose right end is supported by the support portion 14A. When the pulse wave detection device 1 is used, the holding plate 13 is pressed downward by a measuring finger from above. At this time, the holding plate 13 is displaced downward with the instruction portion 14A as a fulcrum. When the holding plate 13 is pressed, the left end of the holding plate 13 is greatly displaced downward, but the right end is not so displaced because it is supported. Since the lead wire cable 5 is wired from the right end side of the holding plate 13, even if the number of times the pulse wave detection device 1 is used and the number of displacements of the holding plate 13 is increased, the possibility of disconnection is suppressed. be able to.
　ＲＯＭ２８は、各種のプログラムを記憶させておくものであり、後述の脈波を検出する脈波検出処理等の各種プログラムが記憶されている。ＲＯＭ２８には、発光部１１および受光部１２を押圧する測定指の指先の脈波検出に適した圧力閾値（脈波計測閾値）Ｔ１等が予め記憶されている。ＲＯＭ２８には、圧力閾値Ｔ１として、所定の圧力閾値が記憶される場合のほか、各個人ごとに、脈波検出が可能な圧力閾値が、ユーザ情報と対応付けて記憶されてもよい。そして、ＣＰＵ２６は、かかるＲＯＭ２８に記憶されている各種のプ
ログラムに基づいて各種の演算及び制御を行なうものである。 The ROM 28 stores various programs, and stores various programs such as a pulse wave detection process for detecting a pulse wave described later. The ROM 28 stores in advance a pressure threshold value (pulse wave measurement threshold value) T1 and the like suitable for detecting the pulse wave of the fingertip of the measurement finger that presses the light emitting unit 11 and the light receiving unit 12. In addition to the case where a predetermined pressure threshold is stored as the pressure threshold T1, the ROM 28 may store a pressure threshold capable of detecting a pulse wave in association with user information for each individual. The CPU 26 performs various calculations and controls based on various programs stored in the ROM 28.
　図３は、脈波検出装置１を図１の前方から視た側面図である。図４は、脈波検出装置１を図１の右方から視た側面図である。図２に示すように、配置板１４に設けられた圧力センサ１５は、保持板１３の上面における発光部１１と受光部１２とが配置された位置より、左方向の端部側に配置される。脈波検出装置１が使用されるとき、被検体である測定指が、発光部１１および受光部１２に載置される。発光部１１により発光される光のうち、測定指の血管まで到達し、反射した光が、受光部１２により受光される。脈波検出装置１では、受光部１２により受光される光が、所定のアルゴリズムに従って解析されることにより、脈波が検出される。このとき、脈波検出装置１により測定指の脈波を正確に検出するために、測定指が、発光部１１および受光部１２を、負荷をかけて押圧する必要がある。 FIG. 3 is a side view of the pulse wave detection device 1 viewed from the front of FIG. FIG. 4 is a side view of the pulse wave detection device 1 as viewed from the right side of FIG. As shown in FIG. 2, the pressure sensor 15 provided on the arrangement plate 14 is arranged on the end side in the left direction from the position where the light emitting unit 11 and the light receiving unit 12 are arranged on the upper surface of the holding plate 13. . When the pulse wave detection device 1 is used, a measurement finger that is a subject is placed on the light emitting unit 11 and the light receiving unit 12. Of the light emitted by the light emitting unit 11, the light that reaches the blood vessel of the measurement finger and is reflected is received by the light receiving unit 12. In the pulse wave detection device 1, the light received by the light receiving unit 12 is analyzed according to a predetermined algorithm to detect a pulse wave. At this time, in order for the pulse wave detection device 1 to accurately detect the pulse wave of the measurement finger, the measurement finger needs to press the light emitting unit 11 and the light receiving unit 12 under load.
