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    • 5. 发明申请
    • SELF-FLARING ACTIVE FIXATION ELEMENT FOR A STENT GRAFT
    • 自动补偿活塞固定元件
    • WO2010123665A1
    • 2010-10-28
    • PCT/US2010/029501
    • 2010-03-31
    • MEDTRONIC VASCULAR, INC.RUST, Matthew
    • RUST, Matthew
    • A61F2/06
    • A61F2/07A61F2/89A61F2/90A61F2002/061A61F2002/8483A61F2002/8486A61F2220/0016A61F2230/0019A61F2230/0026Y10T29/49826
    • A stent graft includes a stent graft material of tubular shape and annular shaped stent elements coupled to the stent graft material. The stent graft further includes hooked fixation elements, having hook-end portions and coupling-end, circumferentially spaced about an annular shaped spring attachment element, and coupled to the stent graft at apexes of the spring attachment element. Before deployment the hook-end portions of the apexes of the attachment element and the hooked fixation elements attached thereto are compressed within the space bounded by the interior and exterior sides of the spring attachment element and angled laser cut strut inner surfaces under each apex of the spring attachment element are cut at an angle to cause apex and hook rotation at expansion and deployment. At deployment, the apex and hook-end portions rotate outwardly from the stent graft, partially penetrating the body vessel walls in which the stent graft is deployed and actively fixing the stent graft at the position of deployment.
    • 支架移植物包括管状形状的支架移植材料和耦合到覆膜支架材料的环形支架元件。 支架移植物还包括钩状固定元件,其具有钩状端部和联接端,围绕环形弹簧附接元件周向隔开,并且在弹簧附接元件的顶点处联接到支架移植物。 在展开之前,附接元件的顶点的钩端部分和附接到其上的钩形固定元件在由弹簧附接元件的内侧和外侧限定的空间内被压缩,并且在弹性连接元件的每个顶点下方的成角度的激光切割支柱内表面 弹簧连接元件以一定角度被切割,从而在扩张和展开时引起顶点和钩子旋转。 在展开时,顶端和钩端部分从支架移植物向外旋转,部分地穿透其中展开移植物展开的身体血管壁,并主动地将支架移植物固定在展开位置。
    • 10. 发明申请
    • TRANSCATHETER PROSTHETIC HEART VALVE DELIVERY DEVICE WITH FUNNEL RECAPTURING FEATURE AND METHOD
    • 具有FUNNEL RECAPTURING特征和方法的TRANSCATHETER PROSTHETIC HEART VALVE DELIVERY DEVICE WITH FUNNEL RECAPTURING FEATURE AND METHOD
    • WO2011130093A1
    • 2011-10-20
    • PCT/US2011/031586
    • 2011-04-07
    • MEDTRONIC INC.MURRAY III, RobertDESHMUKH, SusheelSAVAGE, PadraigRUST, Matthew
    • MURRAY III, RobertDESHMUKH, SusheelSAVAGE, PadraigRUST, Matthew
    • A61F2/24A61F2/84
    • A61F2/2436A61F2002/9517A61F2002/9534
    • A delivery device for percutaneously deploying a stented prosthetic heart valve. The device includes a delivery capsule and a recapture sheath (32). The capsule is configured to compressively retain the prosthesis. The recapture sheath includes a funnel segment (42) having a plurality of circumferentially spaced runners (66) and a polymer overlay (62). The runners are attached to a shaft and terminate at a distal tip. The overlay surrounds the runners, and is bonded to the shaft but not to at least the tips. The funnel segment is transitionable from a normal condition to an expanded condition forming a funnel shape with a distally increasing diameter, and self - transitionable back toward the normal condition. The funnel segment facilitates sliding of the capsule over a partially deployed region of the prosthesis as part of a recapturing operation. The runners provide columnar strength, with the overlay controlling a shape of the funnel segment.
    • 用于经皮部署支架假体心脏瓣膜的输送装置。 该装置包括递送胶囊和再捕获鞘(32)。 胶囊被构造成压缩地保持假体。 重新捕获护套包括具有多个周向间隔的流道(66)和聚合物覆盖物(62)的漏斗段(42)。 流道附着在轴上,并终止于远端。 覆盖物围绕流道,并且结合到轴,但至少不是尖端。 漏斗段可以从正常状态转变成扩展状态,形成具有向远端增加的直径的漏斗形状,并且可自由转变回正常状态。 漏斗段有助于将胶囊滑动在假体的部分展开的区域上,作为重新捕获操作的一部分。 跑步者提供柱状强度,覆盖层控制漏斗段的形状。