WO2017014550A1 - Procédé et appareil de mesure d'un signal de pléthysmographie optique, et support d'enregistrement lisible par ordinateur non transitoire - Google Patents

Procédé et appareil de mesure d'un signal de pléthysmographie optique, et support d'enregistrement lisible par ordinateur non transitoire Download PDF

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Publication number
WO2017014550A1
WO2017014550A1 PCT/KR2016/007893 KR2016007893W WO2017014550A1 WO 2017014550 A1 WO2017014550 A1 WO 2017014550A1 KR 2016007893 W KR2016007893 W KR 2016007893W WO 2017014550 A1 WO2017014550 A1 WO 2017014550A1
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WIPO (PCT)
Prior art keywords
light
wavelength range
illuminance
pulse wave
wave signal
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PCT/KR2016/007893
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English (en)
Korean (ko)
Inventor
신민용
최윤철
유흥종
신성준
전진홍
송지영
Original Assignee
주식회사 휴이노
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.)
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Priority claimed from KR1020160023600A external-priority patent/KR20170010713A/ko
Priority claimed from KR1020160023632A external-priority patent/KR20170010714A/ko
Application filed by 주식회사 휴이노 filed Critical 주식회사 휴이노
Publication of WO2017014550A1 publication Critical patent/WO2017014550A1/fr

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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
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters

Definitions

  • the present invention relates to a method, an apparatus and a non-transitory computer readable recording medium for measuring an optical-only pulse wave signal.
  • biometric information such as electrocardiogram, heart rate, body temperature information, oxygen saturation, electromyography, sweat gland activity, sweating rate, respiratory rate, as well as blood pressure, is obtained from two or more contacts (not necessarily physically attached) on the human body, respectively. Since it is obtained based on a signal, in order to obtain biometric information, a technique capable of appropriately processing and measuring biosignals obtained from various touch points of a human body is required.
  • PhotoPlethysmoGraphy (PPG) signals are important in measuring various bioinformation related to heart function, including SpO 2 in the blood.
  • PPG PhotoPlethysmoGraphy
  • FIG. 1 is a diagram illustrating an environment in which oxygen saturation is measured according to the prior art.
  • the sun as well as the light irradiated to the human body by the light emitting unit (not shown) and reflected from the human body 120 of the user Or even ambient light irradiated from the external light source 130, such as a lamp, may be received. Since the intensity or brightness of the ambient light emitted from the external light source 130 may vary depending on the measurement environment, There is a technical problem that it is not easy to maintain a constant amount (intensity or brightness) of the light received by the light receiving unit 110.
  • the brightness (ie, illuminance) of the light detected by the light receiver 110 needs to be kept constant.
  • a shielding structure was used to block the portion from which light is irradiated and sensed from an external light source. For this reason, according to the related art, there is a spatial constraint that all components, such as a light emitting unit for irradiating light and a light receiving unit for detecting light, are generated in the shielding structure, and the size of the measuring device becomes excessively large due to the shielding structure. Problems also arise.
  • the present inventor proposes a technique capable of accurately measuring a photo-propagating pulse wave signal (moreover, oxygen saturation degree) in an environment where the brightness of ambient light is not constant due to an external light source.
  • the object of the present invention is to solve all the above-mentioned problems.
  • the present invention is irradiated light of the first wavelength range and the light of the second wavelength range to the human body of the user, respectively, the light of the first wavelength range and the first incident through the first filter unit and the second filter unit It senses the light of the two wavelength range, respectively, and the first and second illuminance, respectively, the illuminance of each of the light of the first wavelength range and the light of the second wavelength range incident through each of the first filter unit and the second filter unit Measure and generate a first photoemission pulse signal in accordance with light in the detected first wavelength range and a second photoelectrification pulse signal in accordance with light in the detected second wavelength range and measure the first
  • the brightness of at least one of the light in the first wavelength range and the light in the second wavelength range irradiated to the user's human body so that the difference between at least one of the illuminance and the second illuminance and the predetermined reference illuminance is less than the predetermined level.
