Patent ID: 7972363

Claim:
A bi-directional fixating transvertebral (BDFT) screw/cage apparatus, comprising: an intervertebral cage for maintaining disc height, the intervertebral cage including a first internal screw guide and a second internal screw guide; a first screw member having a screw head, a tapered end, and a threaded body disposed within the intervertebral cage; a second screw member having a screw head, a tapered end, and a threaded body disposed within the intervertebral cage; and a first screw locking mechanism that prevents the first screw member and/or the second screw from pulling-out of the first internal screw guide and the second internal screw guide, wherein the first screw locking mechanism is disposed between the intervertebral cage and an underside of the screw head of the first screw member and/or the second screw member when the first screw locking mechanism is in a locked state.