Patent ID: 8197543
Filing Date: 2012-06-12
Classification: A61F

Abstract:
1. A spinal prosthesis comprising: a prosthetic vertebral body, the prosthetic vertebral body for replacement of a vertebral body of a subject vertebra, the prosthetic vertebral body having posterior anchoring means located posteriorly of the prosthetic vertebral body for anchoring the spinal prosthesis to the subject vertebra; first and second resilient elements attached to opposite ends of the prosthetic vertebral body, the first resilient element providing a prosthetic intervertebral disc for location between the subject vertebra and a superior vertebra, and the second resilient element providing a prosthetic intervertebral disc for location between the subject vertebra and an inferior vertebra; and attaching means anterior of the prosthetic vertebral body for attaching the first and the second resilient elements to anterior aspects of the superior and the inferior vertebrae respectively; wherein the posterior anchoring means is configured to contact the subject vertebra and comprises a fixing member for attachment by screws to the subject vertebra, and retention means secured to the prosthetic vertebral body posteriorly of the prosthetic vertebral body for engagement with the fixing member in retention of the prosthetic vertebral body anchored to the subject vertebra.