A spinal fixation implant system for correction and fixation of the human spine to facilitate an anatomically correct fusion. The spinal fixation system may include a connector, a spinal rod, a spinal fixation component, a sleeve, and a fastener. The spinal fixation component preferably includes a fixation...http://www.google.fr/patents/US5989250?utm_source=gb-gplus-shareBrevet US5989250 - Method and apparatus for spinal fixation
