JP2012518465A - 人工心臓弁を折り畳むための装置および方法 - Google Patents
人工心臓弁を折り畳むための装置および方法 Download PDFInfo
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Abstract
Description
本出願は、2009年2月20日に出願された米国仮特許出願第61/208,101号の出願日の利得を主張するものであり、その開示内容は、参照することによって、ここに含まれるものとする。
本発明は、人工心臓弁置換に関し、さらに詳細には、人工心臓弁を折り畳むための装置、システム、および方法に関する。
Claims (26)
- 複数のセル開口を伴うステントフレームを有する折畳み可能な人工弁と共に用いられる収縮ツールであって、
ハンドルと、
前記ハンドルに結合された複数の弾性枝部と、を備え、
前記複数の枝部は、長軸の周りに配列され、前記配列は、拡張状態における第1の断面寸法と、折畳み状態における前記第1の断面寸法よりも小さい第2の断面寸法とを有しており、前記複数の枝部は、前記人工弁への前記収縮ツールの組付け位置において前記複数のセル開口を横切るように適合されている、収縮ツール。 - 前記複数の枝部の各々は、第1の部分を有しており、前記複数の枝部の各々の前記第1の部分は、前記拡張状態および前記折畳み状態のいずれにおいても、前記長軸に対して実質的に平行に延在している、請求項1に記載の収縮ツール。
- 前記複数の枝部の各々は、前記第1の部分と前記ハンドルとの間に配置された第2の部分を有しており、前記第2の部分の各々は、前記拡張状態において、前記長軸を横切る角度で延在している、請求項2に記載の収縮ツール。
- 前記第2の部分の各々は、前記折畳み状態において、前記長軸を横切る角度で延在している、請求項3に記載の収縮ツール。
- 前記複数の枝部の各々は、前記拡張状態に付勢されており、半径方向内方への力が前記複数の枝部に加えられたときに、前記折畳み状態に移動するようになっている、請求項1に記載の収縮ツール。
- 前記配列が前記拡張状態にある第1の位置と前記配列が前記折畳み状態にある第2の位置との間で前記複数の枝部に対して摺動可能なリングをさらに備え、前記第1の位置から前記第2の位置への前記リングの移動によって、半径方向内方の力が前記複数の枝部に加えられるように構成されている、請求項1に記載の収縮ツール。
- 前記複数の枝部は、複数の枝部対を含み、各枝部対における前記枝部間の距離は、互いに隣接する枝部対間の距離よりも小さい、請求項1に記載の収縮ツール。
- 前記複数の枝部は、前記長軸の周りに環状に配列されている、請求項1に記載の収縮ツール。
- 人工心臓弁置換用システムであって、
複数のセル開口を伴うステントフレームを有する折畳み可能な人工弁と、
収縮ツールと、を備え、
前記収縮ツールは、
ハンドルと、
前記ハンドルに結合された複数の弾性枝部と、を含み、
前記複数の枝部は、長軸の周りに配列され、前記配列は、拡張状態における第1の断面寸法と、折畳み状態における前記第1の断面寸法よりも小さい第2の断面寸法とを有しており、前記複数の枝部は、前記人工弁への前記収縮ツールの組付け位置において前記複数のセル開口を横切るように適合されている、システム。 - 前記複数の枝部の各々は、第1の部分を有しており、前記複数の枝部の各々の前記第1の部分は、前記拡張状態および前記折畳み状態のいずれにおいても、前記長軸に対して実質的に平行に延在している、請求項9に記載のシステム。
- 前記複数の枝部の各々は、前記第1の部分と前記ハンドルとの間に配置された第2の部分を有しており、前記第2の部分の各々は、前記拡張状態において、前記長軸を横切る角度で延在している、請求項10に記載のシステム。
- 前記第2の部分の各々は、前記折畳み状態において、前記長軸を横切る角度で延在している、請求項11に記載のシステム。
- 前記複数の枝部の各々は、前記拡張状態に付勢されており、半径方向内方への力が前記複数の枝部に加えられたときに、前記折畳み状態に移動するようになっている、請求項9に記載のシステム。
- 前記配列が前記拡張状態にある第1の位置と前記配列が前記折畳み状態にある第2の位置との間で前記複数の枝部に対して摺動可能なリングをさらに備え、前記第1の位置から前記第2の位置への前記リングの移動によって、半径方向内方の力が前記複数の枝部に加えられるように構成されている、請求項9に記載のシステム。
- 前記複数の枝部は、複数の枝部対を含み、各枝部対における前記枝部間の距離は、互いに隣接する枝部対間の距離よりも小さい、請求項9に記載のシステム。
- 前記複数の枝部は、前記長軸の周りに環状に配列されている、請求項9に記載のシステム。
- 前記複数のセル開口の少なくともいくつかは、頂点を有しており、前記複数の枝部の少なくともいくつかは、前記組付け位置において、前記セル開口の前記頂点を横切るように適合されている、請求項9に記載のシステム。
- 前記組付け位置において、前記セル開口の各々は、前記枝部によって、第1の区域と第2の区域とに分割されている、請求項9に記載のシステム。
- 前記人工心臓弁は、前記ステントフレーム内に配置された弁構造体をさらに備え、前記複数の枝部は、前記組付け位置において、前記弁構造体と前記ステントフレームとの間に配置されるようになっている、請求項9に記載のシステム。
- 複数のセル開口を有するステントフレームと、前記ステントフレーム内に配置された弁構造体と、を有する人工心臓弁を折り畳むための方法であって、
拡張状態における第1の断面寸法と、折畳み状態における前記第1の断面寸法よりも小さい第2の断面寸法とを有するように配列された複数の枝部を備えた収縮ツールを準備するステップと、
前記複数の枝部が、前記セル開口を第1の区域と第2の区域とに分割すべく前記セル開口を横切るように、前記収縮ツールを前記人工心臓弁に組付けるステップと、
前記収縮ツールが前記人工心臓弁に組付けられた状態で前記人工心臓弁を折り畳むために、半径方向内方の力を前記人工心臓弁に加えるステップと、
