WO2005092179A1 - Instrument de mesure d’informations biologiques - Google Patents

Instrument de mesure d’informations biologiques Download PDF

Info

Publication number
WO2005092179A1
WO2005092179A1 PCT/JP2005/002018 JP2005002018W WO2005092179A1 WO 2005092179 A1 WO2005092179 A1 WO 2005092179A1 JP 2005002018 W JP2005002018 W JP 2005002018W WO 2005092179 A1 WO2005092179 A1 WO 2005092179A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
biological information
unit
living body
cover glass
Prior art date
Application number
PCT/JP2005/002018
Other languages
English (en)
Japanese (ja)
Inventor
Kazuya Maegawa
Takashi Nakamura
Koichi Moriya
Shinichiro Miyahara
Original Assignee
Seiko Instruments Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Seiko Instruments Inc. filed Critical Seiko Instruments Inc.
Publication of WO2005092179A1 publication Critical patent/WO2005092179A1/fr

Links

Classifications

    • 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
    • A61B5/02438—Detecting, measuring or recording pulse rate or heart rate with portable devices, e.g. worn by the patient
    • 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

Definitions

  • the present invention relates to a biological information measuring device capable of measuring biological information such as a pulse while being worn on a wrist (arm).
  • the pulse meter (biological information measuring device) described in Patent Document 1 includes two electrodes on the skin contact side. When the two electrodes touch the skin, a minute current flows through the skin, and the voltage between the two electrodes decreases. Therefore, it is determined that the pulse sensor is in contact with the skin. Therefore, the presence or absence of contact with the skin can be detected based on the potential difference between the two electrodes.
  • a pulse measuring device (biological information measuring device) having a pulse measuring system using a light emitting diode (light emitting portion) and a light receiving element (light receiving portion) has also been proposed (for example, see Patent Document 2).
  • the pulse meter described in Patent Document 2 has a light receiving element for measuring light and darkness, and detects the presence or absence of a contact according to the output of the light receiving element.
  • Patent Document 1 Japanese Patent Application Laid-Open No. 2003-70757 (Paragraph No. 0021-0029, FIG. 2, etc.)
  • Patent Document 2 Japanese Patent Application Laid-Open No. 60-246736
  • the biological information measuring device described in Patent Document 1 described above can accurately detect contact with a living body when the electrodes are large to some extent, but erroneous detection often occurs when the electrodes are small. For example, it is difficult to use with small terminals such as wristwatch type Problem.
  • the biological information measurement device described in Patent Document 2 simply determines the brightness from the output from the light receiving element and determines the presence / absence of contact, and thus may erroneously detect depending on the degree of external light. .
  • the present invention has been made in view of the above circumstances, and provides a biological information measuring device that can be miniaturized with a simple configuration and that does not erroneously detect even when external light enters.
  • the porpose is to do.
  • the present invention provides the following means in order to solve the above problems.
  • a biological information measurement device of the present invention includes a main body, and a biological sensor provided on the main body and configured to irradiate light to a living body and generate a biological information signal according to the amount of backscattered light from the living body.
  • a biometric information calculation unit provided on the main body and calculating biometric information based on the biometric information signal; and a force provided on the lower surface side of the main body, wherein the biometric sensor unit contacts the surface of the living body.
  • a light emitting unit for irradiating the living body with light, and the detecting unit is disposed on a lower surface of the main body to transmit and reflect the light emitted by the light emitting unit.
  • the light emitting unit also irradiates light toward the living body.
  • the irradiated light is received by the light receiving unit by reflection on the surface of the cover glass, propagation in the cover glass, backscattering in living organisms, and the like.
  • the determination unit provided in the detection unit determines whether the surface of the living body and the living body sensor unit are based on the light reception signal received by the light receiving unit when the light emitting unit is emitting light and when the light emitting unit is not emitting light. Make contact or not to judge.
