KR20100091592A - 손목형 맥파 측정장치 - Google Patents
손목형 맥파 측정장치 Download PDFInfo
- Publication number
- KR20100091592A KR20100091592A KR1020090010865A KR20090010865A KR20100091592A KR 20100091592 A KR20100091592 A KR 20100091592A KR 1020090010865 A KR1020090010865 A KR 1020090010865A KR 20090010865 A KR20090010865 A KR 20090010865A KR 20100091592 A KR20100091592 A KR 20100091592A
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- Prior art keywords
- ppg
- wrist
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- sensor
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- 210000000707 wrist Anatomy 0.000 title claims abstract description 72
- 230000033001 locomotion Effects 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 14
- 210000003462 vein Anatomy 0.000 claims description 12
- 210000001367 artery Anatomy 0.000 claims description 10
- 230000005855 radiation Effects 0.000 claims description 5
- 238000005259 measurement Methods 0.000 abstract description 14
- 210000004204 blood vessel Anatomy 0.000 abstract description 7
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000013186 photoplethysmography Methods 0.000 description 122
- 229920001451 polypropylene glycol Polymers 0.000 description 39
- 239000000523 sample Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 10
- 239000008280 blood Substances 0.000 description 4
- 210000004369 blood Anatomy 0.000 description 4
- 101100166455 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) ccg-4 gene Proteins 0.000 description 3
- 101150114608 PPG1 gene Proteins 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 200000000007 Arterial disease Diseases 0.000 description 1
- 208000018262 Peripheral vascular disease Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
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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 for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
- A61B5/024—Measuring 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
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6802—Sensor mounted on worn items
- A61B5/681—Wristwatch-type devices
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Cardiology (AREA)
- Physics & Mathematics (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Physiology (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
Description
Claims (9)
- 손목형 맥파 측정장치에 있어서,손목에 착용 가능하게 형성된 손목착용수단;상기 손목착용수단에 어레이 형태로 배열 및 설치된 다수의 PPG 센서; 및상기 다수의 PPG 센서로부터 입력되는 신호들을 합산 처리하여 잡음을 제거함으로써 PPG 신호를 산출하는 PPG 측정수단을 포함하는 것을 특징으로 하는 손목형 맥파 측정장치.
- 손목형 맥파 측정장치에 있어서,손목에 착용 가능하게 형성된 손목착용수단;상기 손목착용수단에 어레이 형태로 배열 및 설치된 다수의 PPG 센서;상기 다수의 PPG 센서에 개별적으로 전원을 공급하는 전원공급부; 및상기 다수의 PPG 센서로부터 입력되는 신호들에 기초하여 PPG 레퍼런스 신호를 검출하고, 상기 PPG 레퍼런스 신호와 상기 다수의 PPG 센서의 신호들과의 연관성을 분석하여 상기 전원공급부가 상기 연관성이 높은 신호에 대응하는 적어도 하나의 PPG 센서에만 전원을 공급하도록 제어하는 PPG 측정수단을 포함하는 것을 특징으로 하는 손목형 맥파 측정장치.
- 손목형 맥파 측정장치에 있어서,손목에 착용 가능하게 형성된 손목착용수단;상기 손목착용수단에 어레이 형태로 배열 및 설치되는 것으로서, 동맥의 맥파를 감지하는 적어도 하나의 동맥-PPG 센서와 정맥의 맥파를 감지하는 적어도 하나의 정맥-PPG 센서를 포함하는 다수의 PPG 센서; 및상기 적어도 하나의 정맥-PPG 센서로부터 입력되는 신호를 상기 적어도 하나의 동맥-PPG 센서로부터 입력되는 신호의 잡음-레퍼런스로 설정하여, 상기 적어도 하나의 동맥-PPG 센서로부터 입력되는 신호에 섞인 잡음을 제거하여 PPG 신호를 산출하는 PPG 측정수단을 포함하는 것을 특징으로 하는 손목형 맥파 측정장치.
- 제3항에 있어서,상기 PPG 측정수단은 상기 적어도 하나의 정맥-PPG 센서로부터 입력되는 신호를 합산처리하여 정맥-PPG 신호를 검출하고, 상기 적어도 하나의 동맥-PPG 센서로부터 입력되는 신호를 합산처리하여 동맥-PPG 신호를 검출하며, 상기 정맥-PPG 신호를 상기 동맥-PPG 신호의 잡음-레퍼런스로 설정하여 상기 PPG 신호를 산출하는 것을 특징으로 하는 손목형 맥파 측정장치.
- 제1항 또는 제2항에 있어서,신체의 움직임에 따른 움직임 잡음을 측정하기 위한 전극을 더 포함하고,상기 PPG 측정수단은 상기 전극센서로부터 입력되는 신호를 잡음-레퍼런스로 설정하여, 상기 PPG 신호를 산출하는 것을 특징으로 하는 손목형 맥파 측정장치.
- 제1항 또는 제2항에 있어서,상기 PPG 센서는 광원과 광검출기가 하나의 일체형 모듈로 구성되는 것을 특징으로 하는 손목형 맥파 측정장치.
- 제3항 또는 제4항에 있어서,상기 동맥-PPG 센서는 광원과 광검출기가 분리된 모듈로 구성되고, 상기 정맥-PPG 센서는 상기 광원과 상기 광검출기가 하나의 일체형 모듈로 구성되는 것을 특징으로 하는 손목형 맥파 측정장치.
