JP2017529145A - マイクロ波アブレーションカテーテルアセンブリ、標的組織を電気外科手術的に治療する方法、およびマイクロ波アブレーションシステム - Google Patents
マイクロ波アブレーションカテーテルアセンブリ、標的組織を電気外科手術的に治療する方法、およびマイクロ波アブレーションシステム Download PDFInfo
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Abstract
Description
本願は、米国特許出願第14/828,682号(2015年8月18日出願)および米国仮出願第62/041,773号(2014年8月26日出願)の利益、およびそれらに対する優先権を主張し、上記出願の全内容は、参照により本明細書に引用される。
本開示は、マイクロ波アブレーションカテーテルアセンブリに関する。より具体的には、本開示は、マイクロ波アブレーションカテーテルアセンブリのマイクロ波アブレーションカテーテルのための電磁遮蔽体またはバランとして機能する電気伝導性内側表面を有する延長式作業チャネルを含む、マイクロ波アブレーションカテーテルアセンブリに関する。
Claims (20)
- マイクロ波アブレーションカテーテルアセンブリであって、前記マイクロ波アブレーションカテーテルアセンブリは、
アブレーションカテーテルであって、前記アブレーションカテーテルは、
近位部分および遠位部分を有する同軸ケーブルであって、前記近位部分は、マイクロ波エネルギー源に動作可能に接続されることが可能であり、前記同軸ケーブルは、内側導体および外側導体を含む、同軸ケーブルと、
前記同軸ケーブルの遠位部分に配置されている放射体と
を含む、アブレーションカテーテルと、
前記放射体を標的組織に隣接して位置付けるために前記アブレーションカテーテルを受け取るように構成されている延長式作業チャネルと
を備え、
前記延長式作業チャネルは、電気伝導性内側表面を含み、前記マイクロ波アブレーションカテーテルアセンブリへのマイクロ波エネルギーの印加時、前記同軸ケーブルの前記外側導体に沿って伝導されるエネルギーは、前記延長式作業チャネルの伝導性内側表面内に捕捉され、前記延長式作業チャネルに隣接する組織に影響を及ぼすことを防止される、
マイクロ波アブレーションカテーテルアセンブリ。 - 前記アブレーションカテーテルおよび延長式作業チャネルは、場所感知システムを使用して、患者内に設置される、請求項1に記載のマイクロ波アブレーションカテーテルアセンブリ。
- 前記延長式作業チャネルは、その近位端にスロットを含み、前記スロットは、前記アブレーションカテーテル上に位置付けられている対応する機械的界面と解放可能に係合するように構成されている、請求項1に記載のマイクロ波アブレーションカテーテルアセンブリ。
- 前記機械的界面は、前記同軸ケーブルの遠位放射区分を係止するために、前記スロット内に画定された複数の位置のうちの少なくとも1つの中に前記スロットとともに移動可能である、請求項3に記載のマイクロ波アブレーションカテーテルアセンブリ。
- 印が、前記スロットに沿って提供されている、請求項4に記載のマイクロ波アブレーションカテーテルアセンブリ。
- 前記印は、4分の1波長増分を表す、請求項5に記載のマイクロ波アブレーションカテーテルアセンブリ。
- 前記延長式作業チャネルは、前記電気伝導性内側表面を前記延長式作業チャネルに隣接する組織から分離する絶縁体をさらに備えている、請求項1に記載のマイクロ波アブレーションカテーテルアセンブリ。
- 前記同軸ケーブルの前記内側導体は、前記同軸ケーブルの前記外側導体を越えて遠位に延び、前記遠位放射区分と密閉係合する、請求項1に記載のマイクロ波アブレーションカテーテルアセンブリ。
- 前記アブレーションカテーテルは、冷却媒体のための経路を提供するために、前記同軸ケーブルおよび放射体を包囲する1つ以上の冷却カテーテルをさらに含む、請求項1に記載のマイクロ波アブレーションカテーテルアセンブリ。
- 前記冷却媒体は、液体または気体である、請求項9に記載のマイクロ波アブレーションカテーテルアセンブリ。
- 前記延長式作業チャネルは、冷却媒体が前記延長式作業チャネル内で循環するための閉鎖経路を提供する、請求項1に記載のマイクロ波アブレーションカテーテルアセンブリ。
- 前記延長式作業チャネルは、冷却媒体が前記延長式作業チャネルを通過するための開放経路を提供する、請求項1に記載のマイクロ波アブレーションカテーテルアセンブリ。
- 標的組織を電気外科手術的に治療する方法であって、
延長式作業チャネルを標的組織に隣接して位置付けることであって、前記延長式作業チャネルは、電気伝導性内側表面を有する、ことと、
アブレーションカテーテルの放射体が前記延長式作業チャネルの遠位端を越えて延びるように、前記アブレーションカテーテルを前記延長式作業チャネルを通して挿入することであって、前記アブレーションカテーテルは、外側導体を有する、ことと、
