Biomechanical study of pedicle screw fixation in severely osteoporotic bone.

  title={Biomechanical study of pedicle screw fixation in severely osteoporotic bone.},
  author={Stephen D. Cook and Samantha L. Salkeld and Tom Stanley and Albert Faciane and Scot D Miller},
  journal={The spine journal : official journal of the North American Spine Society},
  volume={4 4},
BACKGROUND CONTEXT Obtaining adequate purchase with standard pedicle screw techniques remains a challenge in poor quality bone. The development of alternate insertion techniques and screw designs was prompted by recognition of potential fixation complications. An expandable pedicle screw design has been shown to significantly improve fixation compared to a conventional screw in poor quality bone. PURPOSE The purpose of this study was to determine if polymethylmethacrylate (PMMA) bone cement… CONTINUE READING


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A new alternative to expandable pedicle screws: Expandable poly-ether-ether-ketone shell.

Proceedings of the Institution of Mechanical Engineers. Part H, Journal of engineering in medicine • 2015
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