2018•PubMedRequires access
[Feasibility of screw placement on posterior occipital condyle assisted by occipital tangent angulation].
Zhenqi Lou, Dingli Xu, Y Wang, W H, G.Q. Li, Chaoyue Ruan, Huaguo Zhao
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Abstract
The occipital tangent angle can be measured directly in the process of posterior occipital condyle screw insertion to guide occipital condylar screw insertion, and the self-made occipital condylar screw placement device can effectively combine the three parameters: occipital tangent angle, head inclination angle and insertion point, which can improve the safety of posterior occipital condylar screw insertion.