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Volume 19, Issue 7
  • ISSN: 1872-2121
  • E-ISSN: 2212-4047

Abstract

Background

Hip suffering is a serious concern for human health, which may be caused by arthritis, accidents, and childhood disorders; hence, man-made joints are the only option for restoring the function of natural hips and ensuring a comfortable life. To design an effective hip joint is a challenging task; there are myriads of novel designs continuously patented over the last two decades.

Methods

The finite element approach was utilized in this extensive investigation to assess self-mated polymer-based biomaterials (PTFE, UHMWPE, and PEEK) with different boundary conditions. The numerical analysis was performed to find the stress intensity and deflection of the femoral head and the acetabular components; the evaluation was done critically with a 10-node quadratic tetrahedron element and different mesh intensities.

Results

The detailed outcome showcases that the bare PEEK mated GO-PEEK has good load resistance and is affected by minimum stress and deflection, which is quantified at 20.89% less than the PTFE with GO-PEEK (M3) combination. This stress and deflection are quite higher than those of metal implants (Ti6Al4V) but comparatively more prominent materials for human cortical bone.

Conclusion

This investigation proved the polymer-on-polymer combination effectively eliminates stress shielding and metal ion emission, reducing revision surgery and elevating implant longevity. Therefore, it was identified that PEEK-based polymer composites are the best-suited alternative substance for hip repair applications.

© 2025 Bentham Science Publishers
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2024-10-14
2025-06-26

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/content/journals/eng/10.2174/0118722121315250240822091850
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Numerical Investigation of Polymer-based Biomaterials for Artificial Hip Joint with Diverse Boundary Conditions
Recent Pat Eng 19, E18722121315250 (2025); https://doi.org/10.2174/0118722121315250240822091850
/content/journals/eng/10.2174/0118722121315250240822091850
/content/journals/eng/10.2174/0118722121315250240822091850
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  • Article Type:     Research Article
Keyword(s): artificial joints; Biomaterials; composites; finite element method; hip joint; polymer implants

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