Patent ID: 7211112

Claim:
A spinal fusion device for adjusting the space between vertebrae comprising an upper section having a top surface and depending sidewalls, said sidewalls terminating in a first inclined plane, a lower section having a bottom surface and upstanding sidewalls, said upstanding sidewalls terminating in a second inclined plane, said first inclined plane and said second inclined plane being complementary to each other in movable contact, said upstanding sidewalls having a thickness, a portion of said upstanding sidewalls having a lesser thickness, a flange connected to said top surface, said flange adapted to contact said portion of said upstanding sidewalls having a lesser thickness and provide alignment of said upper section and said lower section, and a distractor located between said upstanding sidewalls, said distractor having adjustment means for moving said upper section relative to said lower section thereby increasing the distance between said top surface and said bottom surface.