An improved artificial spinal implant system for replacing a disc or vertebral body that provides adjustability in height, and provides support and stability of the spine with proper lordosis or kyphosis, osseous-integration of the implant, and motion preservation (if desired) of the adjacent vertebrae...http://www.google.com/patents/US7824445?utm_source=gb-gplus-sharePatent US7824445 - Corpectomy vertebral body replacement implant system