  • the determining unit determines that the surface of the living body is in contact with the biological sensor unit, that is, determines that the main body is attached to the wrist (arm, etc.), and irradiates the living body with light toward the living body by the biological sensor unit.
  • a biological information signal corresponding to the amount of backscattered light from the object.
  • the biological information detection unit performs a predetermined operation on the biological information signal to calculate biological information such as a pulse. Also, even if external light enters the light receiving unit, the surface of the living body and the This eliminates the possibility of erroneous detection of the contact of the user.
  • the light receiving section receives the backscattered light of the biological force transmitted through the cover glass and generates a biological information signal according to the amount of backscattered light. I prefer to.
  • the light receiving unit performs both the contact between the surface of the living body and the biological sensor unit based on the received light and the generation of the biological information signal. A small number of points can be obtained, and furthermore, the overall size of the biological information measuring device can be reduced.
  • the biological information measuring device of the present invention may be configured such that the cover glass has a reflecting surface disposed between the light emitting unit and the light receiving unit, and reflecting a part of light propagating in the cover glass. It is preferable to provide
  • the biological information measurement device of the light irradiated by the light irradiation unit, light that has propagated inside the cover glass is reflected toward the living body surface side by the reflection surface. For this reason, when measuring the biological information, it is possible to block the light propagating in the cover glass that does not contain the biological information, so that it is possible to measure the biological information with high accuracy.
  • the biological information measuring device of the present invention preferably includes a bundle of optical fibers, one end of which is disposed in close proximity to the cover glass and the other end thereof is disposed in proximity to the light receiving surface of the light receiving section. .
  • the optical fiber since the optical fiber is provided, light that has passed through a surface portion such as a skin of a living body is reflected on the outer peripheral surface of the optical fiber. Light that has passed only through the surface such as the epidermis of a living body does not contain much biological information, so by blocking this light, it enters the optical fiber, propagates through the optical fiber, and is guided to the light receiving unit. Most of the light is light that has passed deep into the body below the dermis, that is, light that contains a lot of biological information.
  • the biological information measuring device may be arranged such that a surface of the cover glass facing the light receiving unit is provided.
  • a light-collecting unit that collects backscattered light from the living body is provided on a surface of the cover glass that faces the light receiving unit.
  • a biological information signal such as a pulse signal is generated, the area of the light receiving unit can be reduced, so that the overall size of the biological information measuring device can be reduced.
  • the presence or absence of a contact is detected based on the light received by the light receiving unit when the light emitting state of the light emitting unit is changed.
  • contact with a living body can be detected. Therefore, even when external light enters the light receiving unit, the contact with the living body can be accurately recognized, and the calculation of the biological information can be performed with high accuracy.
  • FIG. 1 is a front view (top view) showing an embodiment of a biological information measuring device according to the present invention.
  • FIG. 2 is a rear view (bottom view) of the biological information measuring device shown in FIG. 1.
  • FIG. 3 is a side view showing a state where the biological information measuring device shown in FIG. 1 is mounted on a wrist.
  • FIG. 4 is a side view showing a state in which the biological information measuring device shown in FIG. 1 is mounted on a wrist, viewed from a direction opposite to the direction shown in FIG. 3.
  • FIG. 5 is a sectional view of the biological information measuring device shown in FIG. 1.
  • FIG. 6 is a sectional view taken along the line DD of the biological information measuring device shown in FIG. 1.
  • FIG. 7 is a sectional view showing a biological sensor unit of the biological information measuring device shown in FIG. 1.
  • FIG. 8 is a flowchart showing contact detection performed in a data processing unit of the biological information measuring device shown in FIG. 5.
