关于生物髋关节假体和植入股骨的生物力学行为

R. Aversa, R. Petrescu, A. Apicella, F. Petrescu
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引用次数: 1

摘要

利用特定的分割结合计算机断层扫描和能够代表骨骼生理和结构行为的实体建模工具,开发了具有有限元的生物股骨模型。这些生物有限元模型(FEM)用于评估假体股骨内应力生理分布的变化,并评估活检活检的新设计标准。所提出的信念模式使我们能够充分考虑股骨近端骨骺的非各向同性特征和骨干的各向同性行为,以解释传统关节假体植入后股骨切除后应力分布的关键变化。研究表明,大范围的股骨干完全受到刚性假体的保护,这显著地改变了应力的生理分布,这应该保证健康的生长和骨再生。
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About biological hip joint prostheses and the biomechanical behavior of implanted femur
Biofidel femur Models with finite elements were developed using a specific segmentation combination with computed tomography and solid modeling tools capable of representing bone physiology and structural behavior. These biofidel Finite Element Models (FEM) are used to evaluate the change in the physiological distribution of stress in the prosthesis femur and to evaluate the new design criteria for biopsy biopsy biopsy biopsy. The proposed belief patterns allowed us to adequately take into account the non-isotropic features of the proximal femoral epiphysis and isotropic behavior in diaphysis to explain the critical changes in stress distribution in a femur resected after the implantation of a traditional articular prosthesis. It has been shown that a wide range of femoral diaphyses is completely protected by rigid prostheses that significantly alter the physiological distribution of stress, which should guarantee healthy growth and bone regeneration.
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