| 摘要 |
An embolic protection filter (10) having an inverted membrane (44) 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 (14), a support hoop (26) 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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