  • a method for measuring a PPG signal comprising: irradiating light of a first wavelength range and light of a second wavelength range to a human body of a user, the first filter unit And light in a first wavelength range and light in a second wavelength range respectively incident through the second filter units, and light in a first wavelength range incident through each of the first filter unit and the second filter units. And measuring first illuminance and second illuminance, respectively, illuminance of each of the light in the second wavelength range, and a first photo-propagating pulse wave signal according to the light in the detected first wavelength range and the detected second wavelength range.
  • a method of controlling the brightness of at least one of light in a first wavelength range and light in a second wavelength range irradiated to a human body of the user is provided.
  • an apparatus for measuring a PPG signal comprising: a first light emitting unit and a first light emitting unit for irradiating a user's human body with light in a first wavelength range and light in a second wavelength range, respectively; The first light receiving unit and the second light receiving unit for detecting light in the first wavelength range and light in the second wavelength range respectively incident through the second light emitting unit, the first filter unit and the second filter unit, respectively, the first filter unit and the A first illuminance sensor and a second illuminance sensor for measuring first and second illuminance, respectively, illuminance of each of light in a first wavelength range and light in a second wavelength range that are incident through each of the second filter units; A calculation unit configured to generate a first photo-only pulse wave signal according to light in a first wavelength range and a second photo-only pulse wave signal according to light in the detected second wavelength range, and among the measured first and second illuminance values At least one and preset reference roughness It is
  • non-transitory computer readable recording medium for recording another method, apparatus, and computer program for executing the method for implementing the present invention.
  • an effect of being able to accurately measure the photoelectric pulse wave signal even in an environment in which the brightness of the ambient light is not constant due to the external light source is achieved.
  • the effect of being able to increase the accuracy of the various biometric information that can be derived from the photoelectric pulse wave signal is achieved.
  • the present invention by adopting a configuration for adaptively adjusting the brightness of the light irradiated to the human body, it is possible to prevent the occurrence of spatial constraints due to the existing shielding structure, furthermore, the size and shape of the The effect of being able to easily mount a photoelectric pulse wave signal measuring device in a constrained wearable device is achieved.
  • the present invention by adopting a configuration for adaptively correcting the signal according to the detected light based on the measured illuminance, it is possible to prevent the occurrence of spatial constraints due to the existing shielding structure, furthermore, The effect of being able to easily mount the photoelectric pulse wave signal measuring device in a wearable device having a small size and a shape is achieved.
  • FIG. 1 is a diagram illustrating an environment in which a photoelectric pulse wave signal is measured according to the prior art.
  • FIG. 2 is a diagram schematically showing a configuration of an entire system according to an embodiment of the present invention.
  • FIG. 3 is a diagram illustrating an internal configuration of a photoelectric pulse wave signal measuring apparatus according to an embodiment of the present invention.
  • FIG. 4 is a diagram illustrating an example of a photoelectric pulse wave signal measuring apparatus according to an embodiment of the present invention.
  • FIG. 5 is a diagram exemplarily illustrating a process of measuring an optical exclusive pulse wave signal and an oxygen saturation degree according to an embodiment of the present invention.
  • FIG. 6 is a diagram illustrating a process of measuring the oxygen saturation degree in accordance with another embodiment of the present invention.
  • control unit 270 control unit
  • FIG. 2 is a diagram schematically showing a configuration of an entire system according to an embodiment of the present invention.
  • the entire system may include a communication network 100, an optical-only pulse wave signal measuring apparatus 200, and a device 300.
  • the communication network 100 may be configured regardless of a communication mode such as wired communication or wireless communication, and may include a local area network (LAN) and a metropolitan area network (MAN). ), Or a wide area network (WAN).
  • the communication network 100 as used herein includes a well-known short range wireless communication network such as Wi-Fi, Wi-Fi Direct, LTE Direct, or Bluetooth. Can be.
  • the communication network 100 may include, at least in part, a known wired / wireless data communication network, a known telephone network, or a known wired / wireless television communication network without being limited thereto.
  • the photo-propagation pulse wave signal measuring apparatus 200 irradiating the light of the first wavelength range and the light of the second wavelength range to the user's human body, respectively, the first filter unit ( Each of the light of the first wavelength range and the light of the second wavelength range incident through each of the 241 and the second filter units 242 is respectively sensed, and each of the first filter unit 241 and the second filter unit 242 is detected.
