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The Effect of Stem Design on the Prevalence of Squeaking Following Ceramic-on-Ceramic Bearing Total Hip Arthroplasty by Camilo Restrepo, Zachary D. Post,

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Presentation on theme: "The Effect of Stem Design on the Prevalence of Squeaking Following Ceramic-on-Ceramic Bearing Total Hip Arthroplasty by Camilo Restrepo, Zachary D. Post,"— Presentation transcript:

1 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):550-557 March 1, 2010 ©2010 by The Journal of Bone and Joint Surgery, Inc.

2 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.

3 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.

4 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.

5 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.

6 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.


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