This invention relates to arthodesis for stabilizing the spine. More specifically, the present invention is directed to an intervertebral spacer formed of a bone material and to methods of treating patients having spinal deformities. The invention provides a spinal implant assembly comprising bone-derived...http://www.google.co.uk/patents/US6761738?utm_source=gb-gplus-sharePatent US6761738 - Reinforced molded implant formed of cortical bone
