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Ultra-long-term knee wear testing: an in-silico perspective

Strickland, Michael A., Knight, L.A. and Taylor, Mark (2010) Ultra-long-term knee wear testing: an in-silico perspective At 17th Congress of the European Society of Biomechanics, United Kingdom. 1 pp.

Record type: Conference or Workshop Item (Poster)

Abstract

Wear is one of the many factors which concern total knee replacement (TKR) designers. With younger patients & increasing life expectancy, new TKR designs face a longer service life[1]. This has implications for conventional wear testing, typical in-vitro tests of 10 million cycles (MCycles) may represent only a fraction of this extended lifespan. Ultra-long term wear tests may reveal the extent to which TKR mechanics adapt over time; e.g. kinematics, contact area (CA), contact pressure (CP) and cross-shear (CS). It is unclear to what extent this long-term adaptation would be dependent on the test design (e.g. control method or input waveforms), as well as implant geometry. A 50MCycle test would take >1year to run in-vitro; hence in-silico methods offer a valuable complementary ‘screening tool’, to determine whether such ultra-long-term tests would be justified

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More information

Published date: July 2010
Venue - Dates: 17th Congress of the European Society of Biomechanics, United Kingdom, 2010-07-01
Organisations: Bioengineering Group

Identifiers

Local EPrints ID: 202761
URI: http://eprints.soton.ac.uk/id/eprint/202761
PURE UUID: 9f3c2195-cee5-4994-b30c-1abdf7c0d208

Catalogue record

Date deposited: 09 Nov 2011 14:11
Last modified: 18 Jul 2017 11:10

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Contributors

Author: Michael A. Strickland
Author: L.A. Knight
Author: Mark Taylor

University divisions

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