A method and apparatus for anchoring suture to bone includes an anchor formed by twisting a wire to provide a loop with two legs extending distally from the twist. Each leg bends outwardly through 180.degree. to define respective knee segments between inner and outer leg segments, the outer leg segments...http://www.google.ca/patents/US5500001?utm_source=gb-gplus-sharePatent US5500001 - Suture anchor for soft tissue fixation
