The present invention provides a method and end-to-side surgical anastomosis apparatus for stapling an end of a tubular tissue structure to a side of a luminal structure including an elongated housing defining a central bore extending longitudinally therethrough. The elongated housing further includes...http://www.google.com/patents/US6659327?utm_source=gb-gplus-sharePatent US6659327 - Surgical anastomosis apparatus and method thereof