  • the first and second illuminance, respectively, the illuminance of each of the light of the first wavelength range and the light of the second wavelength range, which are incident through the light, are measured, respectively, and the first optical-only pulse wave signal according to the light of the detected first wavelength range.
  • the photoelectric pulse wave signal measuring apparatus 200 if the difference between at least one of the above-described first and second illuminance and the predetermined reference illuminance is a predetermined level or more, By correcting at least one of the first photo-only pulse wave signal and the second photo-only pulse wave signal with reference to a relative relationship between at least one of the first and second illuminance values measured above and the predetermined reference illuminance above, The external light source can accurately measure the photo-specific pulse wave signal and oxygen saturation in an environment where the brightness of ambient light is not constant.
  • optical pulse wave signal measuring apparatus 200 The function of the optical-only pulse wave signal measuring apparatus 200 will be described in more detail below.
  • the optical pulse wave signal measuring device 200 has been described as described above, but this description is exemplary, and at least a part of a function or component required for the optical pulse wave signal measuring device 200 is a device ( It will be apparent to those skilled in the art that they may be implemented within 300 or included within device 300.
  • the device 300 is a digital device including a function capable of communicating after connecting to the optical dedicated pulse wave signal measuring apparatus 200, and includes a memory means and a microprocessor. Therefore, any digital device having computing capability may be adopted as the device 300 according to the present invention.
  • the device 300 may be a wearable device such as a smart glass, a smart watch, a smart band, a smart ring, a smart necklace, or a smart phone, a smart pad, a desktop computer, a notebook computer, a workstation, a PDA, a web pad, a mobile phone, or the like. It may be the same somewhat traditional device.
  • the device 300 may include sensing means for obtaining a biosignal from a human body, and may include display means for providing biometric information to a user.
  • the device 300 may further include an application program for performing a function according to the present invention.
  • an application may exist in the form of a program module in the device 300.
  • the nature of the program module may be generally similar to that of the calculator 250, the communicator 260, and the controller 270 of the apparatus for measuring optical pulse wave signals as described below.
  • the application may be replaced with a hardware device or a firmware device, at least a part of which may perform a function substantially the same or equivalent thereto.
  • FIG. 3 is a diagram illustrating an internal configuration of a photoelectric pulse wave signal measuring apparatus according to an embodiment of the present invention.
  • the apparatus for measuring photonic pulse wave includes a light emitting unit 210, a light receiving unit 220, an illuminance sensor unit 230, a filter unit 240, and a calculation unit.
  • the unit 250 may include a communication unit 260 and a control unit 270.
  • the calculator 250, the communicator 260, and the controller 270 may be program modules in which at least some of them communicate with an external system (not shown).
  • Such program modules may be included in the optical-only pulse wave signal measuring apparatus 200 in the form of an operating system, an application module, and other program modules, and may be physically stored on various known storage devices.
  • program modules may be stored in a remote storage device that can communicate with the optical-only pulse wave signal measuring apparatus 200.
  • program modules include, but are not limited to, routines, subroutines, programs, objects, components, data structures, etc. that perform particular tasks or execute particular abstract data types, described below, in accordance with the present invention.
  • FIG. 4 is a diagram illustrating an example of a photoelectric pulse wave signal measuring apparatus according to an embodiment of the present invention.
  • the light emitting unit 210 is light of the first wavelength range and light of the second wavelength range with respect to the human body (for example, finger, wrist, etc.) of the user to be measured It can perform the function of investigating.
  • the light emitting unit 210 according to an embodiment of the present invention, the first light emitting unit 211 and the second light emitting unit 212 for emitting light of the first wavelength range and light of the second wavelength range, respectively It may include, and may be made of a light emitting diode (LED) capable of generating light in a first wavelength range or light in a second wavelength range according to a predetermined period.
  • LED light emitting diode
  • the light in the first wavelength range may include visible light in the wavelength range of 490 nm to 780 nm
  • the light in the second wavelength range may include infrared light in the wavelength range of 800 nm to 980 nm.
