Patent ID: 7935119

Claim:
A method for performing an open wedge, high tibial osteotomy, the method comprising: cutting the bone along a cutting plane, with the cut terminating at a boundary line, and forming at least one keyhole in the tibia adjacent to the cut; moving the bone on either side of the cut apart so as to form a wedge-like opening in the bone; positioning a wedge-shaped implant in the wedge-shaped opening created in the tibia, wherein the wedge-shaped implant comprises at least one key for disposition in at least one corresponding keyhole formed in the tibia adjacent to the wedge-shaped opening created in the tibia, wherein each of the at least one keys comprises an interior bore for receiving a fixation screw; and positioning at least one fixation screw in the interior bore of the at least one key; wherein the apparatus is configured so that when the at least one fixation screw is received in the interior bore, the at least one fixation screw terminates within the bore; and further wherein the at least one key is disposed in the at least one keyhole formed in the tibia.