高氮无镍不锈钢接骨板的轻量化设计及生物力学研究：厚度减薄的影响
作者简介 任伊宾,男,1975年生,副研究员,博士
收稿日期: 2017-06-16
网络出版日期: 2017-07-24
基金资助
国家自然科学基金项目No.31370976
Study on Lightweight Design and Biomechanical Property of High Nitrogen Nickel Free Stainless Steel Plate: Effect of Thickness Thinning
Received date: 2017-06-16
Online published: 2017-07-24
Supported by
Supported by National Natural Science Foundation of China (No.31370976)
任伊宾 , 赵浩川 , 杨柯 . 高氮无镍不锈钢接骨板的轻量化设计及生物力学研究：厚度减薄的影响[J]. 金属学报, 2017 , 53(10) : 1331 -1336 . DOI: 10.11900/0412.1961.2017.00233
High nitrogen nickel free stainless steel (HNNFSS) has begun to be used in clinic, which possesses excellent mechanical properties, corrosion resistance and biocompatibility. Especially its strength is two times more than that of the conventional 316L stainless steel, but this advantage is not fully used in optimization of both the structure and the size of the implant devices. In this work, the effect of thickness change of HNNFSS bone plate on the biomechanical behavior of bone plate was studied by means of finite element analysis. The result showed that the resistances to bending, tension and compression of HNNFSS plate are all better than those of 316L plate when its thickness is thinned less than 18%. The internal fixation of the lightweight HNNFSS plate was also studied by a 12 weeks rabbit femur fracture model and the result showed that the HNNFSS plate with about 14% thickness thinning could promote the healing and reconstruction of bone fracture of rabbit femur in comparison with 316L plate.
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