A surgical tool is disclosed for use in spinal stabilization for fusing contiguous vertebra in an animal spine. The tool includes a distal end having external dimensions sized for the distal end to be inserted within the animal body and located against a tissue layer between contiguous vertebra. Cutting...http://www.google.ca/patents/US5062845?utm_source=gb-gplus-sharePatent US5062845 - Method of making an intervertebral reamer