JP2022120041A - 移植可能な人工心臓弁装置用の拡張可能なフレームおよび弁周囲リーク軽減システム - Google Patents
移植可能な人工心臓弁装置用の拡張可能なフレームおよび弁周囲リーク軽減システム Download PDFInfo
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Abstract
Description
チャンバーズ,ジェフェリー ダブリュ.、ミネソタ州メープルグローブ在住、アメリカ合衆国国民
クルーズ,スティーヴン ディー.、ミネソタ州セントマイケル在住、アメリカ合衆国国民
クマール,サラヴァナ ビー.、ミネソタ州ミネトンカ在住、インド国民
本出願は、「PARAVALVULAR LEAK MITIGATION SYSTEMS AND FEATURES FOR IMPLANTABLE PROSTHETIC MITRAL VALVE DEVICES AND IMPLANTABLE PROSTHETIC TRISCUSPID VALVE DEVICES」と題する、2018年2月12日に出願の米国仮特許出願第62/629,403号明細書の利益を主張するものである。
適用不可
Claims (26)
- 患者の心臓の少なくとも1つの心腔に移植するための折り畳み可能および拡張可能なステントであって、
ステントセルパターン、外面、内面を備え、内部を画定する外側セクションと、
ステントセルパターンを含み、前記外側セクションの内部内に半径方向に上向きに延び、流入端、および流出端を備える弁支持体であって、前記流入端は、前記外側セクション内に半径方向の上向きに延び、前記弁支持体は、前記流入端と流出端との間に流路を画定する内面を備え、前記弁支持体は、前記外側セクションの内部内で全体的に反転される、弁支持体と、
前記弁支持体セクションによって画定された前記流路内に配設された複数の人工弁尖であって、前記流路の前記流入端から前記流出端までの流れを可能にし、前記流路の前記流出端から前記流路の前記流入端までの流れを防止するように構成される、人工弁尖と、
ステントセルパターンを備え、前記外側セクションを前記弁支持体まで移行させるように構成された、折り畳み可能および拡張可能な移行セクションであって、前記弁支持体は、前記外側セクションの内部内に半径方向に上向きに延び、前記移行セクションは、外面と、前記外側セクションによって画定された内部に面する内面とを備える、移行セクションと、
前記ステントに取り付けられた弁周囲漏出軽減システムと
を備える、ステント。 - 前記弁支持体の前記流出端が、前記移行セクションによって少なくとも部分的に画定される、請求項1に記載のステント。
- 前記弁支持体の前記流出端が、前記移行セクションを越えて外向きに延びない、請求項1に記載のステント。
- 前記外側セクション、移行セクション、および前記弁支持体が、一連の途切れのないステントセルを含む、請求項1に記載のステント。
- 前記弁周囲漏出軽減システムが、前記外側セクションの前記外面の少なくとも一部、前記移行セクションの前記外面、および前記弁支持体の前記内面に取り付けられたスカートを備える、請求項1に記載のステント。
- 前記弁周囲漏出軽減システムが、
前記外側セクションの外側の少なくとも一部、前記移行セクションの前記外面、および前記弁支持体の前記内面に取り付けられた材料の第2のスカート
をさらに備える、請求項4に記載のステント。 - 前記弁周囲漏出軽減システムが、
前記外側セクションの前記内面の少なくとも一部、前記移行セクションの前記内面、および前記弁支持体の前記外面に取り付けられた第2のスカート
をさらに備える、請求項4に記載のステント。 - 前記弁周囲漏出軽減システムが、前記外側セクションの前記内面の少なくとも一部、前記移行セクションの前記内面、および前記弁支持体の前記外面に取り付けられたスカートを備える、請求項1に記載のステント。
- 前記弁周囲漏出軽減システムが、
前記外側セクションの外面の少なくとも一部、前記移行セクションの前記外面、および前記弁支持体の前記内面に取り付けられた第2のスカート
をさらに備える、請求項7に記載のステント。 - 前記弁周囲漏出軽減システムが、
前記外側セクションの前記内面の少なくとも一部、前記移行セクションの前記内面、および前記弁支持体の前記外面に取り付けられた第2のスカート
をさらに備える、請求項7に記載のステント。 - 前記弁周囲漏出軽減システムが、
