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    • 1. 发明申请
    • LENGTH AND DIAMETER ADJUSTABLE BALLOON CATHETER
    • 长度和直径可调节气泡导管
    • WO2012037510A1
    • 2012-03-22
    • PCT/US2011/052018
    • 2011-09-16
    • ABBOTT CARDIOVASCULAR SYSTEMS INC.GIANOTTI, MarcBAUER, JochenJETTER, Michael
    • GIANOTTI, MarcBAUER, JochenJETTER, Michael
    • A61M25/10
    • A61M25/10A61M25/005A61M25/0053A61M25/1002A61M25/104A61M2025/1068
    • Adjustable balloon catheter (100) including an inner tubular member (110) that has an inflation lumen (130) defined therein. An expandable member (140) is coupled to the distal end portion of the inner tubular member and has an inner chamber in fluid communication with the inflation lumen. The expandable member is transitionable between a deflated configuration and an inflated configuration. The expandable member defines has a non - cylindrical shape along at least a portion of a working length thereof when in the inflated configuration. An outer tubular member (120) is movable relative to the inner tubular member, the outer tubular member includes a distal end. The outer tubular member is moveable between an extended position disposed over the expandable member and a retracted position proximal to the extended position. The outer tubular member is selectively positioned between the extended position and the retracted position to define an exposed length of the working length of the expandable member.
    • 包括具有限定在其中的充气腔(130)的内​​部管状构件(110)的可调节球囊导管(100)。 可膨胀构件(140)联接到内管状构件的远端部分并具有与膨胀腔流体连通的内室。 可膨胀构件在放气构型和膨胀构型之间是可转换的。 当处于膨胀构型时,可扩张构件沿其工作长度的至少一部分限定具有非圆柱形形状。 外部管状构件(120)可相对于内部管状构件移动,外部管状构件包括远端。 外部管状构件可在设置在可扩张构件之间的延伸位置和靠近伸出位置的缩回位置之间移动。 外管状构件选择性地定位在延伸位置和缩回位置之间,以限定可膨胀构件的工作长度的暴露长度。