| 摘要 |
Methods and devices are disclosed for treating the vertebral column. An integrated fixation device within fastener apertures and screws configured to resist backout of screws attaching the fixation device to bone is provided. In some embodiments, a fastener aperture insert is also provided to resist shear forces acting between the screw and fixation device. The fastener apertures and aperture inserts may have an oblong configuration. In some embodiments, an integrated fixation plate and spacer system is provided. Alternative fixation systems are also contemplated.
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