JP6246742B2 - 単一アクション二重偏向機構を有する心房粗動の治療のためのカテーテル - Google Patents
単一アクション二重偏向機構を有する心房粗動の治療のためのカテーテル Download PDFInfo
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Description
本願は、2012年3月2日に出願された米国仮出願第61/605,886号の優先権及び利益を主張するものであり、その全体の内容は参照として組み込まれる。
本発明は、心不整脈、特に心房粗動の治療のためのカテーテル及びアブレーションの使用方法に関する。特に、このカテーテル及び方法は、単一アクション二重偏向機構を使用して電気生理学者に心不整脈、特に心房粗動の治療に有用なカテーテルを提供する。
(1) 偏向可能なカテーテルであって、
外壁と、近位端及び遠位端と、細長いカテーテル本体を通して延在する少なくとも1つの管腔と、を有する、細長いカテーテル本体と、
近位端及び遠位端と、可撓性チューブ材を通して延在する複数の管腔と、を有する可撓性チューブ材を含む遠位先端部であって、該先端部の該近位端が前記カテーテル本体の該遠位端に固定的に取り付けられている、遠位先端部と、を含み、
前記先端部が、中に形成されるスロットを有するニチノールチューブを更に含み、前記ニチノールチューブが、前記遠位先端部に近位のある点で前記偏向可能なカテーテルを偏向させるのに使用される同じ引っ張りワイヤを使用して前記遠位先端部を偏向させる、偏向可能なカテーテル。
(2) 偏向可能なカテーテルであって、
細長いカテーテル本体と、
背(spine)及び少なくとも1つのスロットを備えるヒンジ式チューブを有する遠位先端部であって、該背から離れる第1方向での遠位偏向に適し、より少ない剛性を有する、遠位先端部と、
前記カテーテル本体と前記遠位先端部との間の中間偏向可能部分であって、前記第1方向又は第2方向での近位偏向に適し、より大きな剛性を有する、中間偏向可能部分と、
先端電極と、
前記カテーテル本体に近位の制御ハンドルと、
前記カテーテル本体、前記中間偏向可能部分、及び前記ヒンジ式チューブを通って延在する第1及び第2の引っ張りワイヤであって、前記先端電極又はその近くに定着される遠位端をそれぞれ有する、第1及び第2の引っ張りワイヤと、を含み、
前記遠位先端部及び前記中間部分が、前記第1及び第2の引っ張りワイヤのどちらかの長手方向の動きによって偏向される、偏向可能なカテーテル。
(3) 前記近位及び遠位偏向が、前記第1の引っ張りワイヤの長手方向の動きによりそれぞれ反対の方向になって、前記近位及び遠位方向の両方が、前記第2の引っ張りワイヤの長手方向の動きによって前記第1方向になる、実施態様2に記載のカテーテル。
(4) 前記中間部分が偏向される前に、前記遠位先端部が偏向される、実施態様3に記載のカテーテル。
(5) 各引っ張りワイヤが、第1直径位置で前記制御ハンドルに定着された近位端を有し、前記各引っ張りワイヤの遠位端が、一般に前記第1直径位置と反対の第2直径位置で前記遠位先端電極に、又はその近くに定着される、実施態様2に記載のカテーテル。
(7) 前記遠位先端部が、前記チューブを覆うチューブ材を更に含む、実施態様2に記載のカテーテル。
(8) 前記チューブ材が、熱可塑性材料で構成される、実施態様7に記載のカテーテル。
(9) 前記チューブが、前記熱可塑性材料を加熱したときに形成される結節を受容するのに適した貫通孔を有する、実施態様8に記載のカテーテル。
(10) 偏向可能なカテーテルであって、
細長いカテーテル本体と、
背及び少なくとも1つのスロットを備えるヒンジ式チューブを有する遠位先端部であって、該背から離れる第1方向での遠位偏向に適し、より少ない剛性を有する、遠位先端部と、
前記カテーテル本体と前記遠位先端部との間の中間偏向可能部分であって、前記第1方向又は第2方向での近位偏向に適し、より大きな剛性を有する、中間偏向可能部分と、
先端電極と、
前記カテーテル本体に近位の制御ハンドルと、
前記カテーテル本体、前記中間偏向可能部分、及び前記ヒンジ式チューブを通って延在する第1及び第2の引っ張りワイヤであって、前記第1及び第2の引っ張りワイヤが、前記先端電極又はその近くに定着される遠位端、及び前記制御ハンドルに定着される近位端をそれぞれ有し、各引っ張りワイヤの対応する遠位端及び近位端が直径方向に反対の位置に定着されている、第1及び第2の引っ張りワイヤと、を含み、
前記遠位先端部及び前記中間部分が、前記第1の引っ張りワイヤの長手方向の動きによってそれぞれ反対の方向に偏向され、前記遠位先端部及び前記中間部分の両方が、前記第2の引っ張りワイヤの長手方向の動きによって前記第1方向に偏向される、偏向可能なカテーテル。
