The present invention advantageously provides self-tensioning occlusion devices, systems, and methods for percutaneous access and closure of vascular puncture sites. One device comprises a catheter body having a proximal end and a distal end, an occlusion member, and a tensioning member. The occlusion...http://www.google.es/patents/US7572274?utm_source=gb-gplus-sharePatente US7572274 - Self-tensioning vascular occlusion device and method for its use
Self-tensioning vascular occlusion device and method for its use
