JBJS, October 1, 2007, Volume 89, Issue 10

Failure at the Taper Lock of a Modular Stemmed Femoral Implant in Revision Knee Arthroplasty

Paul S. Issack, MD, PhD Jocelyn M. Cottrell, BS Samuel Delgado Timothy M. Wright, PhD Thomas P. Sculco, MD Edwin P. Su, MD

Knee

The Optetrak total knee arthroplasty system (Exactech, Gainesville, Florida) is the fifth in a series of total knee arthroplasty designs developed at the Hospital for Special Surgery1-3. The Optetrak implant retains the design concepts of the previous posterior stabilized Insall-Burstein-I (IB-I PS; Johnson and Johnson, Braintree, Massachusetts; Zimmer, Warsaw, Indiana) and Insall-Burstein-II (IB-II PS; Zimmer) posterior stabilized total knee implants2,4-7.

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