Translaminar facet joint screw fixation for lumbar and lumbosacral fusion. A clinical and biomechanical study.

@article{Heggeness1991TranslaminarFJ,
  title={Translaminar facet joint screw fixation for lumbar and lumbosacral fusion. A clinical and biomechanical study.},
  author={Michael H Heggeness and Stephen I Esses},
  journal={Spine},
  year={1991},
  volume={16 6 Suppl},
  pages={S266-9}
}
Various systems of supplementing bone grafts with internal fixation in the lumbosacral spine have been used in an effort to improve fusion rates. This study reports biomechanical data of cyclic loading cadaveric spines instrumented with translaminar facet screws as well as early clinical results on this technique. Static loading tests comparing uninstrumented and instrumented spinal motion units show that a ninefold increase in flexion load is necessary for constant displacement after facet… CONTINUE READING
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