JP5674653B2 - 心弾動図解析方法及び装置 - Google Patents
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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
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
- A61B5/1102—Ballistocardiography
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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
- A61B5/02—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
- A61B5/02438—Detecting, measuring or recording pulse rate or heart rate with portable devices, e.g. worn by the patient
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
- A61B5/113—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb occurring during breathing
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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
- A61B5/242—Detecting biomagnetic fields, e.g. magnetic fields produced by bioelectric currents
- A61B5/243—Detecting biomagnetic fields, e.g. magnetic fields produced by bioelectric currents specially adapted for magnetocardiographic [MCG] signals
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- A—HUMAN NECESSITIES
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- A61B5/41—Detecting, measuring or recording for evaluating the immune or lymphatic systems
- A61B5/411—Detecting or monitoring allergy or intolerance reactions to an allergenic agent or substance
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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
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7203—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal
- A61B5/7207—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal of noise induced by motion artifacts
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Description
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Claims (11)
- 心弾動図を解析する方法であって、
前記心弾動図の時間窓を選択するステップであって、前記時間窓は複数の心拍を包含する心臓成分信号を有する、ステップと、
前記時間窓から心拍数を決定するステップと、
1心拍を包含する前記心臓成分信号の部分のエネルギー量を計算するステップと、前記計算されたエネルギー量に前記決定された心拍数及び前記時間窓の期間をかけるステップによって、前記時間窓に対する基準エネルギー量を規定するステップと、
前記時間窓における前記心臓成分信号に対する実際のエネルギー量を計算するステップと、
前記実際のエネルギー量を前記基準エネルギー量と比較するステップと、
前記実際のエネルギー量と前記基準エネルギー量の差が所定閾値を超えるときに不整脈信号を生成するステップとを有する方法。 - 心弾動図を解析する方法であって、
前記心弾動図の第1の時間窓を選択するステップであって、前記第1の時間窓は複数の心拍を包含する心臓成分信号を有する、ステップと、
前記第1の時間窓における前記心臓成分信号の実際のエネルギー量を計算するステップと、
前記第1の時間窓を所定時間だけ動かすことによって、前記心弾動図の追加の時間窓を規定するステップと、
前記第1の時間窓の前記実際のエネルギー量を、前記追加の時間窓に対する基準エネルギー量として規定するステップと、
前記追加の時間窓における前記心臓成分信号の実際のエネルギー量を計算するステップと、
前記追加の時間窓における前記実際のエネルギー量を前記追加の時間窓に対する前記基準エネルギー量と比較するステップと、
前記追加の時間窓における前記実際のエネルギー量と前記追加の時間窓に対する前記基準エネルギー量の差が所定閾値を超えるときに不整脈信号を生成するステップとを有する、方法。 - 前記心弾動図の呼吸成分信号から前記心臓成分信号を分離することによって前記心臓成分信号を生成するステップをさらに有する、請求項1乃至2のいずれか一項に記載の方法。
- 前記時間窓の最中の呼吸パターンを決定するステップと、
前記決定された呼吸パターンに従って前記心臓成分信号を変調するステップとをさらに有する、請求項1乃至3のいずれか一項に記載の方法。 - 前記変調するステップが、吸気プロセス中に前記信号の振幅を増加させるステップと、呼気プロセス中に前記信号の振幅を減少させるステップとを有する、請求項4に記載の方法。
- 心弾動図を解析するための信号処理装置であって、前記処理装置が、
前記心弾動図の時間窓を選択し、前記時間窓は複数の心拍を包含する心臓成分信号を有し、
前記時間窓から心拍数を決定し、
1心拍を包含する前記心臓成分信号の部分のエネルギー量を計算すること、及び前記計算されたエネルギー量に前記決定された心拍数及び前記時間窓の期間をかけることによって、前記時間窓に対する基準エネルギー量を規定し、
前記時間窓における前記心臓成分信号の実際のエネルギー量を計算し、
前記実際のエネルギー量を前記基準エネルギー量と比較し、
