Wang Fang-Jun, Wei Wei, Liao Sheng-Hui, Ren Hong-Yu, Fan Bing-Hua
Zhongguo Gu Shang. 2014 Jul;27(7):592-6.
To analyze the data of angle variation on traction based on a finite element model of complete cervical spine with straight physiological curvature, and try to give experimental reference and suggestion in treating cervical spondylosis.
A 43-year-old female patient with straight cervical spine was chosen and the CT scan data were collected. By using specially designed modeling system, a high quality finite element model of complete cervical spine with straight physiological curvature is generated,which included ligament and muscle according to anatomy. After the model was confirmed, traction was loaded with angle 0 degree, anterior 5 degrees, 10 degrees, 15 degrees, 20 degrees, 25 degrees, to observe the data of distance change on between adjacent intervertebral foramen, processus articularis, uncovertedral joint, intervertebral discs, and stress of anulus fibrosus and nucleus pulposus.
When the angle was 0 degrees-15 degrees, the distance between intervertebral foramen, Luschka joint and processus articularis posterioris was enlarged, the tensile stress was adequate and compressive stress was small. It met the clinical requests.
0 degree-15 degrees anterior position is suggested for the treatment of cervical spondylosis.
基于具有生理曲度变直的完整颈椎有限元模型，分析牵引角度变化的数据，并尝试为颈椎病治疗提供实验参考和建议。
选取一名43岁颈椎生理曲度变直的女性患者，收集其CT扫描数据。利用专门设计的建模系统，生成一个高质量的具有生理曲度变直的完整颈椎有限元模型，该模型根据解剖结构包含韧带和肌肉。模型确认后，分别加载0度、前屈5度、10度、15度、20度、25度的牵引角度，观察相邻椎间孔、关节突、钩椎关节、椎间盘之间的距离变化数据以及纤维环和髓核的应力。
当角度为0度至15度时，椎间孔、钩椎关节和关节突后缘之间的距离增大，拉伸应力合适且压缩应力较小，符合临床要求。
建议颈椎病治疗采用前屈0度至15度的牵引角度。
