JP2011527589A - 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
-
- 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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- 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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- 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
- A61B5/316—Modalities, i.e. specific diagnostic methods
- A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
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- 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
Abstract
Description
ET=E1 *HR*T
Claims (15)
- 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追加信号を生成するステップとを有する方法。 - 前記時間窓から心拍数を決定するステップをさらに有し、前記基準エネルギー量を規定するステップが、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をかけるステップとを有する、請求項1に記載の方法。
- 前記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をさらに有する、請求項1に記載の方法。
- 前記基準エネルギー量を規定するステップが、前記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を有する、請求項3に記載の方法。
- 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4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5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6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追加信号を生成する、信号処理装置。 - さらに、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をかけることによって、基準エネルギーを規定する、請求項8に記載の信号処理装置。
- さらに、前記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、請求項8に記載の信号処理装置。
- 前記時間窓の前記実際のエネルギー量を、前記追加の時間窓の基準エネルギー量として規定する、請求項10に記載の信号処理装置。
- 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8乃至11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8乃至12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8乃至13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14に記載のシステム。
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PCT/IB2009/052932 WO2010004502A1 (en) | 2008-07-11 | 2009-07-06 | Ballistocardiogram analysis method and device |
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EP (1) | EP2317919B1 (ja) |
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CN102088904B (zh) | 2013-03-20 |
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JP5674653B2 (ja) | 2015-02-25 |
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