The Effect of Stem Design on the Prevalence of Squeaking Following Ceramic-on-Ceramic Bearing Total Hip Arthroplasty by Camilo Restrepo, Zachary D. Post, Brandon Kai, and William J. Hozack J Bone Joint Surg Am Volume 92(3): March 1, 2010 ©2010 by The Journal of Bone and Joint Surgery, Inc.
The Omnifit stem, made of titanium-aluminum-vanadium alloy. Camilo Restrepo et al. J Bone Joint Surg Am 2010;92: ©2010 by The Journal of Bone and Joint Surgery, Inc.
The Trident cup is made of titanium-aluminum-vanadium alloy and accepts a ceramic liner within a commercially pure titanium sleeve. Camilo Restrepo et al. J Bone Joint Surg Am 2010;92: ©2010 by The Journal of Bone and Joint Surgery, Inc.
The Accolade stem is made of a titanium-molybdenum-zirconium-iron alloy. Camilo Restrepo et al. J Bone Joint Surg Am 2010;92: ©2010 by The Journal of Bone and Joint Surgery, Inc.
Close-up photograph showing the neck geometry of the Omnifit (A) on the left and the Accolade (B) on the right. Camilo Restrepo et al. J Bone Joint Surg Am 2010;92: ©2010 by The Journal of Bone and Joint Surgery, Inc.
A: Photograph showing stripe wear on an explanted alumina ceramic head. Camilo Restrepo et al. J Bone Joint Surg Am 2010;92: ©2010 by The Journal of Bone and Joint Surgery, Inc.