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 AmVolume 92(3):550-557
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;92:550-557
©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;92:550-557
©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;92:550-557
©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;92:550-557
©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;92:550-557
©2010 by The Journal of Bone and Joint Surgery, Inc.