目的：设计一种复位固定一体化的新型寰枢椎复位内固定器，并探讨其可行性。
Objective: to design a new device of atlantoaxial reduction and the internal fixation and explore its applied feasibility.
目的：为临床上行前路经枢椎体至寰椎侧块螺钉内固定提供实验依据。
Objective: To provide anatomical data for anterior approach screw fixation through C2 vertebral body to C1 lateral mass.
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