Patent ID: 8182508

Claim:
An embolic protection device for use in a vessel, the embolic protection device comprising: a core wire; and a cannula attached to the core wire and extending proximally about the core wire, the cannula having a basket portion with a first end and a second end, the basket portion being formed from the cannula itself and having a longitudinal axis extending between the first end and the second end, a middle portion of the basket being located between the first end and the second end, the basket including a plurality of struts, the cannula further having a filter portion that extends between the middle portion and the second end of the basket, the filter portion being formed from the cannula itself, the filter portion having a plurality of openings formed in the cannula, the basket portion being movable between an expanded state and a collapsed state, each of the plurality of struts extending longitudinally from the first end to the second end of the basket, each of the plurality of struts having a middle section extending substantially perpendicular to the longitudinal axis around a circumference of the middle portion of the basket, the middle sections cooperating to substantially outline a circumference of the middle portion when the basket is in the expanded state, the filter portion comprising rows of sinusoidal filtering elements, each row connected by a plurality of tie bars forming an accordion pattern between each strut, the sinusoidal filtering elements allowing expansion and contraction of the filter portion.