  • the illuminance or the second illuminance may be adjusted in a direction to match the predetermined reference illuminance. That is, according to one embodiment of the present invention, the light of the first wavelength range irradiated on the human body of the user so that the difference between at least one of the first and second illuminance and the predetermined reference illuminance is less than the predetermined level
  • brightness of at least one of the light in the second wavelength range can be adaptively adjusted.
  • the first light emitter 211 may make the first illuminance coincide with the preset illuminance.
  • the brightness of light in the first wavelength range to be irradiated can be increased.
  • the second light emitter 212 may be configured to match the preset reference illuminance.
  • the brightness of the light of the second wavelength range irradiated at may be reduced.
  • the function of adjusting the brightness of the light of the first wavelength range or the light of the second wavelength range may be performed by the controller 270.
  • the light receiving unit 220 may perform a function of sensing the light of the first wavelength range and the light of the second wavelength range, respectively.
  • the light receiving unit 220 may include a first light receiving unit 221 and a second light receiving unit 222 that detect light in a first wavelength range and light in a second wavelength range, respectively. And a photodiode capable of sensing light in the first wavelength range or light in the second wavelength range.
  • the light detected by the light receiving unit 220 may include not only the light irradiated by the light emitting unit 210 and reflected from the human body of the user, but also ambient light irradiated from an external light source. .
  • the light of the first wavelength range and the light of the second wavelength range detected by the light receiving unit 220 respectively, the first filter unit 241 and the second filter unit 242
  • the first filter part 241 and the second filter part 242 may each include a filter for selectively transmitting light in a first wavelength range and light in a second wavelength range. Can be.
  • the illuminance sensor unit 230 is the light and the second wavelength range of the first wavelength range incident through each of the first filter unit 241 and the second filter unit 242.
  • the first illuminance and the second illuminance of each illuminance of the light may be measured.
  • the illuminance sensor unit 230 may include a first illuminance sensor unit 231 and a second illuminance sensor unit 232 for detecting the first illuminance and the second illuminance, respectively.
  • the first illuminance sensor 231 and the second illuminance sensor 232 may be disposed around the first light receiver 221 and the second light receiver 222, respectively.
  • the calculation unit 250 generates the first photo-only pulse wave signal according to the light of the first wavelength range and the second photo-only pulse wave signal according to the light of the second wavelength range. Function can be performed.
  • the calculation unit 250 the first wavelength generated by each of the first light emitting unit 211 or the second light emitting unit 212 by the above-described control unit 270
  • the first or second illuminance is preset so that the difference between the first or second illuminance and the predetermined reference illuminance is less than the predetermined level.
  • the first optical-only pulse wave signal or the second light is generated according to the light of the first wavelength range or the light of the second wavelength range sensed by the first light receiver 221 or the second light receiver 222, respectively. It is possible to generate a photoelectric pulse wave signal respectively.
  • the calculation unit 250 when the first illuminance or the second illuminance exceeds a predetermined reference illuminance, the relative between the first illuminance or the second illuminance and the predetermined reference illuminance With reference to the ratio, the intensity of the first photo-only pulse wave signal or the second photo-only pulse wave signal may be corrected (scaled). For example, when the first illuminance measured by the first illuminance sensor unit 231 is 2000 lux and the preset reference illuminance is 1000 lux, the light of the first wavelength range detected by the first light receiver 221 is applied. The intensity of the first photoelectric pulse wave signal may be scaled by 1/2.
  • an effect of accurately measuring the photoelectric pulse wave signal can be achieved in an environment in which the brightness of the ambient light is not constant due to the external light source without employing the conventional shielding structure causing the space constraint. .
  • the calculation unit 250 calculates the oxygen saturation degree in the blood of the user's body with reference to the first photo-only pulse wave signal and the second photo-only pulse wave signal generated as described above. Function can be performed.
  • the calculation unit 250 based on a conventional oxygen saturation calculation model that can be applied when the detected illuminance matches the preset reference illuminance, the oxygen saturation easily Can be calculated.
