Embolic protection devices one way porous membrane
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United States of America Patent
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Dec 2, 2003
Grant Date -
Mar 6, 2003
app pub date -
Aug 31, 2001
filing date -
Aug 31, 2001
priority date (Note) -
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Abstract
An embolic protection device for use in a blood vessel when an interventional procedure is being performed in a stenosed or occluded region to capture any embolic material which may be created and released into the bloodstream during the procedure. The device includes a filtering assembly having a self-expanding strut assembly and a filter element attached thereto. The filtering assembly is capable of allowing controlled backwards flow of blood through the filter assembly, or blocking the backwards flow entirely, during aspiration of embolic material trapped within the filter assembly.
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