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    • 23. 发明授权
    • Catheter with removable balloon protector
    • US6132450A
    • 2000-10-17
    • US211376
    • 1998-12-14
    • Scott M. HansonRichard J. TraxlerLouis G. EllisLinda Lorentzen CorneliusThomas J. HolmanGregory K. Olson
    • Scott M. HansonRichard J. TraxlerLouis G. EllisLinda Lorentzen CorneliusThomas J. HolmanGregory K. Olson
    • A61F2/06A61F2/84A61M29/02A61M29/00
    • A61M25/104A61F2/0095A61F2/958A61M2025/1081
    • A balloon catheter is provided having an expandable distal portion and balloon protector means comprising a first removable sleeve having a variable inner diameter to ease sliding the first sleeve over the balloon, and an optional second removable (outer) sleeve positioned over the inner sleeve, the second (outer) sleeve having a constrictive relationship with the first (inner) sleeve, said first and second sleeves being removed prior to use of the catheter. A stent delivery system is provided to facilitate introduction and placement of a stent, and includes a catheter having an expandable distal portion constructed and arranged for expanding the outer diameter of the catheter from a contracted state to an expanded state, said distal portion further comprising a balloon and at least one dam over which the balloon extends, and a stent positioned around the distal portion of the catheter around the balloon or gripper linear control device, said stent having a contracted condition, being sized in the contracted condition to closely surround the balloon in the contracted state, and being expandable to an expanded condition; a first removable (inner) sleeve in the region of the distal portion of the catheter positioned around the stent (and between the dams where the device comprises two dams), said first sleeve comprising a first end, a second end and a variable inner diameter to ease sliding the sleeve over the balloon and stent; an optional second removable (outer) sleeve positioned over the stent, first sleeve and at least one dam, said second (outer) sleeve having a constrictive relationship with the first (inner) sleeve, whereby when compressed by the outer sleeve, the inner sleeve will have an inner diameter approximately equal to or less than the outer profile of the collapsed balloon over the at least one dam, said first and second sleeves being removed prior to use of the stent delivery system and release of the stent by expansion of the balloon.
    • 29. 发明授权
    • Fully sheathed balloon expandable stent delivery system
    • 全套护套球囊扩张支架输送系统
    • US06432130B1
    • 2002-08-13
    • US09552807
    • 2000-04-20
    • Scott M. Hanson
    • Scott M. Hanson
    • A61F206
    • A61F2/958A61F2002/9583A61M2025/1081
    • A stent delivery system which includes a self dividing and retracting stent retaining sleeve having a ribbed configuration. The ribbed configuration providing the sleeve with reduced columnar strength and an improved radial strength characteristics. The present stent delivery system further providing for a perforated portion on the sleeve which will rupture at a predetermined pressure thereby dividing the sleeve into a proximal portion and a distal portion. The ribbed sleeve portions providing a recoil action in opposite longitudinal directions to the individual sleeve portions which assists in actively retracting the sleeve portions off of the stent being expanded.
    • 一种支架输送系统,其包括具有肋状结构的自分支和缩回支架保持套筒。 肋状构造为套筒提供降低的柱状强度和改进的径向强度特性。 本支架输送系统进一步提供套筒上的穿孔部分,其将以预定压力破裂,从而将套筒分成近端部分和远端部分。 带肋的套筒部分在相对的纵向方向上提供相对于各个套筒部分的反冲动作,这有助于主动地将套筒部分缩回到支架之外。