前記ステントの前記外側セクションの半径方向延長部であって、前記外側セクションの前記外面から離れて延び、前記外側セクションを少なくとも部分的に囲む、半径方向延長部
をさらに備える、請求項1に記載のステント。 - 前記半径方向延長部に取り付けられた、布地、組織、メッシュ材料、およびメッシュ材料を含むチューブからなる群の少なくとも1つをさらに備える、請求項11に記載のステント。
- 前記弁周囲漏出軽減システムが、
前記移行セクションの近位の前記外側セクションに取り付けられ、拡張されたときに前記外側セクションの前記外面から離れるように延びる、折り畳み可能および拡張可能なワイヤフレームと、
前記折り畳み可能および拡張可能なワイヤフレームで支持された布地および/または組織と
をさらに備える、請求項1に記載のステント。 - 前記弁周囲漏出軽減システムが、
前記弁支持体と前記外側セクションの前記内面との間を延びる布地または組織を備えるカバー
を備える、請求項1に記載のステント。 - 前記弁支持体と前記外側セクションとの間に取り付けられた折り畳み可能および拡張可能なワイヤフレームであって、前記カバーが、前記折り畳み可能および拡張可能なワイヤフレームによって支持される、ワイヤフレーム
をさらに備える、請求項14に記載のステント。 - 前記カバーと、前記弁支持体と、前記外側セクションの前記内面とによって画定される空間に配設されたメッシュ材料をさらに含む、請求項15に記載のステント。
- 前記弁周囲漏出軽減システムが、前記外側セクションに取り付けられ、前記外側セクションの前記外面を少なくとも部分的に囲む布地または組織を含み、前記布地または組織は、前記ステントが拡張されると拡張するように適合される、請求項1に記載のステント。
- 前記弁周囲漏出軽減システムが、前記外側セクションに取り付けられ、前記外側セクションの前記外面を少なくとも部分的に囲む布地または組織を含み、前記布地または組織は、前記布地または組織が血液に曝されると拡張するように適合される、請求項1に記載のステント。
- 前記拡張された布地または組織が、前記外側セクションから離れて延びる、請求項17に記載のステント。
- 前記拡張された布地または組織が、湾曲している、請求項17に記載のステント。
- 前記拡張された布地または組織が、それ自体に巻き付く、請求項17に記載のステント。
- 前記弁周囲漏出軽減システムが、前記外側セクションに取り付けられ、前記外側セクションの前記外面を少なくとも部分的に囲む拡張可能なメッシュフレームを備え、前記拡張可能なメッシュフレームは、メッシュ材料を封入する、請求項1に記載のステント。
- 前記弁周囲漏出軽減システムが、前記外側セクションに取り付けられ、前記外側セクションの前記外面を少なくとも部分的に囲む拡張可能なメッシュチューブを備え、前記拡張可能なメッシュチューブは、メッシュ材料によって少なくとも部分的に充填される管腔を画定する、請求項1に記載のステント。
- 前記弁周囲漏出軽減システムが、内部を画定し、開状態と閉状態との間で移動可能な少なくとも1つのキャノピ構造を備え、前記キャノピ構造は、前記ステントの前記外側セクションに取り付けられ、開状態と閉状態との間で移動するように適合され、前記キャノピ構造は、逆行性流体の流れまたは圧力差によって前記開状態に駆動される、請求項1に記載のステント。
- 生来の弁尖機能を補足および/または置換するように適合された前記ステントをさらに備える、請求項1に記載のステント。
- 前記ステントが、僧帽弁尖機能、三尖弁尖機能、大動脈弁尖機能、および肺動脈弁機能からなる群の1つまたは複数を補足および/または置換するように適合される、請求項25に記載のステント。
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US16/271,970 | 2019-02-11 | ||
PCT/US2019/017581 WO2019157480A1 (en) | 2018-02-12 | 2019-02-12 | Expandable frames and paravalvular leak mitigation systems for implantable prosthetic heart valve devices |
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