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J Arthroplasty. 2008 Oct;23(7):1071-3. doi: 10.1016/j.arth.2008.04.006. Epub 2008 Jun 13.

A novel technique for the removal of well-fixed cementless, large-diameter metal-on-metal acetabular components.

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Orthopaedic Department, The Royal Bournemouth and Christchurch Hospitals NHS Foundation Trust, Bournemouth, Dorset, UK.


Removing well-fixed cementless acetabular components can be a challenge for every orthopedic surgeon involved in revision hip arthroplasty. Forceful removal of such components often leads to acetabular bone loss and compromises reimplantation of a new socket. Instruments like the Explant Acetabular Cup Removal System (Zimmer, Warsaw, Ind) are developed to avoid such issues. We report a novel technique, cementing a polyethylene liner inside the uncemented metal-on-metal shell and using systems such as the Explant to safely extract it without the need for matching large-diameter heads. We successfully used this technique on 3 occasions and recommend its use.

[Indexed for MEDLINE]

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