前記実際のエネルギー量と前記基準エネルギー量の差が所定閾値を超えるときに不整脈信号を生成する、信号処理装置。 - 心弾動図を解析するための信号処理装置であって、前記処理装置が、
前記心弾動図の第1の時間窓を選択し、前記第1の時間窓は複数の心拍を包含する心臓成分信号を有し、
前記第1の時間窓における前記心臓成分信号の実際のエネルギー量を計算し、
前記第1の時間窓を所定時間だけ動かすことによって、前記心弾動図の追加の時間窓を規定し、
前記第1の時間窓の前記実際のエネルギー量を、前記追加の時間窓に対する基準エネルギー量として規定し、
前記追加の時間窓における前記心臓成分信号の実際のエネルギー量を計算し、
前記追加の時間窓における前記実際のエネルギー量を前記追加の時間窓に対する前記基準エネルギー量と比較し、
前記追加の時間窓における前記実際のエネルギー量と前記追加の時間窓に対する前記基準エネルギー量の差が所定閾値を超えるときに不整脈信号を生成する、信号処理装置。 - さらに、前記心弾動図の呼吸成分信号から前記心臓成分信号を分離することによって前記心臓成分信号を生成する、請求項6乃至7のいずれか一項に記載の信号処理装置。
- さらに、前記時間窓の最中の呼吸パターンを決定し、
前記決定された呼吸パターンに従って前記信号を変調する、
請求項6乃至8のいずれか一項に記載の信号処理装置。 - 心弾動図を記録するための少なくとも1つのセンサと、請求項6乃至9のいずれか一項に記載の信号処理装置とを有するシステムであって、前記少なくとも1つのセンサが前記信号処理装置に結合される、システム。
- 前記センサが体重を支持するための手段に組み込まれる、請求項10に記載のシステム。
Applications Claiming Priority (3)
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EP08160206 | 2008-07-11 | ||
EP08160206.2 | 2008-07-11 | ||
PCT/IB2009/052932 WO2010004502A1 (en) | 2008-07-11 | 2009-07-06 | Ballistocardiogram analysis method and device |
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JP2011527589A JP2011527589A (ja) | 2011-11-04 |
JP5674653B2 true JP5674653B2 (ja) | 2015-02-25 |
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US (1) | US9044170B2 (ja) |
EP (1) | EP2317919B1 (ja) |
JP (1) | JP5674653B2 (ja) |
CN (1) | CN102088904B (ja) |
WO (1) | WO2010004502A1 (ja) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8870780B2 (en) | 2008-10-15 | 2014-10-28 | The Board Of Trustees Of The Leland Stanford Junior University | Systems and methods for monitoring heart function |
KR101041033B1 (ko) * | 2008-11-26 | 2011-06-13 | 서울대학교산학협력단 | 체중계형 무구속 건강 상태 평가 장치 및 방법 |
AU2012211300A1 (en) * | 2011-01-27 | 2013-05-09 | The Board Of Trustees Of The Leland Stanford Junior University | Systems and methods for monitoring the circulatory system |
DK2840962T3 (da) * | 2012-04-23 | 2024-08-12 | Precordior Oy | Apparat og computerprogram til produktion af et signal, som udtrykkker atrieflimren |
CN102688023B (zh) * | 2012-04-28 | 2013-10-16 | 清华大学 | 心脏力学功能检测系统 |
CN104182601B (zh) * | 2013-05-22 | 2017-09-29 | 上海宽带技术及应用工程研究中心 | 一种基于心冲击信号的心率值实时提取方法 |
CA2915965C (en) | 2013-06-19 | 2022-06-07 | Turun Yliopisto | Method and apparatus for determining information indicative of cardiac malfunctions |
CN104545863B (zh) * | 2013-10-10 | 2017-03-29 | 上海宽带技术及应用工程研究中心 | 基于模糊模式识别的bcg心率提取方法及系统 |
US10729333B2 (en) * | 2013-12-20 | 2020-08-04 | Sonomedical Pty Ltd | System and method for monitoring physiological activity of a subject |
US10130273B2 (en) | 2014-06-12 | 2018-11-20 | PhysioWave, Inc. | Device and method having automatic user-responsive and user-specific physiological-meter platform |
US9568354B2 (en) | 2014-06-12 | 2017-02-14 | PhysioWave, Inc. | Multifunction scale with large-area display |
US9546898B2 (en) | 2014-06-12 | 2017-01-17 | PhysioWave, Inc. | Fitness testing scale |
US9943241B2 (en) | 2014-06-12 | 2018-04-17 | PhysioWave, Inc. | Impedance measurement devices, systems, and methods |
US9949662B2 (en) | 2014-06-12 | 2018-04-24 | PhysioWave, Inc. | Device and method having automatic user recognition and obtaining impedance-measurement signals |
