颈椎三维有限元模型的建立及意义

被引:35
作者
陈伯华J
孙鹏J
Natarajan N
An H
Andersson GB
机构
[1] 青岛大学医学院附属医院骨科
[2] DepartmentofOrthopaedicSurgery
[3] RushPresbyterianSt
[4] Luke′sMedicalCenter
[5] Luke′sMe
关键词
颈椎; 三维有限元模型; 生物力学;
D O I
暂无
中图分类号
R318 [生物医学工程];
学科分类号
0831 ;
摘要
目的 :建立颈椎 (C4~C7)三维有限元模型 ,以期应用于临床实验研究。方法 :根据正常中年女性CT与CT重建片 ,采用CAD数据处理技术 ,输入相关的材料特性 ,构建C4~C7三维有限元模型。模型包括颈C4~C74个椎体、C4 / 5~C6 / 73个椎间盘以及后部结构与主要的 5条韧带。共 2 178个三维固体 2 0节点有限元结构。在1 8Nm作用力下 ,观察节段运动与力 位移反应。对比国内外的实验结果进行检验。结果 :生物力学实验结果与以往实验模型结果基本相符。结论 :所建立的颈椎三节段有限元模型可以模拟颈椎生物力学实验。
引用
收藏
页码:25 / 28
页数:4
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