摘要
本文建立了不同颈干角和前倾角的置换后有骨盆髋关节模型,通过数值模拟分析了颈干角和前倾角的变化对置换后髋关节各部分应力分布规律的影响.通过对不同颈干角和前倾角的髋关节模型进行数值模拟,发现随着髋关节模型颈干角和前倾角的改变,股骨和假体柄上的最大应力值及位置也会随之改变且呈现一定的规律性,说明颈干角和前倾角也是影响髋关节应力分布及应力值大小的重要因素.
The models of hip joint after replacement established with pelvic and different femoral neck angles and anteversions were to analyze the laws of stress distribution by numerical simulation. It could be found that with the femoral neck angle and anteversion changes,the maximum stress value and position on the femur and prosthesis changed as well and show regularity. It demonstrated that the femoral neck angle and anteversion are also important factors to the stress value and stress distribution on the hip joint.
作者
曹照华
董黎敏
叶金铎
刘念
陈伟
CAO Zhao-hua;DONG Lin-min;YE Jin-duo;LIU Nian;CHEN Wei(School of Mechanical Engineering, Tianjin Key Laboratory for Advacced Mechatronie Design and Intelligent Control National Demonstration Center for Experimental Mechanical and Electrical Engineering Education, Tianjin University of Technology, Tianjin 300384, China;Tianjin Just Huajian Medical Instrument Co., Ltd, Tianjin 300113, China)
出处
《天津理工大学学报》
2018年第2期12-17,共6页
Journal of Tianjin University of Technology
基金
国家自然科学基金(11372221)
天津市科技特派员项目(16JCTPJC49900)
关键词
颈干角
前倾角
数值模拟
应力分布
femoral neck angle
femoral anteversion
numerical simulation
stress distribution
