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    Stent delivery catheter system and method of implanting a self-expanding stent with embolic protection
    1.
    发明授权
    Stent delivery catheter system and method of implanting a self-expanding stent with embolic protection 有权
    支架输送导管系统和植入具有栓塞保护的自扩张支架的方法

    公开(公告)号：US08323327B2

    公开(公告)日：2012-12-04

    申请号：US12857467

    申请日：2010-08-16

    申请人： Nianjiong Joan Bei ,  Keif Fitzgerald ,  Patrick C. Saxton ,  Zhicheng Lin ,  Steven A. Tyler ,  Joanna Lubas

    发明人： Nianjiong Joan Bei ,  Keif Fitzgerald ,  Patrick C. Saxton ,  Zhicheng Lin ,  Steven A. Tyler ,  Joanna Lubas

    IPC分类号： A61F2/06

    CPC分类号： A61F2/958 ,  A61F2/013 ,  A61F2002/011 ,  A61F2002/018 ,  A61F2002/9583 ,  A61F2230/0006 ,  A61F2230/008

    摘要： A catheter system for implanting an endoprosthesis at a treatment site in a patient's body lumen. The catheter includes an elongated shaft outer member and a stent sheath distal portion and a self-expanding stent radially restrained in a collapsed configuration within the stent sheath distal portion. A balloon catheter dimensioned for relative axial movement within the shaft outer member has an elongated shaft having an inflation lumen and a device receiving lumen. A stent stop secured to the balloon catheter is reversibly radially expandable to deploy from a collapsed to a radially expanded configuration. In the expanded configuration, the stent stop prevents longitudinal displacement of the stent. A balloon is located on a distal shaft section is releasably locked with respect to the shaft outer member and slidably disposed therein in an unlocked configuration.

    摘要翻译： 一种用于在患者体腔内的治疗部位植入内假体的导管系统。 导管包括细长轴外部构件和支架护套远端部分以及在扩张器护套远端部分中以收缩构型径向约束的自扩张支架。 用于在轴外部构件内进行相对轴向移动的气囊导管具有细长轴，该细长轴具有充气腔和容纳腔的装置。 固定到气囊导管的支架止动器可逆地径向展开，从展开状态展开到径向展开的构型。 在扩张结构中，支架止动件防止支架的纵向位移。 位于远侧轴部上的气囊相对于轴外部构件可释放地锁定并且以可解锁的构造可滑动地设置在其中。