  • the first light-only output derived as a result of adaptively controlling the brightness of the light generated by the light emitting unit 210 or adaptively correcting the photo-only pulse wave signal generated from the light detected by the light receiving unit 220. Since the pulse wave signal and the second photo-proprietary pulse wave signal may be applied to the conventional oxygen saturation calculation model as it is, the calculation unit 250 according to an embodiment of the present invention may perform the above-described first photo-dedicated pulse wave signal. And the oxygen saturation degree can be calculated with reference to the second photo-only pulse wave signal and the conventional oxygen saturation degree calculation model.
  • the oxygen saturation calculation model according to the embodiment of the present invention includes the above-mentioned first photo-only pulse wave signal (ie, red light signal) and second photo-only pulse wave signal (ie, infrared light). It can be a model for calculating the oxygen content of hemoglobin in the blood based on the difference in the alternating current component).
  • the oxygen saturation calculation model according to the present invention is not necessarily limited to those listed above, it will be appreciated that can be changed as many as possible within the scope of the object of the present invention.
  • FIG. 5 is a diagram exemplarily illustrating a process of measuring an optical exclusive pulse wave signal and an oxygen saturation degree according to an embodiment of the present invention.
  • the first light emitter 211 and the second light emitter 212 respectively emit red light in the first wavelength range and infrared light in the second wavelength range (IR).
  • the first light receiving unit 221 and the second light receiving unit 222 may be emitted to the human body 120 of the user, the red light of the first wavelength range reflected from the user's human body or irradiated from an external light source and Infrared light of a second wavelength range may be respectively detected.
  • the first illuminance sensor unit 231 and the second illuminance sensor unit 232 may include the first light receiver 221 and the second light receiver 222. It is disposed in the periphery, respectively, to measure the illuminance of the red light of the first wavelength range and the infrared light of the second wavelength range.
  • the calculation unit 250 may include a first photodedicated pulse wave signal according to light in the detected first wavelength range and the detected second wavelength.
  • the second photoelectric pulse wave signal may be generated according to the light in the range.
  • the calculation unit 250 according to an embodiment of the present invention may calculate the oxygen saturation level in the blood of the user with reference to the first photo-only pulse wave signal and the second photo-only pulse wave signal generated as described above. .
  • the control unit 270 may have a red color in the first wavelength range measured by the first illuminance sensor unit 231 or the second illuminance sensor unit 232, respectively.
  • the brightness (intensity) of the infrared light in the second wavelength range can be adaptively adjusted.
  • the communication unit 260 performs a function of allowing the optical exclusive pulse wave signal measuring apparatus 200 to communicate with an external device.
  • control unit 270 is the light emitting unit 210, the light receiving unit 220, the illumination sensor 230, the filter unit 240, the calculation unit 250 and the communication unit 260 It controls the flow of data. That is, the controller 270 controls the flow of data from the outside or between the respective components of the optical-only pulse wave signal measuring apparatus 200, so that the light emitting unit 210, the light receiving unit 220, the illuminance sensor unit 230, The filter 240, the calculator 250, and the communicator 260 each control to perform a unique function.
  • the optical dedicated pulse wave signal measuring apparatus 200 in addition to the function of adaptively adjusting the brightness of the light of the first wavelength range or the light of the second wavelength range, the first optical only And adaptively correct the intensity of the pulse wave signal or the second photo-only pulse wave signal.
  • the calculation unit 250 of the photoelectric pulse wave signal measuring apparatus 200 is measured by each of the first illuminance sensor unit 231 and the second illuminance sensor unit 232. If the difference between at least one of the first illuminance and the second illuminance and the predetermined reference illuminance is greater than or equal to a predetermined level, refer to the relative relationship between the at least one of the first and second illuminance measured above and the predetermined reference illuminance. In this case, a function of correcting at least one of the first photo-only pulse wave signal and the second photo-only pulse wave signal may be performed.
  • the calculation unit 250 based on the relative ratio between at least one of the above-described first illumination and second illumination and the predetermined reference illumination, the first photoelectric only A correction for scaling the intensity of at least one of the pulse wave signal and the second photo-proprietary pulse wave signal may be performed.
  • the first illuminance measured by the first illuminance sensor unit 231 is 2000 lux and the preset reference illuminance is 1000 lux
  • the light of the first wavelength range detected by the first light receiver 221 is applied.
