Patent ID: 8535344
Filing Date: 2013-09-17
Classification: A61F

Abstract:
1. A filter device for percutaneous insertion into a blood vessel during a procedure, the filter device comprising: (a) a guide member comprising a distal end, a proximal end, and a lumen extending from the distal end to the proximal end; (b) filtering means for filtering material from a blood stream, said means being coupled to said guide member and having a proximal end and a distal end; (c) a first restraining means for restraining said filtering means, wherein said first restraining means comprises a sleeve at least partially surrounding said filtering means, wherein said sleeve is releasably secured with a tether wire, said tether wire passing through a plurality of openings in said sleeve, said tether wire being at least partially releasable by an operator to allow deployment of said filter; and (d) a second restraining means for restraining said filtering means, said second restraining means cooperating with said first restraining means in restraining said filtering means in an undeployed position.