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).

Text 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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