(12) 前記カテーテルが、前記制御ハンドルから前記先端電極内へと延在する潅注チューブ材を更に含む、実施態様10に記載のカテーテル。
(13) 前記少なくとも1つのスロットが深さによって異なる幅を有する、実施態様10に記載のカテーテル。
(14) 前記少なくとも1つのスロットが、深さと共に増大する幅を有する、実施態様13に記載のカテーテル。
(15) 前記チューブが少なくとも4つのスロットを有する、実施態様10に記載のカテーテル。
(17) 前記中間偏向可能部分が、複数管腔を有するチューブ材を含む、実施態様10に記載のカテーテル。
(18) 前記複数管腔を有するチューブ材が、一対の直径方向に向かい合った管腔を有し、各引っ張りワイヤが前記一対の直径方向に向かい合った管腔のうちの対応の1つを通って延在する、実施態様17に記載のカテーテル。
(19) 前記チューブが、約0〜90度の偏向に適合している、実施態様10に記載のカテーテル。
(20) 前記遠位先端部が、前記チューブを覆う熱可塑性チューブ材を含む、実施態様10に記載のカテーテル。
Claims (20)
- 偏向可能なカテーテルであって、
細長いカテーテル本体と、
背及び少なくとも1つのスロットを備えるヒンジ式チューブを有する遠位先端部であって、該背から離れる第1方向での遠位偏向に適し、より少ない剛性を有する、遠位先端部と、
前記カテーテル本体と前記遠位先端部との間の中間偏向可能部分であって、前記第1方向又は第2方向での近位偏向に適し、より大きな剛性を有する、中間偏向可能部分と、
先端電極と、
前記カテーテル本体に近位の制御ハンドルと、
前記カテーテル本体、前記中間偏向可能部分、及び前記ヒンジ式チューブを通って延在する第1及び第2の引っ張りワイヤであって、前記先端電極又はその近くに定着される遠位端をそれぞれ有する、第1及び第2の引っ張りワイヤと、を含み、
前記遠位先端部及び前記中間偏向可能部分が、前記第1及び第2の引っ張りワイヤのどちらかの長手方向の動きによって偏向され、
前記第1の引っ張りワイヤが、前記カテーテルが延在する方向に移動した際に、前記遠位偏向が前記第1方向になり、前記近位偏向が、前記カテーテルが延在する方向に対する垂直方向において、前記第1方向と反対の方向になって、前記第2の引っ張りワイヤが、前記カテーテルが延在する方向に移動した際に、前記遠位偏向および前記近位偏向の双方が前記第1方向になる、偏向可能なカテーテル。 - 前記ヒンジ式チューブが、ニチノールで構成される、請求項1に記載のカテーテル。
- 前記第1の引っ張りワイヤおよび前記第2の引っ張りワイヤは、前記制御ハンドルの操作により、互いに独立して作動される、請求項1に記載のカテーテル。
- 前記中間偏向可能部分が偏向される前に、前記遠位先端部が偏向される、請求項3に記載のカテーテル。
- 前記第1の引っ張りワイヤの近位端が、第1位置で前記制御ハンドルに定着され、前記第2の引っ張りワイヤの近位端が、前記カテーテルが延在する方向に対する垂直方向において、前記第1位置と反対側である第2位置で前記制御ハンドルに定着され、前記第1の引っ張りワイヤおよび前記第2の引っ張りワイヤは、前記第1の引っ張りワイヤおよび前記第2の引っ張りワイヤの長手方向における中間位置で交差しており、前記第1の引っ張りワイヤの遠位端が、前記カテーテルが延在する方向に対する垂直方向において、前記第1位置と反対側である第3位置で前記先端電極に、又はその近くに定着され、前記第2の引っ張りワイヤの遠位端が、前記カテーテルが延在する方向に対する垂直方向において、前記第2位置と反対側である第4位置で前記先端電極に、又はその近くに定着される、請求項2に記載のカテーテル。
- 前記各引っ張りワイヤが、前記ヒンジ式チューブを通って延在する間に、前記ヒンジ式チューブの一方の側から前記ヒンジ式チューブの他方の側まで180度のクロスオーバーを有する、請求項2に記載のカテーテル。
- 前記遠位先端部が、前記ヒンジ式チューブを覆うチューブ材を更に含む、請求項2に記載のカテーテル。
- 前記チューブ材が、熱可塑性材料で構成される、請求項7に記載のカテーテル。
- 前記ヒンジ式チューブが、前記熱可塑性材料を加熱したときに前記熱可塑性材料が溶融して形成され、前記チューブ材を前記ヒンジ式チューブに固定するノードを受容するのに適した貫通孔を有する、請求項8に記載のカテーテル。
- 偏向可能なカテーテルであって、
細長いカテーテル本体と、
背及び少なくとも1つのスロットを備えるヒンジ式チューブを有する遠位先端部であって、該背から離れる第1方向での遠位偏向に適し、より少ない剛性を有する、遠位先端部と、
