JP6131441B2 - 分岐血管接続用可動外部結合部 - Google Patents
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- Transplantation (AREA)
- Heart & Thoracic Surgery (AREA)
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Description
Claims (16)
- 血管内プロテーゼであって、
近位端と、遠位端と、前記近位端と前記遠位端との間に配置された本体内腔とを有する管状体であって、本体移植片材料と、前記本体移植片材料に結合された複数のステントとを有する管状体と、
前記管状体から外方に延びる可動外部結合部であって、前記管状体に結合された基部と前記管状体から離間した頂部と前記基部と前記頂部との間に配置された結合部内腔とを有し、前記結合部内腔は前記本体内腔と流動連通状態にあり、結合部移植片材料を有している可動外部結合部と、
前記可動外部結合部に取付けられ、その周りで延びる環状支持ワイヤフォームであって、複数の対向する第1のクラウンおよび第2のクラウンを有する正弦波構成に形成され、前記支持ワイヤフォームの前記第1のクラウンは、前記可動外部結合部の前記頂部の周りに延び、前記結合部移植片材料が前記支持ワイヤフォームの前記第2のクラウンの間で延び、前記管状体が支持されない環状支持ワイヤフォームと、を備えており、
前記第1のクラウンは第1の直径を有する円をなして配列され、前記第2のクラウンは前記第1の直径よりも大きい第2の直径を有する円をなして配列され、
前記支持ワイヤフォームは、略円錐台形状である、
ことを特徴とする血管内プロテーゼ。 - 前記支持ワイヤフォームは、形状記憶材料から形成される、
請求項1に記載のプロテーゼ。 - 前記支持ワイヤフォームの高さは、前記可動外部結合部の高さの25%〜33%である、
請求項1に記載のプロテーゼ。 - 前記支持ワイヤフォームの高さは、前記可動外部結合部の高さの34%〜99%である、
請求項1に記載のプロテーゼ。 - 前記支持ワイヤフォームは、縫合を介して前記可動外部結合部に取付けられている、
請求項1に記載のプロテーゼ。 - 前記縫合は、連続的な様態で、前記支持ワイヤフォームの全長にわたって延びる、
請求項5に記載のプロテーゼ。 - 前記縫合は、間欠的な様態で、前記支持ワイヤフォームの前記第1および第2のクラウンのみに沿って延びる、
請求項5に記載のプロテーゼ。 - 頂部リングが、前記可動外部結合部の前記頂部に配置され、前記支持ワイヤフォームの前記第1のクラウンが、前記頂部リングに直接結合される、
請求項1に記載のプロテーゼ。 - 前記可動外部結合部は、前記基部と前記頂部との間にしわをもたらす余剰の結合部移植片材料を含む、
請求項1に記載のプロテーゼ。 - プロテーゼアセンブリであって、
主血管内に設置するために構成される主プロテーゼであって、管状体と可動外部結合部とを含み、前記管状体は、近位端と遠位端と前記近位端と遠位端との間に配置される本体内腔と本体移植片材料とを有し、前記可動外部結合部は、前記管状体から外方に延び、前記可動外部結合部は、結合部移植片材料を含み、かつ前記本体内腔と流動連通状態にある結合部内腔を含み、
前記可動外部結合部は、前記管状体に結合される基部と、前記管状体から離間した頂部と、前記可動外部結合部に取付けられ、その周りで延びる環状支持ワイヤフォームとを含み、前記環状支持ワイヤフォームは、複数の対向する第1のクラウンおよび第2のクラウンを有する正弦波構成に形成され、前記支持ワイヤフォームの前記第1のクラウンは、前記可動外部結合部の前記頂部の周りで延び、前記結合部移植片材料は、前記支持ワイヤフォームの前記第2のクラウンの間で延び、前記管状体は支持されない、主プロテーゼと、 前記主血管から延びる分岐血管内に設置するために構成される分岐血管プロテーゼであって、前記分岐血管プロテーゼの一部の外面が、前記可動外部結合部の一部の内面と接触するように拡張式であり、前記支持ワイヤフォームは、前記分岐血管プロテーゼと前記可動外部結合部との間の密閉を作り出す、分岐血管プロテーゼと、を備え、
前記第1のクラウンは第1の直径を有する円をなして配列され、前記第2のクラウンは前記第1の直径よりも大きい第2の直径を有する円をなして配列され、
前記支持ワイヤフォームは、略円錐台形状であることを特徴とする、
プロテーゼアセンブリ。 - 前記支持ワイヤフォームの展開された直径は、前記分岐血管プロテーゼの展開された直径より小さい、
請求項10に記載のプロテーゼアセンブリ。 - 前記支持ワイヤフォームの前記展開された直径は、前記分岐血管プロテーゼの前記展開された直径より最大30%小さい、
請求項11に記載のプロテーゼアセンブリ。 - 前記支持ワイヤフォームの高さは、前記可動外部結合部の高さの25%〜33%である、
請求項10に記載のプロテーゼアセンブリ。 - 前記支持ワイヤフォームの高さは、前記可動外部結合部の高さの34%〜99%である、
請求項10に記載のプロテーゼアセンブリ。 - 頂部リングが、前記可動外部結合部の前記頂部に配置され、前記支持ワイヤフォームの前記第1のクラウンが、前記頂部リングに直接結合される、
請求項10に記載のプロテーゼアセンブリ。 - 前記可動外部結合部は、前記基部と前記頂部との間にしわをもたらす余剰の結合部移植片材料を含む、
請求項10に記載のプロテーゼアセンブリ。
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US13/089,545 US9839542B2 (en) | 2011-04-19 | 2011-04-19 | Mobile external coupling for branch vessel connection |
PCT/US2012/033523 WO2012145240A1 (en) | 2011-04-19 | 2012-04-13 | Mobile external coupling for branch vessel connection |
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