Finite Element Study of Biomechanical Changes After Unilateral Hemilamina and Facet Joint Resection of Cervical Spine
研究概览
详细说明
The finite element method was used to simulate unilateral hemilaminectomy of cervical spine and different degrees of facet joint resection, and the range of motion and the stress changes of ligaments, intervertebral discs and endplates were calculated immediately after the operation.
Finite element method was used to simulate unilateral hemilaminectomy of cervical spine and facet joint resection of different degrees, and the range of motion and the stress changes of ligament, intervertebral disc and endplate were calculated immediately after operation.
Study Design:
This study is a retrospective and general observational study.In this study, a young patient who was hospitalized in the Neurosurgery Department of the Third Hospital of Beijing University of Medicine and had undergone CT examination of cervical vertebra was selected. The patient had no cervical bony deformity, no cervical degeneration, and no history of trauma.
CT imaging data were collected, and a three-dimensional finite element model of C2-T1 segment of human cervical spine was established by finite element software. On the basis of this model, two and three levels of unilateral hemilamina and different degrees of facet joint resection were simulated.The lower end of the T1 vertebral body was fixed as the boundary condition, and three loading modes were adopted, namely, 2.0nm pure torque was applied to the upper surface of the C2 vertebral body along the sagittal plane, coronal plane and axial plane, respectively.The range of motion between vertebral segments was calculated and compared in different lamina surgical models. The tension of ligaments, the pressure of endplates and the pressure of intervertebral discs were obtained by finite element post-processing
研究类型
注册 (预期的)
联系人和位置
学习联系方式
- 姓名:Zhen-Yu Wang
- 电话号码:+86 136 2134 9770
- 邮箱:wzyu502@163.com
学习地点
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Beijing
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Beijing、Beijing、中国、100191
- 招聘中
- Peking University Third Hospital
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接触:
- Zhen-Yu Wang
- 电话号码:+86 136 2134 9770
- 邮箱:wzyu502@163.com
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-
参与标准
资格标准
适合学习的年龄
接受健康志愿者
有资格学习的性别
取样方法
研究人群
描述
Inclusion Criteria:
A young patient hospitalized in the Department of Neurosurgery of the Third Hospital of Beijing University of Medicine underwent CT examination of cervical vertebrae.
Exclusion Criteria:
Cervical bony deformity Cervical degeneration History of trauma
学习计划
研究是如何设计的?
设计细节
队列和干预
团体/队列 |
干预/治疗 |
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Study object
A young patient hospitalized in the Department of Neurosurgery of the Third Hospital of Beijing University of Medicine underwent CT examination of cervical vertebrae.
The patient had no cervical bony deformity, no cervical degeneration, and no history of trauma
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Hospitalization
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研究衡量的是什么?
主要结果指标
结果测量 |
措施说明 |
大体时间 |
---|---|---|
Verification of the model
大体时间:Through study completion, an average of 1 year
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In this study, the pure torque of 2.0Nm was applied to the upper surface of C2 vertebral body along the 1, 2 and 3 coordinates according to the right hand helical rule to generate the corresponding pure torque in the sagittal plane, coronal plane and axial plane, and to simulate the cervical spine flexion and extension, lateral bending and left-right rotation in real life
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Through study completion, an average of 1 year
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合作者和调查者
调查人员
- 学习椅:Zhen-Yu Wang、Peking University Third Hospital
- 研究主任:Qi-Guo Rong、Peking University
研究记录日期
研究主要日期
学习开始 (实际的)
初级完成 (预期的)
研究完成 (预期的)
研究注册日期
首次提交
首先提交符合 QC 标准的
首次发布 (实际的)
研究记录更新
最后更新发布 (实际的)
上次提交的符合 QC 标准的更新
最后验证
更多信息
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