JP2019146973A - 切除システム - Google Patents
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Abstract
Description
本出願は、2012年8月31日に出願された「心臓組織を診断および治療するためのシステムおよび方法」という名称の米国仮特許出願第61/695,535号についての特許法第119条(e)項に基づく優先権を主張し、その内容は参照により全体として本明細書に組み込まれる。
切除カテーテルシャフト遠位部分に配置されて組織へエネルギーを送達するように構成される少なくとも一つの切除要素と、を包含する切除カテーテルと、診断カテーテルであって、遠位端部を包含する長尺シャフトであって、前記切除カテーテルシャフトの前記遠位部分を摺動式に収容するように構成される診断カテーテルシャフトである、長尺シャフトと、前記診断カテーテルシャフトに取り付けられて、圧縮状態から拡開状態へ移行するように構成される拡開アセンブリと、前記拡開アセンブリに結合され、双極子密度情報を提供するよう構成される複数の双極子マッピング電極と、前記拡開アセンブリに結合される複数の超音波トランスデューサと、を包含する診断カテーテルと、距離測定アセンブリであって、前記複数の超音波トランスデューサを駆動し、前記拡開アセンブリの形状を考慮した前記複数の超音波トランスデューサの各超音波トランスデューサと各超音波トランスデューサに直交する組織表面との間の距離を表すデータを包含する解剖学的幾何学データを作成する距離測定アセンブリと、前記解剖学的幾何学データを使用しそれが置かれる幾何学的空洞の三次元マップを作成し、前記双極子密度情報から双極子密度マップを作成するよう構成される処理ユニットであって、前記処理ユニットはディスプレイを駆動して前記幾何学的空洞の前記三次元マップと共に前記双極子密度マップを表示させる処理ユニットと、を包含する。
Claims (22)
- 診断カテーテルであって、
遠位端部を包含する長尺シャフトと、
前記長尺シャフトに取り付けられる拡開アセンブリであって、複数のスプラインを含み、圧縮状態から拡開状態へ移行するように構成される拡開アセンブリと、
前記拡開アセンブリの前記複数のスプラインに結合され、電気信号を各々が発信および記録するよう構成される複数の電極と、
前記拡開アセンブリの前記複数のスプラインに結合される複数の超音波トランスデューサと、
を包含する診断カテーテルと、
距離測定アセンブリであって、前記複数の超音波トランスデューサを駆動し、前記複数の超音波トランスデューサの各超音波トランスデューサと各超音波トランスデューサに直交する組織表面との間の距離を表すデータを包含する解剖学的幾何学データを作成する距離測定アセンブリと、
処理ユニットと、
を包含するカテーテルシステムであって、
前記処理ユニットが、
記録された前記電気信号に基づいて前記複数の電極のうちの2つまたはそれ以上の間の間隔を測定し、測定された前記電極間隔に基づいて前記複数のスプラインのうちの1つまたはそれ以上の幾何学的構成を特定し、
作成された前記解剖学的幾何学データに基づいて三次元解剖学マップを作成し、記録された前記電気信号に基づいて電気情報を作成し、前記三次元解剖学マップとの関連で前記電気情報を表示させるように構成されており、
前記電気情報がさらに、前記複数のスプラインのうちの1つまたはそれ以上について特定された前記幾何学的構成に基づくという特徴、および、前記解剖学的幾何学データが、前記複数のスプラインのうちの1つまたはそれ以上について特定された前記幾何学的構成に基づくという特徴、のうちの少なくともどちらか一方を有する、
カテーテルシステム。 - 請求項1に記載のカテーテルシステムであって、
前記電気情報が、記録された前記電気信号と、前記複数のスプラインのうちの1つまたはそれ以上について特定された前記幾何学的構成とに基づき、
前記解剖学的幾何学データが、前記複数のスプラインのうちの1つまたはそれ以上について特定された前記幾何学的構成に基づく、カテーテルシステム。 - 請求項1に記載のカテーテルシステムであって、
前記処理ユニットがさらに、測定された前記電極間隔に基づいて前記複数のスプラインの幾何学的構成を特定するように構成されている、カテーテルシステム。 - 請求項1に記載のカテーテルシステムであって、
表示される前記電気情報が、心臓または他の組織の電圧測定値、心臓または他の組織の双極および/または単極電位図、心臓または他の組織の表面電荷データ、心臓または他の組織の双極子密度データ、心臓または他の組織の単相活動電位値、ならびに、それらの組み合わせから成るグループから選択される情報である、カテーテルシステム。 - 請求項1に記載のカテーテルシステムであって、
前記処理ユニットがさらに、前記複数のスプラインのうちの1つまたはそれ以上の形状を導出するように構成されている、カテーテルシステム。 - 請求項5に記載のカテーテルシステムであって、
前記処理ユニットがさらに、実時間で、前記複数のスプラインのうちの1つまたはそれ以上の前記形状を導出するように構成されている、カテーテルシステム。 - 請求項1に記載のカテーテルシステムであって、