  • FIG. 9 is a cross-sectional view showing another modified example of the biological sensor unit of the biological information measuring device shown in FIG. 7.
  • FIG. 10 is a cross-sectional view showing another modified example of the biological sensor unit of the biological information measuring device shown in FIG. 7.
  • FIG. 11 is a cross-sectional view showing another modified example of the biological sensor unit of the biological information measuring device shown in FIG. 7. is there.
  • FIG. 12 is a plan view showing another modified example of the biological information measuring device shown in FIG. 1.
  • FIG. 13 is a cross-sectional view showing a positional relationship between an LED and a PD of the biological information measuring device shown in FIG.
  • FIG. 14 is a graph showing a voltage value output by a PD according to a contact state between a living body sensor unit and a living body in an example of the present invention.
  • B body surface (living body), 1, 50 ⁇ ⁇ ⁇ biological information measurement device, 2 ⁇ housing (body), 2a- lower surface of the body, 4 ⁇ LED (light emitting part), 5 ⁇ 'PD (Light receiving part), 7... Data processing part (biological information detecting part), 7a... Determining part, 8... Biological sensor part, 23 ⁇ Cover glass, 23a ⁇ Reflective surface, 40... Optical fin, 40a... One end of optical fiber, 40b... The other end of optical fiber, 41... Concave part (condensing part)
  • a biological information measuring device 1 of the present embodiment is a wristwatch type and calculates a pulse rate, which is biological information, in a state of being worn on a wrist (arm) A. It is.
  • the biological information measuring device 1 includes a housing (main body) 2 containing various electric and electronic components, and a housing 2 with a lower surface 2a of the housing 2 facing the living body surface B side.
  • LED Light Emitting Diode
  • PD Light emitting diode
  • a biometric sensor unit 6 having a sensor 5 and a pulse signal (biological information signal) provided in the housing 2 and corresponding to the amount of light received by the biosensor unit 6 are calculated, and the generated pulse signal is calculated.
  • a data processing unit (biological information calculation unit) 7 for calculating the number.
  • the biological sensor unit 6 also functions as a detection unit that detects whether or not the biological sensor unit 6 (the lower surface 2a side of the housing 2) is in contact with the biological surface B. That is, the living body sensor unit 6 detects whether or not the force is in contact with the living body surface B, and generates light from the living body to generate a pulse signal. It will have LED4 and PD5 which have the function of detecting.
  • the biological information measuring device 1 is disposed on the lower surface 2a side of the housing 2, transmits and reflects light emitted by the LED 4, and also transmits light scattered backward in the living body.
  • a cover glass 23 for transmitting light is provided.
  • the PD 5 receives the light propagating through the cover glass 23 and the backscattered light of the biological force transmitted through the cover glass 23.
  • the data processing unit 7 includes a determination unit 7a that determines whether or not the living body and the living body sensor unit 6 come into contact with each other based on a light reception signal received by the PD 5, and determines whether or not a force is applied.
  • the housing 2 is made of a metal material such as plastic or aluminum and has a predetermined thickness, for example, a substantially rectangular shape when viewed from above.
  • a substantially square glass plate 10 is fitted in the center of the upper surface 2b of the housing 2, and a display unit 11 for displaying the calculated pulse rate and other various information is provided inside the glass plate 10. Are arranged.
  • a main board 12 is provided in the housing 2, and the data processing section 7, the display section 11, and the chargeable section are provided on the main board 12.
  • a rechargeable battery 13, a memory 14 for recording a pulse rate, a sub-board 15, and various other electronic components are electrically connected by mounting or wiring.
  • the data processing unit 7 includes an IC component such as a CPU, amplifies the generated pulse signal by an amplifier or the like, and then performs a predetermined process such as a fast Fourier transform process (FFT process). It has a function of calculating the pulse rate by analyzing the processing result. Further, the data processing section 7 records the calculated pulse rate in the memory 14, and displays the calculated pulse rate on the display section 11 based on an input from each button 20 described later. Further, the data processing section 7 has a function of comprehensively controlling other components.
  • FFT process fast Fourier transform process
