JP2020156714A - 血圧計測装置及びその方法 - Google Patents
血圧計測装置及びその方法 Download PDFInfo
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- JP2020156714A JP2020156714A JP2019058770A JP2019058770A JP2020156714A JP 2020156714 A JP2020156714 A JP 2020156714A JP 2019058770 A JP2019058770 A JP 2019058770A JP 2019058770 A JP2019058770 A JP 2019058770A JP 2020156714 A JP2020156714 A JP 2020156714A
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- 230000036772 blood pressure Effects 0.000 title claims abstract description 68
- 238000000034 method Methods 0.000 title claims description 15
- 238000001514 detection method Methods 0.000 claims description 25
- 230000000737 periodic effect Effects 0.000 claims description 14
- 238000009530 blood pressure measurement Methods 0.000 claims description 5
- 238000005259 measurement Methods 0.000 abstract description 11
- 150000002632 lipids Chemical class 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 description 11
- 230000008859 change Effects 0.000 description 11
- 238000004891 communication Methods 0.000 description 9
- 210000004369 blood Anatomy 0.000 description 8
- 239000008280 blood Substances 0.000 description 8
- 238000012545 processing Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000011088 calibration curve Methods 0.000 description 2
- 210000003850 cellular structure Anatomy 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
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- 239000010409 thin film Substances 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 210000000601 blood cell Anatomy 0.000 description 1
- 210000001772 blood platelet Anatomy 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000010339 dilation Effects 0.000 description 1
- 210000000624 ear auricle Anatomy 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 210000003743 erythrocyte Anatomy 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 210000000265 leukocyte Anatomy 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- A61B5/021—Measuring pressure in heart or blood vessels
-
- 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
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
- A61B5/0075—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence by spectroscopy, i.e. measuring spectra, e.g. Raman spectroscopy, infrared absorption spectroscopy
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
- A61B5/0082—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes
-
- 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
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7228—Signal modulation applied to the input signal sent to patient or subject; demodulation to recover the physiological signal
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7271—Specific aspects of physiological measurement analysis
- A61B5/7278—Artificial waveform generation or derivation, e.g. synthesising signals from measured signals
-
- 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
- A61B2562/0233—Special features of optical sensors or probes classified in A61B5/00
- A61B2562/0238—Optical sensor arrangements for performing transmission measurements on body tissue
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7235—Details of waveform analysis
- A61B5/7253—Details of waveform analysis characterised by using transforms
- A61B5/7257—Details of waveform analysis characterised by using transforms using Fourier transforms
Abstract
Description
波高=受光強度tp(mV)−受光強度tb(mV)
11:照射部
12:受光強度検出部
13:制御部
Claims (7)
- 表面に第1層と前記第1層の下部に前記第1層より光を吸収する第2層とを有する被検体へ周期性を有する光を照射する照射部と、
前記照射部から、前記周期性を有する光が、前記第1層及び前記第2層を通過して、周期性を失った光となって検出される距離に配置され、前記被検体から放出された前記周期性を失った光の強度を検出する光強度検出部と、
前記周期性を失った光の強度から前記被検体内の血圧を算出する制御部と、
を有することを特徴とする血圧計測装置。 - 前記周期性を有する光が前記周期性を失った光となって検出される距離は、前記照射部からの入射光強度に対し1/20以上の受光強度が得られる距離である、請求項1に記載の血圧計測装置。
- 前記周期性を有する光が前記周期性を失った光となって検出される距離は、FFT解析で前記照射部からの光の周期が確認できない距離である、請求項1に記載の血圧測定装置。
- 前記制御部は、所定の期間における前記周期性を失った光の強度の最大値と最小値との差から前記被検体の血圧を算出する、請求項1に記載の血圧測定装置。
- 前記所定の期間は、略100msである、請求項4に記載の血圧計測装置。
- 表面に第1層と前記第1層の下部に前記第1層より光を吸収する第2層とを有する被検体へ周期性を有する光を照射する照射部と、前記照射部から、前記周期性を有する光が、前記第1層及び前記第2層を通過して、周期性を失った光となって検出される距離に配置され、前記被検体から放出された前記周期性を失った光の強度を検出する光強度検出部と、を有するユーザー装置に、通信可能に接続した血圧計測装置であって、
