Patent ID: 7241304
Filing Date: 2007-07-10
Classification: A61F

Abstract:
1. An embolic filtering device used to capture embolic debris in a body vessel, comprising: a guide wire having a proximal end and a distal end; and an expandable filter assembly mounted near the distal end of the guide wire, the filter assembly including a self-expanding cage having a proximal circumferential member adapted to move between a collapsed position and an expanded position, the proximal circumferential member including a plurality of bending regions formed therein, a distal circumferential member adapted to move between a collapsed position and an expanded position, the distal circumferential member including a plurality of bending regions formed therein, the proximal circumferential member being connected to the distal circumferential member, a proximal strut attached to the proximal circumferential member, a distal strut attached to the distal circumferential member, and a filter element attached to the self-expanding cage, wherein the bending regions of the proximal circumferential member are connected to and in phase with the bending regions of the distal circumferential member.