Sun, Changning;
Kang, Jianfeng;
Wang, Ling;
Jin, Zhongmin;
Liu, Chaozong;
Li, Dichen;
(2022)
Stress-dependent design and optimization methodology of gradient porous implant and application in femoral stem.
Computer Methods in Biomechanics and Biomedical Engineering
10.1080/10255842.2022.2115291.
(In press).
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Liu_Stress-dependent design and optimization methodology of gradient porous implant and application in femoral stem_AAM.pdf Access restricted to UCL open access staff until 28 August 2023. Download (2MB) |
Abstract
Gradient porous structure made by additive manufacturing (AM) technology is potential to improve the long-term stability of orthopaedic implants through bone ingrowth while maintaining mechanical safety. In this study, a parametrical optimization methodology for the customized gradient porous implants was developed based on a stress-dependent design algorithm. Clinical requirements and manufacturing capabilities of AM were considered in the design procedure. A femoral stem with a minimum bone loss proportion of 2.4% by optimizing the control parameters. This study provided a feasible and flexible design approach for the customized implant with gradient porous structure or material components.
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