Patent ID: 8062372

Claim:
A spinal fusion device for abutting and fixing between adjacent vertebrae, comprising: a support frame comprising a plate extending in a horizontal plane, the plate having: a central through hole, a central portion surrounding the central through hole, a plurality of flat extending bodies proportioned to fit into a gap between adjacent vertebrae vacated by a disc, and a plurality of gaps respectively formed between adjacent extending bodies, wherein the plurality of gaps and the central through hole extend through the plate in a direction perpendicular to the horizontal plane, wherein the extending bodies each comprise an arm portion and an end portion, the arm portion extending radially from the central portion in the horizontal plane and having a first end connected to the central portion and a second end opposite thereto, the end portion extending transversely to the arm portion in the horizontal plane, each end portion having a middle portion, a first protruding portion extending from the middle portion in a first direction, and a second protruding portion extending from the middle portion in a second direction opposite to the first, wherein the middle portion is connected to the second end of the arm portion, and wherein each of the plurality of gaps is an open-ended recess completely separating the end and arm portions of two adjacent extending bodies; and a bone graft filled into the central through hole and the plurality of gaps.