  • the display unit 11 is, for example, a liquid crystal display such as an LCD (Liquid Crystal Display), and has a time display function of displaying a time counted by a crystal oscillator (not shown), for example, in addition to the pulse rate described above. And a function for displaying various other information. For example, time, date, day of the week, remaining power of the rechargeable battery 13 and the like can be displayed.
  • LCD Liquid Crystal Display
  • buttons 20 for example, Three buttons 20 are provided on the upper surface 2b of the housing 2 and below the display unit 11 (below in FIG. 1), and one button 20 is provided on a side surface of the housing 2.
  • various operations can be performed. For example, operations such as starting and stopping pulse measurement, switching the display between pulse rate and time, and transmitting pulse rate data recorded in the memory 14 to an external device can be performed.
  • an external connection terminal (charging means) 21 is provided on a side surface of the housing 2 to supply the external power of a charger or the like to the rechargeable battery 13 by supplying electric power to charge the battery.
  • a cover or the like may be attached so as to cover the external connection terminal 21 to protect the external connection terminal 21. By doing so, the external connection terminal 21 can be protected from water droplets, dust, and the like, which is more preferable.
  • not only the external connection terminal 21 but also a transformer and the like for supplying power to the charger and the housing 2 may be provided to charge the rechargeable battery 13 in a non-contact state. .
  • the light receiving signal output from the PD 5 is sent to the data processing unit 7 via the flexible board 24, the sub board 15 and the main board 12. Further, the light propagating in the cover glass 23 and received by the PD 5 is sent to the determination unit 7a.
  • the determining unit 7a receives the light receiving signal output from the PD 5 as a voltage, and constantly compares the voltage value with a preset threshold voltage ⁇ [V]. If the output light receiving signal is equal to or lower than the threshold voltage ⁇ [V] while the LED 4 is in the OFF state, it is determined that the LED 4 and the PD 5 are not in contact with the living body surface ⁇ . On the other hand, if the light receiving signal output from the PD 5 is equal to or higher than the threshold voltage ⁇ [V], the LED 4 is turned on. If the light receiving signal output from the PD 5 is equal to or higher than the threshold voltage ⁇ [V], it is determined that the LED 4 and the PD 5 are not in contact with the surface of the living body.
  • the data processing unit 7 is set to control the operation of the LED 4 so as to emit the LED 4 light based on the detection result.
  • the fixing means 3 has a first band 30 and a second band 31 whose base end is attached to the housing 2 and which can be attached to the wrist A.
  • the first band 30 and the second band 31 are provided in the longitudinal direction of the housing 2 (vertical direction in FIG. 1) so as to face each other with the housing 2 interposed therebetween. Further, both bands 30 and 31 are formed of a stretchable elastic material.
  • the first band 30 has a buckle 30a and a tanda 30b attached to the tips.
  • a plurality of insertion holes 3la into which the tundas 30b are inserted are formed along the longitudinal direction of the second band 31.
  • the lengths of the first band 30 and the second band 31 can be adjusted according to the thickness of the wrist A of the user.
  • the power of the PD 5 is turned on by pressing the button 20 to switch to the pulse measurement mode (step S1).
  • the voltage of the light receiving signal of the light received by the PD 5 is detected while the LED 4 is in the OFF state (step S2).
  • the light received by the PD 5 is output as a voltage to the determination unit 7a of the data processing unit 7.
  • the determination unit 7a constantly compares the detected voltage value with the threshold voltage ⁇ [V] (step S3), and when the detected voltage value is equal to or higher than the threshold voltage a (step S3 “ NO ”), and turns on LED4 (step S4).
  • the determination unit 7a of the data processing unit 7 constantly compares the detected voltage value with the threshold voltages j8 [V] and ⁇ [V] (step S5), and determines whether the detected voltage value is the threshold voltage “
  • the data processing unit 7 controls the (LED4 and) PD5 Make sure that it is in contact with the living body surface B.
  • the data processing unit 7 always compares the detected voltage value with the threshold voltage. For example, the data processing unit 7 compares only before measuring a pulse, or compares before and after measuring a pulse. It doesn't matter if it's something.
  • both bands 30 and 31 are wound so as to wind the wrist A of the user, and the band 30b of the first band 30 is moved to the second depending on the size of the wrist A.
