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Characterization and Comparison of Wear Debris from Failed Total Hip Implants of Different Types* by KAZUO HIRAKAWA, THOMAS W. BAUER, BERNARD N. STULBERG,

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Presentation on theme: "Characterization and Comparison of Wear Debris from Failed Total Hip Implants of Different Types* by KAZUO HIRAKAWA, THOMAS W. BAUER, BERNARD N. STULBERG,"— Presentation transcript:

1 Characterization and Comparison of Wear Debris from Failed Total Hip Implants of Different Types* by KAZUO HIRAKAWA, THOMAS W. BAUER, BERNARD N. STULBERG, ALAN H. WILDE, and MICHELLE SECIC J Bone Joint Surg Am Volume 78(8):1235-43 August 1, 1996 ©1996 by The Journal of Bone and Joint Surgery, Inc.

2 Figs. 1-A and 1-B: Specimen from Group 4 (implants that were made of only titanium alloy). KAZUO HIRAKAWA et al. J Bone Joint Surg Am 1996;78:1235-43 ©1996 by The Journal of Bone and Joint Surgery, Inc.

3 Energy-dispersive x-ray spectroscopy study confirming the titanium composition of most particles. KAZUO HIRAKAWA et al. J Bone Joint Surg Am 1996;78:1235-43 ©1996 by The Journal of Bone and Joint Surgery, Inc.

4 Figs. 2-A and 2-B: Specimen from Group 2 (implants that were made of only cobalt-chromium alloy). KAZUO HIRAKAWA et al. J Bone Joint Surg Am 1996;78:1235-43 ©1996 by The Journal of Bone and Joint Surgery, Inc.

5 Energy-dispersive x-ray spectroscopy study showing cobalt-chromium alloy. KAZUO HIRAKAWA et al. J Bone Joint Surg Am 1996;78:1235-43 ©1996 by The Journal of Bone and Joint Surgery, Inc.


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