A visco-elastic motion-limiting artificial intervertebral disc prosthesis is provided that mimics the physiologic function of a normal spinal disc. The disc comprises upper and lower endplates having therewithin channels or openings for optionally receiving one or more motion-limiting members fitted...http://www.google.fr/patents/US7771478?utm_source=gb-gplus-shareBrevet US7771478 - Artificial disc prosthesis
