结论颈椎侧块外上象限是螺钉植入的安全区，横突与关节突相交处是安全的出钉点。
Conclusion the superior lateral quadrant was the safe area of the cervical lateral mass screw. The safe exit point was the juncture between the transverse process and the facet.
目的测试使用横连在单节段短椎弓根钉内固定中的生物力学稳定性。
Objective To test the biomechanical stiffness of cross-linkage in monosegment instrument with short pedicle screw.
目的测试使用横连在单节段短椎弓根钉内固定中的生物力学稳定性。
Objective To test the biomechanical stiffness of cross-linkage in monosegment instrument with short pedicle screw.
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