  • the determination unit 7a determines that the housing 2 is attached to the wrist A
  • the data processing unit 7 irradiates light from the LED 4 toward the living body.
  • the irradiated light is absorbed and scattered by tissues and blood such as fat and muscle in the living body, and a part of the irradiated light is detected by the PD5 as backscattered light.
  • the detected light fluctuates as the blood volume changes due to pulsation.
  • the data processing unit 7 When the PD 5 receives the backscattered light, the data processing unit 7 generates a pulse signal (biological information signal) according to the change in the amount of received light. That is, the amount of backscattered light of the light emitted from the LED 4 fluctuates according to the blood flow fluctuation in the arteries and arterioles inside the wrist A (living body). It can receive backscattered light according to the wave. Thus, the PD 5 can generate a pulse signal.
  • a pulse signal biological information signal
  • the data processing unit 7 After amplifying the pulse signal, the data processing unit 7 performs predetermined processing such as FFT processing, and then performs analysis to calculate the pulse rate. Then, the data processing unit 7 records the calculated pulse rate in the memory 14 and displays the calculated pulse rate on the display unit 11 based on the operation of each button 20.
  • predetermined processing such as FFT processing
  • the user can easily display the calculated pulse rate on the display unit 11 and confirm it by pressing each button 20 when necessary, which is convenient for use.
  • the user can operate the buttons 20 to check other information other than the pulse rate, such as the time and the remaining power of the rechargeable battery 13, on the display unit 11. ,.
  • the user tightens the housing 2 with the two bands 30 and 31 with a predetermined force and wears the housing 2 on the wrist A. Therefore, even if the user wears the housing 2 for a long time, the user may feel a feeling of oppression. Because there is no, you do not feel uncomfortable.
  • the LED 4 and the PD 5 are pressed toward the lower surface 2a side of the housing 2 (outside the housing 2) by the elasticity of the flexible substrate 24 and are as close as possible to the living body surface B. It can be calculated with high accuracy.
  • the charging can be performed by connecting a charging cord or the like connected to a charger to the external connection terminal 21, and a normal battery can be charged. Need not be provided separately. Therefore, it is possible to reduce maintenance costs.
  • a sound output means such as a buzzer for outputting sound is provided in the housing 2, and when the charge amount of the rechargeable battery 13 decreases to near "0", sound is output to charge the battery (charging timing). ) May be configured to be notified.
  • the biological information measuring device 1 of the present embodiment based on the light received by the PD 5 when the light emitting state of the LED 4 is changed, the LED 4 and the PD 5 Since contact force is detected, contact with the biological surface B can be detected with a simple configuration. Therefore, even when external light enters the PD 5, it is possible to accurately recognize the contact with the biological surface B, and it is possible to detect biological information with high accuracy.
  • the cover glass 23 may be provided with a reflection surface 23a that is arranged between the LED 4 and the PD 5 and reflects a part of the light propagating in the cover glass 23.
  • the light propagating inside the cover glass 23 is reflected by the reflecting surface 23 a toward the living body surface B. For this reason, when measuring the biological information, it is possible to block light that propagates in the cover glass 23, which becomes noise light, so that it is possible to improve the SN ratio when generating a pulse signal.
  • the PD 5 and the cover glass 23 are disposed apart from each other, and one end 4 Oa is close to the cover glass 23 and the other end 40 b is close to the light receiving surface 5 a of the PD 5.
  • a bundled optical fino O may be provided.
  • a concave portion (light collecting portion) 41 for collecting the backscattered light from the living body may be formed in a portion of the cover glass 23 facing the PD 5.
  • the light power concave portion 41 irradiated by the PD 5 and scattered backward in the living body is efficiently condensed on the light receiving surface 5a of the PD 5. Therefore, when a pulse signal is generated by the PD 5, the light receiving area of the PD 5 can be reduced, so that the overall size of the biological information measuring device can be reduced.
  • the light-collecting portion may have a convex shape because it only needs to collect light on the light-collecting surface 5a of the PD 5.
  • the LED 4 and the PD 5 are used for detecting contact with the body surface B, and are configured to also receive the backscattered light of the body force for generating the pulse signal.
