Patent ID: 8328872

Claim:
An intervertebral implant for implantation in an intervertebral space between adjacent vertebrae, wherein said implant comprises: a spacer having an inferior surface and a superior surface, wherein the inferior surface and the superior surfaces each have a contact area capable of engaging with the adjacent vertebrae; a plate coupled to the spacer, the plate having an anterior surface, an upper surface, a lower surface and at least one hole for receiving a screw; a locking mechanism disposed on the plate for preventing the back out of at least one screw from the at least one hole, wherein the spacer includes a plurality of protrusions on the superior and inferior surfaces for engaging the adjacent vertebrae, wherein the upper surface of the plate further comprises a first extension, the first extension being generally flush with the anterior surface of the plate and the lower surface of the plate comprises a second extension, the second extension being generally flush with the anterior surface of the plate, and wherein the first and second extension do not include an opening for receiving a screw.