JP2023529720A - Y字型分岐点分流装置の製造方法及びy字型分岐点分流システムの展開方法 - Google Patents
Y字型分岐点分流装置の製造方法及びy字型分岐点分流システムの展開方法 Download PDFInfo
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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Abstract
Description
Claims (21)
- 第1の管状分流装置の遠位端部から所定の距離で、前記第1の管状分流装置に第1の孔を切り込むステップであって、前記第1の管状分流装置が複数の編組ワイヤを備える、ステップと、
第2の管状分流装置を内腔に挿入し、前記第1の管状分流装置の前記第1の孔から出すステップであって、前記第2の管状分流装置が複数の編組ワイヤを備える、ステップと、
前記第2の管状分流装置に第2の孔を切り込むステップであって、前記第2の管状分流装置の前記第2の孔が、前記第1の管状分流装置の遠位部分の前記内腔と一致する、ステップと、を含む、分流装置の製造方法。
方法。 - 前記分流装置が、近位肢と2本の遠位肢とを備えて実質的にY字型を形成する、請求項1に記載の方法。
- 前記分流装置が、近位肢と2本の遠位肢とを備えて実質的にT字型を形成する、請求項1に記載の方法。
- 前記分流装置の前記近位肢が2層の編組ワイヤを備え、前記2本の遠位肢が単層の編組ワイヤを備える、請求項2に記載の方法。
- 前記第1の管状分流装置及び前記第2の管状分流装置のための前記複数の編組ワイヤの数が、40本から80本の間である、請求項1に記載の方法。
- 前記第1の管状分流装置及び前記第2の管状分流装置のための前記複数の編組ワイヤの4本のワイヤごとに、放射線不透過性材料から作製される、請求項1に記載の方法。
- 前記2本の遠位肢が収束する位置に放射線不透過性マーカーを置くステップをさらに含む、請求項4に記載の方法。
- 前記第1の管状分流装置及び前記第2の管状分流装置に前記孔を切り込むことによって作られたワイヤの自由端部を互いに溶接するステップをさらに含む、請求項1に記載の方法。
- ガイドカテーテルと、
前記ガイドカテーテル内に配置された2本の内部カテーテルと、
前記ガイドカテーテル内に拘束構成で配置された拡張可能なY字型分流装置と、を備える、Y字型分流装置を展開するシステムであって、
前記Y字型分流装置が、複数のワイヤ要素を備えるワイヤステントフレームを備え、
前記ワイヤステントが、近位肢と2本の遠位肢とを備え、
前記近位肢と前記2本の遠位肢が、前記ワイヤステントフレームのクロッチで収束し、
前記2本の内部カテーテルは、拘束された前記近位肢内に配置され、
前記2本の内部カテーテルは、それぞれ前記2本の遠位肢のうちの一方に配置される、システム。 - フードのペアをさらに備え、
前記フードの各一方が前記Y字型分流装置の前記2本の遠位肢のうちの一方の対応する遠位端部の周りに配置されて、前記Y字型分流装置の前記遠位肢を拘束する、請求項9に記載のシステム。 - 各フードが、複数の長手方向の穿孔のラインを備え、
前記複数の長手方向の穿孔のラインが、前記Y字型分流装置の各遠位肢の各遠位端部で膨張バルーンが膨張するときに、前記2本の遠位肢の各々の前記遠位端部を分割及び解放するように構成される、請求項10に記載のシステム。 - フラップのペアをさらに備え、
前記フラップの各一方が前記Y字型分流装置の前記2本の遠位肢のうちの一方の対応する遠位端部の周りに配置されて、前記Y字型分流装置の前記遠位肢を拘束する、請求項9に記載のシステム。 - 各フラップが、対応する内部カテーテルの遠位端部に結合されている、請求項12に記載のシステム。
- ワイヤのペアをさらに備え、
前記ワイヤの各一方が前記Y字型分流装置の前記2本の遠位肢の対応する遠位肢の周囲に巻き付けられて、前記Y字型分流装置の前記2本の遠位肢を拘束する、請求項9に記載のシステム。 - 前記ワイヤの近位端部が前記2本の内部カテーテルのうちの一方内に配置され、
前記ワイヤの遠位端部が、前記内部カテーテルの開口部及び対応する遠位肢の隙間を通って出て、
前記Y字型分流装置の前記対応する遠位肢に巻き付いている、請求項14に記載のシステム。 - 各ワイヤが、8回から20回の間で前記Y字型分流装置の前記対応する遠位肢に巻き付いている、請求項14に記載のシステム。
- 前記ワイヤのペアがニチノールで作られている、請求項14に記載のシステム。
- 前記ガイドカテーテル内に配置されるプッシャーカテーテルをさらに備え、
前記2本の内部カテーテルの近位端部が前記プッシャーカテーテルに結合されている、請求項9に記載のシステム。 - プッシャーカテーテルの遠位端部が、前記Y字型分流装置の前記近位肢の近位端部の周りに配置されたカフを備える、請求項9に記載のシステム。
- 前記Y字型分流装置が、単層の編組されたワイヤ要素による一体形成である、請求項9に記載のシステム。
- 前記分流装置の前記近位肢が2層の編組ワイヤ要素を備え、前記2本の遠位肢が単層の編組ワイヤ要素を備える、請求項9に記載のシステム。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US202063036711P | 2020-06-09 | 2020-06-09 | |
| US63/036,711 | 2020-06-09 | ||
| PCT/US2021/036468 WO2021252529A1 (en) | 2020-06-09 | 2021-06-08 | Methods of manufacturing a y-shaped branch point flow diversion device and methods of deploying a y-shaped branch point flow diversion system |
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| US20240189091A1 (en) | 2024-06-13 |
| US11850142B2 (en) | 2023-12-26 |
| EP4161438A4 (en) | 2024-10-02 |
| US20210378813A1 (en) | 2021-12-09 |
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