  • the intensity of the first photoelectric pulse wave signal may be scaled by 1/2.
  • the second illuminance measured by the second illuminance sensor unit 232 is 2000 lux and the preset reference illuminance is 1000 lux
  • the light of the second wavelength range detected by the second light receiver 222 is detected.
  • the intensity of the second photoelectric pulse wave signal may be scaled by 1/3.
  • the photo-only pulse wave signal measuring apparatus 200 without using a conventional shielding structure causing a space constraint, in an environment where the brightness of the ambient light is not constant due to the external light source The effect of being able to accurately measure photoelectric pulse wave signals is achieved.
  • the calculation unit 250 of the optical dedicated pulse wave signal measuring apparatus 200 with reference to the first optical pulse pulse wave signal and the second optical pulse pulse wave signal after the correction as described above
  • the function of calculating the oxygen saturation in the blood of the user's body may be performed.
  • the calculation unit 250 may calculate the oxygen saturation based on the oxygen saturation calculation model that can be applied when the detected illuminance coincides with a preset reference illuminance.
  • the first photo-only pulse wave signal and the second photo-only pulse wave signal whose intensity is adaptively corrected based on a predetermined reference illuminance may be applied as it is to the oxygen saturation calculation model as described above
  • the calculation unit 250 according to the embodiment may calculate the oxygen saturation with reference to the first photo-only pulse wave signal and the second photo-only pulse wave signal that have been corrected above and the oxygen saturation calculation model.
  • FIG. 6 is a diagram illustrating a process of measuring the oxygen saturation degree in accordance with another embodiment of the present invention.
  • the first light emitter 211 and the second light emitter 212 may emit red light in the first wavelength range and infrared light in the second wavelength range, respectively.
  • the first light receiving unit 221 and the second light receiving unit 222 may be emitted to the human body 120 of the user, the red light of the first wavelength range reflected from the user's human body or irradiated from an external light source and Infrared light of a second wavelength range may be respectively detected.
  • the first illuminance sensor 231 and the second illuminance sensor 232 may include the first light receiver 221 and the second light receiver 222. It is disposed in the periphery, respectively, to measure the illuminance of the red light of the first wavelength range and the infrared light of the second wavelength range.
  • the calculation unit 250 may include a first photodedicated pulse wave signal according to light in the detected first wavelength range and the detected second wavelength.
  • the second photoelectric pulse wave signal may be generated according to the light in the range.
  • the calculation unit 250 according to another embodiment of the present invention based on the relative ratio between at least one of the above-described first and second illuminance and the predetermined reference illuminance, the first optical-only pulse wave signal And scaling the intensity of at least one of the second photoelectric pulse wave signals.
  • the calculation unit 250 refers to the first optical-only pulse wave signal and the second optical-only pulse wave signal, which have been corrected above, by referring to the blood of the user.
  • the oxygen saturation degree can be calculated.
  • Embodiments according to the present invention described above may be implemented in the form of program instructions that may be executed by various computer components, and may be recorded on a non-transitory computer readable recording medium.
  • the non-transitory computer readable recording medium may include program instructions, data files, data structures, etc. alone or in combination.
  • the program instructions recorded on the non-transitory computer readable recording medium may be those specially designed and configured for the present invention, or may be known and available to those skilled in the computer software arts.
  • non-transitory computer readable recording media include magnetic media such as hard disks, floppy disks and magnetic tape, optical recording media such as CD-ROMs, DVDs, magnetic-optical media such as floppy disks ( magneto-optical media) and hardware devices specifically configured to store and execute program instructions, such as ROM, RAM, flash memory, and the like.
  • program instructions include not only machine code generated by a compiler, but also high-level language code that can be executed by a computer using an interpreter or the like.
  • the hardware device may be configured to operate as one or more software modules to perform the process according to the invention, and vice versa.

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Abstract

L'invention concerne un procédé et un appareil permettant de mesurer un signal de pléthysmographie optique, et un support d'enregistrement lisible par ordinateur non transitoire. Selon la présente invention, il est possible de réaliser des effets permettant d'obtenir un signal de pléthysmographie optique précis même dans un environnement au sein duquel la luminosité de la lumière ambiante n'est pas constante en raison d'une source de lumière externe, et permettant d'augmenter la précision de diverses d'informations biométriques aptes à être dérivées à partir d'une pléthysmographie optique.
