JP2006523505A - 心臓内電位図を用いて心臓及び心臓以外の過剰検知を特定する方法及び装置 - Google Patents
心臓内電位図を用いて心臓及び心臓以外の過剰検知を特定する方法及び装置 Download PDFInfo
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Abstract
Description
表1
表2
表3
6 10 12 14 20 21 23 23 26 30 32 34
表3のサンプルシーケンスは、それぞれ20、21、23、23、26及び30サンプル点を有する6つの低周波数セグメントのグループを含む。20未満のサンプル点を有するセグメントは、先に規定した基準によると、グループの一部とは考えられない。32サンプル点及び34サンプル点のセグメントはそれぞれ、20サンプル点及び21サンプル点のセグメントより10サンプル点より大きく、したがって、グループに含まれない。低周波数セグメントの別のグループは、23、23、26、30及び32サンプル点の5つのセグメントを含む。これらのセグメントのそれぞれは、長さが20サンプル点より大きく、その長さが互いに10サンプル点以内である。この例において、低周波数セグメントの最も大きなグループは、6つの低周波数セグメントのグループである。
Claims (38)
- 複数の心周期の間に、検知パラメータに従って埋め込み式医療デバイスを動作させるステップと、
前記埋め込み式医療デバイスによって過剰検知を特定するステップと、
該過剰検知を特定することに応答して、前記埋め込み式医療デバイスの前記検知パラメータのうちの少なくとも1つを自動的に調整するステップと、
を含む方法。 - 前記埋め込み式医療デバイスが、前記調整された検知パラメータによって心臓エピソードを適切に検出することになるかどうかを評価するステップをさらに含む、請求項1に記載の方法。
- 前記埋め込み式医療デバイスが、前記調整された検知パラメータによって前記心臓エピソードを適切に検出しないことになると判断すると、前記検知パラメータを最初の設定にリセットするステップをさらに含む、請求項2に記載の方法。
- 前記過剰検知の発生源を確定するステップと、
前記過剰検知の前記発生源に基づいて少なくとも1つの検知パラメータを自動的に調整するステップと、
をさらに含む請求項1に記載の方法。 - 前記過剰検知の前記発生源は、心臓発生源及び心臓以外の発生源のうちの一方を含む、請求項4に記載の方法。
- 心臓発生源からの前記過剰検知は、T波過剰検知、R波二重カウント、遠方界R波過剰検知、及びP波過剰検知のうちの1つを含む、請求項5に記載の方法。
- 心臓以外の発生源からの前記過剰検知は、筋電位過剰検知及び電磁干渉(EMI)のうちの1つを含む、請求項5に記載の方法。
- 前記検知パラメータを自動的に調整するステップが、検知電極のプログラム式感度を自動的に調整するステップを含む、請求項1に記載の方法。
- 前記検知パラメータを自動的に調整するステップが、検知電極のプログラム式閾値を自動的に調整するステップを含む、請求項1に記載の方法。
- 前記検知パラメータを自動的に調整するステップが、検知電極のプログラム式減衰定数を自動的に調整するステップを含む、請求項1に記載の方法。
- 前記検知パラメータを自動的に調整するステップが、検知電極のプログラム式減衰遅延を自動的に調整するステップを含む、請求項1に記載の方法。
- 前記検知パラメータを自動的に調整するステップが、検知電極のプログラム式ブランキング期間を自動的に調整するステップを含む、請求項1に記載の方法。
- 前記検知パラメータを自動的に調整するステップが、検知電極の電極構成を自動的に調整するステップを含む、請求項1に記載の方法。
- 前記電極構成を自動的に調整するステップが、該電極構成を、真の双極検知(先端−リング)構成から一体化した双極検知(先端−コイル)構成へ調整するステップを含む、請求項13に記載の方法。
- 問合せに対して、前記検知パラメータに対する前記調整を医師に報告することをさらに含む、請求項1に記載の方法。
- 埋め込み式医療デバイスによって過剰検知を特定するステップが、心臓内電位図を使用して過剰検知を特定するステップを含む、請求項1に記載の方法。
- コンピュータ読み取り可能媒体であって、プロセッサが、
複数の心周期の間に、検知パラメータに従って埋め込み式医療デバイスを動作させ、
前記埋め込み式医療デバイスによって過剰検知を特定し、
