JP2012509111A - 体組織を切除するシステムおよび方法 - Google Patents
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Abstract
Description
本出願は、同時係属の米国特許出願第11/747,862号(代理人整理番号027680−000120US)、第11/747,867号(代理人整理番号027680−000130US)、第12/480,929号(代理人整理番号027680−000210US)、第12/480,256号(代理人整理番号027680−000310US)、第12/483,174号(代理人整理番号027680−000410US)、第12/482,640号(代理人整理番号027680−000510US)、第12/505,326号(代理人整理番号027680−000510US)、第12/505,335号(代理人整理番号027680−000710US)、第12/609,759号(代理人整理番号027680−001110US)、第12/609,274号(代理人整理番号027680−001410US)、および第12/609,705号(代理人整理番号027680−001610US)に関する。本出願はまた、同時係属の米国仮特許出願第61/148,809号(代理人整理番号027680−001000US)、および第61/254,997号(代理人整理番号027680−001900US)に関する。上記参照の出願の各々の全内容は、参照によって本明細書に援用される。
(1.発明の分野)
本出願は、概して、人の組織に切除帯を作るシステムおよび方法に関する。より具体的には、本出願は、組織損傷を作るために用いられる超音波トランスデューサ形態に関し、さらにより具体的には、心臓の細動を治療するために用いられる超音波トランスデューサに関する。本出願は、心房細動の治療を強調するが、当業者は、このことが限定することは意図されないこと、また本明細書に開示されるシステムおよび方法が他の不整脈を治療するため、そして組織に損傷を作ることによって他の状態を治療するためにも用いられ得ることを理解する。
心房細動の治療に関する特許は、以下のものを含むが、これらに限定されない:特許文献1、特許文献2、特許文献3、特許文献4、特許文献5、特許文献6、特許文献7、特許文献8、特許文献9、特許文献10、米国特許第6,929,639号、第6,872,205号、第6,814,733号、第6,780,183号、第6,666,858号、第6,652,515号、第6,635,054号、第6,605,084号、第6,547,788号、第6,514,249号、第6,502,576号、第6,500,121号、第6,416,511号、第6,383,151号、第6,305,378号、第6,254,599号、第6,245,064号、第6,164,283号、第6,161,543号、第6,117,101号、第6,024,902号、第6,052,576号、第6,024,740号、第6,012,457号、第5,629,906号、第5,405,346号、第5,314,466号、第5,295,484号、第5,246,438号、第4,757,820号および第4,641,649号。
本発明は、組織に損傷を作るために用いられ得る、結合された画像化能力および療法能力を有するトランスデューサアセンブリを開示する。好ましい実施形態において、トランスデューサアセンブリは、迷入の電気的経路をブロックする伝導ブロックを標的組織に作り組織を切除するために用いられる。従って、トランスデューサアセンブリは、細動または他の不整脈ならびに組織に損傷を作ることを必要とする他の状態に対する治療として用いられ得る。
詳細な説明は多くの特殊例を含むが、これらは、本発明の範囲を限定するものとして解釈されるべきではなく、単に本発明の種々の実施例および局面を示すものとして解釈されるべきである。本発明の範囲が上記に詳細に考察されない他の実施形態を含むことは理解されるべきである。当業者に明らかである様々な他の修正、変更および変種が、ここに説明されるような本発明の精神および範囲から逸脱することなく、本明細書において開示される本発明の配置、動作、方法および装置の詳細においてなされ得る。
Claims (30)
- 近位表面と遠位表面とを備えているトランスデューサ要素と、
該トランスデューサ要素の該遠位表面に取り付けられた第1のヒートシンクと、
該トランスデューサ要素の該近位表面に取り付けられた第2のヒートシンクと、
