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US07993362B2 Filter with positioning and retrieval devices and methods 失效
过滤与定位和检索设备和方法

Filter with positioning and retrieval devices and methods
Abstract:
An intravascular filter having centering capabilities and a device for manipulation of the filter within a vessel. The manipulation device includes a grasping member disposed at the distal end of an elongate shaft, wherein the grasping member may be used to engage a portion of the filter.
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