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...http://www.google.com/patents/US20040098026?utm_source=gb-gplus-sharePatent US20040098026 - Methods and apparatus for distal protection during a medical procedure
Methods and apparatus for distal protection during a medical procedure