  • a biological information measuring device 50 provided with a detection unit 53 having another pair of LEDs 51 and PD52, and a light shielding plate 54 for shielding the LEDs 4, PD5 and the LEDs 51, PD52.
  • the LED4 and PD5 detect contact with the body surface B, and the LEDs 51 and PD52 receive the backscattered light, which is a biological force for generating a pulse signal.
  • the PD52 receives the backscattered light required to generate it.
  • Figure 13 and Table 1 show examples of the positional relationship between LED4 and PD5 when acrylic with a refractive index of 1.5 is used as the material for the power bar glass.
  • the PD 5 has a structure in which the light receiving surface 5a is one step lower than the upper surface of the package 5b.
  • the LED 4 and the top surface of the package 5b are arranged flush (to be flush with each other).
  • the distance between these and the cover glass 23 is X
  • the thickness of the cover glass 23 is Y.
  • the (shortest) distance Z3 that does not enter depends on X and Y.
  • the pulse rate is described as an example of the biological information.
  • the present invention is not limited to the pulse rate and may be any biological information.
  • a function such as a wireless communication unit capable of wirelessly communicating with another electronic device may be added to the housing.
  • the pulse rate recorded in the memory can be transmitted to an external electronic device by wireless communication such as Bluetooth, and various information can be obtained in the memory.
  • the voltage threshold oc when the LED 4 is in the OFF state is 1.9 [V]
  • 8 and the voltage threshold ⁇ when the LED 4 is in the ON state are 0.4 [V].
  • the PD 5 used here will be described on the assumption that the output voltage value decreases as the incident light intensity increases. In other words, a measured voltage of less than ⁇ is 1.9 [V] or less, and a measured voltage of
  • “wearing: X” indicates a state in which the biological information measuring device 1 is not worn on the wrist ⁇
  • “wearing: ⁇ ” indicates a worn state
  • “LED lighting: X”. Indicates that the LED4 is on and the LED is on (OFF state)
  • “LED ON: ⁇ ” indicates that the LED4 is on and on (ON state).
  • state 1 shows a state in which biological information measuring device 1 is not mounted on wrist A in a dark state without external light. First, when LED4 is OFF, there is no external light or LED4 light, so no light is incident on PD5, so the output voltage (measured value) from PD5 is about 2 [V].
  • state 2 shows a state in which biological information measuring device 1 is worn on wrist A in a dark state without external light.
  • LED4 when LED4 is OFF, there is no external light or LED4 light, so no light is incident on PD5, so the output voltage (measured value) from PD5 is about 2 [V].
  • LED 4 when LED 4 is turned on, there is no external light, but the light radiated by LED 4 and propagated through force bar glass 23 and light scattered back in the living body enter PD 5, so the output voltage from PD 5 (Measured value) is about 1.4 [V].
  • state 3 shows a state in which the intensity of external light is about 600 Lx and the biological information measuring device 1 is not mounted.
  • the output voltage (measured value) from the PD 5 is about 0.12 [V].
  • the LED 4 is turned on, the external light and the light radiated by the LED 4 and propagated in the cover glass 23 enter the PD 5, so that the output voltage (measured value) from the PD 5 is about 0.11 [ V].
  • the measured value of PD5 exceeds 1.9 [V] with LED4 OFF, and if the measured value of PD5 exceeds 1.8 [V] with LED4 turned on, Assuming that the backscattered light from the living body has not entered PD5, it is determined that LED4 and PD5 are not in contact with living body surface B, LED4 is turned on, and the measured value of PD5 is 0.4 [V]. In the case below, the reflected light from the object other than the living body is incident on the PD 5, and it can be determined that the LED 4 and the PD 5 and the living body surface B are in a non-contact state.
  • the thresholds are set to 1.9 [V], 1.8 [V], and 0.4 [V], respectively, but the set value of the threshold is not limited to this.
  • the biological information measuring device of the present invention the presence or absence of contact is detected based on the light received by the light receiving unit when the light emitting state of the light emitting unit is changed.
  • contact with a living body can be detected. Therefore, even when external light enters the light receiving unit, the contact with the living body can be accurately recognized, and the calculation of the biological information can be performed with high accuracy.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Cardiology (AREA)
  • Biomedical Technology (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Physiology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)