前記処理ユニットがさらに、前記複数のスプラインのうちの2つまたはそれ以上の相対的配置を導出するように構成されている、カテーテルシステム。 - 請求項7に記載のカテーテルシステムであって、
前記処理ユニットがさらに、実時間で、前記複数のスプラインのうちの2つまたはそれ以上の前記相対的配置を導出するように構成されている、カテーテルシステム。 - 請求項1に記載のカテーテルシステムであって、
前記複数のスプラインが、平衡状態では弾性的に付勢されており、前記処理ユニットがさらに、前記複数のスプラインの形状における前記平衡状態からの形状変化を特定するように構成されている、カテーテルシステム。 - 請求項9に記載のカテーテルシステムであって、
前記形状変化は、1つのスプラインの形状における変化である、カテーテルシステム。 - 請求項9に記載のカテーテルシステムであって、
前記複数のスプラインが、第1のスプラインおよび第2のスプラインを含み、前記形状変化は、前記第2のスプラインに対する前記第1のスプラインの位置の変化である、カテーテルシステム。 - 請求項9に記載のカテーテルシステムであって、
前記複数の電極が、第1の電極および第2の電極を含み、
前記形状変化は、前記第1のスプラインの湾曲であり、
前記第1の電極および前記第2の電極が、前記第1のスプラインに取り付けられており、
前記湾曲によって、前記第1の電極と前記第2の電極との間の間隔が減少する、カテーテルシステム。 - 請求項9に記載のカテーテルシステムであって、
前記複数の電極が、第1の電極および第2の電極を含み、
前記形状変化は、前記第1のスプラインの直線化であり、前記第1の電極および前記第2の電極が、前記第1のスプラインに取り付けられており、
前記直線化によって、前記第1の電極と前記第2の電極との間の間隔が増大する、カテーテルシステム。 - 請求項1に記載のカテーテルシステムであって、
前記複数の電極が、第1の電極および第2の電極を含み、
前記カテーテルシステムは、前記第1の電極と前記第2の電極との間に電流を印加することで、前記第1の電極と前記第2の電極との間の間隔を特定する、カテーテルシステム。 - 請求項1に記載のカテーテルシステムであって、切除カテーテルをさらに備え、
前記切除カテーテルが、
遠位部分を備える長尺シャフトと、
前記遠位部分に配置されて組織へエネルギーを送達するように構成される少なくとも一つの切除要素と、を含む、
カテーテルシステム。 - 請求項15に記載のカテーテルシステムであって、前記少なくとも一つの切除要素が、
電極と、
低温エネルギーを送達するように構成される導管と、
レーザダイオードと、
切除エネルギーを送達するように構成される光ファイバと、
マイクロ波エネルギー送達要素と、
超音波エネルギー送達要素と、
薬品または他の薬剤の送達要素と、
以上の組み合わせと、
から成るグループから選択される切除要素を包含する、カテーテルシステム。 - 請求項1に記載のカテーテルシステムであって、
遠位端部を備えるシースをさらに包含し、前記拡開アセンブリが、シース遠位端部から出る際に径方向に拡開するように構成される、カテーテルシステム。 - 請求項1に記載のカテーテルシステムであって、
前記複数の電極が、0.1ヘルツを上回る周波数について10,000オーム未満のインピーダンスを持つ少なくとも一つの電極を包含する、カテーテルシステム。 - 請求項1に記載のカテーテルシステムであって、
前記複数の超音波トランスデューサが、
単要素または多要素の圧電セラミックスと、
圧電微細加工による超音波トランスデューサ(pMUT)と、
容量性微細加工による超音波トランスデューサ(cMUT)と、
圧電ポリマーと、
以上の組み合わせと、
から成るグループから選択されるアセンブリを包含する、カテーテルシステム。 - 請求項1に記載のカテーテルシステムであって、
前記複数の超音波トランスデューサの各々が2つの電極の間に設置される、カテーテルシステム。 - 請求項1に記載のカテーテルシステムであって、
さらに少なくとも一つの体表面電極を包含し、前記距離測定アセンブリがさらに、前記少なくとも一つの体表面電極へ信号を送達し、前記少なくとも一つの体表面電極からの第2発生信号を記録し、前記第2発生信号の記録に基づいて第2距離情報セットを作成するように構成される、カテーテルシステム。 - 請求項1に記載のカテーテルシステムであって、
前記三次元解剖学マップが心臓壁位置情報または心臓壁厚情報の少なくともどちらか一方を包含する、カテーテルシステム。
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| JP2024528747A (ja) * | 2021-06-24 | 2024-07-31 | グラディエント デナベーション テクノロジーズ エスアーエス | エネルギーを印加し、肺動脈を除神経するためのシステム |
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| JP6316821B2 (ja) | 2018-04-25 |
| US10667753B2 (en) | 2020-06-02 |
| CN104812297B (zh) | 2017-05-17 |
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