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Stress-dependent design and optimization methodology of gradient porous implant and application in femoral stem



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

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    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.

    Type: Article

    Title: Stress-dependent design and optimization methodology of gradient porous implant and application in femoral stem
    Location: England
    DOI: 10.1080/10255842.2022.2115291
    Publisher version: https://doi.org/10.1080/10255842.2022.2115291
    Language: English
    Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
    Keywords: Gradient porous implant, elastic modulus, finite element analysis, customized implant, additive manufacturing
    UCL classification: UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences
    UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences > Div of Surgery and Interventional Sci > Department of Ortho and MSK Science
    UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
    UCL
    UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences > Div of Surgery and Interventional Sci
    URI: https://discovery.ucl.ac.uk/id/eprint/10156445

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