JP2017202306A - フレキシブル回路電極アセンブリを有する灌注式バルーンカテーテル - Google Patents
フレキシブル回路電極アセンブリを有する灌注式バルーンカテーテル Download PDFInfo
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- JP2017202306A JP2017202306A JP2017088046A JP2017088046A JP2017202306A JP 2017202306 A JP2017202306 A JP 2017202306A JP 2017088046 A JP2017088046 A JP 2017088046A JP 2017088046 A JP2017088046 A JP 2017088046A JP 2017202306 A JP2017202306 A JP 2017202306A
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- catheter
- wiring
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Abstract
【解決手段】 このカテーテルは、バルーンが膨張すると、小口に周接するように適合されたフレックス回路電極アセンブリを備える。バルーンカテーテルは、診断用途及び処置用途並びに診断法及び処置手技の両方に適合し、ラッソカテーテル又は局所カテーテルと共に使用することができる。フレックス回路電極アセンブリは、基板と、基板の外側表面上のコンタクト電極であって、コンタクト電極は、長手方向細長部分及び複数の横断方向フィンガー部を有する「魚の骨形」の形体を有する、コンタクト電極と、基板の内側表面上の配線電極と、コンタクト電極と配線電極とを電気的に連結する基板を通って延在する導電性ビアと、を備える。排除ゾーンを有する微小電極は、電極に対して諸条件、効果などを十分に考慮して位置づけられている。電極はまた、電極部分に分割することができる。
【選択図】 図1
Description
本出願は、全体の内容が参照により本明細書に援用されている、発明の名称が「METHOD OF CONSTRUCTING IRRIGATED BALLOON CATHETER」である2016年4月28日に出願された米国特許出願第15/141,751号の一部継続出願であり、この優先権及び利益を主張するものである。本出願はまた、全体の内容が参照により本明細書に援用されている、発明の名称が「BALLOON CATHETER AND RELATED IMPEDANCE−BASED METHODS FOR DETECTING OCCLUSION」である2016年6月2日に出願された米国特許出願第15/172,118号の一部継続出願であり、この優先権及び利益を主張するものである。
本発明は、医療用デバイスに関する。より具体的には、本発明は、電気生理学的(EP)カテーテル、具体的には、心臓における小口領域及び管状領域をマッピング及び/又はアブレーションするためのEPカテーテルを含む心臓カテーテル法の改善に関する。
機能不全の心臓を治療するための心組織のアブレーションは、かかる治療を実施するための周知の処置である。典型的には、アブレーションを成功させるために、心筋の多様な場所で心臓の電極電位を測定する必要がある。更に、アブレーション中の温度測定により、アブレーションの有効性を測定することができるデータがもたらされる。典型的には、アブレーション処置に対して、実際のアブレーション前、アブレーション中、及びアブレーション後に、電極電位及び温度が測定される。
以下の説明において、図面中の同様の要素は、同様の数字により識別され、同様の要素は、必要に応じて識別用の数字に文字を添えることにより区別される。
本発明は、フレックス回路電極アセンブリと、フレックス回路電極アセンブリを有するバルーンと、を構成する方法を含む。いくつかの実施形態では、方法は、以下のアクション1〜9を含む。アクションは、所望に応じて又は適宜、以下に示される順番で行われる必要が無いことを理解されたい。
(1) 小口における使用のために適合された電気生理学的カテーテルであって、
膜を有するバルーンであって、該バルーンは、長手方向軸線を画定する遠位端及び近位端を有する、バルーンと、
該膜の上に支持されたコンタクト電極であって、該コンタクト電極は、該小口と接触するように構成され、該コンタクト電極は、長手方向細長部分及び複数の横断方向フィンガー部を有する魚の骨形の形体を有する、コンタクト電極と、を備える、電気生理学的カテーテル。
(2) 前記横断方向フィンガー部のうち少なくとも2つは異なる長さを有する、実施態様1に記載の電気生理学的カテーテル。
