KR20200074974A - 비외상성 스페이서를 구비한 스텐트 - Google Patents
비외상성 스페이서를 구비한 스텐트 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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- 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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- 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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- 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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- A—HUMAN NECESSITIES
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Abstract
Description
도 1은 낭종벽에 인접하게 배치된 종래 기술의 스텐트의 측면도;
도 2는 낭종벽에 인접한 본 개시내용의 실시형태에 따라서 중공의 관형 스텐트의 측면도;
도 3은 도 2의 스텐트의 단부도;
도 4는 본 개시내용의 또 다른 실시형태에 따른 스텐트의 단부도;
도 5는 조직 구조에 위치된 도 2의 스텐트의 단부의 사시도;
도 6a 및 도 6b는 표적 조직 구조에 이식된 개시내용의 또 다른 실시형태에 따른 스텐트의 측면 부분 단면도;
도 7은 본 개시내용의 추가의 실시형태에 따른 스텐트의 측면도;
도 8은 조직 구조에서의 도 7의 스텐트의 단부의 사시도; 및
도 9는 본 개시내용의 또 다른 실시형태에 따른 스텐트의 측면도.
본 개시내용은 다양한 변형 및 대안적인 형태로 다룰 수 있지만, 이의 세부사항은 도면에 예로써 도시되었고 상세히 설명될 것이다. 그러나, 기재된 특정 실시형태로 본 발명을 제한하도록 의도되지 않음이 이해되어야 한다. 그와는 반대로, 본 개시내용의 정신과 범위 내에 들어가는 모든 변형, 등가물 및 대안을 커버하도록 의도된다.
Claims (15)
- 스텐트로서,
하나 이상의 교차직조된 와이어(interwoven wire)로 형성된 관형 본체로서, 대향하는 제1 및 제2 개방 단부 및 상기 제1 개방 단부와 제2 개방 단부 사이에서 연장되는 루멘(lumen)을 구비하는, 상기 관형 본체;
상기 제1 개방 단부에 인접하게 배치된 제1 앵커 부재(anchor member) 및 상기 제2 개방 단부에 인접하게 배치된 제2 앵커 부재로서, 상기 제1 및 제2 앵커 부재는 각각 상기 관형 본체로부터 방사상으로 바깥쪽으로 연장되고, 상기 제1 및 제2 앵커 부재는 각각 상기 제1 앵커 부재와 상기 제2 앵커 부재 사이에 배치된 상기 관형 본체의 외경(outer diameter)보다 큰 외경을 갖는, 상기 제1 및 제2 앵커 부재; 및
상기 제1 개방 단부 둘레에 배치되고 상기 제1 개방 단부를 넘어 길이방향으로 연장되는 복수의 스페이서 부재로서, 상기 스페이서 부재에 견인력(pulling force)이 인가된 경우, 상기 관형 본체의 상기 외경은 저감되지 않는, 상기 복수의 스페이서 부재를 포함하는, 스텐트. - 제1항에 있어서, 각각의 스페이서 부재는 상기 제2 개방 단부를 향하여 상기 관형 본체의 일부를 따라서 연장되는 제1 및 제2 레그(leg)를 갖는, 스텐트.
- 제1항 또는 제2항에 있어서, 상기 스페이서 부재는 상기 관형 본체의 상기 외경을 넘어 방사상 바깥쪽으로 연장되는, 스텐트.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 각각의 스페이서 부재는 단일 와이어 루프로 형성되는, 스텐트.
- 제1항 내지 제4항 중 어느 한 항에 있어서, 상기 스페이서 부재는 상기 관형 본체로부터 개별적으로 형성되고 상기 관형 본체의 내벽에 부착되는, 스텐트.
- 제1항 내지 제4항 중 어느 한 항에 있어서, 상기 스페이서 부재는 상기 관형 본체와 교차직조되는, 스텐트.
- 제1항 내지 제6항 중 어느 한 항에 있어서, 상기 스페이서 부재는 상기 관형 본체보다 덜 유연한, 스텐트.
- 제1항 내지 제7항 중 어느 한 항에 있어서, 상기 복수의 스페이서 부재는 제1 길이를 갖는 스페이서 부재의 제1 그룹 및 상기 제1 길이보다 짧은 제2 길이를 갖는 스페이서 부재의 제2 그룹을 포함하는, 스텐트.
- 제8항에 있어서, 상기 스페이서 부재의 제1 그룹은 상기 스페이서 부재의 제2 그룹보다 더 유연한, 스텐트.
- 제1항 내지 제9항 중 어느 한 항에 있어서, 상기 관형 본체, 상기 제1 및 제2 앵커 부재, 및 상기 복수의 스페이서 부재의 전체에 걸쳐서 연장되는 커버(covering)를 더 포함하는, 스텐트.
- 제1항 내지 제10항 중 어느 한 항에 있어서, 적어도 하나의 스페이서 부재는 그의 길이를 따라서 가변적 유연성을 갖는, 스텐트.
- 제11항에 있어서, 상기 적어도 하나의 스페이서 부재는 상기 관형 본체에 인접한 제1 영역에서 제1 두께를 그리고 상기 관형 본체로부터 가장 멀리 떨어져서 배치된 제2 영역에서 제2 두께를 갖는 테이퍼 형상 와이어(tapered wire)로 형성되는, 스텐트.
- 제12항에 있어서, 상기 제2 두께는 상기 제1 두께보다 작아, 상기 제2 영역에서 더 큰 유연성을 초래하는, 스텐트.
- 제1항 내지 제13항 중 어느 한 항에 있어서, 상기 관형 본체는 상기 제1 개방 단부와 상기 제2 개방 단부 사이에 연장되는 길이방향 축을 획정하고 상기 제1 및 제2 앵커 부재는 상기 길이방향 축에 수직으로 연장되는, 스텐트.
- 제1항 내지 제14항 중 어느 한 항에 있어서, 상기 제2 개방 단부에 배치된 회수 요소(retrieval element)를 더 포함하는, 스텐트.
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| EP3700474A1 (en) | 2020-09-02 |
| CA3079094A1 (en) | 2019-05-02 |
| US11304795B2 (en) | 2022-04-19 |
| JP2025032367A (ja) | 2025-03-11 |
| KR102614314B1 (ko) | 2023-12-14 |
| JP7324267B2 (ja) | 2023-08-09 |
| CN111356420A (zh) | 2020-06-30 |
| EP4238539A3 (en) | 2023-10-18 |
| KR102436996B1 (ko) | 2022-08-26 |
| US20250161017A1 (en) | 2025-05-22 |
| CN115006052A (zh) | 2022-09-06 |
| CN111356420B (zh) | 2022-07-08 |
| KR20220123320A (ko) | 2022-09-06 |
| US20240341944A1 (en) | 2024-10-17 |
| JP2023134841A (ja) | 2023-09-27 |
| JP2021500181A (ja) | 2021-01-07 |
| WO2019084136A1 (en) | 2019-05-02 |
| EP3700474B1 (en) | 2023-08-23 |
| JP7608536B2 (ja) | 2025-01-06 |
| US12064333B2 (en) | 2024-08-20 |
| US20220218461A1 (en) | 2022-07-14 |
| EP4238539A2 (en) | 2023-09-06 |
| CA3079094C (en) | 2022-07-12 |
| JP2022019920A (ja) | 2022-01-27 |
| JP6989698B2 (ja) | 2022-01-05 |
| US20190117370A1 (en) | 2019-04-25 |
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