PMID: 11323978Apr 28, 2001Paper

Fluid absorption study in ultra-high molecular weight polyethylene (UHMWPE) sterilized and unsterilized acetabular cups

Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
S AffatatoA Toni

Abstract

The weight gain due to fluid absorption was measured in gamma-sterilized, ethylene oxide (ETO) gas-sterilized, and unsterilized ultra-high molecular weight (UHMW) polyethylene acetabular cups. After about 2 months the total average fluid absorption gain of the polyethylene cups was: 1.76 +/- 0.45 mg (average +/- standard deviation) for the unsterilized polyethylene cups, 2.81 +/- 0.95 mg for the gamma-sterilized polyethylene cups and 1.51 +/- 0.34 for the ETO gas-sterilized polyethylene cups. There was little difference in fluid absorption between the sterilized and unsterilized specimens. In particular, the gamma-sterilized acetabular cups absorbed more than the ETO gas-sterilized and the unsterilized cups. However, the weight gain was higher in serum compared with that in water.

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Citations

Sep 16, 2010·Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine·M SpinelliJ D DesJardins
Feb 19, 2016·Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine·Danielle de Villiers, Julia C Shelton
Jan 10, 2009·Artificial Organs·Saverio AffatatoMarco Viceconti
May 11, 2016·Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine·Murat AliLouise M Jennings
Oct 6, 2009·Journal of Biomedical Materials Research. Part B, Applied Biomaterials·Paul A WilliamsIan C Clarke
May 24, 2020·Materials·Saverio AffatatoSilvia Logozzo
Dec 17, 2014·International Orthopaedics·Sami Abdel JaberSaverio Affatato
Aug 2, 2008·Journal of Biomedical Materials Research. Part a·A JedenmalmM Viceconti

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