電気外科手術エネルギーが前記放射体から放射するように、エネルギーを前記アブレーションカテーテルに印加することと
を含み、
前記アブレーションカテーテルへのエネルギーの印加時、前記アブレーションカテーテルの外側導体に沿って伝導される任意のエネルギーは、前記延長式作業チャネルの前記電気伝導性内側表面内に捕捉され、前記延長式作業チャネルに隣接する組織に影響を及ぼすことを防止される、方法。 - 前記アブレーションカテーテルを前記延長式作業チャネルを通して挿入することは、前記アブレーションカテーテルの機械的界面を前記延長式作業チャネル上に提供されているスロットに沿って画定された少なくとも1つの機械的界面と係合させ、前記アブレーションカテーテルの前記放射体を前記延長式作業チャネルの前記遠位端の遠位の位置に係止することをさらに含む、請求項13に記載の方法。
- 前記延長式作業チャネルの前記電気伝導性内側表面は、編組構成を含む、請求項13に記載の方法。
- スロットが、前記延長式作業チャネルの近位端に提供され、前記スロットは、前記アブレーションカテーテル上に位置付けられている機械的界面に解放可能に結合するように構成されている、請求項14に記載の方法。
- 印が、前記スロットに沿って提供されている、請求項14に記載の方法。
- 前記印は、4分の1波長増分を表す、請求項17に記載の方法。
- 前記アブレーションカテーテルの前記機械的界面を遠位に移動させ、前記アブレーションカテーテルを前記スロット内の少なくとも1つの他の位置の中に係止し、前記アブレーションカテーテルの内側導体と外側導体との間の信号平衡を調節することを含む、請求項18に記載の方法。
- マイクロ波アブレーションシステムであって、前記マイクロ波アブレーションシステムは、
マイクロ波エネルギー源と、
アブレーションカテーテルであって、前記アブレーションカテーテルは、
近位部分および遠位部分を有する同軸ケーブルであって、前記近位部分は、前記マイクロ波エネルギー源に動作可能に接続され、前記同軸ケーブルは、内側導体および外側導体を含む、同軸ケーブルと、
前記同軸ケーブルの遠位部分に配置されている放射体と
を含む、アブレーションカテーテルと、
前記放射体を標的組織に隣接して位置付けるために、前記アブレーションカテーテルを受け取るように構成されている延長式作業チャネルと
を備え、
前記延長式作業チャネルは、電気伝導性内側表面を含み、前記アブレーションカテーテルへのマイクロ波エネルギーの印加時、前記同軸ケーブルの前記外側導体に沿って伝導されるエネルギーは、前記延長式作業チャネルの前記伝導性内側表面内に捕捉され、前記延長式作業チャネルに隣接する組織に影響を及ぼすことを防止される、
マイクロ波アブレーションシステム。
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US201462041773P | 2014-08-26 | 2014-08-26 | |
US62/041,773 | 2014-08-26 | ||
US14/828,682 US10624697B2 (en) | 2014-08-26 | 2015-08-18 | Microwave ablation system |
US14/828,682 | 2015-08-18 | ||
PCT/US2015/046729 WO2016033066A1 (en) | 2014-08-26 | 2015-08-25 | Microwave ablation catheter assembly, method of electrosurgically treating target tissue, and microwave ablation system |
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JP6612851B2 (ja) | 2019-11-27 |
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CN106687060A (zh) | 2017-05-17 |
EP3735928A1 (en) | 2020-11-11 |
AU2015306746A1 (en) | 2017-03-02 |
EP3185804A4 (en) | 2018-04-18 |
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AU2015306746B2 (en) | 2019-08-15 |
US10624697B2 (en) | 2020-04-21 |
EP4082463A1 (en) | 2022-11-02 |
EP3185804B1 (en) | 2020-07-01 |
EP3735928B1 (en) | 2022-07-27 |
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