Temporary intraluminal filter guidewire and methods of use
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United States of America Patent
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May 13, 2008
Grant Date -
Jul 7, 2005
app pub date -
Feb 8, 2005
filing date -
Apr 3, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention is a temporary intraluminal filter guidewire for use during interventional procedures, such as angioplasty or stent deployment. A braided filter is mounted near the distal end of a steerable guidewire, which guides a therapeutic catheter. An actuator rod slides over the guidewire and is removably connected to the filter. The rod controls relative displacement of the filter ends, causing transformation of the filter between a deployed configuration and a collapsed configuration. Wire having enhanced radiopacity is included in the filter to provide visualization under fluoroscopy.
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