Surgical fasteners comprise a needle coupled to a pair of closeable clips. The needle of the fastener may be penetrated through a blood vessel or other body lumen or duct which permits the clips to close around the exterior of the vessel to close the interior of the vessel. ...http://www.google.se/patents/US20040054375?utm_source=gb-gplus-sharePatent US20040054375 - Methods and apparatus for vessel ligation
