Patent ID: 8926701
Filing Date: 2015-01-06
Classification: A61F,Y10T

Abstract:
1. An allograft intervertebral implant sized and configured for implantation between first and second adjacent vertebra, the implant comprising: an allograft body formed from at least two pieces of allograft bone, the allograft body including a front surface, a back surface, a pair of ends separating the front and back surfaces, and an upper surface and a lower surface sized and configured for contacting at least a portion of the first and second vertebrae, wherein the front surface, the back surface, and the pair of ends define an outer perimeter of the implant; wherein the first allograft bone piece has a first interface surface comprising a first portion of at least one dovetail joint, wherein the second allograft bone piece has a second interface surface comprising a second portion of the at least one dovetail joint, and wherein the at least two pieces of allograft bone are joined together by the at least one dovetail joint, the at least one dovetail joint being sized and configured to substantially follow the outer perimeter of the implant, and the at least one dovetail joint being sized and configured to achieve a press-fit type connection once the first and second portions of the at least one dovetail joint are fully joined together thereby providing resistance against separation of the at least two pieces of allograft bone.