該第1のヒートシンクおよび第2のヒートシンクに結合されたベースであって、該ベースは、該トランスデューサ要素の該近位表面および遠位表面を冷却するために該トランスデューサ要素を通過して流体が流れることを可能にするように構成される、ベースと
を備えている、トランスデューサシステム。 - 前記ベースと、前記トランスデューサ要素と、前記第1のヒートシンクと、前記第2のヒートシンクとを収納するように構成される管状のジャケットをさらに備え、該管状のジャケットは、該管状のジャケットから流体が出ることを可能にするように構成される少なくとも1つの流体出口ポートを備えている、請求項1に記載のシステム。
- 前記第1のヒートシンクは、第1の接合部分と、第1の実質的に湾曲した部分とを備え、該第1の接合部分は、前記トランスデューサの前記遠位表面に接合され、該第1の実質的に湾曲した部分は、該トランスデューサ要素から近位に突き出ることによって、該トランスデューサ要素の該遠位表面から熱を逃がすように伝える、請求項1に記載のシステム。
- 前記第1の接合部分は、材料を含み、該材料の組成および寸法が前記トランスデューサ要素の前記遠位表面に音響的整合層を提供する、請求項3に記載のシステム。
- 前記第1の接合部分は、アルミニウムと、グラファイトと、金属充填グラファイトと、セラミックと、グラファイトおよび銅またはタングステンのアマルガムと、エポキシ充填金属とからなる群から選ばれる材料である、請求項4に記載のシステム。
- 前記接合部分は、前記トランスデューサ要素の前記遠位表面と電気的連絡かつ熱的連絡をしている、請求項5に記載のシステム。
- 前記接合部分と前記遠位表面との間の電気的連絡は、該接合部分と該遠位表面との間の直接接触によって確立される、請求項6に記載のシステム。
- 前記直接接触は、前記接合部分および前記遠位表面の表面あらさによって制御される、請求項7に記載のシステム。
- 前記第2のヒートシンクは、第2の接合部分と、第2の実質的に湾曲した部分とを備え、該第2の接合部分は、前記トランスデューサの前記近位表面に接合され、該第2の実質的に湾曲した部分は、該トランスデューサ要素から近位に突き出ることによって、該トランスデューサ要素の該近位表面から熱を逃がすように伝える、請求項1に記載のシステム。
- 前記第2の接合部分は、材料を含み、該材料の組成が前記トランスデューサ要素の音響インピーダンスに音響的に不整合であることによって、該トランスデューサ要素の前記近位表面に反射バッキング層を提供する、請求項9に記載のシステム。
- 前記トランスデューサの前記近位表面と前記第2のヒートシンクとの間に配置されるエアポケットをさらに備えている、請求項1に記載のシステム。
- 前記第2の接合部分は銅を含む、請求項9に記載のシステム。
- 前記トランスデューサ要素は、実質的に平らな円形のディスクを備えている、請求項1に記載のシステム。
- 前記トランスデューサ要素は、第1の周波数範囲において第1の出力レベルおよび第2の周波数範囲において第2の出力レベルで動作する、請求項1に記載のシステム。
- 前記第1の周波数範囲は組織を超音波による画像化するために用いられ、前記第2の周波数範囲は組織損傷を作るために用いられる、請求項14に記載のシステム。
- 前記第1の周波数範囲は5MHz〜30MHzであり、前記第2の周波数範囲は10MHz〜18MHzである請求項15に記載のシステム。
- 前記第1の接合部分および前記第2の接合部分は目打ちを備え、その結果、該第1の接合部分は前記トランスデューサ要素の前記音響インピーダンスに音響的に整合し、該第2の接合部分は該トランスデューサ要素の該音響インピーダンスに音響的に不整合である、請求項3に記載のシステム。
- 近位端と遠位端とを有する細長い可撓性シャフトをさらに備え、前記トランスデューサは該シャフトの該遠位端に隣接して配置される、請求項1に記載のシステム。
- 前記トランスデューサと流体連絡する冷却流体をさらに備えている、請求項1に記載のシステム。
- 温度をモニタするために、前記トランスデューサに隣接して温度センサをさらに備えている、請求項1に記載のシステム。
- 組織を切除する方法であって、該方法は、
患者に切除デバイスを導入することであって、該デバイスは、第1の出力レベルおよび第2の出力レベルで動作するように構成される超音波トランスデューサ要素を備え、該第1の出力レベルは、組織を超音波による画像化し、標的組織を識別するために用いられ、該第2の出力レベルは、該標的組織を切除するために用いられる、ことと、
