End-side anastomosis fittings are described which may be deployed over a guidewire, in a sheath, or by feeding the fitting through an opening in a host vessel wall. When a fitting as described is deployed within a host vessel, the exterior surface of the leading petal contacts the interior surface of...http://www.google.com.au/patents/US20040097993?utm_source=gb-gplus-sharePatent US20040097993 - Advanced anastomosis systems
