板-棒-多轴螺钉系统后路枕颈固定安全可靠，取得了满意的临床疗效。
These initial data indicate that posterior occipitocervical fixation using plate-rod-polyaxial screw system is safe and reliable, and satisfactory clinical outcome can be obtained.
报道板-棒-多轴螺钉系统后路枕颈固定的初步疗效，探讨与其它内固定比较的优势。
To report the initial outcomes of occipitocervical fixation using plate-rod-polyaxial screw system and investigate whether this new system offers any advantage over other existing methods of fixation.
研究目的本研究旨在为临床枕颈融合术寻找一种新的理想的手术内固定方法。
This study is designed to find a new and more ideal internal fixation technique for clinical occipitocervical arthrodesis.
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