ENDOLUMINAL STENT HAVING A MATCHED STIFFNESS REGION AND/OR A STIFFNESS GRADIENT
    1.
    发明申请
    ENDOLUMINAL STENT HAVING A MATCHED STIFFNESS REGION AND/OR A STIFFNESS GRADIENT 有权
    具有匹配刚度区域和/或强度梯度的内支架

    公开(公告)号:US20070185563A1

    公开(公告)日:2007-08-09

    申请号:US11735180

    申请日:2007-04-13

    IPC分类号: A61F2/06

    摘要: A modular elongated stent having an overlap region where two modular components fit together, the overlap region being relatively stiff as compared to another more flexible region of the stent when the stent is in an assembled configuration, the stent further comprising a mimic region that has a stiffness essentially equivalent to the stiffness of the overlap region, to provide kink resistance. A stent having such a mimic region or otherwise stiff region and a flexible region may have a transition region between the stiff and flexible regions, also to provide kink resistance. A stent may have relatively stiff regions and relatively flexible regions positioned to align the flexible regions with curved regions of a body lumen when deployed within the body lumen. The stiffness of the stiff, flexible, and transition regions may be controlled by varying the cross-sectional area of the stent components and/or by varying the stent architecture.

    摘要翻译: 一种模块化细长支架,其具有两个模块化部件装配在一起的重叠区域,当所述支架处于组装构型时,所述重叠区域与所述支架的另一更柔性区域相比是相对刚性的,所述支架还包括模具区域, 刚度基本上等于重叠区域的刚度,以提供扭结阻力。 具有这种模拟区域或其他刚性区域和柔性区域的支架可以在刚性区域和柔性区域之间具有过渡区域,也提供扭结阻力。 支架可以具有相对刚性的区域和相对柔性的区域,其定位成当部署在体腔内时将柔性区域与体腔的弯曲区域对准。 可以通过改变支架部件的横截面面积和/或通过改变支架结构来控制刚性,柔性和过渡区域的刚度。

    Delivery system for endoluminal implant
    2.
    发明申请
    Delivery system for endoluminal implant 失效
    腔内植入物的输送系统

    公开(公告)号:US20050131514A1

    公开(公告)日:2005-06-16

    申请号:US11049387

    申请日:2005-02-02

    IPC分类号: A61F2/82 A61F2/06 A61F2/84

    摘要: A delivery system for delivering an endoluminal implant to a distal deployment location inside a body lumen from a proximal access location outside the lumen. The system comprises the implant, a catheter, and a slidable sheath having an advanced position in which the sheath covers the implant and a retracted position in which the implant is exposed. The catheter comprises a stabilizer having a distal end adjacent the implant proximal end and/or a catheter tip attached to a central core slideably disposed relative to the implant and having a proximal end adjacent the implant distal end. The catheter tip proximal end and/or the stabilizer distal end comprises a docking section adapted to releasably engage a portion of the implant. Each docking section has an engagement geometry comprising a flared engagement surface that extends inside a short axial length of the implant or a pocket having a bottleneck geometry.

    摘要翻译: 一种输送系统,用于将内腔植入物从腔内的近侧进入位置输送到体腔内的远侧展开位置。 该系统包括植入物,导管和具有先进位置的可滑动鞘,其中护套覆盖植入物和植入物暴露在其中的缩回位置。 导管包括具有邻近植入物近端的远端和/或连接到可相对于植入物可滑动地设置并具有与植入物远端相邻的近端的中心芯的导管末端的稳定器。 导管尖端近端和/或稳定器远端包括适于可释放地接合植入物的一部分的对接部分。 每个对接部分具有接合几何形状,其包括在植入物的短轴向长度内延伸的扩张接合表面或具有瓶颈几何形状的口袋。