該組織の一部分を画像化し、該標的組織を識別するために該第1の出力レベルで該トランスデューサ要素を動作させ、該標的組織を切除するために該第2の出力レベルで該トランスデューサ要素を動作させることと、
該超音波トランスデューサの表面を冷却することと
を包含する、方法。 - 前記トランスデューサ要素は、近位表面と遠位表面とを備え、前記デバイスは、該トランスデューサ要素の該遠位表面および近位表面に接合された第1および第2のヒートシンクをさらに備えている、請求項21に記載の方法。
- 前記冷却することは、前記トランスデューサ要素の動作中、前記トランスデューサ要素ならびに前記第1のヒートシンクおよび第2のヒートシンクに流体を導入することによって、該トランスデューサ要素をさらに冷却する、請求項21に記載の方法。
- 前記流体の温度をモニタすることと、該モニタされた温度に基づいて流体の流れを調整することをさらに包含する、請求項23に記載の方法。
- 前記トランスデューサ要素は、第1の部分と第2の部分とを備え、該第1の部分は前記第1の出力レベルで動作するように構成され、該第2の部分は前記第2の出力レベルで動作するように構成される、請求項21に記載の方法。
- 前記第1の部分は、前記第2の出力レベルでの前記第2の部分の動作と同時に前記第1の出力レベルで動作させられる、請求項25に記載の方法。
- 前記導入するステップは、患者の心臓の隔壁を横切って中隔を越えて前記切除デバイスを通過させることを包含する、請求項21に記載の方法。
- 前記導入するステップは、患者の心臓の左心房の中に前記切除デバイスの位置を決めることを包含する、請求項21に記載の方法。
- 前記超音波トランスデューサと前記標的組織とは接触しない、請求項28に記載の方法。
- 前記トランスデューサ要素の温度をモニタすることと、該モニタされた温度に基づいて前記第1の出力レベルまたは前記第2の出力レベルのいずれかを調整することをさらに包含する、請求項21に記載の方法。
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2009
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- 2009-11-17 CA CA2742787A patent/CA2742787C/en active Active
- 2009-11-17 ES ES09826990.5T patent/ES2447291T3/es active Active
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| JP2016501568A (ja) * | 2012-11-08 | 2016-01-21 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | 介入装置、組立方法、及び組立システム |
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| CA2742787A1 (en) | 2010-05-20 |
| JP2015027579A (ja) | 2015-02-12 |
| AU2009313687A1 (en) | 2010-05-20 |
| JP5941281B2 (ja) | 2016-06-29 |
| CA2742787C (en) | 2018-05-15 |
| EP2352559A4 (en) | 2012-11-21 |
| AU2016201109B2 (en) | 2017-05-04 |
| US20170354397A1 (en) | 2017-12-14 |
| EP2352559B1 (en) | 2013-12-25 |
| US9737323B2 (en) | 2017-08-22 |
| ES2447291T3 (es) | 2014-03-11 |
| US10154831B2 (en) | 2018-12-18 |
| AU2016201109A1 (en) | 2016-03-10 |
| AU2009313687B2 (en) | 2015-11-26 |
| AU2016201109C1 (en) | 2017-09-07 |
| US20130261455A1 (en) | 2013-10-03 |
| EP2352559A1 (en) | 2011-08-10 |
| WO2010057211A1 (en) | 2010-05-20 |
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