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Retrieval analysis of a failed TriboFit polycarbonate urethane acetabular buffer.

Leela C Biant1, Trevor C Gascoyne2, Eric R Bohm3

  • 1The Royal Infirmary of Edinburgh, Edinburgh, UK leela.biant@luht.scot.nhs.uk.

Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
|February 3, 2016
PubMed
Summary

Direct implantation of the TriboFit acetabular buffer caused severe backside abrasion and articular surface stippling. This indicates adhesive wear and excessive buffer movement against the native acetabulum, leading to implant failure.

Keywords:
Hip prosthesesabrasive wearbiomaterialsjoint prostheticspolymers

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