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18 条记录 (耗时 0.038 秒)

    Percutaneous anti-migration vena cava filter
    1.
    发明授权
    Percutaneous anti-migration vena cava filter 失效
    经皮反流式静脉滤器

    公开(公告)号：US5059205A

    公开(公告)日：1991-10-22

    申请号：US404166

    申请日：1989-09-07

    申请人： Fozan O. El-Nounou ,  Michael A. Savin ,  Ronald A. Sahatjian ,  Michael Weinreich ,  Thomas F. Kordis

    发明人： Fozan O. El-Nounou ,  Michael A. Savin ,  Ronald A. Sahatjian ,  Michael Weinreich ,  Thomas F. Kordis

    IPC分类号： A61F2/01 ,  A61F2/06

    CPC分类号： A61F2/01 ,  A61F2002/016 ,  A61F2002/8486 ,  A61F2230/005 ,  A61F2230/0067

    摘要： A filter device positionable within a blood vessel for trapping blood clots in that vessel, the filter device comprising a head with a plurality of divergent legs each secured at its proximal end, to the head, each leg having a hook arranged at its distal end. The distal end includes a reversely bent portion of the leg which itself is bent radially outwardly, ending in the shape of a sharp point. The reversely bent portion of the leg comprises a pad to minimize the depth of penetration of the hook.A further embodiment of the leg shows a radially outwardly directed radius of curvature to create a conical configuration to the filter assembly, while distributing the stress concentration along the length of the bend, so that the elastic limit of the material, stainless steel in this embodiment, is not exceeded, and which permits compact delivery of the filter, and adequate radially directed force to permit slight hook penetration of a vessel wall.

    摘要翻译： 一种位于血管内的过滤器装置，用于捕获血管内的血块，该过滤装置包括头部，该头部具有多个分支腿，每个头部在其近端固定到头部，每个腿部具有设置在其远端的钩。 远端包括腿的反向弯曲部分，其本身被径向向外弯曲，以尖锐的形状终止。 腿的反向弯曲部分包括垫，以最小化钩的穿透深度。 腿的另一实施例示出了径向向外指向的曲率半径，以在沿着弯曲部分的长度分布应力集中的同时向过滤器组件产生锥形结构，使得在该实施例中的不锈钢材料的弹性极限 ，并且其允许过滤器的紧密输送以及足够的径向力以允许容器壁的轻微的钩子穿透。

    Percutaneous anti-migration vena cava filter
    2.
    发明授权
    Percutaneous anti-migration vena cava filter 失效
    经皮反流式静脉滤器

    公开(公告)号：US5242462A

    公开(公告)日：1993-09-07

    申请号：US777977

    申请日：1991-10-17

    申请人： Fozan O. El-Nounou ,  Michael A. Savin ,  Ronald A. Sahatjian ,  Michael Weinreich ,  Thomas F. Kordis

    发明人： Fozan O. El-Nounou ,  Michael A. Savin ,  Ronald A. Sahatjian ,  Michael Weinreich ,  Thomas F. Kordis

    IPC分类号： A61F2/01 ,  A61F2/06

    CPC分类号： A61F2/01 ,  A61F2002/016 ,  A61F2002/8486 ,  A61F2230/005 ,  A61F2230/0067

    摘要： A filter device positionable within a blood vessel for trapping blood clots in that vessel, the filter device comprising a head with a plurality of divergent legs each secured at its proximal end, to the head, each leg having a hook arranged at its distal end.Each leg has a radially outwardly directed radius of curvature to create a conical configuration to the filter assembly, while distributing the stress concentration along the length of the bend, so that the elastic limit of the material, stainless steel in this embodiment, is not exceeded, and which permits compact delivery of the filter, and adequate radially directed force to permit slight hook penetration of a vessel wall.

    摘要翻译： 一种位于血管内的过滤器装置，用于捕获血管内的血块，该过滤装置包括头部，该头部具有多个分支腿，每个头部在其近端固定到头部，每个腿部具有设置在其远端的钩。 每个支腿具有径向向外指向的曲率半径，以在沿弯曲部分的长度分布应力集中的同时向过滤器组件产生锥形结构，使得不超过本实施例中不锈钢材料的弹性极限 ，并且其允许过滤器的紧密输送和足够的径向力以允许容器壁的轻微的钩子穿透。