Patent ID: 7491237
Filing Date: 2009-02-17
Classification: A61F

Abstract:
1. A multipiece implant comprising: a body having a superior surface, an inferior surface and a surface extending from the superior surface to the inferior surface, the body further including a central opening extending from the superior surface to the inferior surface for receiving one of osteogenic, osteoconductive or osteoinductive material; the body being formed from at least first and second mating cortical bone segments, each segment having a locking surface configured to engage the locking surface of the other segment, each segment including at least a portion of the superior and inferior surfaces of the body and at least two passages, the first and the second cortical bone segments being arranged so that, when mated, the passages are in registry and have a common axis; at least two cortical bone pins disposed within the passages; wherein the locking surfaces of the first and second bone segments form dovetail joints, each of the dovetail joints including a mortise and a tenon, each of the passages passing through one of the mortises and tenons so that the cortical bone pins pass through one of the mortises and tenons; and wherein the passages are configured so that the bone pins are positioned on opposite sides of the central opening.