A filter device is adapted to function as a guidewire, an exchange guidewire, and provide embolic protection during a procedure. The filter device includes a filter assembly that is either integral with or coupled to a guide member. The filter assembly includes a plurality of struts that expand outwardly...http://www.google.de/patents/US6997939?utm_source=gb-gplus-sharePatent US6997939 - Methods, systems, and devices for deploying an embolic protection filter
Methods, systems, and devices for deploying an embolic protection filter
