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Prostheses, systems and methods for replacement of natural facet joints with artifical facet joint surfaces

  • US 20030028250A1
  • Filed: 05/30/2002
  • Published: 02/06/2003
  • Est. Priority Date: 10/22/1999
  • Status: Active Grant
First Claim
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1. A facet joint prosthesis to replace, on a vertebral body, a portion of a natural facet joint, the prosthesis comprising a component sized to be fixed to the vertebral body and including an artificial facet joint structure adapted to replace the portion of the natural facet joint, a fixation region on the component being configured and arranged to receive a fixation element to fix the component to the vertebral body on or near a pedicle, the fixation region being sized to accommodate adjustment of the component on the vertebral body.

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