　測定指が、負荷をかけて発光部１１と受光部１２とを押圧すると、受光部１２と発光部１１とが、上方から、測定指により押圧されることにより、保持板１３が下方に移動し、圧力センサ１５に負荷がかかる。圧力センサ１５は、発光部１１と受光部１２とが配置された保持板１３が、測定指により押下されることによって、上方向から圧力が加えられ、下方向へ凹む構成である。保持板１３の下面と接触する圧力センサ１５の上端は、保持板１３からに圧力が加えられることにより、下方に変位する。この結果、保持板１３と、配置板１４との間隔が変化する。 When the measuring finger applies a load and presses the light emitting unit 11 and the light receiving unit 12, the light receiving unit 12 and the light emitting unit 11 are pressed from above by the measuring finger, so that the holding plate 13 moves downward. The pressure sensor 15 is loaded. The pressure sensor 15 is configured such that when the holding plate 13 on which the light emitting unit 11 and the light receiving unit 12 are arranged is pressed by a measuring finger, pressure is applied from above and is recessed downward. The upper end of the pressure sensor 15 in contact with the lower surface of the holding plate 13 is displaced downward when pressure is applied from the holding plate 13. As a result, the distance between the holding plate 13 and the arrangement plate 14 changes.
　脈波検出装置１では、圧力センサ１５は、支点である支持部１４Ａからの距離が、受光部１１と発光部１２とが配置される位置より遠い位置に配置される。そのため、受光部１１と発光部１２とが押圧されたとき、右端にある支持部１４Ａを支点とした保持板１３では、押下された位置である受光部１１と発光部１２とが配置される位置より、左端にある圧力センサ１５との接点である位置において、受光部にかかる負荷よりも、少ない負荷で大きく変位する。圧力センサ１５は、保持板１３の受光部にかかる負荷よりも少ない負荷で大きく変位する位置と接触し、保持板１３への押圧力を受けることにより、押圧力の変化を、細かく検知することができる。 In the pulse wave detection device 1, the pressure sensor 15 is disposed at a position farther from the position where the light receiving unit 11 and the light emitting unit 12 are disposed from the support unit 14A that is a fulcrum. Therefore, when the light receiving unit 11 and the light emitting unit 12 are pressed, the holding plate 13 with the support unit 14A at the right end as a fulcrum is a position where the light receiving unit 11 and the light emitting unit 12 that are pressed are arranged. Thus, at a position that is a contact point with the pressure sensor 15 at the left end, the position is greatly displaced with a smaller load than the load applied to the light receiving unit. The pressure sensor 15 is in contact with a position that is largely displaced with a load less than the load applied to the light receiving portion of the holding plate 13 and receives a pressing force to the holding plate 13, thereby detecting the change in the pressing force finely. it can.
　脈波検出装置１は、受光部１１により、測定対象である測定指の血管により反射された光を受光して、測定指の脈波を検出する装置である。測定指の脈波を測定するとき、受光部１１は、反射された光を所定時間連続して受光する必要がある。反射された光を連続して受光するため、受光部１１および発光部１２に対して押圧される力は、精度が求められる。所定時間の受光中は、押圧力が変化しないことが望ましい。また、測定指の脈波を測定するための光を受光するために必要な押圧力は、測定指により個体差が存在する。本実施形態では、圧力センサ１５が、押圧力の変化を細かく検知することができる構成であるため、測定指の脈波を検出するために必要な押圧力を精度よく検知することができる。 The pulse wave detection device 1 is a device that receives light reflected by a blood vessel of a measurement finger that is a measurement target by the light receiving unit 11 and detects a pulse wave of the measurement finger. When measuring the pulse wave of the measuring finger, the light receiving unit 11 needs to receive the reflected light continuously for a predetermined time. In order to continuously receive the reflected light, the force pressed against the light receiving unit 11 and the light emitting unit 12 requires accuracy. It is desirable that the pressing force does not change during light reception for a predetermined time. Further, the pressing force necessary to receive the light for measuring the pulse wave of the measuring finger has individual differences depending on the measuring finger. In the present embodiment, since the pressure sensor 15 has a configuration capable of finely detecting changes in the pressing force, it is possible to accurately detect the pressing force necessary for detecting the pulse wave of the measuring finger.
