JP4558288B2 - 弱い生理的信号を検出する生理監視システム - Google Patents
弱い生理的信号を検出する生理監視システム Download PDFInfo
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- JP4558288B2 JP4558288B2 JP2003272639A JP2003272639A JP4558288B2 JP 4558288 B2 JP4558288 B2 JP 4558288B2 JP 2003272639 A JP2003272639 A JP 2003272639A JP 2003272639 A JP2003272639 A JP 2003272639A JP 4558288 B2 JP4558288 B2 JP 4558288B2
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- Prior art keywords
- motion
- signal
- physiological
- monitoring system
- signals
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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
- A61B5/43—Detecting, measuring or recording for evaluating the reproductive systems
- A61B5/4306—Detecting, measuring or recording for evaluating the reproductive systems for evaluating the female reproductive systems, e.g. gynaecological evaluations
- A61B5/4343—Pregnancy and labour monitoring, e.g. for labour onset detection
- A61B5/4362—Assessing foetal parameters
-
- 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
- A61B5/02411—Detecting, measuring or recording pulse rate or heart rate of foetuses
-
- 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
- A61B2562/0247—Pressure sensors
-
- 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
- A61B2562/04—Arrangements of multiple sensors of the same type
- A61B2562/043—Arrangements of multiple sensors of the same type in a linear array
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Veterinary Medicine (AREA)
- Physics & Mathematics (AREA)
- Pregnancy & Childbirth (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Gynecology & Obstetrics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Cardiology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Physiology (AREA)
- Pediatric Medicine (AREA)
- Reproductive Health (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Description
式中、a、b、c及びdは距離依存スカラー係数であり、MRは母体呼吸であり、MHは母体心臓運動であり、FHは胎児心臓運動であり、OTは妊婦及び胎児の非周期的運動を含むその他の運動である。従って、連立方程式の系は各センサと関連付けられた方程式から構成されている。
Claims (6)
- 関心生理的信号(62)を監視する生理監視システム(10)において、
2つ以上の運動感知装置(32)を具備するセンサアレイ(24)と、
各運動感知装置(32)からの各々の信号(38)が集合運動(40)を記述するように、信号(38)を受信するように構成された信号収集回路(12)と、
前記信号収集回路(12)から信号(38)を受信し、信号(38)を同期化し、且つ関心生理的信号(62)が少なくとも1つの成分であるような集合運動(40)の2つ以上の成分が識別されるように、信号(38)を使用して一組の連立方程式を解くように構成された信号解析回路(14)とを具備する生理監視システム(10)。 - 関心生理的信号(62)は胎児心拍(46)に起因する運動成分である請求項1記載の生理監視システム(10)。
- 前記信号解析回路(14)は胎児心拍(46)に起因する運動成分から胎児心拍度数を判定する請求項2記載の生理監視システム(10)。
- 前記信号解析回路(14)は胎児心拍(46)に起因する運動成分から胎児心臓波形を判定する請求項2記載の生理監視システム(10)。
- 前記センサアレイ(24)は、前記2つ以上の運動感知装置(32)が配置されたパッド(34)を具備する請求項1記載の生理監視システム(10)。
- 前記信号解析回路(14)はテンソル解析により前記一組の連立方程式を解く請求項1記載の生理監視システム(10)。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/192,995 US6942621B2 (en) | 2002-07-11 | 2002-07-11 | Method and apparatus for detecting weak physiological signals |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2004033775A JP2004033775A (ja) | 2004-02-05 |
JP2004033775A5 JP2004033775A5 (ja) | 2006-08-24 |
JP4558288B2 true JP4558288B2 (ja) | 2010-10-06 |
Family
ID=30114444
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003272639A Expired - Fee Related JP4558288B2 (ja) | 2002-07-11 | 2003-07-10 | 弱い生理的信号を検出する生理監視システム |
Country Status (4)
Country | Link |
---|---|
US (1) | US6942621B2 (ja) |
JP (1) | JP4558288B2 (ja) |
CN (1) | CN100401977C (ja) |
DE (1) | DE10331330A1 (ja) |
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- 2002-07-11 US US10/192,995 patent/US6942621B2/en not_active Expired - Fee Related
-
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- 2003-07-10 JP JP2003272639A patent/JP4558288B2/ja not_active Expired - Fee Related
- 2003-07-10 DE DE10331330A patent/DE10331330A1/de not_active Withdrawn
- 2003-07-11 CN CNB031458971A patent/CN100401977C/zh not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
---|---|
US20040010210A1 (en) | 2004-01-15 |
DE10331330A1 (de) | 2004-02-26 |
US6942621B2 (en) | 2005-09-13 |
CN100401977C (zh) | 2008-07-16 |
CN1471894A (zh) | 2004-02-04 |
JP2004033775A (ja) | 2004-02-05 |
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