Systems and method in accordance with the embodiments of the present invention can include an implant for positioning within a cervical facet joint for distracting the cervical spine, thereby increasing the area of the canals and openings through which the spinal cord and nerves must pass, and decreasing...http://www.google.es/patents/US8118838?utm_source=gb-gplus-sharePatente US8118838 - Inter-cervical facet implant with multiple direction articulation joint and method for implanting
Inter-cervical facet implant with multiple direction articulation joint and ...
