Patent ID: 8734516
Filing Date: 2014-05-27
Classification: A61B,A61F

Abstract:
1. 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 and a second screw member, each of the first screw member and the second screw member having a screw head at a first end, a tapered end at a second end, and a threaded body disposed within the intervertebral cage, the screw head including a recess; wherein each of the first internal screw guide and the second internal screw guide are angled to orient the first screw member and the second screw member bi-directionally in opposite directions; and a central screw locking lever coupled to the intervertebral cage, wherein the central screw locking lever includes a first projection and a second projection that respectively engage the recess in the screw head of each of the first screw member and the second screw member and prevent the first screw member and the second screw member from pulling-out of the first internal screw guide and the second internal screw guide.