首例基于中国可视化人体图像的头颅有限元模型的构建  

Development of the First Head Finite Element Model Based on Chinese Visible Human Data

作　　者：赵辉[1] 陈蓉[2] 尹志勇[1] 张绍祥[3] 王正国[1] 

机构地区：[1]第三军医大学第三附属医院野战外科研究所第四研究室,车辆/生物碰撞安全重庆市市级重点实验室,重庆400042 [2]第三军医大学第三附属医院放射科,重庆400042 [3]第三军医大学基础医学部人体解剖学教研室,重庆400038

出　　处：《生物医学工程学杂志》2010年第4期882-886,共5页Journal of Biomedical Engineering

基　　金：973前期研究专项基金资助项目(2007CB516704);国家“863”计划项目资助(2006AA01Z310);国家自然科学基金资助项目(30800243,60771025,30670513)

摘　　要：用第二例中国可视化人体(CVH)数据集,通过三维图像重建、头颅实体模型重建、有限元(FE)模型网格划分、头颅FE模型装配等步骤构建国人头颅三维FE模型。所构建的高精度头颅FE模型包括脑颅、颌面骨、下颌骨、大脑镰、大脑、小脑和脑干等结构。模型节点数和单元数分别为31 223和119 911,所有单元均为实体单元,网格质量单元的几项主要指标满足工程要求。所构建头颅三维FE模型与人体头颅解剖结构基本一致,在颅底以及面颅部位的精确性优于目前所报道的基于CT/MRI图像的头颅FE模型。基于CVH图像的国人头颅FE模型的构建是CVH数据集应用领域又一拓展。The second Chinese visible human（CVH） data has been used to build a more precise finite element model of Chinese head via 3-D image reconstruction,solid model reconstruction,finite element meshing,and assembling of finite element model.This second case of finite element model of Chinese head contains skull,facial bones,inferior maxilla,cerebral falx,brain,cerebellum brainstem,and so on. All the mesh elements,according to their main quality check results in line with the engineering requirements,were identified as solid elements,and the numbers of nodes and elements were determined to be 31 223 and 19 911 respectively.The model is coincident with the anatomy of human head;and its accuracy in some region,especially in fundus cranii and fundus cranii,is more excellent than that of the other models based on CT/MRI.The development of the first head finite element model based on CVH data has brought on a remarkable progress in the application of CVH platform.

关 键 词：有限元 模型 中国可视化人体 损伤生物力学 解剖结构 

分 类 号：R318.01[医药卫生—生物医学工程]