JP2010246914A - 心外膜マッピング及びアブレーション用のカテーテル - Google Patents
心外膜マッピング及びアブレーション用のカテーテル Download PDFInfo
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Abstract
【解決手段】近位及び遠位端部を有する細長いカテーテル本体12と、カテーテル本体12の遠位端部にある偏向可能な中間部分14と、中間部分の遠位側にあるマッピング及びアブレーション用の電極アセンブリ17とを有している。カテーテルはまた、カテーテル本体12の近位端部にある制御ハンドル16を有しており、この制御ハンドルは、中間部分14の偏向を制御するためのものである。
【選択図】図1
Description
Claims (19)
- 心臓の心外膜組織と心嚢組織との間の腔での使用に適合されたカテーテルであって、
細長いカテーテル本体と、
前記カテーテル本体の遠位側にあって、概ね平面内にあるチップ部分とループ部材とを有し、前記チップ部分は、前記ループ部材の一方の側に露出したアブレーション電極と、前記ループ部材の反対側に露出した絶縁部材とを有する電極アセンブリと、
前記カテーテル本体と前記電極アセンブリとの間に延びていて、前記ループ部材及び前記チップ部分を前記平面内で概ね二方向に偏向させるように適合された中間部分と、を備えるカテーテル。 - 前記アブレーション電極は、前記心外膜組織を除去するように適合されており、前記絶縁部材は、前記心嚢組織を前記アブレーション電極から絶縁するように適合されている、請求項1に記載のカテーテル。
- 前記ループ部材は、遠位側に延びて前記遠位チップを囲む所定の形状を呈するように、形状記憶性を有する、請求項1に記載のカテーテル。
- 前記ループ部材は開端型である、請求項1に記載のカテーテル。
- 前記チップ部分は膨張可能な部材を有する、請求項2に記載のカテーテル。
- 前記チップ部分は、長手軸を有する概ね円筒形の形状をなし、前記アブレーション電極と前記絶縁部材は、前記長手軸に沿って互いに固着されている、請求項2に記載のカテーテル。
- 前記アブレーション電極及び前記絶縁部材の各々は、概ね半円形の横断面を有する、請求項6に記載のカテーテル。
- 前記チップ部分内に形成された通路内に遠位端部が受容される洗浄チューブ材を更に備え、前記洗浄チューブ材は、前記通路を通過させて流体を送るように適合されている、請求項6に記載のカテーテル。
- 前記チップ部分内に遠位端部が受容される膨張チューブ材を更に備え、前記膨張チューブ材は、前記膨張可能な部材に流体を送り且つ前記膨張可能な部材から流体を送るように適合されている、請求項5に記載のカテーテル。
- 前記中間部分は、所定の角度を有して構成されている、請求項1に記載のカテーテル。
- 前記チップ部分は、前記チップ部分の遠隔磁気案内に応じる磁気材料を収容する、請求項1に記載のカテーテル。
- 前記所定の形状は概ね円形である、請求項3に記載のカテーテル。
- 前記チップ部分内に形成された通路内に遠位端部が受容される注射針を更に備え、前記注射針は、前記チップ部分の外側に延びて組織を穿刺するように適合されている、請求項1に記載のカテーテル。
- 前記ループ部材はリング電極を搭載する、請求項1に記載のカテーテル。
- 前記ループ部材は、概ね直線状の部分と概ね円形の部分とを有し、これらの部分の両方が二方向偏向の前記平面内にある、請求項1に記載のカテーテル。
- 前記膨張可能な部材は、前記絶縁部材の外側表面に装着されている、請求項1に記載のカテーテル。
- 前記針を通じて延びる熱電対ワイヤを更に備える、請求項13に記載のカテーテル。
- 前記カテーテル本体及び前記中間部分を通じて延びて前記二方向偏向を可能にするプーラワイヤを更に備える、請求項1に記載のカテーテル。
- 前記カテーテル本体の近位側にある制御ハンドルを更に備え、前記プーラワイヤの前記近位端部は前記制御ハンドルに定着されており、前記制御ハンドルは、ユーザーが前記プーラワイヤを操作できるように構成されている、請求項18に記載のカテーテル。
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US12/384,992 US8287532B2 (en) | 2009-04-13 | 2009-04-13 | Epicardial mapping and ablation catheter |
US12/384,992 | 2009-04-13 |
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US (1) | US8287532B2 (ja) |
EP (1) | EP2241279B1 (ja) |
JP (1) | JP5717976B2 (ja) |
CN (1) | CN101856271B (ja) |
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- 2010-03-22 IL IL204664A patent/IL204664A/en active IP Right Grant
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- 2010-04-09 CA CA2699536A patent/CA2699536C/en not_active Expired - Fee Related
- 2010-04-09 JP JP2010090509A patent/JP5717976B2/ja active Active
- 2010-04-13 CN CN201010167123.6A patent/CN101856271B/zh active Active
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Cited By (3)
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JP2013085619A (ja) * | 2011-10-14 | 2013-05-13 | Nidec Copal Electronics Corp | アブレーションカテーテル |
JP2015502823A (ja) * | 2012-11-13 | 2015-01-29 | シャオリャン チェン | 多極同時肺動脈高周波アブレーションカテーテル |
JP2015112484A (ja) * | 2013-12-09 | 2015-06-22 | バイオセンス・ウエブスター・(イスラエル)・リミテッドBiosense Webster (Israel), Ltd. | 温度感知アレイ付きの心膜カテーテル |
Also Published As
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CA2699536A1 (en) | 2010-10-13 |
US8287532B2 (en) | 2012-10-16 |
US20120130366A1 (en) | 2012-05-24 |
CN101856271B (zh) | 2015-01-07 |
EP2241279B1 (en) | 2016-09-14 |
CA2699536C (en) | 2019-08-20 |
IL204664A (en) | 2013-07-31 |
EP2241279A1 (en) | 2010-10-20 |
CN101856271A (zh) | 2010-10-13 |
AU2010201269B2 (en) | 2014-04-17 |
IL204664A0 (en) | 2010-11-30 |
AU2010201269A1 (en) | 2010-10-28 |
JP5717976B2 (ja) | 2015-05-13 |
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