A locking mechanism having a locking element carried by one or more strands of suture material. One end of the suture is attachable to an anchor having a slot extending from a trailing end of the anchor toward a leading end. A portion of the suture is at least partially disposable in the slot. A separate...http://www.google.ca/patents/US5269809?utm_source=gb-gplus-sharePatent US5269809 - Locking mechanism for use with a slotted suture anchor
