Objective To investigate the causes of breakage, bending and loosening of pedicle screw systems in fixation of spinal fractures of the thoracolumbar segments.
目的探讨脊柱胸腰段骨折椎弓根螺钉系统内固定后，椎弓根螺钉断裂及弯曲松动的原因。
Objective: To explore the choice of operative treatment and internal fixation in cervical vertebra instability bending fracture accompanied by cervical spinal cord injuries.
目的：探讨下颈椎不稳定屈曲骨折并颈髓损伤后的手术治疗及内固定选择的适应症。
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