該過剰検知を特定することに応答して、前記埋め込み式医療デバイスの少なくとも1つの検知パラメータを自動的に調整するようにさせる命令を含む、コンピュータ読み取り可能媒体。 - 前記プロセッサが、
前記過剰検知の発生源を確定し、
前記過剰検知の前記発生源に基づいて前記検知パラメータを自動的に調整するようにさせる命令をさらに含む、請求項17に記載のコンピュータ読み取り可能媒体。 - 前記埋め込み式医療デバイスの少なくとも1つの検知パラメータを前記プロセッサに自動的に調整させる命令が、検知電極のプログラム式感度、検知電極のプログラム式閾値、検知電極のプログラム式減衰定数、検知電極のプログラム式減衰遅延、検知電極のプログラム式ブランキング期間、及び検知電極の電極構成のうちの少なくとも1つを前記プロセッサに自動的に調整させる命令を含む、請求項17に記載のコンピュータ読み取り可能媒体。
- 前記プロセッサが、
前記埋め込み式医療デバイスが、前記調整された検知パラメータによって心臓エピソードを適切に検出することになるかどうかを評価し、
前記埋め込み式医療デバイスが、前記調整された検知パラメータによって前記心臓エピソードを適切に検出しないことになると判断すると、前記検知パラメータを最初の設定にリセットするようにさせる命令をさらに含む、請求項17に記載のコンピュータ読み取り可能媒体。 - 埋め込み可能医療デバイスであって、
複数の心周期の間に、プログラム式検知パラメータに従って患者の心臓からの心臓データを検知する少なくとも1つの検知電極と、
前記検知された心臓データに基づいて前記埋め込み可能医療デバイスによって過剰検知を特定し、該過剰検知を特定することに応答して、前記埋め込み可能医療デバイスの前記検知パラメータの少なくとも1つを自動的に調整するプロセッサと、
を備える埋め込み可能医療デバイス。 - 前記プロセッサは、前記埋め込み可能医療デバイスが、前記調整された検知パラメータによって心臓エピソードを適切に検出することになるかどうかを評価する、請求項21に記載の埋め込み可能医療デバイス。
- 前記プロセッサは、前記埋め込み可能医療デバイスが、前記調整された検知パラメータによって前記心臓エピソードを適切に検出しないことになると判断すると、前記検知パラメータを最初の設定にリセットする、請求項22に記載の埋め込み可能医療デバイス。
- 前記プロセッサは、前記過剰検知の発生源を確定し、前記過剰検知の前記発生源に基づいて前記検知パラメータを自動的に調整する、請求項21に記載の埋め込み可能医療デバイス。
- 前記プロセッサは、過剰検知を特定することに応答して前記検知電極のプログラム式感度を自動的に調整する、請求項21に記載の埋め込み可能医療デバイス。
- 前記プロセッサは、過剰検知を特定することに応答して前記検知電極のプログラム式閾値を自動的に調整する、請求項21に記載の埋め込み可能医療デバイス。
- 前記プロセッサは、過剰検知を特定することに応答して前記検知電極のプログラム式減衰定数を自動的に調整する、請求項21に記載の埋め込み可能医療デバイス。
- 前記プロセッサは、過剰検知を特定することに応答して前記検知電極のプログラム式減衰遅延を自動的に調整する、請求項21に記載の埋め込み可能医療デバイス。
- 前記プロセッサは、過剰検知を特定することに応答して前記検知電極のプログラム式ブランキング期間を自動的に調整する、請求項21に記載の埋め込み可能医療デバイス。
- 前記プロセッサは、過剰検知を特定することに応答して前記検知電極の電極構成を自動的に調整する、請求項21に記載の埋め込み可能医療デバイス。
- 前記プロセッサは、前記電極構成を、真の双極検知(先端−リング)構成から一体化した双極検知(先端−コイル)構成へ自動的に調整する、請求項30に記載の埋め込み可能医療デバイス。
- 問合せに対して、前記検知パラメータに対する前記調整を医師に報告する、請求項21に記載の埋め込み可能医療デバイス。
- 前記プロセッサは、心臓内電位図を使用して埋め込み可能医療デバイスによって過剰検知を特定する、請求項21に記載の埋め込み可能医療デバイス。
- 埋め込み可能医療デバイスであって、
複数の心周期の間に、検知パラメータに従って埋め込み可能医療デバイスを動作させる手段と、
前記埋め込み可能医療デバイスによって過剰検知を特定する手段と、
前記過剰検知の可能性を減らすための補正処置を自動的に実施する手段と、
を備える埋め込み可能医療デバイス。 - 前記補正処置を自動的に実施する手段は、前記検知パラメータの少なくとも1つを調整する手段を含む、請求項34に記載の埋め込み可能医療デバイス。
