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Case Reports in Orthopedics
Volume 2015 (2015), Article ID 485729, 3 pages
Case Report

Revision of a Fractured Uncemented Revision Stem Using a Custom Designed Punch and Retrograde Through-Knee Approach

Addenbrooke’s Hospital, Cambridge Hospitals NHS Foundation Trust, Cambridge CB2 0QQ, UK

Received 25 June 2014; Accepted 21 January 2015

Academic Editor: Matteo Cadossi

Copyright © 2015 P. J. Nasr and G. S. Keene. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


We report a unique case of a fractured modular cobalt chromium connection taper Revitan (Zimmer, Warsaw, IN) revision prosthesis. Macroscopic examination revealed a fracture at the diaphyseal-metaphyseal junction of this modular component. This report highlights that fractures can still occur with modern modular prostheses. We are not aware of any published failures of the Revitan revision prosthesis. We also describe a unique method of retrieval for a broken well fixed uncemented femoral stem, using a custom designed extraction instrument via a through-knee approach.