Screws相关论文
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目的 报告C2椎弓根螺钉结合C1侧块或枕骨螺钉用于颅颈交界区后路内固定的解剖研究及临床应用结果.方法 福尔马林固定的头颈标本4个......
目的 评价椎弓根钉道局部强化技术及其结合膨胀式椎弓根螺钉提高椎弓根螺钉固定强度的效果.方法 通过自行设计及加工的钉道局部强......
Purpose: To compare treatment outcome of screw proximal femoral nail (PFN) system with that of a helical PFN.Methods: Th......
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Parallel manipulator is associated with a set of functions defined by its closure constraints. In this paper, using Lie ......