PCT/KR2016/007893 2015-07-20 2016-07-20 Procédé et appareil de mesure d'un signal de pléthysmographie optique, et support d'enregistrement lisible par ordinateur non transitoire WO2017014550A1 (fr)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
KR10-2015-0102694 2015-07-20
KR10-2015-0102695 2015-07-20
KR20150102695 2015-07-20
KR20150102694 2015-07-20
KR10-2016-0023632 2016-02-26
KR10-2016-0023600 2016-02-26
KR1020160023600A KR20170010713A (ko) 2015-07-20 2016-02-26 광전용적맥파 신호를 측정하기 위한 방법, 장치 및 비일시성의 컴퓨터 판독 가능한 기록 매체
KR1020160023632A KR20170010714A (ko) 2015-07-20 2016-02-26 광전용적맥파 신호를 측정하기 위한 방법, 장치 및 비일시성의 컴퓨터 판독 가능한 기록 매체

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WO2017014550A1 true WO2017014550A1 (fr) 2017-01-26

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3564786A1 (fr) * 2018-05-02 2019-11-06 Nokia Technologies Oy Appareil, procédé, programme informatique et dispositif électronique de surveillance d'un paramètre biométrique
WO2023243831A1 (fr) * 2022-06-13 2023-12-21 삼성전자주식회사 Dispositif habitronique et dispositif électronique pour l'estimation d'un pourcentage de matériau cible, et leur procédé de fonctionnement
CN117481644A (zh) * 2024-01-03 2024-02-02 中国人民解放军总医院第二医学中心 一种老年患者围术期无线血氧监测方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003169780A (ja) * 2001-12-06 2003-06-17 Nippon Seimitsu Sokki Kk 光電脈波式脈拍測定装置
KR20030054607A (ko) * 2001-12-26 2003-07-02 주식회사 멕 광센서의 광량 제어 방법
US20130127714A1 (en) * 2011-11-22 2013-05-23 Pixart Imaging Inc. User interface system and optical finger mouse system
KR20150082038A (ko) * 2014-01-07 2015-07-15 삼성전자주식회사 전자 장치 및 광혈류 측정 방법
KR20150083000A (ko) * 2014-01-07 2015-07-16 삼성전자주식회사 전자장치의 심박수 측정장치 및 방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003169780A (ja) * 2001-12-06 2003-06-17 Nippon Seimitsu Sokki Kk 光電脈波式脈拍測定装置
KR20030054607A (ko) * 2001-12-26 2003-07-02 주식회사 멕 광센서의 광량 제어 방법
US20130127714A1 (en) * 2011-11-22 2013-05-23 Pixart Imaging Inc. User interface system and optical finger mouse system
KR20150082038A (ko) * 2014-01-07 2015-07-15 삼성전자주식회사 전자 장치 및 광혈류 측정 방법
KR20150083000A (ko) * 2014-01-07 2015-07-16 삼성전자주식회사 전자장치의 심박수 측정장치 및 방법

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3564786A1 (fr) * 2018-05-02 2019-11-06 Nokia Technologies Oy Appareil, procédé, programme informatique et dispositif électronique de surveillance d'un paramètre biométrique
WO2019211516A1 (fr) * 2018-05-02 2019-11-07 Nokia Technologies Oy Appareil, procédé, programme informatique et dispositif électronique pour surveiller un paramètre biométrique
WO2023243831A1 (fr) * 2022-06-13 2023-12-21 삼성전자주식회사 Dispositif habitronique et dispositif électronique pour l'estimation d'un pourcentage de matériau cible, et leur procédé de fonctionnement
CN117481644A (zh) * 2024-01-03 2024-02-02 中国人民解放军总医院第二医学中心 一种老年患者围术期无线血氧监测方法
CN117481644B (zh) * 2024-01-03 2024-04-02 中国人民解放军总医院第二医学中心 一种老年患者围术期无线血氧监测方法

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