　図５は、ＣＰＵ２６により実行される脈波検出装置１の脈波検出処理の処理手順を示すフローチャートである。ＣＰＵ２６は、ＲＯＭ２８に記憶されたプログラムに従って、図５に示すステップＳ１～ステップＳ８の脈波検出処理を実行する。脈波検出処理は、脈波検出装置１の電源がＯＮとなったとき、開始される。 FIG. 5 is a flowchart showing the processing procedure of the pulse wave detection process of the pulse wave detection device 1 executed by the CPU 26. The CPU 26 executes the pulse wave detection process in steps S1 to S8 shown in FIG. 5 according to the program stored in the ROM 28. The pulse wave detection process is started when the power of the pulse wave detection device 1 is turned on.
　脈波検出処理が開始されると、図５に示すように、ＣＰＵ２６は、圧力センサ１５の出力信号に基づき、圧力が所定範囲内であるか否かを判断する（Ｓ１）。所定範囲は、例えば、５０ｇｆ以上、５００ｇｆ以下の範囲である。なお、圧力センサ１５が出力する圧力信号は、保持板１３に置かれたユーザの指が下方向に保持板１３を押す圧力によって変化する。圧力が所定範囲でない場合（Ｓ１：ＮＯ）、ＣＰＵ２６は、圧力が所定範囲内でないことを示す判断結果を、報知部１６により報知する（Ｓ２）。Ｓ２では、ＣＰＵ２６は、圧力が所定範囲内でないことを示す判断結果を報知部１６に報知させる信号を出力する。例えば、圧力が所定範囲でないとき、赤色ＬＥＤを発光させる信号を出力する。本実施形態では、報知部１６は、ＬＥＤにより構成される例を示したが、ディスプレイであってもよい。報知部１６がディスプレイである場合、信号に従って、ディスプレイは、圧力が所定範囲内でないことを示す判断結果を表示する。例えば、「指で押す圧力が適正範囲ではありません。」などの文字が、判断結果としてディスプレイに表示される。 When the pulse wave detection process is started, as shown in FIG. 5, the CPU 26 determines whether or not the pressure is within a predetermined range based on the output signal of the pressure sensor 15 (S1). The predetermined range is, for example, a range of 50 gf or more and 500 gf or less. The pressure signal output from the pressure sensor 15 changes depending on the pressure with which the user's finger placed on the holding plate 13 pushes the holding plate 13 downward. When the pressure is not within the predetermined range (S1: NO), the CPU 26 notifies the determination unit 16 that the pressure is not within the predetermined range (S2). In S <b> 2, the CPU 26 outputs a signal that causes the notification unit 16 to notify the determination result indicating that the pressure is not within the predetermined range. For example, when the pressure is not within a predetermined range, a signal for causing the red LED to emit light is output. In this embodiment, although the alerting | reporting part 16 showed the example comprised by LED, a display may be sufficient. When the notification unit 16 is a display, the display displays a determination result indicating that the pressure is not within a predetermined range according to the signal. For example, characters such as “the pressure pressed by the finger is not in the proper range” are displayed on the display as the determination result.
　圧力が適正範囲内である場合（Ｓ１：ＹＥＳ）、ＣＰＵ２６は、圧力が所定範囲内であることを示す判断結果を、報知部１６により報知することによって報知する(Ｓ３）。
Ｓ３では、ＣＰＵ２６は、圧力が所定範囲内であることを示す判断結果を報知部１６に報知させる信号を出力する。この信号を入力した報知部１６は、圧力が所定範囲内でないことを示す判断結果を表示する。例えば、ＣＰＵ２６は、黄色ＬＥＤを発光させる信号を出力し、報知部１６は、黄色ＬＥＤを発光させる。また、報知部１６がディスプレイにより構成される場合は、「指で押す圧力が適正範囲です。」などの文字が、判断結果としてディスプレイに表示される。次いで、ＣＰＵ２６は、受光部１２において受光された反射光を含む光の強度と、圧力センサ１５の出力信号に基づく圧力とを所定時間の間測定する（Ｓ４）。所定時間は、例えば、１０秒である。なお、ＣＰＵ２６は、この所定時間内において所定間隔で測定した光の強度のデータと圧力のデータとを対応付けてＲＡＭ２７に記憶する。所定間隔は、例えば１秒である。 When the pressure is within the appropriate range (S1: YES), the CPU 26 notifies the determination result indicating that the pressure is within the predetermined range by notifying the notification unit 16 (S3).