- 心臓データを検知する検知電極をさらに備え、前記調整された検知パラメータは、前記検知電極のプログラム式感度、前記検知電極のプログラム式閾値、前記検知電極のプログラム式減衰定数、前記検知電極のプログラム式減衰遅延、前記検知電極のプログラム式ブランキング期間、及び前記検知電極の電極構成のうちの1つを含む、請求項35に記載の埋め込み可能医療デバイス。
- 前記埋め込み式医療デバイスが、前記調整された検知パラメータによって心臓エピソードを適切に検出することになるかどうかを評価する手段をさらに備える、請求項34に記載の埋め込み可能医療デバイス。
- 前記過剰検知の発生源を確定する手段をさらに含み、前記補正処置を自動的に実施する前記手段は、前記過剰検知の前記発生源に基づいて前記補正処置を自動的に実施する、請求項34に記載の埋め込み可能医療デバイス。
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US10/418,857 US7783354B2 (en) | 2002-04-29 | 2003-04-18 | Method and apparatus for identifying cardiac and non-cardiac oversensing using intracardiac electrograms |
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PCT/US2004/011124 WO2004093974A2 (en) | 2003-04-18 | 2004-04-09 | Method and apparatus for identifying cardiac and non-cardiac oversensing using intracardiac electrograms |
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JP2012502670A (ja) * | 2008-05-07 | 2012-02-02 | キャメロン ヘルス、 インコーポレイテッド | 心臓活動を正確に分類する方法およびデバイス |
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US7783354B2 (en) * | 2002-04-29 | 2010-08-24 | Medtronic, Inc. | Method and apparatus for identifying cardiac and non-cardiac oversensing using intracardiac electrograms |
US7369893B2 (en) * | 2004-12-01 | 2008-05-06 | Medtronic, Inc. | Method and apparatus for identifying lead-related conditions using prediction and detection criteria |
US7289851B2 (en) * | 2003-12-04 | 2007-10-30 | Medtronic, Inc. | Method and apparatus for identifying lead-related conditions using impedance trends and oversensing criteria |
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EP1615693A2 (en) | 2006-01-18 |
US20100280567A1 (en) | 2010-11-04 |
CA2522672A1 (en) | 2004-11-04 |
DE602004030894D1 (de) | 2011-02-17 |
WO2004093974A2 (en) | 2004-11-04 |
US20040015197A1 (en) | 2004-01-22 |
US7783354B2 (en) | 2010-08-24 |
EP1615693B1 (en) | 2011-01-05 |
JP4839482B2 (ja) | 2011-12-21 |
WO2004093974A3 (en) | 2004-12-09 |
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