- 제7항에 있어서,상기 정맥-PPG 센서는 손목 장착시 상기 손목의 저면에 위치하도록 상기 손목장착수단에 설치되고,상기 동맥-PPG 센서는 상기 손목의 양측면에 위치하도록 상기 손목장착수단에 설치되며, 상기 광원의 강도와 반사각에 따른 상기 광검출기의 위치를 조절하여 설치되는 것을 특징으로 하는 손목형 맥파 측정장치.
- 제1항 또는 제2항에 있어서,상기 다수의 PPG 센서는 방사각이 넓은 광원 하나에 다수의 광검출기가 매칭되는 다수의 세트로 구성되는 것을 특징으로 하는 손목형 맥파 측정장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020090010865A KR20100091592A (ko) | 2009-02-11 | 2009-02-11 | 손목형 맥파 측정장치 |
Applications Claiming Priority (1)
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KR1020090010865A KR20100091592A (ko) | 2009-02-11 | 2009-02-11 | 손목형 맥파 측정장치 |
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KR20100091592A true KR20100091592A (ko) | 2010-08-19 |
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KR1020090010865A Abandoned KR20100091592A (ko) | 2009-02-11 | 2009-02-11 | 손목형 맥파 측정장치 |
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Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20180017408A (ko) | 2016-08-09 | 2018-02-21 | 울산대학교 산학협력단 | 맥파 측정 장치 |
US10318832B2 (en) | 2014-10-23 | 2019-06-11 | Samsung Electronics Co., Ltd. | Method and apparatus for authenticating user using vein pattern |
US10638961B2 (en) | 2015-07-02 | 2020-05-05 | Masimo Corporation | Physiological measurement devices, systems, and methods |
US10687717B1 (en) | 2015-09-30 | 2020-06-23 | Apple Inc. | PPG sensor having light arrival angle control at detector |
US10702194B1 (en) | 2008-07-03 | 2020-07-07 | Masimo Corporation | Multi-stream data collection system for noninvasive measurement of blood constituents |
US11638532B2 (en) | 2008-07-03 | 2023-05-02 | Masimo Corporation | User-worn device for noninvasively measuring a physiological parameter of a user |
US11868179B2 (en) | 2013-11-29 | 2024-01-09 | Ouraring, Inc. | Wearable computing device |
US12023153B2 (en) | 2017-02-13 | 2024-07-02 | Apple Inc. | Light restriction designs in optical sensing applications having shared windows |
US12064224B2 (en) | 2017-09-26 | 2024-08-20 | Apple Inc. | Concentric architecture for optical sensing |
US12072288B2 (en) | 2014-09-02 | 2024-08-27 | Apple Inc. | Multiple light paths architecture and obscuration methods for signal and perfusion index optimization |
US12114974B2 (en) | 2020-01-13 | 2024-10-15 | Masimo Corporation | Wearable device with physiological parameters monitoring |
US12161447B2 (en) | 2014-08-27 | 2024-12-10 | Apple Inc. | Reflective surfaces for PPG signal detection |
US12336796B2 (en) | 2021-07-13 | 2025-06-24 | Masimo Corporation | Wearable device with physiological parameters monitoring |
-
2009
- 2009-02-11 KR KR1020090010865A patent/KR20100091592A/ko not_active Abandoned
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US11642036B2 (en) | 2008-07-03 | 2023-05-09 | Masimo Corporation | User-worn device for noninvasively measuring a physiological parameter of a user |
US10912501B2 (en) | 2008-07-03 | 2021-02-09 | Masimo Corporation | User-worn device for noninvasively measuring a physiological parameter of a user |
US11751773B2 (en) | 2008-07-03 | 2023-09-12 | Masimo Corporation | Emitter arrangement for physiological measurements |
US11647914B2 (en) | 2008-07-03 | 2023-05-16 | Masimo Corporation | User-worn device for noninvasively measuring a physiological parameter of a user |
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US12161447B2 (en) | 2014-08-27 | 2024-12-10 | Apple Inc. | Reflective surfaces for PPG signal detection |
US12072288B2 (en) | 2014-09-02 | 2024-08-27 | Apple Inc. | Multiple light paths architecture and obscuration methods for signal and perfusion index optimization |
US10657400B2 (en) | 2014-10-23 | 2020-05-19 | Samsung Electronics Co., Ltd. | Method and apparatus with vein pattern authentication |
US10318832B2 (en) | 2014-10-23 | 2019-06-11 | Samsung Electronics Co., Ltd. | Method and apparatus for authenticating user using vein pattern |
US10646146B2 (en) | 2015-07-02 | 2020-05-12 | Masimo Corporation | Physiological monitoring devices, systems, and methods |
US10687744B1 (en) | 2015-07-02 | 2020-06-23 | Masimo Corporation | Physiological measurement devices, systems, and methods |
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US10687717B1 (en) | 2015-09-30 | 2020-06-23 | Apple Inc. | PPG sensor having light arrival angle control at detector |
US11627887B2 (en) | 2015-09-30 | 2023-04-18 | Apple Inc. | PPG sensor having light arrival angle control at detector |
KR20180017408A (ko) | 2016-08-09 | 2018-02-21 | 울산대학교 산학협력단 | 맥파 측정 장치 |
US12023153B2 (en) | 2017-02-13 | 2024-07-02 | Apple Inc. | Light restriction designs in optical sensing applications having shared windows |
US12064224B2 (en) | 2017-09-26 | 2024-08-20 | Apple Inc. | Concentric architecture for optical sensing |
US12318178B2 (en) | 2017-09-26 | 2025-06-03 | Apple Inc. | Concentric architecture for optical sensing |
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