A biomechanical cadaveric analysis of polymethylmethacrylate-augmented pedicle screw fixation.

@article{Frankel2007ABC,
  title={A biomechanical cadaveric analysis of polymethylmethacrylate-augmented pedicle screw fixation.},
  author={Bruce M. Frankel and S. D'Agostino and Chiang Wang},
  journal={Journal of neurosurgery. Spine},
  year={2007},
  volume={7 1},
  pages={47-53}
}
OBJECT Instrumentation of the osteoporotic spine can be fraught with complications such as hardware failure. A cadaver study was performed to determine the biomechanical performance of polymethylmethacrylate (PMMA)-augmented pedicle screws. METHODS Three osteoporotic human cadaveric specimens with a mean bone mineral density of 0.70 g/cm2 were used to evaluate the performance of a novel fenestrated bone tap in pedicle screw augmentation. On this device, tap threads serve a dual purpose in… CONTINUE READING

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