Devices and surgical methods treat various types of adult spinal pathologies, such as degenerative spondylolisthesis, spinal stenosis, degenerative lumbar scoliosis, and kypho-scoliosis. Various types of spinal joint replacement prostheses, surgical procedures for performing spinal joint replacements,...http://www.google.de/patents/US7608106?utm_source=gb-gplus-sharePatent US7608106 - Facet arthroplasty devices and methods
