JP6071340B2 - 組織との直接的な接触に適合されたカテーテル - Google Patents
組織との直接的な接触に適合されたカテーテル Download PDFInfo
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- JP6071340B2 JP6071340B2 JP2012191328A JP2012191328A JP6071340B2 JP 6071340 B2 JP6071340 B2 JP 6071340B2 JP 2012191328 A JP2012191328 A JP 2012191328A JP 2012191328 A JP2012191328 A JP 2012191328A JP 6071340 B2 JP6071340 B2 JP 6071340B2
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Description
(1) カテーテルであって、
細長い本体と、
遠位電極アセンブリであって、
内側チャンバを有するように構成されるとともに近位部分と遠位部分とを画定する壁を有する外殻を有する電極であって、前記遠位部分の前記壁が少なくとも1個の孔を有する、電極と、
前記内側チャンバを通じて前記近位部分と前記遠位部分との間に延びる微小要素であって、前記微小要素が、前記少なくとも1個の孔に受容される遠位端を有し、前記遠位端が、前記壁の外表面と少なくとも同じ広がりで延在する、微小要素と、を有する、遠位電極アセンブリと、
制御ハンドルと、を備え、
前記微小要素が、管腔を有する管、及び前記管腔を通じて延びる少なくとも1本のワイヤを含む、カテーテル。
(2) 前記チャンバが流体を受容するように適合され、更に前記チャンバが、前記チャンバの内部から前記チャンバの外部へと流体を流すように構成された複数の灌注孔を有する、実施態様1に記載のカテーテル。
(3) 前記微小要素の前記遠位端が、前記外殻の前記壁の外側に露出した部分を含む、実施態様2に記載のカテーテル。
(4) 前記微小要素がその遠位端に微小電極要素を有し、前記少なくとも1本のワイヤが前記微小電極要素に取り付けられる、実施態様1に記載のカテーテル。
(5) 前記微小要素が、温度感知に適合された少なくとも2本のワイヤを有する、実施態様1に記載のカテーテル。
(6) それぞれが遠位端を有する複数の微小要素を更に備え、前記微小要素の前記遠位端が、前記電極の長手方向軸を中心として、前記電極の前記遠位部分に放射状のパターンで配置される、実施態様1に記載のカテーテル。
(7) 前記複数が、約2個〜6個の範囲である、実施態様6に記載のカテーテル。
(8) 前記複数が、3個である、実施態様6に記載のカテーテル。
(9) 前記複数が、6個である、実施態様5に記載のカテーテル。
(10) インピーダンスを感知するように構成された第1の複数の第1の微小要素と、温度を感知するように構成された第2の複数の第2の微小要素と、を更に備え、
前記第1の微小要素がそれぞれ、微小電極及びリードワイヤを収容する管を有し、
前記第2の微小要素がそれぞれ、温度を感知するように構成されたワイヤのペアを収容する管を有する、実施態様1に記載のカテーテル。
(12) 前記第2の微小要素の遠位端もまた、前記第1の微小要素との間に間隔をおいて、前記円周に沿った放射状のパターンで配置される、実施態様10に記載のカテーテル。
(13) 前記第2の微小要素の遠位端が、前記電極の前記長手方向軸を中心として、前記外殻の前記遠位部分の異なる円周に沿った放射状のパターンで配置される、実施態様10に記載のカテーテル。
(14) 前記露出した部分が、前記電極の前記長手方向軸に対して遠位方向の成分と径方向の成分とを有するある角度で延びる、実施態様3に記載のカテーテル。
(15) 前記露出した部分が、約0.2mm〜1.0mmの範囲の長さを有する、実施態様3に記載のカテーテル。
(16) 前記露出した部分が、組織を断裂することなく組織の微小陥凹部を形成するように適合された非外傷性の形態を有する、実施態様3に記載のカテーテル。
(17) 前記微小要素が、
管腔を有するガイド管と、
温度感知ワイヤの遠位部分に塗布された導電性コーティングを有する温度感知ワイヤのペアと、
前記コーティングに取り付けられたリードワイヤと、を含み、
前記温度感知ワイヤ及び前記リードワイヤが前記管腔を通じて延びる、実施態様1に記載のカテーテル。
(18) カテーテルであって、
細長い本体と、
遠位電極アセンブリであって、
内側チャンバを有するように構成されるとともに近位部分と遠位部分とを画定する壁を有する外殻を有する電極であって、前記遠位部分の前記壁が複数の孔を有する、電極と、
前記内側チャンバを通じて前記近位部分と前記遠位部分との間に延びる共通の複数の微小要素であって、それぞれの微小要素が、対応する孔に受容される遠位端を有し、前記遠位端が前記外殻の外側に露出した部分を有する、微小要素と、を有する、遠位電極アセンブリと、
制御ハンドルと、を備え、
それぞれの微小要素が、管腔を有する管、及び前記管腔を通じて延びる少なくとも1本のワイヤを含む、カテーテル。
(19) 前記複数の微小要素が、第1の微小要素の第1の群と、第2の微小要素の第2の群とを含み、
前記第1の微小要素がそれぞれ、管腔を有するガイド管、並びに前記管腔内に配置された微小電極及びリードワイヤを有し、
前記第2の微小要素がそれぞれ、管腔を有するガイド管、及び前記管腔を通じて延びる温度感知ワイヤのペアを有する、実施態様18に記載のカテーテル。
(20) 前記露出した部分が前記電極の長手方向軸に対してある角度で延び、前記角度が少なくとも遠位方向の成分を有する、実施態様18に記載のカテーテル。
