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    • 5. 发明授权
    • Balloon catheter stent delivery system with ridges
    • 气球导管支架输送系统脊
    • US07572270B2
    • 2009-08-11
    • US10466029
    • 2002-02-15
    • Eric Gerard Johnson
    • Eric Gerard Johnson
    • A61F2/06A61M29/00
    • A61F2/958A61F2002/9583
    • A balloon catheter and stent delivery system for medical treatment of a patient includes a balloon having a pattern of ridges in an initial deflated state. The ridges may cooperate with structural elements of a stent crimped onto the balloon, to increase and enhance longitudinal retention of the stent while the catheter system is advanced or withdrawn. Upon inflation, the balloon recovers to an inflated shape having a cylindrical working portion. The balloon catheter thus provides for uniform expansion of the stent when the balloon is inflated. The present invention also tends to protect the leading or distal end of the stent during advancement, and tends to protect the proximal end of the stent during any withdrawal of the catheter system.
    • 用于患者医疗的气囊导管和支架输送系统包括具有处于初始放气状态的脊状图案的球囊。 脊可以与在球囊上卷曲的支架的结构元件配合,以在导管系统前进或撤回时增加和增强支架的纵向保持。 在膨胀时,气囊恢复到具有圆柱形工作部分的膨胀形状。 因此,气球导管因此在气囊膨胀时提供支架的均匀膨胀。 本发明还倾向于在推进期间保护支架的前端或远端,并且倾向于在导管系统的任何抽出期间保护支架的近端。