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    • 39. 发明申请
    • TWO-STAGE METHOD OF COMPRESSING A STENT
    • 压缩方法的两阶段方法
    • US20120060348A1
    • 2012-03-15
    • US13322091
    • 2010-05-21
    • Sean D. ChambersMark A. MagnusonFred T. Parker
    • Sean D. ChambersMark A. MagnusonFred T. Parker
    • B23P11/00
    • A61F2/95A61F2/958A61F2002/9522Y10T29/49908
    • A two-stage method of compressing a stent entails providing an expandable stent (100,105) in a radially expanded state. An outward pressure is applied to an inner surface of the tubular framework to support the stent, and a diameter of the stent is reduced to a first compressed diameter (D1) while applying the outward pressure. The outward pressure is halted after reaching the first compressed diameter. According to an embodiment in which the stent is balloon-expandable, a delivery balloon catheter (130) comprising an uninflated balloon in a delivery configuration is inserted into the lumen after halting the outward pressure. The diameter of the stent is reduced to a second compressed diameter (D2) smaller than the first compressed diameter to crimp the stent onto the delivery balloon catheter.
    • 压缩支架的两级方法需要提供处于放大状态的可扩张支架(100,105)。 向管状框架的内表面施加向外的压力以支撑支架,并且在施加向外的压力的同时将支架的直径减小到第一压缩直径(D1)。 达到第一压缩直径后,向外的压力停止。 根据其中支架是球囊可膨胀的实施例,包括具有输送构型的未膨胀气囊的输送气囊导管(130)在停止向外的压力之后插入腔内。 支架的直径减小到小于第一压缩直径的第二压缩直径(D2),以将支架卷曲到输送球囊导管上。