An Invertebral Disc Model Prosthesis, of the type denominated of double
articulation, to substitute the function and the movement of
intervertebral discs, for universal application due to its principal
characteristic of being able to be used as a constrained,
semi-constrained or non-constrained prosthesis, specially indicated for
treatment of pathological degenerative of the intervertebral discs,
discal hernias, by anterior approach, transition syndromes of
supra-adjacent disc, chronic lumbagos resistant to conserver treatment,
chronic adjacent vertebral instability, made from materials of proved
biocompatibility, endowed with a low profile that makes it optimum for
its implant in the human being and which consists of three pieces, two
plates, upper and lower, and am intermediate piece , which serves for the
substitution of the discs of the lumbar and cervical column, capable of
being placed by the anterior or lateral approach.