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Determination of clinical wear in retrieved total hip replacement joints using shadowgraph and co-ordinate measurement methods

Bills, Paul J. and Cunningham, J.L. (2009) Determination of clinical wear in retrieved total hip replacement joints using shadowgraph and co-ordinate measurement methods. In: Internatiional Conference on Bioengineering and Biomaterials, 18 - 20 March 2009, ENSAM, Meknes, Morocco. (Unpublished)

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    Abstract

    Over the last twenty years or so, a number of increasingly complex joint simulators
    have been developed and manufactured to evaluate new designs of total joint replacement. This
    has been in response both to the greater understanding of joint biomechanics and the increase in
    regulatory and pre-clinical testing required by law to ensure patient safety and product reliability.
    Upon simulation of this clinically relevant wear it is important that it can be accurately quantified
    and assessed. Furthermore it is vital to be able to assess whether in vitro produced component
    wear is representative of true clinical wear, in order to audit the capability of the laboratory
    testing to replicate real-world patient relevant conditions. To achieve this methods have been
    developed to accurately quantify in vivo total joint replacement wear from retrieved total hip
    replacement components. This paper explores two methods for determination of such clinical
    wear and discusses the relative advantages of using each. To do this a number of retrieved total
    hip replacement acetabular components were assessed for both volumetric and linear wear using
    previously developed shadowgraph and co-ordinate measurement techniques and the results
    reported and compared.

    Item Type: Conference or Workshop Item (Paper)
    Subjects: Q Science > Q Science (General)
    Schools: School of Computing and Engineering
    School of Computing and Engineering > Centre for Precision Technologies
    School of Computing and Engineering > Centre for Precision Technologies > Surface Metrology Group
    Related URLs:
    Depositing User: Helene Pickles
    Date Deposited: 04 Feb 2010 10:11
    Last Modified: 03 Dec 2010 09:18
    URI: http://eprints.hud.ac.uk/id/eprint/3917

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