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    Rights statement: © 2012 Bhattacharya et al; licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Comparison of cement pressurisation in flanged and unflanged acetabular cups

Research output: Contribution to journalJournal article

Published
  • Rajarshi Bhattacharya
  • Fahad G. Attar
  • Sarah Green
  • Andrew Port
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Article number5
<mark>Journal publication date</mark>3/02/2012
<mark>Journal</mark>Journal of Orthopaedic Surgery and Research
Issue number1
Volume7
Number of pages5
<mark>State</mark>Published
<mark>Original language</mark>English

Abstract

Background
This biomechanical study examined difference in cement pressures generated by flanged and unflanged acetabular cups in hip arthroplasty.

Method
Using a model acetabulum, cement was inserted and pressurised followed by cup insertion and pressurisation. Pressures were recorded using transducers in the acetabulum. We compared Charnley Ogee (flanged), Exeter contemporary (flanged) and Exeter low profile (unflanged) cups using Simplex and CMW1 cements in turn.

Results
Using Simplex, Charnley Ogee cup generated highest initial peak pressure and overall mean pressure. Exeter unflanged cup generated higher initial and mean pressures compared to Exeter flanged cup. With CMW, there was no significant difference between the pressures generated by the cups.

Conclusions
Our experiment suggests that flanged cups do not consistently generate significantly higher cement pressures compared to unflanged cups.

Background

Bibliographic note

© 2012 Bhattacharya et al; licensee BioMed Central Ltd.
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.