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。
2
Posterior interbody fusion and RF pedicle screwspinal 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。
3
Conclusion RF pedicle screwspinal system provide fixation with satisfactory clinical results and relatively high fusion rate.