Inverted embolic protection filter
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United States of America Patent
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Dec 6, 2011
Grant Date -
Nov 6, 2003
app pub date -
May 6, 2002
filing date -
May 6, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An embolic protection filter having an inverted membrane with improved blood perfusion characteristics is disclosed. An embolic protection filter in accordance with the present invention comprises a filter frame disposable about a guidewire, a support hoop coupled to a plurality of expandable struts, and an inverted membrane for filtering embolic debris. The inverted membrane has a tapered proximal section and an enlarged diameter distal section. Features of the present invention permit the perfusion of blood through the filter irrespective of embolic debris entrained therein.
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