PMID: 15343544Sep 3, 2004Paper

Early tibial tray failure of a Duracon knee with retrieval analysis

The Journal of Arthroplasty
Ta-Feng HoMing-Chou Ku

Abstract

We report a case of early tibial tray fracture of a Duracon knee prosthesis. Aside from the clinical, radiographic, and gross analysis of the failed prosthesis, we also performed analysis on the retrieved polyethylene component and the fractured tibial baseplate. In the analyses, we noted significant femoral component malalignment, uneven tray cementation, and inherent metallurgical weakness. It appears that the high compressive load on the medial tray resulted in bending fatigue failure. To avoid this complication, it is important to restore the normal alignment of the knee joint and use a polyethylene insert of higher conformity, at least 6 mm thick.

References

Nov 1, 1990·Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society·J J JacobsS J Veeck
Jan 1, 1989·The Journal of Arthroplasty·I A GradisarM J Askew
Sep 1, 1983·Journal of Biomedical Materials Research·R W HoodA H Burstein
Jan 1, 1994·Archives of Orthopaedic and Trauma Surgery·M MaruyamaT Fukuzawa

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Citations

Apr 20, 2005·European Journal of Radiology·Theodore T Miller
Apr 9, 2013·International Journal of Surgery Case Reports·Barry J O'NeillJohn P McElwain
Jun 9, 2017·Case Reports in Orthopedics·Kazuaki MinetaKoichi Sairyo

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