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    • 2. 发明授权
    • Torque sleeve
    • 扭矩套
    • US09226839B1
    • 2016-01-05
    • US14186561
    • 2014-02-21
    • W. L. Gore & Associates, Inc.
    • Thomas E. KariniemiPatrick M. Norris
    • A61F2/962A61F2/82A61F2/958A61F2/97
    • A61F2/97A61F2/852
    • The present disclosure describes an assembly comprising a catheter, an expandable device in a collapsed configuration on the catheter, a first releasable sleeve coaxially covering a proximal portion of the device, and a second releasable sleeve coaxially covering a distal portion of the device, wherein first and second sleeves overlap and are rotatably constrained relative to each other, and wherein the second sleeve is rotatably constrained relative to the catheter. During deployment, rotation of the catheter causes rotation of the second sleeve and the device for angular radial orientation. After deployment, the first sleeve may remain implanted in the patient.
    • 本公开内容描述了一种组件,其包括导管,导管上的收缩构造的可扩张装置,同轴地覆盖该装置的近端部分的第一可释放套筒和同轴地覆盖该装置的远端部分的第二可释放套筒,其中第一 并且第二套筒重叠并相对于彼此可旋转地限制,并且其中第二套筒相对于导管可旋转地受约束。 在展开期间,导管的旋转导致第二套筒和装置的旋转以用于角度径向取向。 部署后,第一套筒可以保持植入患者体内。
    • 8. 发明申请
    • Elastic Stent Graft
    • 弹性支架移植
    • US20140135897A1
    • 2014-05-15
    • US13755481
    • 2013-01-31
    • W. L. GORE & ASSOCIATES, INC.
    • Edward H. CullyJeffrey B. DuncanRyan D. KariniemiThomas E. KariniemiJeffrey J. KustuschJared S. Nelson
    • A61F2/07
    • A61F2/07A61F2002/072A61L31/048C08L27/18
    • A stent graft including (1) a stent having a wall having at least one opening, an outer surface, and an inner surface and (2) a covering of a composite material having a least one expanded fluoropolymer membrane and an elastomer is provided. The cover can be used to cover the outer and/or the inner surface of the stent. The expanded fluoropolymer membrane contains serpentine fibrils. In exemplary embodiments, the fluoropolymer is polytetrafluoroethylene. The composite material may be axially and/or circumferentially wrapped around the stent. The composite material is fold-free throughout its operating diameter range and exhibits a sharp increase in stiffness at a predetermined diameter. The stent graft can be designed to have a stop point in either a radial or axial direction. The stent graft can advantageously be implanted undersized with respect to a nominal diameter without having material infolding.
    • 一种覆膜支架,其包括(1)具有至少一个开口的壁的支架,外表面和内表面,以及(2)具有至少一个膨胀的含氟聚合物膜和弹性体的复合材料的覆盖物。 盖可用于覆盖支架的外表面和/或内表面。 膨胀的含氟聚合物膜含有蛇纹石原纤维。 在示例性实施方案中,含氟聚合物是聚四氟乙烯。 复合材料可以围绕支架轴向和/或周向缠绕。 复合材料在其整个工作直径范围内是无折叠的,并且在预定直径处表现出刚度的急剧增加。 支架移植物可以设计成在径向或轴向方向上具有停止点。 支架移植物可以有利地相对于标称直径而不是材料折叠地被植入到尺寸不足的地方。