In S3, the CPU 26 outputs a signal that causes the notification unit 16 to notify the determination result indicating that the pressure is within the predetermined range. The notification unit 16 having received this signal displays a determination result indicating that the pressure is not within the predetermined range. For example, the CPU 26 outputs a signal for causing the yellow LED to emit light, and the notification unit 16 causes the yellow LED to emit light. In addition, when the notification unit 16 is configured by a display, characters such as “the pressure pressed with a finger is in an appropriate range” are displayed on the display as a determination result. Next, the CPU 26 measures the intensity of light including the reflected light received by the light receiving unit 12 and the pressure based on the output signal of the pressure sensor 15 for a predetermined time (S4). The predetermined time is, for example, 10 seconds. The CPU 26 stores the light intensity data and the pressure data measured at predetermined intervals within the predetermined time in the RAM 27 in association with each other. The predetermined interval is, for example, 1 second.
　次いで、ＣＰＵ２６は、Ｓ４において所定時間測定した光の強度のデータと圧力のデータとを参照し、圧力が所定範囲内であると判断した期間に受光部１２において受光された光に基づき、脈波を検出する（Ｓ５）。Ｓ５では、ＣＰＵ２６は、Ｓ４において測定した所定時間の圧力のデータについて、所定範囲内の圧力であるか否かを判断する。ＣＰＵ２６は、圧力が所定範囲内であると判断した期間における光の強度を特定する。ＣＰＵ２６は特定した光の強度に基づき、脈波を検出する。 Next, the CPU 26 refers to the light intensity data and the pressure data measured in S4 for a predetermined time, and based on the light received by the light receiving unit 12 during the period when the pressure is determined to be within the predetermined range, the pulse wave Is detected (S5). In S5, the CPU 26 determines whether or not the pressure data for a predetermined time measured in S4 is a pressure within a predetermined range. The CPU 26 specifies the light intensity during the period when the pressure is determined to be within the predetermined range. The CPU 26 detects a pulse wave based on the specified light intensity.
　次いで、ＣＰＵ２６は、Ｓ５において検出した脈波に基づき、生体情報を生成する（Ｓ６）。生体情報は、例えば、脈波の波形、血圧値、脈拍数、不整脈であるか否かの評価、又は血管年齢特性等である。血管年齢特性とは、年齢に応じて変化する血管の状態であり、例えば、血管の硬さである。ＣＰＵ２６は、周知の演算方法によって脈波から生体情報を生成する。なお、生成する生体情報は、複数種類であってもよいし、１種類であってもよい。 Next, the CPU 26 generates biological information based on the pulse wave detected in S5 (S6). The biological information is, for example, a pulse wave waveform, a blood pressure value, a pulse rate, an evaluation of whether the pulse is arrhythmia, a blood vessel age characteristic, or the like. The blood vessel age characteristic is a state of a blood vessel that changes according to age, and is, for example, the hardness of the blood vessel. The CPU 26 generates biological information from the pulse wave by a known calculation method. The biometric information to be generated may be plural types or one type.
　ステップＳ７では、ステップＳ１において所定範囲と判断された圧力であって、圧力センサにより検出された圧力が、圧力範囲の下限または上限としてＲＡＭ２７に更新して記憶される。 In step S7, the pressure determined as the predetermined range in step S1 and detected by the pressure sensor is updated and stored in the RAM 27 as the lower limit or upper limit of the pressure range.
