Patent ID: 7329269
Filing Date: 2008-02-12
Classification: A61F

Abstract:
1. A thrombus filter for placement within a blood vessel lumen defined by a blood vessel wall, comprising: a wall engaging portion comprised of a plurality of wall elements including a plurality of wall engaging strands; a filtering portion comprised of a plurality of filtering strands; a selectively releasable retainer disposed on the filtering strands; the filtering portion being fixed to the wall engaging portion; each wall engaging strand connected to each other wall engaging strand, either directly or solely through other wall elements; and a catheter disposed adjacent the thrombus filter, the catheter having a lumen and a capture member, wherein the catheter is configured to engage the selectively releasable retainer and the capture member is configured to retain the retainer within the lumen when the retainer has been released; wherein the wall elements include a plurality of tubular members having central lumens, the plurality of the tubular members having a portion of at least one wall engaging strand in the central lumen.