JP7001476B2 - 動脈瘤を治療するための装置 - Google Patents
動脈瘤を治療するための装置 Download PDFInfo
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Description
この出願は2015年2月25日に提出された米国特許出願第62/120,456号の優先権および利益を主張し、その全体が参照によって本願に組み込まれる。
Claims (8)
- 血管の動脈瘤を治療するための装置であって、
チューブの中を進むように構成されるワイヤと、
前記ワイヤの上に配置される閉塞エレメントであって、内部カバーと内部アンカリング部材を含む前記閉塞エレメントと、
を含み、
前記ワイヤは前記内部カバーの第1の表面に結合し、前記内部アンカリング部材は前記内部カバーの前記第1の表面とは反対側の第2の表面に結合し、
前記閉塞エレメントは、前記チューブの中で適合し、前記チューブに対する前記ワイヤの移動に応答して前記チューブの遠位端の開口部から滑り出されるように構成され、
前記内部カバーは前記チューブの前記遠位端から出て動脈瘤の中に進むと展開した構成に広がるように構成され、前記展開した構成では、前記内部カバーの第2の表面は凹面を含み、前記内部カバーは前記動脈瘤の首部分の直径よりも大きい直径を有する周辺部分を含み、前記内部カバーの第1の部分が前記動脈瘤の内部表面に接触し、第2の部分が前記動脈瘤の前記首部分を覆うように構成され、
前記内部アンカリング部材は前記内部カバーの第2の表面から延び、前記動脈瘤の中に配置されると前記動脈瘤の前記内部表面に接触するように構成され、
前記内部カバーと結合する外部アンカリング部材をさらに含み、前記外部アンカリング部材は前記動脈瘤の近傍の前記血管の内部であって前記首部分の血管側に配置されるように構成され、前記外部アンカリング部材の少なくとも一部は前記血管の内部表面と接触する、装置。 - 前記外部アンカリング部材は、前記血管の前記内部表面と係合する前記内部カバーから離れて広がる少なくとも1つの放射状の丸い突出部を含む、請求項1に記載の装置。
- 前記外部アンカリング部材は前記内部カバーの反対側で前記動脈瘤の首領域に位置するように構成される外部カバーを含み、前記外部カバーは前記血管の内部壁と接触する、請求項1に記載の装置。
- 前記外部アンカリング部材は少なくとも1つのループコイルを含み、前記少なくとも1つのループコイルは前記内部カバーと結合し、前記血管の内部壁と接触するように構成され、前記少なくとも1つのループは前記血管を通過する血液の流れに直交する方向に配置される、請求項1に記載の装置。
- 血管の動脈瘤を治療するための装置であって、
チューブの中を進むように構成されるワイヤと、
前記ワイヤの上に配置される閉塞エレメントであって、内部カバーと内部アンカリング部材を含む前記閉塞エレメントと
を含み、
前記ワイヤは前記内部カバーの第1の表面に結合し、前記内部アンカリング部材は前記内部カバーの前記第1の表面とは反対側の第2の表面に結合し、
前記閉塞エレメントは、前記チューブの中で適合し、前記チューブに対する前記ワイヤの移動に応答して前記チューブの遠位端の開口部から滑り出されるように構成され、
前記内部カバーは前記チューブの前記遠位端から出て動脈瘤の中に進むと展開した構成に広がるように構成され、前記展開した構成では、前記内部カバーの第2の表面は凹面を含み、前記内部カバーは前記動脈瘤の首部分の直径よりも大きい直径を有する周辺部分を含み、前記内部カバーの第1の部分が前記動脈瘤の内部表面に接触し、第2の部分が前記動脈瘤の前記首部分を覆うように構成され、
前記内部アンカリング部材は前記内部カバーの第2の表面から延び、前記動脈瘤の中に配置されると前記動脈瘤の前記内部表面に接触するように構成され、
前記内部カバーを支持するように構成されたステントをさらに含む、装置。 - 前記ステントは、前記血管の内部壁を押し付けるように構成される、請求項5に記載の装置。
- 前記ステントは自己拡張可能である、請求項5に記載の装置。
- 前記ステントは前記動脈瘤の首を塞ぐように構成されていない、請求項5に記載の装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2021180211A JP2022028723A (ja) | 2015-02-25 | 2021-11-04 | 動脈瘤を治療するためのシステムおよび方法 |
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