A thrombus filter configured for placement within a blood vessel lumen defined by a blood vessel wall. The thrombus filter includes a body member, and a plurality of wires. Each wire has a joined end and a free end. The joined end of each wire is fixedly attached to the distal portion of the body member....http://www.google.com.au/patents/US6146404?utm_source=gb-gplus-sharePatent US6146404 - Removable thrombus filter