前記カテーテル本体と前記遠位先端部との間の中間偏向可能部分であって、前記第1方向又は第2方向での近位偏向に適し、より大きな剛性を有する、中間偏向可能部分と、
先端電極と、
前記カテーテル本体に近位の制御ハンドルと、
前記カテーテル本体、前記中間偏向可能部分、及び前記ヒンジ式チューブを通って延在する第1及び第2の引っ張りワイヤであって、前記第1及び第2の引っ張りワイヤが、前記先端電極又はその近くに定着される遠位端、及び前記制御ハンドルに定着される近位端をそれぞれ有する、第1及び第2の引っ張りワイヤと、を含み、
前記第1の引っ張りワイヤの近位端が、第1位置で前記制御ハンドルに定着され、前記第2の引っ張りワイヤの近位端が、前記カテーテルが延在する方向に対する垂直方向において、前記第1位置と反対側である第2位置で前記制御ハンドルに定着され、前記第1の引っ張りワイヤおよび前記第2の引っ張りワイヤは、前記第1の引っ張りワイヤおよび前記第2の引っ張りワイヤの長手方向における中間位置で交差しており、前記第1の引っ張りワイヤの遠位端が、前記カテーテルが延在する方向に対する垂直方向において、前記第1位置と反対側である第3位置で前記先端電極に、又はその近くに定着され、前記第2の引っ張りワイヤの遠位端が、前記カテーテルが延在する方向に対する垂直方向において、前記第2位置と反対側である第4位置で前記先端電極に、又はその近くに定着され、
前記第1の引っ張りワイヤが、前記カテーテルが延在する方向に移動した際に、前記遠位偏向が前記第1方向になり、前記近位偏向が、前記カテーテルが延在する方向に対する垂直方向において、前記第1方向と反対の方向になって、前記第2の引っ張りワイヤが、前記カテーテルが延在する方向に移動した際に、前記遠位偏向および前記近位偏向の双方が前記第1方向になる、偏向可能なカテーテル。 - 前記ヒンジ式チューブが、ニチノールで構成される、請求項10に記載のカテーテル。
- 前記カテーテルが、前記制御ハンドルから前記先端電極内へと延在する潅注チューブ材を更に含む、請求項10に記載のカテーテル。
- 前記少なくとも1つのスロットが深さによって異なる幅を有する、請求項10に記載のカテーテル。
- 前記少なくとも1つのスロットが、深さと共に増大する幅を有する、請求項13に記載のカテーテル。
- 前記ヒンジ式チューブが少なくとも4つのスロットを有する、請求項10に記載のカテーテル。
- 前記遠位先端部が、前記中間偏向可能部分より前に偏向される、請求項10に記載のカテーテル。
- 前記中間偏向可能部分が、複数管腔を有するチューブ材を含む、請求項10に記載のカテーテル。
- 前記複数管腔を有するチューブ材が、一対の前記カテーテルが延在する方向に対する垂直方向に向かい合った管腔を有し、各引っ張りワイヤが前記一対の前記カテーテルが延在する方向に対する垂直方向に向かい合った管腔のうちの対応の1つを通って延在する、請求項17に記載のカテーテル。
- 前記ヒンジ式チューブが、0〜90度の偏向に適合している、請求項10に記載のカテーテル。
- 前記遠位先端部が、前記ヒンジ式チューブを覆う熱可塑性チューブ材を含む、請求項10に記載のカテーテル。
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- 2013-03-01 CN CN201380012244.5A patent/CN104427950B/zh active Active
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US11707229B2 (en) | 2015-05-08 | 2023-07-25 | St Jude Medical International Holding S.À R.L. | Integrated sensors for medical devices and method of making integrated sensors for medical devices |
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US12076079B2 (en) | 2016-05-03 | 2024-09-03 | St. Jude Medical, Cardiology Division, Inc. | Irrigated high density electrode catheter |
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US12036027B2 (en) | 2016-10-28 | 2024-07-16 | St. Jude Medical, Cardiology Division, Inc. | Flexible high-density mapping catheter |
