A posterior approach for intervertebral disk replacement is provided. This technique is particularly suited for assembling a multi-piece artificial spinal disk replacement device in situ in order to alleviate discomfort associated with the spinal column....http://www.google.es/patents/US7481840?utm_source=gb-gplus-sharePatente US7481840 - Multi-piece artificial spinal disk replacement device with selectably positioning articulating element
Multi-piece artificial spinal disk replacement device with selectably ...