US9498137B2 (en) | 2014-08-07 | 2016-11-22 | PhysioWave, Inc. | Multi-function fitness scale with display |
US9693696B2 (en) | 2014-08-07 | 2017-07-04 | PhysioWave, Inc. | System with user-physiological data updates |
US10542961B2 (en) | 2015-06-15 | 2020-01-28 | The Research Foundation For The State University Of New York | System and method for infrasonic cardiac monitoring |
US10945671B2 (en) | 2015-06-23 | 2021-03-16 | PhysioWave, Inc. | Determining physiological parameters using movement detection |
US11561126B2 (en) | 2015-11-20 | 2023-01-24 | PhysioWave, Inc. | Scale-based user-physiological heuristic systems |
US10980483B2 (en) | 2015-11-20 | 2021-04-20 | PhysioWave, Inc. | Remote physiologic parameter determination methods and platform apparatuses |
US10426411B2 (en) * | 2016-06-29 | 2019-10-01 | Samsung Electronics Co., Ltd. | System and method for providing a real-time signal segmentation and fiducial points alignment framework |
EP3305180A1 (en) * | 2016-10-05 | 2018-04-11 | Murata Manufacturing Co., Ltd. | Method and apparatus for monitoring heartbeats |
CN108652613B (zh) * | 2017-03-30 | 2020-11-03 | 深圳市理邦精密仪器股份有限公司 | 信号时频图生成的方法及装置 |
WO2019150999A1 (ja) * | 2018-01-31 | 2019-08-08 | 太陽誘電株式会社 | 脈波伝播速度測定装置及びその方法 |
CN108836299B (zh) * | 2018-04-23 | 2021-05-14 | 深圳市友宏科技有限公司 | 一种bcg心率提取方法、存储介质以及装置 |
US10905249B1 (en) * | 2020-05-29 | 2021-02-02 | Khalid Saghiri | Multifunctional smart beds and methods of operating thereof |
CN114246581B (zh) * | 2021-12-20 | 2024-06-14 | 杭州慧光健康科技有限公司 | 基于心冲击信号短时能量的床垫传感心率识别系统及方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2014A (en) * | 1841-03-24 | Machine ecu cutting square-joint dovetails | ||
US4738264A (en) | 1985-03-25 | 1988-04-19 | Carl Orlando | Heart and breathing alarm monitor |
US7485095B2 (en) | 2000-05-30 | 2009-02-03 | Vladimir Shusterman | Measurement and analysis of trends in physiological and/or health data |
US7187965B2 (en) | 2001-05-29 | 2007-03-06 | Bischoff Edward T | Cardiac rhythm monitoring device |
FI20021145A (fi) | 2002-06-13 | 2003-12-14 | Alpo Vaerri | Laitteisto elintoimintojen mittaamiseksi |
JP3613278B2 (ja) * | 2003-08-06 | 2005-01-26 | 松下電器産業株式会社 | 在席装置 |
JP4185846B2 (ja) * | 2003-10-24 | 2008-11-26 | 株式会社山武 | 活動状態判断装置、見守り支援システム、及び活動状態判断方法 |
US20070118054A1 (en) * | 2005-11-01 | 2007-05-24 | Earlysense Ltd. | Methods and systems for monitoring patients for clinical episodes |
US7314451B2 (en) * | 2005-04-25 | 2008-01-01 | Earlysense Ltd. | Techniques for prediction and monitoring of clinical episodes |
CN1923132A (zh) * | 2006-09-04 | 2007-03-07 | 北京新兴阳升科技有限公司 | 检测睡眠中呼吸用力的方法、装置及其应用 |
EP3967219A1 (en) * | 2006-11-01 | 2022-03-16 | ResMed Sensor Technologies Limited | System and method for monitoring cardiorespiratory parameters |
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US9044170B2 (en) | 2015-06-02 |
EP2317919B1 (en) | 2013-09-11 |
CN102088904B (zh) | 2013-03-20 |
US20110118614A1 (en) | 2011-05-19 |
WO2010004502A1 (en) | 2010-01-14 |
CN102088904A (zh) | 2011-06-08 |
EP2317919A1 (en) | 2011-05-11 |
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