Patent ID: 7344549
Filing Date: 2008-03-18
Classification: A61F

Abstract:
1. An embolic filtering device used to capture embolic debris in a body vessel, comprising: a guide wire; and a filter assembly disposed on the guide wire, the filter assembly including an expandable cage and filtering element attached to the cage, the cage being movable between an unexpanded and expanded position, the cage including a circumferential member which forms an inlet opening for the filtering element when placed in the expanded position, a single proximal strut having a first end attached to the circumferential member and a second end coupled to the guide wire, the proximal strut being configured to maintain the guide wire substantially centered through the inlet opening of the circumferential member when the cage is placed in the expanded position and a distal strut having a first end attached to the circumferential member and a second end coupled to the guide wire, wherein the circumferential member is adapted to sealingly contact the body vessel when placed in the expanded position to form a single inlet opening for capturing embolic debris.