| Summary: | Revision of a failed acetabular component in the presence of an intact femoral prosthesis comprises approximately 20% of revision total hip replacements performed by the senior author. During this procedure, the femoral trunnion is at risk of damage because of scratching from retractors, reamers, or other instruments. Scratching can result in mechanically assisted crevice corrosion or adverse local-tissue reaction or trunnionosis leading to implant failure. We have used a variety of techniques for protection of the femoral taper over the last 30 years. We describe our current method of taper protection, using a cut segment of #5 silicon laryngeal airway, which is a simple and effective method.
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