Patent ID: 8920474

Claim:
An implant for securing a spinal stabilization bar to a vertebra, the implant comprising: a bone screw having a longitudinal screw axis and comprising a bone penetration end disposed at a first end of the longitudinal screw axis and a protrusion end disposed at a second end of the longitudinal screw axis distal from the bone penetration end; a clamping head having a longitudinal clamping head axis and comprising a support head disposed at a first end of the longitudinal clamping head axis, a drive coupler disposed at a second end of the longitudinal clamping head axis and configured for engagement with a drive tool to impart rotation to the bone screw, a stabilization bar support configured to receive a stabilization bar from the side of the implant, and a clamp configured to secure the stabilization bar to the stabilization bar support; and a universal joint coupling the bone screw and the clamping head.