Patent ID: 8123776
Filing Date: 2012-02-28
Classification: A61B,A61F

Abstract:
1. An embolic protection device comprising: a collapsible filter element for delivery through a vascular system of a patient; the filter element comprising a collapsible filter body and a collapsible filter support frame contacting the filter body; the filter body having an inlet end and an outlet end, the inlet end of the filter body having one or more inlet openings sized to allow blood and embolic material enter the filter body, the outlet end of the filter body having a plurality of outlet openings sized to allow through passage of blood but to retain undesired embolic material within the filter body; the filter support frame being movable between a collapsed position for movement through the vascular system and an extended outwardly projecting position to support the filter body in an expanded position; the filter support frame having an intermediate section to urge the filter body in the expanded position into apposition with a vessel wall, and a proximal section extending radially inwardly of the intermediate section; wherein the filter body comprises linking webs between adjacent inlet openings, the proximal section of the filter support frame comprises a first frame element having a section that extends proximally, radially inwardly in alignment with a first linking web, and a second frame element having a section that extends proximally, radially inwardly in alignment with a second linking web, and the number of inlet openings is two and the number of linking webs is two.