を含む、方法。 - 半径方向内方の力を加える前記ステップによって、前記複数の枝部が前記拡張状態から前記折畳み状態に移動するようになっている、請求項20に記載の方法。
- 前記収縮ツールを前記人工心臓弁から離脱させるステップをさらに含む、請求項20に記載の方法。
- 半径方向内方の力を前記人工心臓弁に加える前記ステップは、前記複数の枝部を前記拡張状態から前記折り畳み状態に移動させるように、リングを前記配列に沿って前進させることを含む、請求項20に記載の方法。
- 前記複数のセル開口の少なくともいくつかは頂点を有しており、前記組付けるステップは、前記複数の枝部の少なくともいくつかが前記頂点を横切るように、前記収縮ツールを前記人工心臓弁に組付けることを含む、請求項23に記載の方法。
- 前記組付けるステップは、前記複数の枝部を前記弁構造体と前記ステントフレームとの間に挿入することをさらに含む、請求項20に記載の方法。
- 前記組付けるステップは、前記複数の枝部を前記ステントフレームの外側の周囲に配置することをさらに含む、請求項20に記載の方法。
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PCT/US2010/000475 WO2010096176A1 (en) | 2009-02-20 | 2010-02-19 | Devices and methods for collapsing prosthetic heart valves |
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- 2010-02-19 AU AU2010216373A patent/AU2010216373B2/en not_active Ceased
- 2010-02-19 EP EP10707145.8A patent/EP2398421B1/en not_active Not-in-force
- 2010-02-19 US US13/202,392 patent/US9265607B2/en active Active
- 2010-02-19 BR BRPI1013346A patent/BRPI1013346A2/pt not_active Application Discontinuation
- 2010-02-19 JP JP2011551064A patent/JP5739823B2/ja not_active Expired - Fee Related
- 2010-02-19 ES ES10707145.8T patent/ES2644852T3/es active Active
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2011
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2015
- 2015-11-24 US US14/950,427 patent/US10080658B2/en active Active
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Publication number | Priority date | Publication date | Assignee | Title |
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JP2020000892A (ja) * | 2013-05-30 | 2020-01-09 | テンダイン ホールディングス,インコーポレイテッド | 人工僧帽弁用の構造部材 |
US11617645B2 (en) | 2013-05-30 | 2023-04-04 | Tendyne Holdings, Inc. | Structural members for prosthetic mitral valves |
US11648110B2 (en) | 2019-12-05 | 2023-05-16 | Tendyne Holdings, Inc. | Braided anchor for mitral valve |
US11648114B2 (en) | 2019-12-20 | 2023-05-16 | Tendyne Holdings, Inc. | Distally loaded sheath and loading funnel |
US11951002B2 (en) | 2020-03-30 | 2024-04-09 | Tendyne Holdings, Inc. | Apparatus and methods for valve and tether fixation |
Also Published As
Publication number | Publication date |
---|---|
EP2398421B1 (en) | 2017-09-27 |
AU2010216373A1 (en) | 2011-09-01 |
AU2010216373B2 (en) | 2015-04-30 |
CR20110444A (es) | 2011-09-21 |
BRPI1013346A2 (pt) | 2016-03-29 |
WO2010096176A1 (en) | 2010-08-26 |
US20160074158A1 (en) | 2016-03-17 |
EP2398421A1 (en) | 2011-12-28 |
US20110301703A1 (en) | 2011-12-08 |
ES2644852T3 (es) | 2017-11-30 |
JP5739823B2 (ja) | 2015-06-24 |
US9265607B2 (en) | 2016-02-23 |
US10080658B2 (en) | 2018-09-25 |
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