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    • 5. 发明申请
    • REDUCED - PROFILE SLIDE AND LOCK STENT
    • 减少 - 型材滑动和锁定
    • WO2014159337A1
    • 2014-10-02
    • PCT/US2014/023080
    • 2014-03-11
    • REVA MEDICAL, INC.
    • WEIER, KeithHOWARD, Steven, C.
    • A61F2/90
    • A61F2/93A61F2230/0013A61F2230/0054
    • An expandable slide and lock stent comprises a tubular member that can be expanded from a collapsed state to an expanded state. The tubular member can comprise a reversing helical backbone and at least one rail member extending from the helical backbone in a circumferential direction. The backbone can have at least one engagement element that can be configured to receive a rail member to form the tubular member. In some embodiments, the reversing helical backbone can comprise a plurality of discrete segments having a variable profile and/or wave form. A plurality of regions of each backbone may have a recessed or "nesting" profile providing for a smaller overall stent profile in a compacted configuration, and improved stent retention as mounted on a balloon catheter.
    • 可扩张的滑动和锁定支架包括可以从折叠状态扩展到扩张状态的管状构件。 管状构件可以包括反向螺旋主干和至少一个轨道构件,其沿圆周方向从螺旋主体延伸。 主骨架可以具有至少一个接合元件,该接合元件可被构造成接收轨道构件以形成管状构件。 在一些实施例中,反向螺旋骨架可以包括具有可变轮廓和/或波形的多个离散段。 每个骨架的多个区域可以具有凹陷或“嵌套”轮廓,其提供压实构型中更小的总体支架轮廓,以及安装在气囊导管上的改进的支架保持。