JP2006515191A - 埋め込み装置を使って肺の音を検出するための装置および方法 - Google Patents
埋め込み装置を使って肺の音を検出するための装置および方法 Download PDFInfo
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B7/00—Instruments for auscultation
- A61B7/003—Detecting lung or respiration noise
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- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/362—Heart stimulators
- A61N1/365—Heart stimulators controlled by a physiological parameter, e.g. heart potential
- A61N1/36514—Heart stimulators controlled by a physiological parameter, e.g. heart potential controlled by a physiological quantity other than heart potential, e.g. blood pressure
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/362—Heart stimulators
- A61N1/365—Heart stimulators controlled by a physiological parameter, e.g. heart potential
- A61N1/36514—Heart stimulators controlled by a physiological parameter, e.g. heart potential controlled by a physiological quantity other than heart potential, e.g. blood pressure
- A61N1/36535—Heart stimulators controlled by a physiological parameter, e.g. heart potential controlled by a physiological quantity other than heart potential, e.g. blood pressure controlled by body position or posture
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Abstract
Description
Claims (45)
- 肺系に隣接し、肺系の活動に応答して肺の音を示す信号を出力するようになっている埋め込み可能なセンサと、
前記信号を受信し、これら信号を処理し、外因性の肺の音の存在を検出するようになっているコントローラとを備えた、肺の音を検出するシステム。 - 前記センサが埋め込み可能な装置と関連する、請求項1記載のシステム。
- 前記センサが圧力センサである、請求項1記載のシステム。
- 前記センサが振動センサである、請求項1記載のシステム。
- 前記振動センサが加速度計である、請求項4記載のシステム。
- 前記信号を処理するために、前記コントローラが更に、
前記信号をフィルタにかけ、外因性の肺の音に関連しない周波数を除去すると共に、
残りの信号と外因性の肺の音を示す基準とを比較するようになっている、請求項1記載のシステム。 - 外因性の肺の音を示す基準がスレッショルド振幅を含む、請求項5記載のシステム。
- 前記コントローラが更に外因性の肺の音を示す信号と外因性の肺の音の深刻さを示す基準とを比較するようになっている、請求項7記載のシステム。
- 前記外因性の肺の音の深刻さを示す前記基準がスレッショルド振幅を含む、請求項8記載のシステム。
- 前記外因性の肺の音の深刻さを示す前記基準が時間長さを含む、請求項8記載のシステム。
- 信号を処理するために、
前記コントローラが更に、
信号のスペクトル分析を行い、
外因性の肺の音を示すスペクトル分析の成分とスレッショルド強度とを比較するようになっている、請求項6記載のシステム。 - 前記コントローラが更に外因性の肺の音を示す成分と、外因性の肺の音の深刻さを示す基準とを比較するようになっている、請求項11記載のシステム。
- 前記外因性の肺の音の深刻さを示す前記基準がスレッショルド振幅を含む、請求項12記載のシステム。
- 前記外因性の肺の音の深刻さを示す前記基準が時間長さを含む、請求項12記載のシステム。
- 前記埋め込み可能なセンサが更に肺系に関連する体の姿勢を示す信号を出力するようになっており、前記コントローラが更に信号を受信し、これら信号を処理して体の姿勢を検出するようになっている、請求項1記載のシステム。
- 前記信号を処理するために、前記コントローラが更に、
前記信号をフィルタにかけ、姿勢に関連しない周波数を除去すると共に、
残りの信号と特定の姿勢を示す基準とを比較するようになっている、請求項15記載のシステム。 - 肺系に関連する呼吸サイクルを示す信号を出力するようになっている呼吸センサを更に含む、請求項1記載のシステム。
- 前記コントローラが更に呼吸サイクル信号を受信し、この呼吸サイクル信号に基づき、呼吸サイクルの一部を検出し、かつ呼吸サイクルの特定部分の間に限り、肺の音の信号を処理するようになっている、請求項17記載のシステム。
- 前記呼吸サイクルの一部が吸気部分と呼気部分とを含み、前記コントローラが吸気部分の間に限り、肺の音の信号を処理するようになっている、請求項18記載のシステム。
- 前記吸気部分が早期部分と後期部分とを含み、前記コントローラが更にこれら部分を検出するようになっている、請求項19記載のシステム。
- 肺系に隣接し、音を示す信号を出力するようになっている埋め込み可能なセンサと、
前記肺系に関連する呼気サイクルを示す信号を出力するようになっている埋め込み可能な呼吸サイクルセンサと、
音信号および呼吸サイクル信号を受信し、これら信号を示すデータを発生し、これらデータを二次デバイスに提供するようになっているコントローラとを備えた、肺系に関連するデータを提供するためのシステム。 - 前記コントローラが音信号をフィルタにかけ、前記肺系の活動に関連しない信号成分を除くようになっている、請求項21記載のシステム。