　ステップＳ１４では、ステップＳ６またはステップＳ１０の処理において検出された脈波などの生体情報が、脈波検出装置１と接続されたＰＣ３５へ出力される。脈波が出力される先は、図示しない汎用の表示装置などであってもよい。 In step S14, biological information such as a pulse wave detected in the process of step S6 or step S10 is output to the PC 35 connected to the pulse wave detection device 1. The destination to which the pulse wave is output may be a general-purpose display device (not shown).
　次に、第２実施形態に係る脈波検出装置２００の構成を、図６を用いて説明する。上述した第１実施形態の脈波検出装置１では、圧力センサ１５は、配置板１４の上面に載置され、上端が保持板１３と接触した構成である。一方、図６に示す第２実施形態の脈波検出装置２００は、圧力センサ２１５の配置が、第１実施形態とは異なる構成である。第２実施形態の脈波検出装置２００は、第１実施形態の脈波検出装置１に対して、圧力センサ２１５の配置が異なるのみであるため、他の同一の構成については説明を省略する。 Next, the configuration of the pulse wave detection device 200 according to the second embodiment will be described with reference to FIG. In the pulse wave detection device 1 of the first embodiment described above, the pressure sensor 15 is placed on the upper surface of the arrangement plate 14 and the upper end is in contact with the holding plate 13. On the other hand, in the pulse wave detection device 200 of the second embodiment shown in FIG. 6, the arrangement of the pressure sensor 215 is different from that of the first embodiment. The pulse wave detection device 200 according to the second embodiment is different from the pulse wave detection device 1 according to the first embodiment only in the arrangement of the pressure sensor 215, and thus the description of other identical configurations is omitted.
　図６に示すように、脈波検出装置２００では、圧力センサ２１５は、保持板１３の下面
に、第１実施形態とは上下方向を逆にして、配置される。圧力センサ２１５は、その底面が、保持板１３の下面であって、且つ、受光部１１と発光部１２とが配置される位置より左端部側に配置される。そして、圧力センサ２１５は、圧力を検知する頂点が、配置板１４と接触するように配置される。 As shown in FIG. 6, in the pulse wave detection device 200, the pressure sensor 215 is disposed on the lower surface of the holding plate 13 with the vertical direction reversed from that of the first embodiment. The bottom surface of the pressure sensor 215 is the lower surface of the holding plate 13 and is disposed on the left end side from the position where the light receiving unit 11 and the light emitting unit 12 are disposed. And the pressure sensor 215 is arrange | positioned so that the vertex which detects a pressure may contact the arrangement | positioning board 14. FIG.
　次に、第３実施形態に係る脈波検出装置３００の構成を、図７を用いて説明する。上述した第１実施形態の脈波検出装置１では、圧力センサ１５は、配置板１４の上面に載置され、上端が保持板１３と接触した構成である。一方、図７に示す第３実施形態の脈波検出装置３００は、圧力センサ３１５の配置が、第１実施形態とは異なる構成である。また、上述した第１実施形態の脈波検出装置１では、支持部１４Ａは、配置板１４に設けられ、保持板１３と接触するように配置されていた。一方、図７に示す第３実施形態の脈波検出装置３００は、支持部３１４Ａの位置が、第１実施形態とは異なる構成である。第３実施形態の脈波検出装置３００は、第１実施形態の脈波検出装置１に対して、圧力センサ３１５の配置および支持部３１４Ａの配置が異なるのみであるため、他の同一の構成については説明を省略する。 Next, the configuration of the pulse wave detection device 300 according to the third embodiment will be described with reference to FIG. In the pulse wave detection device 1 of the first embodiment described above, the pressure sensor 15 is placed on the upper surface of the arrangement plate 14 and the upper end is in contact with the holding plate 13. On the other hand, the pulse wave detection device 300 of the third embodiment shown in FIG. 7 has a configuration in which the arrangement of the pressure sensor 315 is different from that of the first embodiment. Further, in the pulse wave detection device 1 of the first embodiment described above, the support portion 14 </ b> A is provided on the arrangement plate 14 and arranged so as to contact the holding plate 13. On the other hand, the pulse wave detection device 300 of the third embodiment shown in FIG. 7 has a configuration in which the position of the support portion 314A is different from that of the first embodiment. The pulse wave detection device 300 according to the third embodiment is different from the pulse wave detection device 1 according to the first embodiment only in the arrangement of the pressure sensor 315 and the arrangement of the support portion 314A. Will not be described.
