Disclosed herein are methods and devices for distracting adjacent vertebrae during surgical procedures for implanting spinal prostheses. In an exemplary embodiment, a distractor is disclosed that maintains the empty space between adjacent vertebrae following a discectomy, and that can removably mate...http://www.google.se/patents/US8016829?utm_source=gb-gplus-sharePatent US8016829 - Systems and methods for spinal surgery
