A self locking suture lock having first and second stitch lock openings designed to receive suture thread in only one direction, thereby locking the thread against withdrawal after the stitch to complete and lock it without the need for a surgical knot. A tongue in the first and second openings...http://www.google.es/patents/US5741301?utm_source=gb-gplus-sharePatente US5741301 - Self locking suture lock
