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Aseptic loosening of femoral components - materials engineering and design considerations


Citation

Bahraminasab, Marjan and Sahari, Barkawi and Edwards, Kevin L. and Farahmand, Farzam and Arumugam, Manohar (2013) Aseptic loosening of femoral components - materials engineering and design considerations. Materials & Design, 44. pp. 155-163. ISSN 0261-3069

Abstract / Synopsis

Aseptic loosening is one of the main reasons for the revision of a total knee replacement (TKR). The design of the key component of a TKR, the femoral component, is particularly problematic because its failure can be the result of different causes. This makes the development of new biomaterials for use in the femoral component a challenging task. This paper focuses on the engineering design aspects in order to understand the limitations of current materials and design deficiencies. The paper describes the introduction of a new biomaterial for a femoral component and justifies the recommendation to use multi-functional materials as a possible solution to aseptic loosening. The potential advantages of applying functionally graded biomaterials (FGBMs) in prosthetic femur are explained by reducing the leading causes of failure including wear, micro-motion and stress-shielding effect. The ideas presented in this paper can be used as the basis for further research on the feasibility and advantages of applying FGBM in other superior implant designs.


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Additional Metadata

Item Type: Article
Divisions: Faculty of Engineering
Faculty of Medicine and Health Science
Institute of Advanced Technology
DOI Number: https://doi.org/10.1016/j.matdes.2012.07.066
Publisher: Elsevier
Keywords: Knee prosthesis; Biomaterials; Functionally graded materials; Composites; Selection for material properties; Engineering design
Depositing User: Nabilah Mustapa
Date Deposited: 16 Mar 2015 10:31
Last Modified: 24 Aug 2015 10:03
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1016/j.matdes.2012.07.066
URI: http://psasir.upm.edu.my/id/eprint/28766
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