- 前記コントローラが音信号をフィルタにかけ、前記外因性の肺の音に関連しない信号成分を除くようになっている、請求項22記載のシステム。
- 前記コントローラが呼吸サイクル信号に基づき、呼吸サイクルの一部を検出すると共に、呼吸サイクルのうちの特定部分の間に限りデータを発生し、提供するようになっている、請求項21記載のシステム。
- 前記コントローラが呼吸サイクル信号を処理し、呼吸サイクルのうちの吸気部分を識別すると共に、該吸気部分の間に限り、データを発生し、提供するようになっている、請求項21記載のシステム。
- 前記二次デバイスがメモリである、請求項21記載のシステム。
- 前記メモリが埋め込み可能なデバイスの一部である、請求項26記載のシステム。
- 前記二次デバイスがディスプレイである、請求項21記載のシステム。
- 肺の音を検出すると共に、前記肺の音を示す検出された信号を発生するためのセンサと、
外部システムと通信するためのインターフェース回路と、
前記センサおよびインターフェース回路に結合されており、前記肺の音の信号を受信し、前記検出された信号から前記肺の音を示すデータを発生し、前記肺の音のデータを前記インターフェース回路を介して前記外部システムに送信するようになっているコントローラとを備えた、埋め込み可能なシステム。 - 肺系に隣接し、肺の音を示す信号を出力するようになっている埋め込み可能なセンサと、
心臓内に位置決めされるようになっている少なくとも1つの刺激用リード線と、
前記リード線に電気パルスを出力するようになっているパルス発生器と、
前記肺の音の信号を受信し、外因性の肺の音の存在に関して肺の音信号をモニタし、前記外因性の肺の音の特性に応答し、前記パルス発生器の出力を制御するようになっているコントローラとを備えた、埋め込み可能なシステム。 - 肺系に隣接する埋め込み可能なセンサから肺の音を示す信号を得るステップと、
外因性の肺の音の存在を検出するよう信号を処理するステップとを備えた、肺の音を検出する方法。 - 前記処理ステップが、
外因性の肺の音に関連しない周波数を除くように、前記信号にフィルタをかけるステップと、
外因性の肺の音を示す基準と残りの信号とを比較するステップとを備えた、請求項31記載の方法。 - 前記処理ステップが、
外因性の肺の音を示す信号と、
外因性の肺の音の深刻さを示す基準とを比較するステップを更に備えた、請求項32記載の方法。 - 前記外因性の肺の音の深刻さを示す前記基準がスレッショルド振幅を含む、請求項33記載の方法。
- 前記外因性の肺の音の深刻さを示す前記基準が時間長さを含む、請求項33記載の方法。
- 前記処理ステップが、
信号のスペクトル分析を得るステップと、
外因性の肺の音を示すスペクトル分析の成分とスレッショルド強度とを比較するステップを含む、請求項31記載の方法。 - 前記処理ステップが、
外因性の肺の音を示す成分と、
外因性の肺の音の深刻さを示す基準とを比較するステップを更に備えた、請求項36記載の方法。 - 前記外因性の肺の音の深刻さを示す前記基準がスレッショルド振幅を含む、請求項37記載の方法。
- 前記外因性の肺の音の深刻さを示す前記基準が時間長さを含む、請求項37記載の方法。
- 埋め込み可能なセンサから肺系に関連する体の姿勢を示す信号を受信するステップと、
体の姿勢を検出するための信号を処理するステップとを更に備えた、請求項31記載の方法。 - 前記信号を処理するステップが、
姿勢に関連しない周波数を除去するように信号をフィルタにかけるステップと、
特定の姿勢を示す基準と残りの信号を比較するステップとを備えた、請求項40記載の方法。 - 埋め込み可能な呼吸センサから肺系に関連する呼吸サイクルを示す出力信号を受信するステップを更に備えた、請求項31記載の方法。
- 呼吸サイクル信号に基づき、呼吸サイクルの一部を検出するステップと、
呼吸サイクルのうちの特定の部分の間に限り、肺の音の信号を処理するステップとを更に備えた、請求項42記載の方法。 - 肺系に隣接して位置するようになっている埋め込み可能なセンサからの音を表示する出力信号を得るステップと、
埋め込み可能な呼吸サイクルセンサからの肺系に関連する呼吸サイクルを表示する出力信号を受信するステップと、
音信号および呼吸サイクル信号を表示するデータを発生するステップと、
第2デバイスへデータを提供するステップとを備えた、肺系に関連するデータを提供する方法。 - 肺系に隣接して位置するようになっている埋め込み可能なセンサからの肺の音を表示する信号を受信するステップと、
外因性の肺の音の存在に関して、肺の音信号をモニタするステップと、
前記外因性の肺の音の特性に応答し、心臓内に位置する少なくとも1つの刺激を与えるリード線を有する埋め込み可能なパルス発生器の出力を制御するステップとを備えた、心臓へ電気パルスを印加する方法。
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US10/331,175 | 2002-12-27 | ||
US10/331,175 US6949075B2 (en) | 2002-12-27 | 2002-12-27 | Apparatus and method for detecting lung sounds using an implanted device |
PCT/US2003/040968 WO2004060166A2 (en) | 2002-12-27 | 2003-12-19 | Apparatus and method for detecting lung sounds using an implanted device |
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JP4794168B2 JP4794168B2 (ja) | 2011-10-19 |
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EP (1) | EP1587422B1 (ja) |
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WO2004060166A3 (en) | 2005-01-13 |
US20060025827A1 (en) | 2006-02-02 |
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