An interbody spinal fusion implant for surgical implantation within a disc space between two adjacent vertebral bodies in a segment of a human spine includes multiple bone growth promoting materials. The implant includes upper and lower portions for contacting each of the adjacent vertebral bodies when...http://www.google.fr/patents/US7914554?utm_source=gb-gplus-shareBrevet US7914554 - Spinal implant containing multiple bone growth promoting materials
Spinal implant containing multiple bone growth promoting materials
