A vertebral prosthesis and spinal fixation system includes a vertebral prosthesis having a height adjustable shaft and an anchoring mechanism coupled to the shaft. The system further includes a spinal fixation device and a number of bone screws. The bone screws attach the fixation device to the vertebral...http://www.google.de/patents/US7883543?utm_source=gb-gplus-sharePatent US7883543 - Vertebral prosthesis and spinal fixation system