　図７に示すように、脈波検出装置３００では、圧力センサ３１５は、保持板１３の下面に、第１実施形態とは上下方向を逆にして、配置される。圧力センサ３１５は、その底面が、保持板１３の下面であって、且つ、受光部１１と発光部１２とが配置される位置より左端部側に配置される。そして、圧力センサ３１５は、圧力を検知する頂点が、配置板１４と接触するように配置される。また、図７に示すように、脈波検出装置３００では、支持部３１４Ａは、保持板３１３の下面に、第１実施形態とは上下方向を逆にして、設けられる。脈波検出装置３００では、２つの支持部３１４Ａが、保持板３１３の下面であって、右端部の前後方向に配置される。そして、支持部３１４Ａは、下端が、配置板１４と接触するように配置される。このとき、脈波検出装置３００は、保持板３１３に、支持部３１４Ａと、圧力センサ３１５とが配置されるため、配置板１４を備えない構成であってもよい。脈波検出装置３００は、支持部３１４Ａの下端と、圧力センサ３１５の圧力を検知する頂点である下端とが、平面に配置されればよい。 As shown in FIG. 7, in the pulse wave detection device 300, the pressure sensor 315 is disposed on the lower surface of the holding plate 13 with the vertical direction reversed from that of the first embodiment. The bottom surface of the pressure sensor 315 is the lower surface of the holding plate 13 and is arranged on the left end side from the position where the light receiving unit 11 and the light emitting unit 12 are arranged. And the pressure sensor 315 is arrange | positioned so that the vertex which detects a pressure may contact the arrangement | positioning board 14. FIG. As shown in FIG. 7, in the pulse wave detection device 300, the support portion 314 </ b> A is provided on the lower surface of the holding plate 313 with the vertical direction reversed from that of the first embodiment. In the pulse wave detection device 300, the two support portions 314A are disposed on the lower surface of the holding plate 313 in the front-rear direction of the right end portion. The support portion 314 </ b> A is disposed such that the lower end is in contact with the arrangement plate 14. At this time, the pulse wave detection device 300 may be configured not to include the arrangement plate 14 because the support portion 314 </ b> A and the pressure sensor 315 are arranged on the holding plate 313. In the pulse wave detection device 300, the lower end of the support portion 314 </ b> A and the lower end that is the apex for detecting the pressure of the pressure sensor 315 may be arranged on a plane.
　上述した第１実施形態、第２実施形態、第３実施形態の構成に限らない。脈波検出装置１は、保持板１３と、配置板１４との間に、圧力センサ１５が配置可能な間隔を有していれば、上述した構成に限らない。例えば、支持部１４Ａが、保持板１３に配置され、圧力センサ１５が、配置板１４に配置される構成であってもよい。このとき、支持部１４Ａの下端が、配置板１４の上面と接触し、圧力センサ１５の上端が、保持板１３の下面と接触するように配置される。また、保持板１３と、配置板１４とは、平行に配置されなくてもよい。圧力センサ１５が配置される端部側に、圧力センサ１５が配置可能な間隔を有していればよい。 The configuration is not limited to that of the first embodiment, the second embodiment, and the third embodiment described above. The pulse wave detection device 1 is not limited to the above-described configuration as long as the pressure sensor 15 can be arranged between the holding plate 13 and the arrangement plate 14. For example, the configuration may be such that the support portion 14 </ b> A is disposed on the holding plate 13 and the pressure sensor 15 is disposed on the placement plate 14. At this time, the lower end of the support portion 14 </ b> A is disposed so as to contact the upper surface of the arrangement plate 14, and the upper end of the pressure sensor 15 is disposed so as to contact the lower surface of the holding plate 13. Further, the holding plate 13 and the arrangement plate 14 may not be arranged in parallel. What is necessary is just to have the space | interval which can arrange | position the pressure sensor 15 in the edge part side in which the pressure sensor 15 is arrange | positioned.
