JP2018029967A - 編組ステント用の拡張リング - Google Patents
編組ステント用の拡張リング Download PDFInfo
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Abstract
Description
(1) 編組ステントシステムであって、
複数の編組部材によって形成された内腔を有し、前記複数の編組部材の間に隙間が形成されたステント本体と、
前記ステント本体の前記内腔の内部及び外部表面に機械的に結合された拡張リングであって、前記拡張リングが、前記ステント本体の利用可能な拡張量よりも大きな直径を有する恥記憶構成を備えるフレームを有し、
前記フレームが、外向きに拡張する半径方向力を前記ステント本体に付与し、前記フレームが、連結部において、並びに前記連結部とは反対の第1及び第2の交差部において接合された複数の細長い部材を備える、拡張リングと、
前記交差部から延在させられ、かつ前記フレームを前記内腔の前記内部及び外部表面に摺動可能に固定するように機能することができる少なくとも1つのクリップと、を備え、
前記拡張リングが、フローダイバーターを受け入れるために開いて前記ステント本体を係留するように機能することができる、編組ステントシステム。
(2) 前記クリップが、
整列され、前記第1の交差部から延在させられ、かつ前記第1の交差部とは反対の端部において接合された複数の外部支柱部材であって、前記内腔の前記内部表面に沿って摺動可能である、複数の外部支柱部材と、
前記外部支柱部材間に形成された間隙内に配設された複数の中心支柱部材であって、整列され、前記第2の交差部から延在させられる、複数の中心支柱部材と、を備え、
前記中心支柱部材が、前記内腔の前記外部表面に沿って摺動可能であり、前記第2の交差部とは反対の端部において前記外部支柱部材と連通して細孔内に取り付けられている、実施態様1に記載のシステム。
(3) レーザーカットクリッピングパターンが、前記外部及び中心支柱部材の間に形成される、実施態様2に記載のシステム。
(4) 前記中心支柱部材が、前記外部支柱部材から所定の距離だけ離間配置される、実施態様2に記載のシステム。
(5) 前記中心及び外部支柱部材が、溶接、半田付け、又は糊付けされることによって、前記細孔において取り付けられている、実施態様2に記載のシステム。
整列され、前記第1の交差部から延在させられ、かつ前記第1の交差部とは反対の端部において接合された複数の外部支柱部材と、
前記外部支柱部材間に形成された間隙内に配設された複数の中心支柱部材であって、整列され、前記第2の交差部から延在させられる、複数の中心支柱部材と、を備え、
前記中心支柱部材が、前記内腔の前記外部表面に沿って摺動可能であり、かつ前記中心支柱部材と前記第2の交差部との間に画定された抵抗要素によって内向きに付勢するように機能することができる、実施態様1に記載のシステム。
(7) 前記拡張リングの前記形状記憶構成が、金属合金チューブ構造を含む、実施態様1に記載のシステム。
(8) 前記金属合金がニッケルチタンであり、前記構造がレーザーカットされる、実施態様7に記載のシステム。
(9) 前記形状記憶構成が、開かれた状態において形状記憶位置を有する形状記憶材料から形成される、実施態様7に記載のシステム。
(10) 前記フレームの前記複数の細長い部材が湾曲されて、前記フレームを圧縮に対して抵抗性にし、前記細長い部材が、前記連結部の周りで所定の量だけ捩れ可能である、実施態様1に記載のシステム。
(12) 前記ステント本体が、近位端、遠位端、及びそれらの間に配設された中央部分を含み、
前記第1の拡張リングが、前記ステント本体の前記遠位若しくは近位端上に又はそれに隣接して配設され、前記複数の細長い部材の前記連結部が、それぞれの前記遠位若しくは近位端において又はそれに隣接して接合される、実施態様1に記載のシステム。
(13) 前記ステント本体の前記内腔の内部及び外部表面に機械的に結合された第2の拡張リングであって、前記第2の拡張リングが、前記ステント本体の利用可能な拡張量よりも大きな直径を有する恥記憶構成を備えるフレームを有し、前記第2の拡張リングが、フローダイバーターを受け入れるために開いて前記ステント本体を係留するように機能することができる、第2の拡張リングと、
前記交差部から延在させられ、かつ前記フレームを前記内腔の前記内部及び外部表面に摺動可能に固定するように機能することができる少なくとも1つのクリップと、を更に備え、前記フレームが、連結部において、並びに前記連結部とは反対の第1及び第2の交差部において接合された複数の細長い部材を備える、実施態様12に記載のシステム。
(14) 編組ステント本体を脈管の中に展開させる方法であって、
前記編組ステント本体の内腔と共に複数の拡張リングを組立てることであって、前記編組ステント本体の前記内腔が、複数の編組部材によって形成され、前記複数の編組部材の間に隙間が形成される、組立てることと、
前記編組ステント本体の前記内腔の内部及び外部表面に各拡張リングを選択的に取り付けることであって、各拡張リングが、外向きに拡張する半径方向力を前記編組ステント本体に付与し、それによって前記編組ステント本体の前記内腔を開かれた位置に維持し、
各拡張リングが、連結部において、並びに前記連結部とは反対の第1及び第2の交差部において接合された複数の細長い部材と、前記交差部から延在させられ、かつ前記フレームを前記内腔の前記内部及び外部表面に固定するように機能することができる少なくとも1つのクリップと、を備える、取り付けることと、
