以建立椎动脉型颈椎病 vertebro-arterial cervical spondylosis
目的建立新型寰枢椎复位内固定器的三维有限元模型，并对其进行生物力学分析。
ObjectiveTo establish a three-dimensional finite element model and make mechanical analysis of "v" -type atlantoaxial reduction and internal fixation.
所有大鼠首先行蛛网膜下腔置管，然后在相当于T8椎板水平用做好标记的显微剪刀剪断脊髓的背侧2/3，建立大鼠皮质脊髓束横断损伤模型。
All rats first line of subarachnoid catheter, then the equivalent of T8 vertebral level and marked with micro scissors cut the spinal cord dorsal 2/3 rat corticospinal tract transection injury model.
结论山羊椎间盘组织学结构特点与人类相似，通过椎体前路钢板加压的方法可以建立羊的椎间盘退变模型。
Conclusions The structure and histology of sheep is similar to humans, anterior lumbar interbody fixation with plate can induce construction of goal model of intervertebral disc degeneration.
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