Patent ID: 8562655
Filing Date: 2013-10-22
Classification: A61B

Abstract:
1. A lumbar plate assembly for use between at least two vertebral bodies, comprising, a lumbar plate having at least one opening for each vertebral body; a screw configured to secure the lumbar plate to the vertebral body through the at least one opening, the screw includes a plurality of notches disposed on a top portion of the screw; a rotatable locking mechanism proximate the at least one opening for each vertebral body having a trapezoidal shape and includes at least one locking tip configured to interact with the at least one notch of the screw, the rotatable locking mechanism configured to rotate from a first configuration to a second configuration, the first configuration allowing the screw to pass into the at least one opening and the second configuration engaging the screw to prevent withdrawal of the screw from the at least one opening; and a locking screw configured to secure the rotatable locking mechanism to the plate.