SYMPOSIA PAPER Published: 29 January 2016
STP159120140123

Validation of an Optical Coordinate Measuring Machine for the Measurement of Wear at the Taper Interface in Total Hip Replacement

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If the factors affecting taper performance are to be studied, accurate and validated volumetric values of loss are important to contextualize the importance of taper damage. This study validates the volumetric loss values from the RedLux™ optical coordinate measuring machine, the sensitivity of the technique to the point-cloud density and the repeatability of the technique. The limits of agreement (95 %) between the optical coordinate measuring machines and the gravimetric values are 0.0416 mm3 and 0.173 mm3. The average measured angle was assessed against a calibrated taper and shown to be within 0.0024°.

Author Information

Cook, R., B.
National Centre for Advanced Tribology at Southampton, Southampton, GB
Maul, C.
RedLux Ltd, Southampton, GB
Strickland, A., M.
RedLux Ltd, Southampton, GB
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Details
Developed by Committee: F04
Pages: 362–378
DOI: 10.1520/STP159120140123
ISBN-EB: 978-0-8031-7628-7
ISBN-13: 978-0-8031-7627-0