Abstract

Il est prévu un instrument de mesure d'informations biologiques comprenant un corps, une section capteur biologique prévue dans le corps, irradiant un organisme de lumière, et générant un signal d'informations biologiques en fonction de la quantité de lumière de rétrodiffusion provenant de l’organisme, une section prévue dans le corps et exploitant des informations biologiques sur la base du signal d'informations biologiques, et une section disposée à la surface inférieure du corps et détectant si oui ou non la section capteur biologique touche la surface de l’organisme, caractérisé en ce que la section détection comprend une section électroluminescente pour irradier l’organisme de lumière, un verre de protection à la surface inférieure de l’organisme, émettant et réfléchissant la lumière émise de la section électroluminescente, et transmettant la lumière de rétrodiffusion depuis l’organisme, une section recevant la lumière émise depuis le verre de protection, et une section jugeant si oui ou non l’organisme est au contact de la section capteur biologique en fonction d’un signal de réception de lumière reçu par la section réceptrice de lumière.
PCT/JP2005/002018 2004-03-26 2005-02-10 Instrument de mesure d’informations biologiques WO2005092179A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004091943A JP4476664B2 (ja) 2004-03-26 2004-03-26 生体情報計測装置
JP2004-091943 2004-03-26

Publications (1)

Publication Number Publication Date
WO2005092179A1 true WO2005092179A1 (fr) 2005-10-06

Family

ID=35055935

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2005/002018 WO2005092179A1 (fr) 2004-03-26 2005-02-10 Instrument de mesure d’informations biologiques

Country Status (2)

Country Link
JP (1) JP4476664B2 (fr)
WO (1) WO2005092179A1 (fr)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8157730B2 (en) 2006-12-19 2012-04-17 Valencell, Inc. Physiological and environmental monitoring systems and methods
US8652040B2 (en) 2006-12-19 2014-02-18 Valencell, Inc. Telemetric apparatus for health and environmental monitoring
US8251903B2 (en) 2007-10-25 2012-08-28 Valencell, Inc. Noninvasive physiological analysis using excitation-sensor modules and related devices and methods
JP5414173B2 (ja) * 2007-12-27 2014-02-12 株式会社東芝 脈波計測装置
US8788002B2 (en) 2009-02-25 2014-07-22 Valencell, Inc. Light-guiding devices and monitoring devices incorporating same
EP3357419A1 (fr) 2009-02-25 2018-08-08 Valencell, Inc. Dispositifs de guidage de lumière et dispositifs de surveillance les incorporant
JP5737667B2 (ja) * 2010-05-25 2015-06-17 任天堂株式会社 ゲームプログラム、ゲーム装置、ゲームシステム、およびゲーム処理方法
US8888701B2 (en) 2011-01-27 2014-11-18 Valencell, Inc. Apparatus and methods for monitoring physiological data during environmental interference
US9801552B2 (en) 2011-08-02 2017-10-31 Valencell, Inc. Systems and methods for variable filter adjustment by heart rate metric feedback
JP5766569B2 (ja) * 2011-09-27 2015-08-19 株式会社東芝 脈波伝播速度計測装置
US10349844B2 (en) 2012-01-16 2019-07-16 Valencell, Inc. Reduction of physiological metric error due to inertial cadence
WO2013109389A1 (fr) 2012-01-16 2013-07-25 Valencell, Inc. Limite de hausse et de baisse d'estimation métrique physiologique
EP2938259A4 (fr) 2012-12-31 2016-08-17 Omni Medsci Inc Utilisation de lasers proche infrarouge pour la surveillance non invasive du glucose, des cétones, de l'hémoglobine a1c et d'autres constituants sanguins
WO2014143276A2 (fr) 2012-12-31 2014-09-18 Omni Medsci, Inc. Lasers super-continuum a infrarouge a ondes courtes pour une détection de fuite de gaz naturel, une exploration et d'autres applications de détection a distance actives
EP3184038B1 (fr) 2012-12-31 2019-02-20 Omni MedSci, Inc. Protège-dents avec utilisation de supercontinuums infrarouge de courte longueur d'onde pour la détection précoce des caries dentaires
US10660526B2 (en) 2012-12-31 2020-05-26 Omni Medsci, Inc. Near-infrared time-of-flight imaging using laser diodes with Bragg reflectors
US9500635B2 (en) 2012-12-31 2016-11-22 Omni Medsci, Inc. Short-wave infrared super-continuum lasers for early detection of dental caries
CN105324073B (zh) 2013-07-12 2018-02-13 精工爱普生株式会社 生物体信息检测装置
WO2015166990A1 (fr) * 2014-05-02 2015-11-05 ローム株式会社 Capteur d'onde d'impulsion et module de mesure d'onde d'impulsion
JP6216303B2 (ja) * 2014-09-26 2017-10-18 京セラ株式会社 測定装置及び測定方法
EP3200694A1 (fr) * 2014-10-02 2017-08-09 Koninklijke Philips N.V. Capteur optique de signes vitaux
US10610158B2 (en) 2015-10-23 2020-04-07 Valencell, Inc. Physiological monitoring devices and methods that identify subject activity type
US10945618B2 (en) 2015-10-23 2021-03-16 Valencell, Inc. Physiological monitoring devices and methods for noise reduction in physiological signals based on subject activity type
CN108289626A (zh) * 2015-11-10 2018-07-17 皇家飞利浦有限公司 光电体积描记设备
US10966662B2 (en) 2016-07-08 2021-04-06 Valencell, Inc. Motion-dependent averaging for physiological metric estimating systems and methods
JP7168020B2 (ja) * 2021-03-24 2022-11-09 カシオ計算機株式会社 着脱式装置、着脱判定方法及びプログラム
JP2022149314A (ja) 2021-03-25 2022-10-06 カシオ計算機株式会社 電子機器、電子機器の制御方法及びプログラム