　１、２００、３００　脈波検出装置
　５　導線ケーブル
　１１　発光部
　１２　受光部
　１３、３１３　保持板
　１４　配置板
　１４Ａ、３１４Ａ　支持部
　１５、２１５、３１５　圧力センサ
　１６　報知部
　２０　回路基板
　２１　脈波検出回路部
　２２　電流電圧変換回路
　２３　増幅回路
　２４　Ａ／Ｄ変換回路部
　２５　制御回路部
　２６　ＣＰＵ
　２７　ＲＡＭ
　２８　ＲＯＭ
　２９　タイマー
　３０　入出力インタフェース
　３５　ＰＣ DESCRIPTION OF SYMBOLS 1,200,300 Pulse wave detection apparatus 5 Conductor cable 11 Light emission part 12 Light reception part 13,313 Holding board 14 Arrangement board 14A, 314A Support part 15,215,315 Pressure sensor 16 Notification part 20 Circuit board 21 Pulse wave detection circuit part 22 Current-voltage conversion circuit 23 Amplification circuit 24 A / D conversion circuit unit 25 Control circuit unit 26 CPU
27 RAM
28 ROM
29 Timer 30 I / O interface 35 PC

Claims (6)

  1. 　測定対象に光を照射する発光部と、測定対象から反射される光を受光する受光部とを有する検知部と、
    　前記検知部が、所定方向の一端側に設けられる検知部保持部材と、
    　前記検知部保持部材の前記所定方向の他端側を固定に支持し、前記検知部保持部材を、所定の配置面と間隔を有して配置させる支持部と、
    　前記検知部保持部材の前記一端側、且つ前記検知部が配置される位置より端部側において、前記検知部保持部材の前記検知部が設けられる面に対向する対向面と、前記配置面とに接触して配置され、前記検知部にかかる荷重量を、前記検知部保持部材と前記配置面との間隔の変位により測定する荷重検出部と、
    を備える脈波検出装置。     A detection unit having a light emitting unit that irradiates light to the measurement target, and a light receiving unit that receives light reflected from the measurement target;
    The detection unit is a detection unit holding member provided on one end side in a predetermined direction;
    A support unit that fixedly supports the other end side of the detection unit holding member in the predetermined direction, and that arranges the detection unit holding member with a predetermined arrangement surface and an interval;
    On the one end side of the detection unit holding member and on the end side from the position where the detection unit is arranged, an opposing surface facing the surface on which the detection unit of the detection unit holding member is provided, and the arrangement surface A load detector that is arranged in contact and measures a load applied to the detector by a displacement of a distance between the detector holding member and the arrangement surface;
    A pulse wave detection device comprising:
  2. 　前記検知部保持部材の前記他端側において、
    前記対向面を支持する前記支持部と、
    前記対向面に沿う方向に配置される前記配置面と、
    を有する配置板を備え、
    　前記検知部保持部材は、前記検知部を前記一端側に備え、
    　前記荷重検出部は、前記一端側に、前記検知部保持部材の前記対向面と接触するように前記配置面に配置され、且つ、前記検知部保持部材の前記検知部が配置される位置より前記一端の端部側に備えることを特徴とする請求項１に記載の脈波検出装置。     On the other end side of the detection unit holding member,
    The support portion supporting the facing surface;
    The placement surface disposed in a direction along the facing surface;
    An arrangement plate having
    The detection unit holding member includes the detection unit on the one end side,
    The load detecting unit is disposed on the one end side so as to be in contact with the opposing surface of the detection unit holding member, and from the position where the detection unit of the detection unit holding member is disposed. The pulse wave detection device according to claim 1, wherein the pulse wave detection device is provided on one end side.
