國家衛生研究院 NHRI:Item 3990099045/10892
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    題名: Rapid analyses of polyetheretherketone wear characteristics by accelerated wear testing with microfabricated surfaces for artificial joint systems
    作者: Su, CY;Kuo, CW;Fang, HW
    貢獻者: Institute of Biomedical Engineering and Nanomedicine
    摘要: Wear particle-induced biological responses are the major factors resulting in the loosening and then failure of total joint arthroplasties. It is feasible to improve the lubrication and reduce the wear of artificial joint system. Polyetheretherketone (PEEK) is considered as a potential bearing material due to its mechanical characteristics of resistance to fatigue strain. The PEEK wear particles have been indicated to be involved in biological responses in vitro, and further studies regarding the wear phenomena and wear particle generation are needed. In this study, we have established an accelerated wear testing system with microfabricated surfaces. Various contact pressures and lubricants have been utilized in the accelerated wear tests. Our results showed that increasing contact pressure resulted in an increase of wear particle sizes and wear rate, and the size of PEEK wear particles can be controlled by the feature size of microfabricated surfaces. These results provided the information rapidly about factors that affect the morphology and amount of PEEK wear particles and can be applied in the future for application of PEEK on the biological articulation system.
    日期: 2017-11-02
    關聯: BioMed Research International. 2017 Nov 2;2017:Article number 5979564.
    Link to: http://dx.doi.org/10.1155/2017/5979564
    Cited Times(WOS): https://www.webofscience.com/wos/woscc/full-record/WOS:000414294100001
    Cited Times(Scopus): https://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85042078310
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