基于逆向工程/正向设计的三维重建金属对金属全髋表面置换假体  

Reconstruction of a metal on metal hip surface replacement prosthesis based on reverse engineering/forward design

作　　者：刘登均[1] 李鉴轶[2] 贺小兵[1] 殷浩[1] 冉广文[1] 李争艳[1] 李奇[3] 林荔军[3] 

机构地区：[1]重庆市涪陵中心医院骨科,重庆市408000 [2]南方医科大学生物力学实验室/广东省医学生物力学重点实验室,广东省广州市510515 [3]南方医科大学珠江医院骨科中心,广东省广州市510282

出　　处：《中国组织工程研究与临床康复》2011年第43期8055-8058,共4页Journal of Clinical Rehabilitative Tissue Engineering Research

摘　　要：背景:全髋关节表面置换在进行假体装配中,需要与实体绝对匹配的3D模型。目的:通过逆向工程/逆向设计技术三维重建金属对金属全髋表面置换假体。方法:基于三维激光扫描仪所得假体的点云文件,Geomagic软件和3dsmax软件再分别进行点云拼接、3D还原、特征提取从而得到全髋表面置换假体的三维可视化结构。结果与结论:逆向工程/正向设计技术能还原假体的三维形态,可真实再现髋臼假体和股骨假体的结构。提示根据逆向工程/正向设计软件系统能准确重建金属对金属全髋表面置换假体。BACKGROUND： During the prosthesis assembly, an absolutely matched three-dimensional model is required. OBJECTIVE： Through the exploration of reverse engineering/forward design technique to find a fast and accurate method for reconstruction of a three-dimensional model of hip surface replacement prosthesis. METHODS： Based on point cloud file from the three-dimensional laser scanner, proximal femur component, acetabular component were reconstructed by the Geomagic and 3ds max software. RESULTS AND CONCLUSION： The three-dimensional reconstruction distinctly displayed the structures of acetabulum and proximal femur component. Geomagic and 3ds max software according to the original three-dimensional laser scanner point cloud file can accurately perform reconstruction of hip surface replacement prosthesis, and provide a technical support for virtual surgery and personalized prosthesis design.

关 键 词：激光扫描 逆向工程 正向设计 全髋表面置换 数字化骨科技术 

分 类 号：R318[医药卫生—生物医学工程]