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    • 24. 发明申请
    • FILTER RETRIEVAL CATHETER SYSTEM, AND METHODS
    • 过滤器检测器系统及方法
    • WO2004069290A2
    • 2004-08-19
    • PCT/US2004/002673
    • 2004-01-30
    • CORDIS CORPORATIONFLEMING, James, A., III
    • FLEMING, James, A., III
    • A61L
    • A61F2/01A61B17/221A61B17/32056A61B2017/22035A61F2002/011A61F2230/005
    • A filter retrieval system for retrieving a previously implanted medical filter, and methods of using the retrieval system, are disclosed. The filter retrieval system has a flexible shaft, a retrieval element, and a handle with an actuator. The flexible shaft may be catheter-based, and has a proximal and a distal end, and has an opening near its distal end. The handle is affixed to the shaft near the proximal end of the shaft, and the actuator is adapted to manipulate the retrieval element. When an operator manipulates the actuator, the retrieval element is adapted to protrude slightly from the shaft opening. As the actuator is operated, the retrieval element can grasp or hook or otherwise engage a portion of the filter, and then pull the filter in through the opening into a passage or lumen of the catheter shaft. The retrieval system may be capable of retrieving a filter in either a proximal or a distal direction as desired.
    • 公开了一种用于检索先前植入的医疗过滤器的过滤器检索系统以及使用检索系统的方法。 过滤器检索系统具有柔性轴,检索元件和具有致动器的手柄。 柔性轴可以是基于导管的,并且具有近端和远端,并且在其远端附近具有开口。 手柄固定在靠近轴的近端的轴上,并且致动器适于操纵检索元件。 当操作者操纵致动器时,取出元件适于从轴孔略微突出。 当致动器被操作时,回收元件可以抓住或钩住或以其他方式接合过滤器的一部分,然后将过滤器通过开口拉入导管轴的通道或内腔。 检索系统可能能够根据需要在近端或远端方向检索过滤器。