JP2013510678A - 複合型生理学的センサのシステムおよび方法 - Google Patents
複合型生理学的センサのシステムおよび方法 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000003287 optical effect Effects 0.000 claims abstract description 60
- 239000013307 optical fiber Substances 0.000 claims abstract description 20
- 238000001514 detection method Methods 0.000 abstract description 14
- 238000012544 monitoring process Methods 0.000 abstract description 14
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 17
- 229910052760 oxygen Inorganic materials 0.000 description 17
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- 239000008280 blood Substances 0.000 description 14
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- 238000009530 blood pressure measurement Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
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- 230000031700 light absorption Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 238000012935 Averaging Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
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- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
- 229940043274 prophylactic drug Drugs 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/25—Bioelectric electrodes therefor
- A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
- A61B5/291—Bioelectric electrodes therefor specially adapted for particular uses for electroencephalography [EEG]
-
- 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
- A61B5/145—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
- A61B5/14551—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 for measuring blood gases
-
- 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
- A61B2562/18—Shielding or protection of sensors from environmental influences, e.g. protection from mechanical damage
- A61B2562/182—Electrical shielding, e.g. using a Faraday cage
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Medical Informatics (AREA)
- Surgery (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Molecular Biology (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Cardiology (AREA)
- Physiology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Optics & Photonics (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
Description
但し、
λ=波長、
t=時間、
I=検出光の強度、
I0=透過光の強度、
s=酸素飽和度、
β0、βr=経験的に導出された吸収係数、および、
l(t)=濃度と、エミッタから検出器までの経路長さとの時間関数としての組合せである。
log I=log Io−(sβo+(1−s)βr)l (2)
のように書き直されることが可能である。但し、Rは「比の比」を表す。式(5)を用いてsについて式(4)を解けば、
を用いれば、式(5)は、
になる。これは、
Claims (20)
- 生理学的センサデバイスであって、
被検者の第1の電気信号を受信するように構成される第1のセンサと、
被検者へ第1の光信号を送信し、かつ被検者から第1の光信号を受信するように構成される第2のセンサとを備え、第2のセンサは、
第1の光信号を送信または受信するように構成される光学的開口を備え、第2のセンサは、第1の光信号を発生させるための回路、または第1の光信号を第2の電気信号に変換するための回路と結合されることが可能であり、かつ回路は、回路と第1のセンサとの間の電気的干渉を低減するために第1のセンサから遠隔に配置される、生理学的センサデバイス。 - 光学的開口が第1のセンサの近くに配置される、請求項1に記載のデバイス。
- 第1のセンサがEEGセンサであり、かつ第1の電気信号がEEG信号である、請求項1に記載のデバイス。
- 第2のセンサがPPGセンサである、請求項1に記載のデバイス。
- 光学的開口と回路とが少なくとも1つの光ファイバ線によって結合される、請求項1に記載のデバイス。
- 第1の光信号が第2のセンサによって被検者内へ送信され、かつ第2のセンサが被検者から第2の光信号を受信するように構成される、請求項1に記載のデバイス。
- 第1の光信号が回路によって発生され、かつ第2の光信号は回路によって第2の電気信号に変換される、請求項6に記載のデバイス。
- 第1の光信号が少なくとも1つの波長の光を含む、請求項6に記載のデバイス。
- 第1の光信号が複数の波長の光を含む、請求項6に記載のデバイス。
- 回路が第2のセンサの一部として含まれる、請求項1に記載のデバイス。
- 回路が第2のセンサから遠隔に存在するモニタ内に含まれる、請求項1に記載のデバイス。
- 生理学的信号を受信するための方法であって、
被検者の第1の電気信号を第1のセンサによって受信するステップと、
第1の光信号を被検者内へ第2のセンサによって送信するステップとを含み、第2のセンサは、
第1の光信号を送信するように構成される光学的開口を備え、第2のセンサは、第1の光信号を発生させるための回路と結合されることが可能であり、かつ回路は、回路と第1のセンサとの間の電気的干渉を低減するために第1のセンサから遠隔に配置される、方法。 - 光学的開口が第1のセンサの近くに配置される、請求項12に記載の方法。
- 第1のセンサがEEGセンサであり、かつ第1の電気信号がEEG信号である、請求項12に記載の方法。
- 第2のセンサがPPGセンサである、請求項12に記載の方法。
- 光学的開口と回路とが少なくとも1つの光ファイバ線によって結合される、請求項12に記載の方法。
- 第1の光信号が少なくとも1つの波長の光を含む、請求項12に記載の方法。
- 第1の光信号が複数の波長の光を含む、請求項12に記載の方法。
- 回路が第2のセンサから遠隔に存在するモニタ内に含まれる、請求項12に記載の方法。
- 生理学的信号を受信するための方法であって、
被検者の第1の電気信号を第1のセンサによって受信するステップと、
被検者の第1の光信号を第2のセンサによって受信するステップとを含み、第2のセンサは、
第1の光信号を受信するように構成される光学的開口を備え、第2のセンサは、第1の光信号を第2の電気信号に変換するための回路と結合されることが可能であり、かつ回路は、回路と第1のセンサとの間の電気的干渉を低減するために第1のセンサから遠隔に配置される、方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US26073409P | 2009-11-12 | 2009-11-12 | |
US61/260,734 | 2009-11-12 | ||
PCT/US2010/056452 WO2011060220A1 (en) | 2009-11-12 | 2010-11-12 | Systems and methods for combined physiological sensors |
Publications (1)
Publication Number | Publication Date |
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JP2013510678A true JP2013510678A (ja) | 2013-03-28 |
Family
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Application Number | Title | Priority Date | Filing Date |
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JP2012538999A Pending JP2013510678A (ja) | 2009-11-12 | 2010-11-12 | 複合型生理学的センサのシステムおよび方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20110112382A1 (ja) |
EP (1) | EP2498675A1 (ja) |
JP (1) | JP2013510678A (ja) |
AU (1) | AU2010319403A1 (ja) |
CA (1) | CA2780005A1 (ja) |
WO (1) | WO2011060220A1 (ja) |
Cited By (1)
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2010
- 2010-11-12 EP EP10787603A patent/EP2498675A1/en not_active Withdrawn
- 2010-11-12 AU AU2010319403A patent/AU2010319403A1/en not_active Abandoned
- 2010-11-12 JP JP2012538999A patent/JP2013510678A/ja active Pending
- 2010-11-12 WO PCT/US2010/056452 patent/WO2011060220A1/en active Application Filing
- 2010-11-12 CA CA2780005A patent/CA2780005A1/en not_active Abandoned
- 2010-11-12 US US12/944,950 patent/US20110112382A1/en not_active Abandoned
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JP2018061826A (ja) * | 2016-10-12 | 2018-04-19 | 三星電子株式会社Samsung Electronics Co.,Ltd. | 生体情報推定装置及び方法並びに血圧情報推定装置 |
US11666277B2 (en) | 2016-10-12 | 2023-06-06 | Samsung Electronics Co., Ltd. | Apparatus and method for estimating biometric information |
Also Published As
Publication number | Publication date |
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CA2780005A1 (en) | 2011-05-19 |
US20110112382A1 (en) | 2011-05-12 |
EP2498675A1 (en) | 2012-09-19 |
AU2010319403A1 (en) | 2012-05-10 |
WO2011060220A1 (en) | 2011-05-19 |
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