An interbody spinal implant made of a material other than bone adapted for placement across an intervertebral space formed across the height of a disc space between two adjacent vertebral bodies. The implant has a leading end that includes at least a portion of an arc of a circle from side to side, and...http://www.google.es/patents/US7540882?utm_source=gb-gplus-sharePatente US7540882 - Artificial spinal fusion implant with asymmetrical leading end
Artificial spinal fusion implant with asymmetrical leading end