Claims (14)
- カテーテルであって、
細長い本体と、
遠位電極アセンブリであって、
内側チャンバを有するように構成されるとともに近位部分と遠位部分とを画定する壁を有する外殻を有する電極であって、前記遠位部分の前記壁が少なくとも1個の孔を有する、電極と、
前記内側チャンバを通じて前記近位部分と前記遠位部分との間に延びる微小要素であって、前記微小要素が、前記少なくとも1個の孔に受容される遠位端を有し、前記遠位端が、前記壁の外表面と少なくとも同じ広がりで延在する、微小要素と、を有する、遠位電極アセンブリと、
制御ハンドルと、を備え、
前記微小要素が、管腔を有する管、及び、導電性の外殻キャップを備え、
複数のサーミスタワイヤおよびリードワイヤが、前記管の前記管腔を通って延び、前記複数のサーミスタワイヤおよび前記リードワイヤは、前記管腔を満たす非導電性かつ非断熱性材料によって互いから隔離され、前記リードワイヤは、前記外殻キャップに、はんだ付けされ、前記外殻キャップは、前記管の遠位端内に位置する開口部を有し、略U字状の断面を有している、カテーテル。 - 前記チャンバが流体を受容するように適合され、更に前記チャンバが、前記チャンバの内部から前記チャンバの外部へと流体を流すように構成された複数の灌注孔を有する、請求項1に記載のカテーテル。
- 前記微小要素の前記遠位端が、前記外殻の前記壁の外側に露出した部分を含む、請求項2に記載のカテーテル。
- それぞれが遠位端を有する複数の微小要素を更に備え、前記微小要素の前記遠位端が、前記電極の長手方向軸を中心として、前記電極の前記遠位部分に放射状のパターンで配置される、請求項1に記載のカテーテル。
- 前記複数が、約2個〜6個の範囲である、請求項4に記載のカテーテル。
- 前記複数が、3個である、請求項4に記載のカテーテル。
- 前記複数が、6個である、請求項4に記載のカテーテル。
- 前記露出した部分が、前記電極の前記長手方向軸に対して遠位方向の成分と径方向の成分とを有するある角度で延びる、請求項3に記載のカテーテル。
- 前記露出した部分が、約0.2mm〜1.0mmの範囲の長さを有する、請求項3に記載のカテーテル。
- 前記露出した部分が、組織を断裂することなく組織の微小陥凹部を形成するように適合された非外傷性の形態を有する、請求項3に記載のカテーテル。
- カテーテルであって、
細長い本体と、
遠位電極アセンブリであって、
内側チャンバを有するように構成されるとともに近位部分と遠位部分とを画定する壁を有する外殻を有する電極であって、前記遠位部分の前記壁が複数の孔を有する、電極と、
前記内側チャンバを通じて前記近位部分と前記遠位部分との間に延びる共通の複数の微小要素であって、それぞれの微小要素が、対応する孔に受容される遠位端を有し、前記遠位端が前記外殻の外側に露出した部分を有する、微小要素と、を有する、遠位電極アセンブリと、
制御ハンドルと、を備え、
それぞれの微小要素が、管腔を有する管、及び、導電性の外殻キャップを備え、
複数のサーミスタワイヤおよびリードワイヤが、前記管の前記管腔を通って延び、前記複数のサーミスタワイヤおよび前記リードワイヤは、前記管腔を満たす非導電性かつ非断熱性材料によって互いから隔離され、前記リードワイヤは、前記外殻キャップに、はんだ付けされ、前記外殻キャップは、前記管の遠位端内に位置する開口部を有し、略U字状の断面を有している、カテーテル。 - 前記チャンバが流体を受容するように適合され、更に前記チャンバが、前記チャンバの内部から前記チャンバの外部へと流体を流すように構成された複数の灌注孔を有する、請求項11に記載のカテーテル。
- 前記微小要素の前記遠位端が、前記外殻の前記壁の外側に露出した部分を含む、請求項12に記載のカテーテル。
- 前記露出した部分が前記電極の長手方向軸に対してある角度で延び、前記角度が少なくとも遠位方向の成分を有する、請求項13に記載のカテーテル。
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US13/224,291 US10201385B2 (en) | 2011-09-01 | 2011-09-01 | Catheter adapted for direct tissue contact |
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AU2016200547A1 (en) | 2016-02-18 |
EP2564801B1 (en) | 2019-06-26 |
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RU2609457C2 (ru) | 2017-02-01 |
CN102961181B (zh) | 2017-04-19 |
EP3569176A1 (en) | 2019-11-20 |
ES2745505T3 (es) | 2020-03-02 |
US10201385B2 (en) | 2019-02-12 |
RU2012137203A (ru) | 2014-03-10 |
AU2018278889A1 (en) | 2019-01-03 |
DK2564801T3 (da) | 2019-09-02 |
CA2788138A1 (en) | 2013-03-01 |
AU2012216328A1 (en) | 2013-03-21 |
CN102961181A (zh) | 2013-03-13 |
US20190167347A1 (en) | 2019-06-06 |
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