(3) 前記コンタクト電極は、より長いフィンガー部及びより短いフィンガー部を有し、該より長いフィンガー部は、前記バルーンの赤道領域付近に据えられている、実施態様1に記載の電気生理学的カテーテル。
(4) 前記複数のフィンガー部は、遠位フィンガー部と、近位フィンガー部と、中間フィンガー部と、を含み、該中間フィンガー部のそれぞれは、より短い隣接するフィンガー部を有する、実施態様1に記載の電気生理学的カテーテル。
(5) 前記細長部分の幅は、それぞれのフィンガー部の幅より大きい、実施態様1に記載の電気生理学的カテーテル。
(7) 前記複数のフィンガー部は、概ね均一な幅を有する、実施態様1に記載の電気生理学的カテーテル。
(8) 前記コンタクト電極は、金を含む、実施態様1に記載の電気生理学的カテーテル。
(9) 前記コンタクト電極は、前記金の下にシード層を備える、実施態様8に記載の電気生理学的カテーテル。
(10) 前記バルーンの膜の上に概ね均等に放射状に分配された複数のコンタクト電極を更に備える、実施態様1に記載の電気生理学的カテーテル。
膜を有するバルーンと、
該膜の上のフレックス回路電極アセンブリであって、
第1の表面及び第2の表面を有する基板と、
該第1の表面上のコンタクト電極と、
該第2の表面上の配線電極と、
該基板を通って延在し、該コンタクト電極と該配線電極とを導電接続するように適合された、導電性ビアと、を有する、フレックス回路電極アセンブリと、を備える、電気生理学的カテーテル。
(12) 前記基板は、第1の灌注口を備え、前記膜は、該第1の灌注口と整列する第2の灌注口を備える、実施態様11に記載の電気生理学的カテーテル。
(13) 前記コンタクト電極は、前記第1の灌注口を取り囲む排除ゾーンを備える、実施態様12に記載の電気生理学的カテーテル。
(14) 前記配線電極は、前記第1の灌注口を取り囲む排除ゾーンを備える、実施態様12に記載の電気生理学的カテーテル。
(15) 前記コンタクト電極は、細長部分及び複数の横断方向フィンガー部を有する、実施態様11に記載の電気生理学的カテーテル。
(17) 前記配線電極は、はんだパッドを備える、実施態様11に記載の電気生理学的カテーテル。
(18) 前記フレックス回路電極アセンブリは、前記はんだパッドに導電接続された対線を備える、実施態様17に記載の電気生理学的カテーテル。
(19) 前記フレックス回路電極は、
コンタクト微小電極と、
配線微小電極と、
該コンタクト微小電極と前記配線電極とを導電接続するように構成された導電性ビアと、を備える、実施態様11に記載の電気生理学的カテーテル。
(20) 前記フレックス回路電極は、前記コンタクト電極及び前記配線電極から物理的かつ電気的に前記微小電極を分離させるように構成された少なくとも1つの排除ゾーンを備える、実施態様19に記載の電気生理学的カテーテル。
Claims (20)
- 小口における使用のために適合された電気生理学的カテーテルであって、
膜を有するバルーンであって、該バルーンは、長手方向軸線を画定する遠位端及び近位端を有する、バルーンと、
該膜の上に支持されたコンタクト電極であって、該コンタクト電極は、該小口と接触するように構成され、該コンタクト電極は、長手方向細長部分及び複数の横断方向フィンガー部を有する魚の骨形の形体を有する、コンタクト電極と、を備える、電気生理学的カテーテル。 - 前記横断方向フィンガー部のうち少なくとも2つは異なる長さを有する、請求項1に記載の電気生理学的カテーテル。
- 前記コンタクト電極は、より長いフィンガー部及びより短いフィンガー部を有し、該より長いフィンガー部は、前記バルーンの赤道領域付近に据えられている、請求項1に記載の電気生理学的カテーテル。
- 前記複数のフィンガー部は、遠位フィンガー部と、近位フィンガー部と、中間フィンガー部と、を含み、該中間フィンガー部のそれぞれは、より短い隣接するフィンガー部を有する、請求項1に記載の電気生理学的カテーテル。
- 前記細長部分の幅は、それぞれのフィンガー部の幅より大きい、請求項1に記載の電気生理学的カテーテル。
- 前記複数のフィンガー部は、前記細長部分に沿って概ね等間隔に配置されている、請求項1に記載の電気生理学的カテーテル。
- 前記複数のフィンガー部は、概ね均一な幅を有する、請求項1に記載の電気生理学的カテーテル。
- 前記コンタクト電極は、金を含む、請求項1に記載の電気生理学的カテーテル。
- 前記コンタクト電極は、前記金の下にシード層を備える、請求項8に記載の電気生理学的カテーテル。
- 前記バルーンの膜の上に概ね均等に放射状に分配された複数のコンタクト電極を更に備える、請求項1に記載の電気生理学的カテーテル。
- 電気生理学的カテーテルであって、
膜を有するバルーンと、
該膜の上のフレックス回路電極アセンブリであって、
第1の表面及び第2の表面を有する基板と、