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11235320A (ja) * 1998-02-23 1999-08-31 Seiko Epson Corp 生体情報計測装置
JP2003169780A (ja) * 2001-12-06 2003-06-17 Nippon Seimitsu Sokki Kk 光電脈波式脈拍測定装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11235320A (ja) * 1998-02-23 1999-08-31 Seiko Epson Corp 生体情報計測装置
JP2003169780A (ja) * 2001-12-06 2003-06-17 Nippon Seimitsu Sokki Kk 光電脈波式脈拍測定装置

Also Published As

Publication number Publication date
JP2005270544A (ja) 2005-10-06
JP4476664B2 (ja) 2010-06-09

Similar Documents

Publication Publication Date Title
WO2005092179A1 (fr) Instrument de mesure d’informations biologiques
JP4515148B2 (ja) 生体情報計測装置及び生体情報計測方法
JP4485234B2 (ja) 生体情報計測装置
US10993661B1 (en) Wireless charging of a wrist-mounted sensor platform
US11330993B2 (en) Sensor and method for continuous health monitoring
EP0729726B1 (fr) Dispositif de mesure du pouls
US10219709B2 (en) Sensor and method for continuous health monitoring
EP2277440B1 (fr) Dispositif de capteur lumineux
JP3492086B2 (ja) 腕装着型脈波計測機器および脈波情報処理装置
JP2004351107A (ja) 携帯式医療用測定装置
US20090115727A1 (en) Input Device with Physiological Measuring Function
KR100591239B1 (ko) 이동통신 단말기용 건강상태 측정장치 및 그 정보관리방법
JP2007167183A (ja) 光電脈波測定装置、指先装着用プローブ及び光電脈波測定方法
WO2005092180A1 (fr) Dispositif de mesure d’informations biologiques
JPWO2017150708A1 (ja) 血流センサ及び血流測定装置
US20160151008A1 (en) Biological information measuring device
JP2001078972A (ja) 生体情報計測装置
WO2005092181A1 (fr) Instrument de mesure d’informations biologiques
US11419510B2 (en) Biological sensor module and biological information measuring apparatus
JP2001190503A (ja) 生体情報測定装置
JP3803351B2 (ja) 脈波情報計測装置
JP2001078973A (ja) 生体情報計測装置
JP2013150847A (ja) 生体情報処理方法、及び生体情報処理装置
KR102483129B1 (ko) 반지 형태의 산소포화도 측정 장치
WO2001047412A1 (fr) Dispositif d'acquisition d'informations provenant d'un corps vivant

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SM SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
NENP Non-entry into the national phase

Ref country code: DE

WWW Wipo information: withdrawn in national office

Country of ref document: DE

122 Ep: pct application non-entry in european phase