前記クリップの複数の外部支柱部材を前記内腔の前記内部表面に摺動可能に取り付けることであって、各外部支柱部材が、整列され、前記第1の交差部から延在させられ、かつ前記第1の交差部とは反対の端部において接合される、取り付けることと、
前記クリップの複数の中心支柱部材を前記内腔の前記外部表面に摺動可能に取り付けることであって、各中心支柱部材が、前記外部支柱部材間に形成された間隙内に配設され、前記中心支柱部材が、整列され、前記第2の交差部から延在させられる、取り付けることと、を含む、方法。
(15) 前記中心及び外部支柱部材を、前記第2及び第1の交差部とは反対の端部において前記支柱部材と連通して細孔内で一緒に取り付けることを更に含む、実施態様14に記載の方法。
(17) 前記クリップの前記第1及び第2の交差部上又はその周りに付勢要素を組み込むことによって、前記中心及び外部支柱部材を一緒に付勢することを更に含む、実施態様14に記載の方法。
(18) 前記外部及び中心支柱部材を所定の距離だけ離間させることを更に含む、実施態様14に記載の方法。
(19) 前記外部及び中心支柱部材の間の細孔において外部アクセス点を形成することを更に含む、実施態様14に記載の方法。
Claims (13)
- 編組ステントシステムであって、
複数の編組部材によって形成された内腔を有し、前記複数の編組部材の間に隙間が形成されたステント本体と、
前記ステント本体の前記内腔の内部及び外部表面に機械的に結合された拡張リングであって、前記拡張リングが、前記ステント本体の利用可能な拡張量よりも大きな直径を有する恥記憶構成を備えるフレームを有し、
前記フレームが、外向きに拡張する半径方向力を前記ステント本体に付与し、前記フレームが、連結部において、並びに前記連結部とは反対の第1及び第2の交差部において接合された複数の細長い部材を備える、拡張リングと、
前記交差部から延在させられ、かつ前記フレームを前記内腔の前記内部及び外部表面に摺動可能に固定するように機能することができる少なくとも1つのクリップと、を備え、
前記拡張リングが、フローダイバーターを受け入れるために開いて前記ステント本体を係留するように機能することができる、編組ステントシステム。 - 前記クリップが、
整列され、前記第1の交差部から延在させられ、かつ前記第1の交差部とは反対の端部において接合された複数の外部支柱部材であって、前記内腔の前記内部表面に沿って摺動可能である、複数の外部支柱部材と、
前記外部支柱部材間に形成された間隙内に配設された複数の中心支柱部材であって、整列され、前記第2の交差部から延在させられる、複数の中心支柱部材と、を備え、
前記中心支柱部材が、前記内腔の前記外部表面に沿って摺動可能であり、前記第2の交差部とは反対の端部において前記外部支柱部材と連通して細孔内に取り付けられている、請求項1に記載のシステム。 - レーザーカットクリッピングパターンが、前記外部及び中心支柱部材の間に形成される、請求項2に記載のシステム。
- 前記中心支柱部材が、前記外部支柱部材から所定の距離だけ離間配置される、請求項2に記載のシステム。
- 前記中心及び外部支柱部材が、溶接、半田付け、又は糊付けされることによって、前記細孔において取り付けられている、請求項2に記載のシステム。
- 前記クリップが、
整列され、前記第1の交差部から延在させられ、かつ前記第1の交差部とは反対の端部において接合された複数の外部支柱部材と、
前記外部支柱部材間に形成された間隙内に配設された複数の中心支柱部材であって、整列され、前記第2の交差部から延在させられる、複数の中心支柱部材と、を備え、
前記中心支柱部材が、前記内腔の前記外部表面に沿って摺動可能であり、かつ前記中心支柱部材と前記第2の交差部との間に画定された抵抗要素によって内向きに付勢するように機能することができる、請求項1に記載のシステム。 - 前記拡張リングの前記形状記憶構成が、金属合金チューブ構造を含む、請求項1に記載のシステム。
- 前記金属合金がニッケルチタンであり、前記構造がレーザーカットされる、請求項7に記載のシステム。
- 前記形状記憶構成が、開かれた状態において形状記憶位置を有する形状記憶材料から形成される、請求項7に記載のシステム。
- 前記フレームの前記複数の細長い部材が湾曲されて、前記フレームを圧縮に対して抵抗性にし、前記細長い部材が、前記連結部の周りで所定の量だけ捩れ可能である、請求項1に記載のシステム。
- 前記複数の細長い部材のうちの少なくとも一対が、V字形、U字形、又は楕円形曲線で形成される、請求項10に記載のシステム。
- 前記ステント本体が、近位端、遠位端、及びそれらの間に配設された中央部分を含み、
前記第1の拡張リングが、前記ステント本体の前記遠位若しくは近位端上に又はそれに隣接して配設され、前記複数の細長い部材の前記連結部が、それぞれの前記遠位若しくは近位端において又はそれに隣接して接合される、請求項1に記載のシステム。 - 前記ステント本体の前記内腔の内部及び外部表面に機械的に結合された第2の拡張リングであって、前記第2の拡張リングが、前記ステント本体の利用可能な拡張量よりも大きな直径を有する恥記憶構成を備えるフレームを有し、前記第2の拡張リングが、フローダイバーターを受け入れるために開いて前記ステント本体を係留するように機能することができる、第2の拡張リングと、
前記交差部から延在させられ、かつ前記フレームを前記内腔の前記内部及び外部表面に摺動可能に固定するように機能することができる少なくとも1つのクリップと、を更に備え、前記フレームが、連結部において、並びに前記連結部とは反対の第1及び第2の交差部において接合された複数の細長い部材を備える、請求項12に記載のシステム。
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