前記ユーザー装置から送信された前記周期性を失った光の強度から前記被検体内の血圧を算出する制御部を有することを特徴とする血圧計測装置。 - 表面に第1層と前記第1層の下部に前記第1層より光を吸収する第2層とを有する被検体へ周期性を有する光を照射し、
前記照射位置から、前記周期性を有する光が、前記第1層及び前記第2層を通過して、周期性を失った光となって検出される位置での、前記被検体から放出された前記周期性を失った光の強度を検出し、
前記周期性を失った光の強度から前記被検体内の血圧を算出する、
ことを特徴とする血圧計測方法。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019058770A JP6723572B1 (ja) | 2019-03-26 | 2019-03-26 | 血圧計測装置及びその方法 |
PCT/JP2020/012926 WO2020196488A1 (ja) | 2019-03-26 | 2020-03-24 | 血圧計測装置及びその方法 |
US17/441,350 US20220151501A1 (en) | 2019-03-26 | 2020-03-24 | Blood pressure measurement device and method therefor |
EP20777510.7A EP3949839A4 (en) | 2019-03-26 | 2020-03-24 | BLOOD PRESSURE MEASUREMENT DEVICE AND METHOD |
KR1020217034577A KR20210144817A (ko) | 2019-03-26 | 2020-03-24 | 혈압계측장치 및 그 방법 |
CN202080024354.3A CN113631086A (zh) | 2019-03-26 | 2020-03-24 | 血压测量装置和用于该装置的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019058770A JP6723572B1 (ja) | 2019-03-26 | 2019-03-26 | 血圧計測装置及びその方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP6723572B1 JP6723572B1 (ja) | 2020-07-15 |
JP2020156714A true JP2020156714A (ja) | 2020-10-01 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2019058770A Expired - Fee Related JP6723572B1 (ja) | 2019-03-26 | 2019-03-26 | 血圧計測装置及びその方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20220151501A1 (ja) |
EP (1) | EP3949839A4 (ja) |
JP (1) | JP6723572B1 (ja) |
KR (1) | KR20210144817A (ja) |
CN (1) | CN113631086A (ja) |
WO (1) | WO2020196488A1 (ja) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006102166A (ja) * | 2004-10-06 | 2006-04-20 | Nippon Telegr & Teleph Corp <Ntt> | 血圧計 |
JP2006102191A (ja) * | 2004-10-06 | 2006-04-20 | Nippon Telegr & Teleph Corp <Ntt> | 血圧測定装置 |
JP2006102261A (ja) * | 2004-10-06 | 2006-04-20 | Nippon Telegr & Teleph Corp <Ntt> | 光電式血圧計 |
JP2006280393A (ja) * | 2005-03-31 | 2006-10-19 | Terumo Corp | 血圧管理システム |
JP2008079688A (ja) * | 2006-09-26 | 2008-04-10 | Citizen Holdings Co Ltd | 血圧測定装置 |
JP2010036799A (ja) * | 2008-08-07 | 2010-02-18 | Nippon Soken Inc | エンジン始動制御装置 |
JP2015039542A (ja) * | 2013-08-22 | 2015-03-02 | セイコーエプソン株式会社 | 脈波測定装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013148753A1 (en) * | 2012-03-28 | 2013-10-03 | Wayne State University | Sensor and method for continuous health monitoring |
JP6241853B2 (ja) | 2012-12-06 | 2017-12-06 | 国立大学法人北海道大学 | 非侵襲型生体脂質濃度計測器、非侵襲型生体脂質代謝機能計測器、非侵襲による生体脂質濃度計測方法および非侵襲による生体脂質代謝機能検査方法 |
JP6683367B2 (ja) * | 2015-03-30 | 2020-04-22 | 国立大学法人東北大学 | 生体情報計測装置、生体情報計測方法及び生体情報計測プログラム |
KR102655669B1 (ko) * | 2016-07-20 | 2024-04-05 | 삼성전자주식회사 | 생체신호의 특징 추출 장치 및 방법과, 생체정보 검출 장치 |
-
2019
- 2019-03-26 JP JP2019058770A patent/JP6723572B1/ja not_active Expired - Fee Related
-
2020
- 2020-03-24 CN CN202080024354.3A patent/CN113631086A/zh not_active Withdrawn
- 2020-03-24 US US17/441,350 patent/US20220151501A1/en active Pending
- 2020-03-24 KR KR1020217034577A patent/KR20210144817A/ko unknown
- 2020-03-24 EP EP20777510.7A patent/EP3949839A4/en not_active Withdrawn
- 2020-03-24 WO PCT/JP2020/012926 patent/WO2020196488A1/ja unknown
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006102166A (ja) * | 2004-10-06 | 2006-04-20 | Nippon Telegr & Teleph Corp <Ntt> | 血圧計 |
JP2006102191A (ja) * | 2004-10-06 | 2006-04-20 | Nippon Telegr & Teleph Corp <Ntt> | 血圧測定装置 |
JP2006102261A (ja) * | 2004-10-06 | 2006-04-20 | Nippon Telegr & Teleph Corp <Ntt> | 光電式血圧計 |
JP2006280393A (ja) * | 2005-03-31 | 2006-10-19 | Terumo Corp | 血圧管理システム |
JP2008079688A (ja) * | 2006-09-26 | 2008-04-10 | Citizen Holdings Co Ltd | 血圧測定装置 |
JP2010036799A (ja) * | 2008-08-07 | 2010-02-18 | Nippon Soken Inc | エンジン始動制御装置 |
JP2015039542A (ja) * | 2013-08-22 | 2015-03-02 | セイコーエプソン株式会社 | 脈波測定装置 |
Also Published As
Publication number | Publication date |
---|---|
US20220151501A1 (en) | 2022-05-19 |
KR20210144817A (ko) | 2021-11-30 |
EP3949839A4 (en) | 2022-11-30 |
CN113631086A (zh) | 2021-11-09 |
WO2020196488A1 (ja) | 2020-10-01 |
EP3949839A1 (en) | 2022-02-09 |
JP6723572B1 (ja) | 2020-07-15 |
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