应力屏蔽
假体周围
关节置换术
电磁屏蔽
骨科手术
全髋关节置换术
关节置换术
骨整合
压力(语言学)
假肢
髋关节置换术
计算机科学
医学
外科
材料科学
植入
复合材料
哲学
语言学
作者
Davide Savio,Andrea Bagno
出处
期刊:Processes
[MDPI AG]
日期:2022-03-21
卷期号:10 (3): 612-612
被引量:55
摘要
Total hip arthroplasty is one of the most common and successful orthopedic surgeries. Sometimes, periprosthetic osteolysis occurs associated with the stress-shielding effect: it results in the reduction of bone density, where the femur is not correctly loaded, and in the formation of denser bone, where stresses are confined. This paper illustrates the stress shielding effect as a cause of the failing replacement of the hip joint. An extensive literature survey has been accomplished to describe the phenomenon and identify solutions. The latter refer to the design criteria and the choice of innovative materials/treatments for prosthetic device production. Experimental studies and numerical simulations have been reviewed. The paper includes an introduction to explain the scope; a section illustrating the causes of the stress shielding effect; a section focusing on recent attempts to redefine prosthetic device design criteria, current strategies to improve the osteointegration process, and a number of innovative biomaterials; functionally graded materials are presented in a dedicated section: they allow customizing prosthesis features with respect to the host bone. Conclusions recommend an integrated approach for the production of new prosthetic devices: the “engineering community” has to support the “medical community” to assure an effective translation of research results into clinical practice.
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