发明名称 SLIDEABLE VASCULAR FILTER
摘要 <p>A collapsible medical device for use, e.g., as a vascular filter (10). The device includes a mandrel (20) having a distal end (60) and a stop (40) spaced proximally of the distal end. A proximal length of the mandrel (20) extends proximally of the stop (40) and a distal length of the mandrel extends distally of the stop. A functional element (e.g., a vascular filter (50)) has a radially expandable body and includes a proximal slider (65) and a distal slider (60). The proximal and distal sliders are slidable along the mandrel (20) independently of one another such that the distance between the proximal slider and distal slider can be varied to effect different configurations of the functional element. In one method of using such a device, the functional element is urged distally to a treatment site by urging the mandrel distally. This causes the stop (40) to exert a distal biasing force on the distal slider (60), which acts against a restorative force of the functional element to axially elongate the functional element and reduce friction between the functional element and a wall of the vessel.</p>
申请公布号 WO2001015629(A1) 申请公布日期 2001.03.08
申请号 US1999019942 申请日期 1999.08.27
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