大粗隆延长截骨在髋翻修手术中可以帮助充分暴露术野，取出固定良好的骨水泥和非骨水泥股骨柄，同时截骨愈合良好。
Extended trochanteric osteotomy is useful in hip joint revision. After osteotomy femoral prosthesis and cement could be taken out easily, and the osteotomy site could be healed easily.
目的研究骨水泥假体柄与股骨界面应力传递的力学模型。
Objective To study the modeling stress transfer at the interface of cemented prosthesis and femur.
目的建立人工髋关节置换术后的三维有限元模型，分析研究人工股骨柄、骨水泥和人体股骨的应力分布。
Objective a three dimensional finite element model after total hip replacement was established to analytically study the stress distribution of the artificial stem, bone cement and human femur.
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