Because the internal fixation has become more and more important in spinal surgery, this paper focuses therefore on the pedicle screw placement in spinal surgery.
本文主要侧重介绍椎弓根螺钉的置入，因为内固定正成为脊柱手术中越来越重要的一部分。
Posterior interbody fusion and RF pedicle screw spinal system provide fixation with satisfactory clinical results and relatively high fusion rate.
经后路采用RF椎弓根螺钉系统能使腰椎滑脱得到较为确实的复位和固定，脊柱融合率高，临床效果满意。
Conclusion RF pedicle screw spinal system provide fixation with satisfactory clinical results and relatively high fusion rate.
结论RF椎弓根螺钉系统能使腰椎滑脱得到较为确实的复位和固定，脊柱融合率高，临床效果满意。
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