  3. 　前記検知部保持部材は、前記検知部を所定面の前記一端側に備え、前記支持部を前記検知部が設けられる面と対向する前記対向面における前記他端側に備え、前記荷重検出部を、前記対向面の前記一端側であって、且つ、前記検知部が配置される位置より端部側に備えることを特徴とする請求項１に記載の脈波検出装置。 The detection unit holding member includes the detection unit on the one end side of a predetermined surface, the support unit is provided on the other end side of the facing surface facing the surface on which the detection unit is provided, and the load detection unit is provided. 2. The pulse wave detection device according to claim 1, wherein the pulse wave detection device is provided on the one end side of the facing surface and on the end side from a position where the detection unit is disposed.
  4. 　前記検知部保持部材の前記対向面を支持する前記支持部と、
    前記対向面に沿う方向に配置される前記配置面と、
    を有する配置板を備え、
    　前記荷重検出部は、前記配置板の前記配置面と接触して、前記検知部保持部材の前記対向面に配置されることを特徴とする請求項１に記載の脈波検出装置。     The support part supporting the opposing surface of the detection part holding member;
    The placement surface disposed in a direction along the facing surface;
    An arrangement plate having
    The pulse wave detection device according to claim 1, wherein the load detection unit is disposed on the facing surface of the detection unit holding member in contact with the arrangement surface of the arrangement plate.
  5. 　前記検知部と、前記荷重検出部とのそれぞれが、前記検知部および前記荷重検出部による検知結果を取得する制御部と、導線により電気的に接続され、
    　前記導線は、前記検知部保持部材の前記支持部が配置される位置より前記他端側から、前記検知部および前記荷重検出部へ配線されることを特徴とする請求項１に記載の脈波検出装置。     Each of the detection unit and the load detection unit is electrically connected by a conductor with a control unit that obtains a detection result by the detection unit and the load detection unit,
    The pulse wave according to claim 1, wherein the conducting wire is wired from the other end side to the detection unit and the load detection unit from a position where the support unit of the detection unit holding member is disposed. Detection device.
  6. 　前記検知部の前記発光部と前記受光部により、脈波を検出する脈波検出部と、
    　検出された脈波が、所定の検出基準を満たしているか否かを判断する脈波判断部と、
    　前記脈波判断部により、前記検出された脈波が前記検出基準を満たしていると判断されないとき、前記検知部にかかる荷重を強める、または弱める指示をする報知部と、
    　前記脈波検出部は、前記脈波判断部により、前記検出された脈波が前記検出基準を満たしていると判断されないとき、前記検出基準を満たしていると判断されるまで、脈波を繰り返し検出し、
    　前記脈波判断部により、前記検出された脈波が前記検出基準を満たしていると判断されたとき、前記検知部にかかる荷重量を、前記報知部が指示する荷重量の基準として記憶させる記憶制御部と、
    を備えることを特徴とする請求項１に記載の脈波検出装置。     A pulse wave detection unit for detecting a pulse wave by the light emitting unit and the light receiving unit of the detection unit;
    A pulse wave determination unit that determines whether or not the detected pulse wave satisfies a predetermined detection criterion;
    When the pulse wave determination unit does not determine that the detected pulse wave satisfies the detection criterion, a notification unit that gives an instruction to increase or decrease the load applied to the detection unit;
    The pulse wave detector repeats the pulse wave until it is determined by the pulse wave determination unit that the detected pulse wave satisfies the detection criterion until the detection criterion is satisfied. Detect
    When the pulse wave determination unit determines that the detected pulse wave satisfies the detection criterion, the load amount applied to the detection unit is stored as a reference for the load amount indicated by the notification unit. A control unit;
    The pulse wave detection device according to claim 1, further comprising:
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