An anastomosis device is a one piece device for connecting a graft vessel to a target vessel without the use of conventional sutures. The anastomosis device includes an expandable tube configured to have a graft vessel secured to the tube. The device has an expandable linkage positioned at one end of...http://www.google.de/patents/US6652541?utm_source=gb-gplus-sharePatent US6652541 - Method of sutureless closure for connecting blood vessels