Apparatus and methods for providing distal protection during a medical
procedure comprising a vascular filter having a self-expanding, porous
foam body that conformably seals against a vessel wall and captures
emboli within one or more recesses. The filter is coupled to a distal
region of an elongated member, such as a guide wire. Delivery systems for
use with filters of the present invention and methods of using the
apparatus of the present invention also are provided.