該第1の表面上のコンタクト電極と、
該第2の表面上の配線電極と、
該基板を通って延在し、該コンタクト電極と該配線電極とを導電接続するように適合された、導電性ビアと、を有する、フレックス回路電極アセンブリと、を備える、電気生理学的カテーテル。 - 前記基板は、第1の灌注口を備え、前記膜は、該第1の灌注口と整列する第2の灌注口を備える、請求項11に記載の電気生理学的カテーテル。
- 前記コンタクト電極は、前記第1の灌注口を取り囲む排除ゾーンを備える、請求項12に記載の電気生理学的カテーテル。
- 前記配線電極は、前記第1の灌注口を取り囲む排除ゾーンを備える、請求項12に記載の電気生理学的カテーテル。
- 前記コンタクト電極は、細長部分及び複数の横断方向フィンガー部を有する、請求項11に記載の電気生理学的カテーテル。
- 前記配線電極は、前記細長部分と長手方向に整列する細長の本体を有する、請求項15に記載の電気生理学的カテーテル。
- 前記配線電極は、はんだパッドを備える、請求項11に記載の電気生理学的カテーテル。
- 前記フレックス回路電極アセンブリは、前記はんだパッドに導電接続された対線を備える、請求項17に記載の電気生理学的カテーテル。
- 前記フレックス回路電極は、
コンタクト微小電極と、
配線微小電極と、
該コンタクト微小電極と前記配線電極とを導電接続するように構成された導電性ビアと、を備える、請求項11に記載の電気生理学的カテーテル。 - 前記フレックス回路電極は、前記コンタクト電極及び前記配線電極から物理的かつ電気的に前記微小電極を分離させるように構成された少なくとも1つの排除ゾーンを備える、請求項19に記載の電気生理学的カテーテル。
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
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US15/141,751 | 2016-04-28 | ||
US15/141,751 US10638976B2 (en) | 2016-04-28 | 2016-04-28 | Method of constructing irrigated balloon catheter |
US15/172,118 | 2016-06-02 | ||
US15/172,118 US20170347896A1 (en) | 2016-06-02 | 2016-06-02 | Balloon catheter and related impedance-based methods for detecting occlusion |
US15/360,964 US10653480B2 (en) | 2016-04-28 | 2016-11-23 | Method for constructing irrigated balloon catheter with flexible circuit electrode assembly |
US15/360,966 | 2016-11-23 | ||
US15/360,964 | 2016-11-23 | ||
US15/360,966 US10660700B2 (en) | 2016-04-28 | 2016-11-23 | Irrigated balloon catheter with flexible circuit electrode assembly |
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JP2019202146A (ja) * | 2018-05-25 | 2019-11-28 | 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. | カテーテル先端部を介した熱伝達 |
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JP2021516557A (ja) * | 2018-03-28 | 2021-07-08 | 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. | 2次元可視化における多重電極識別及び配向のための識別可能な電極を有する灌注電気生理学的カテーテル |
JP2022507023A (ja) * | 2018-11-06 | 2022-01-18 | バイオセンス・ウエブスター・(イスラエル)・リミテッド | 大型不関電極のためのより高いインピーダンスの達成 |
WO2023167125A1 (ja) * | 2022-03-01 | 2023-09-07 | テルモ株式会社 | 医療デバイス |
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