A system for inserting a cannulated tissue anchor during endoscopic surgical procedures. The system incorporates an elongated generally cylindrical tissue anchor having a plurality of barbs outwardly extending from its body and a transverse head situated at its proximal end. The head is elongated along...http://www.google.ca/patents/US6290702?utm_source=gb-gplus-sharePatent US6290702 - Cannulated tissue anchor system
