An artificial interbody spinal implant adapted for placement across an intervertebral space formed across the height of a disc space between two adjacent vertebral bodies is disclosed. The implant has an asymmetrical leading end adapted to sit upon the more peripheral areas, such as the apophyseal rim...http://www.google.ca/patents/US7387643?utm_source=gb-gplus-sharePatent US7387643 - Method for installation of artificial hemi-lumbar interbody spinal fusion implant having an asymmetrical leading end
