JP6275109B2 - Ecg信号に基づいて睡眠の質の視覚的表現を提供するための方法及び装置 - Google Patents
Ecg信号に基づいて睡眠の質の視覚的表現を提供するための方法及び装置 Download PDFInfo
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- A61B5/00—Measuring for diagnostic purposes; Identification of persons
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- A61B5/4815—Sleep quality
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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
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- A—HUMAN NECESSITIES
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
- A61B5/0004—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network characterised by the type of physiological signal transmitted
- A61B5/0006—ECG or EEG signals
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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
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- A61B5/303—Patient cord assembly, e.g. cable harness
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- A—HUMAN NECESSITIES
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
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- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/316—Modalities, i.e. specific diagnostic methods
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- A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
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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
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Description
Claims (11)
- 睡眠の質のグラフィカル表現を提供する方法であって、
患者のECGデータを取得するステップと、
前記ECGデータを処理して、複数の正常心拍を識別し、識別された前記正常心拍に基づいて複数のN−N間隔を抽出することにより、前記ECGデータから前記複数のN−N間隔を取得するステップと、
前記複数のN−N間隔に基づいて、複数の連続タイムウィンドウのうちのそれぞれに関連付けられる複数のスペクトル密度を計算するステップと、
前記複数のスペクトル密度を使用して前記睡眠の質のグラフィカル表現を生成するステップと、を含み、
前記複数のスペクトル密度を計算するステップは、前記複数の連続タイムウィンドウのそれぞれについて、該連続タイムウィンドウに関連付けられる前記複数のN−N間隔のいくつかに基づいて、第1の技術を用いて第1の周波数範囲をカバーする第1のスペクトル密度を計算するとともに前記第1の技術とは異なる第2の技術を用いて前記第1の周波数範囲の低領域のみを含む第2の周波数範囲をカバーする第2のスペクトル密度を計算し、
前記グラフィカル表現を生成するステップは、前記第1の周波数範囲の全体をカバーする第1のグラフィカル及び前記第2の周波数範囲をカバーする第2のグラフィカル表現を生成する、
方法。 - 患者のECGデータを取得する前記ステップは、(i)患者から心臓信号を収集し、前記心臓信号に基づいて前記ECGデータを生成するステップ、又は(ii)複数のN−N間隔を取得する前記ステップ、前記複数のスペクトル密度を計算する前記ステップ、及び前記グラフィカル表現を生成する前記ステップを実行するモジュールにおいて前記ECGデータを受信するステップ、のうちの少なくとも1つを含む、請求項1に記載の方法。
- 前記グラフィカル表現は、時間軸及び周波数軸を有するグラフである、請求項1に記載の方法。
- 前記複数のタイムウィンドウは、それぞれ、そのタイムウィンドウの中心を表す中心値に関連付けられ、よって、各スペクトル密度は前記中心値のうちの1つに関連付けられ、各スペクトル密度は、前記グラフィカル表現内の、当該スペクトル密度に関連付けられる前記中心値に対応する前記時間軸沿いの時点に配置される画像を前記グラフィカル表現内に作成するために使用される、請求項3に記載の方法。
- 前記グラフィカル表現内の各画像は、前記スペクトル密度の周波数範囲に等しい前記周波数軸に沿う長さを有する、請求項4に記載の方法。
- 1つ以上の実行可能なルーチンを有する処理ユニットを含む睡眠の質測定装置であって、
患者から収集される心臓信号から生成されるECGデータから、前記ECGデータを処理して、複数の正常心拍を識別し、識別された前記正常心拍に基づいて複数のN−N間隔を抽出することにより、前記複数のN−N間隔を取得し、
前記複数のN−N間隔に基づいて、複数の連続タイムウィンドウのうちのそれぞれに関連付けられる複数のスペクトル密度を計算し、
前記複数のスペクトル密度を用いて睡眠の質のグラフィカル表現を生成し、
前記複数のスペクトル密度の計算は、前記複数の連続タイムウィンドウのそれぞれについて、該連続タイムウィンドウに関連付けられる前記複数のN−N間隔のいくつかに基づいて、第1の技術を用いて第1の周波数範囲をカバーする第1のスペクトル密度を計算するとともに前記第1の技術とは異なる第2の技術を用いて前記第1の周波数範囲の低領域のみを含む第2の周波数範囲をカバーする第2のスペクトル密度を計算することを含み、
前記グラフィカル表現の生成は、前記第1の周波数範囲の全体をカバーする第1のグラフィカル及び前記第2の周波数範囲をカバーする第2のグラフィカル表現を生成することを含む、
睡眠の質測定装置。 - 患者から前記心臓信号を収集するための手段を更に含む、請求項6に記載の睡眠の質測定装置。
- 前記連続タイムウィンドウは、xタイムウィンドウスライディングyによって定められるスライディングタイムウィンドウであり、これは、各タイムウィンドウの長さがxユニットであり、各連続タイムウィンドウが、直前のタイムウィンドウの開始からyユニット間を空けられることを意味する、請求項6に記載の睡眠の質測定装置。
- 前記グラフィカル表現は、時間軸及び周波数軸を有するグラフである、請求項6に記載の睡眠の質測定装置。
- 前記複数のタイムウィンドウは、それぞれ、そのタイムウィンドウの中心を表す中心値に関連付けられ、よって、各スペクトル密度は前記中心値のうちの1つに関連付けられ、各スペクトル密度は、前記グラフィカル表現内の、当該スペクトル密度に関連付けられる前記中心値に対応する前記時間軸沿いの時点に配置される画像を前記グラフィカル表現内に作成するために使用される、請求項9に記載の睡眠の質測定装置。
- 前記グラフィカル表現内の各画像は、前記スペクトル密度の周波数範囲に等しい前記周波数軸に沿う長さを有する、請求項10に記載の睡眠の質測定装置。
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US201261613637P | 2012-03-21 | 2012-03-21 | |
US61/613,637 | 2012-03-21 | ||
PCT/IB2013/052142 WO2013140324A1 (en) | 2012-03-21 | 2013-03-18 | Method and apparatus for providing a visual representation of sleep quality based on ecg signals |
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JP5451013B2 (ja) * | 2007-09-06 | 2014-03-26 | 英次 麻野井 | 睡眠の質を評価するために用いる表示又は印刷を行う装置、方法、コンピュータプログラム、呼吸補助装置、慢性心疾患患者を対象とした呼吸補助装置、睡眠導入装置、マッサージ装置、検査装置 |
CN101536904A (zh) * | 2008-03-18 | 2009-09-23 | 中国计量学院 | 基于心电的睡眠呼吸暂停检测装置 |
CN102113034A (zh) * | 2008-05-12 | 2011-06-29 | 阿列森斯有限公司 | 监测、预测和处理临床发作 |
WO2009152521A2 (en) | 2008-06-13 | 2009-12-17 | Parkinson's Institute | Diagnosis of neurodegenerative disorders |
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