Patent 7850697 was granted and assigned to AxioMed Spine on December, 2010 by the United States Patent and Trademark Office.
An apparatus for replacing a spinal disc which has a rail extending from the outer surface to connect the apparatus to the first vertebra. The rail extends a first distance from the outer surface adjacent a first end. The rail extends a second distance from the outer surface adjacent a second end. The second distance is greater than the first distance. In another aspect of the apparatus, the first rail extends generally transverse to the first and second ends. The second rail extends generally transverse to the first rail.