US12011549B2 (en) | 2017-01-19 | 2024-06-18 | St. Jude Medical, Cardiology Division, Inc. | Sheath visualization |
US11647935B2 (en) | 2017-07-24 | 2023-05-16 | St. Jude Medical, Cardiology Division, Inc. | Masked ring electrodes |
US11813410B2 (en) | 2017-11-28 | 2023-11-14 | St. Jude Medical, Cardiology Division, Inc. | Controllable expandable catheter |
US11672947B2 (en) | 2017-11-28 | 2023-06-13 | St. Jude Medical, Cardiology Division, Inc. | Lumen management catheter |
US11642063B2 (en) | 2018-08-23 | 2023-05-09 | St. Jude Medical, Cardiology Division, Inc. | Curved high density electrode mapping catheter |
US12082936B2 (en) | 2018-09-27 | 2024-09-10 | St. Jude Medical, Cardiology Division, Inc. | Uniform mapping balloon |
US11918762B2 (en) | 2018-10-03 | 2024-03-05 | St. Jude Medical, Cardiology Division, Inc. | Reduced actuation force electrophysiology catheter handle |
US12121357B2 (en) | 2019-06-18 | 2024-10-22 | St. Jude Medical, Cardiology Division, Inc. | High density electrode mapping catheter |
Also Published As
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US20160100885A1 (en) | 2016-04-14 |
AU2013225794A1 (en) | 2014-10-16 |
CA2865416A1 (en) | 2013-09-06 |
CN104427950A (zh) | 2015-03-18 |
IL234028B (en) | 2018-01-31 |
EP3466363A1 (en) | 2019-04-10 |
WO2013130940A3 (en) | 2013-12-05 |
WO2013130940A8 (en) | 2014-10-09 |
US20170215954A1 (en) | 2017-08-03 |
JP2015511855A (ja) | 2015-04-23 |
IN2014DN07202A (ja) | 2015-04-24 |
CN104427950B (zh) | 2017-06-20 |
AU2013225794B2 (en) | 2017-11-02 |
RU2014139829A (ru) | 2016-04-20 |
US20190021791A1 (en) | 2019-01-24 |
IL234028A0 (en) | 2014-09-30 |
US20130231657A1 (en) | 2013-09-05 |
EP2819602A2 (en) | 2015-01-07 |
US10080608B2 (en) | 2018-09-25 |
US10973572B2 (en) | 2021-04-13 |
WO2013130940A2 (en) | 2013-09-06 |
EP2819602B1 (en) | 2019-05-22 |
ES2737752T3 (es) | 2020-01-15 |
DK2819602T3 (da) | 2019-08-05 |
US9649158B2 (en) | 2017-05-16 |
US9216056B2 (en) | 2015-12-22 |
RU2627675C2 (ru) | 2017-08-09 |
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