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Component Size Mismatch Of Metal On Metal Hip Arthroplasty: An Avoidable Never Event

Whittaker, Robert, Hothi, Harry, Hexter, Adam, Henckel, Johann, Panagiotidou, Anna, Bills, Paul J., Blunn, Gordon, Skinner, John and Hart, Alister (2014) Component Size Mismatch Of Metal On Metal Hip Arthroplasty: An Avoidable Never Event. In: 15th European Federation of National Associations of Orthopaedics and Traumatology (EFORT) Congress, 4-6 June 2014, London, UK. (Submitted)

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Abstract

Recent advances in hip replacement design, in particular the trend towards greater modularity in hip systems, have increased the risk of component size mismatch (CSM). CSM occurs when incorrectly sized femoral heads and acetabular cups are coupled together or when the dimensions of the paired stem trunnion and head differ to that intended by the manufacturer.

CSM is a serious, preventable patient safety incident of which the true prevalence is unknown as many cases are not detected. Retrieval analysis of failed MOM hip implants may offer a better understanding of how often CSM occurs and how it affects the integrity of the implant.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: MOM, Size Mismatch, Retrieval Analysis, Failure, Hip Implant
Subjects: R Medicine > R Medicine (General)
T Technology > TJ Mechanical engineering and machinery
Schools: School of Computing and Engineering > Centre for Precision Technologies > EPSRC Centre for Innovative Manufacturing in Advanced Metrology
School of Computing and Engineering > Centre for Precision Technologies > Surface Metrology Group
School of Computing and Engineering
Related URLs:
Depositing User: Paul Bills
Date Deposited: 08 Jul 2014 12:34
Last Modified: 08 Jul 2014 12:34
URI: http://eprints.hud.ac.uk/id/eprint/21041

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