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Relationship Between Gravimetric Wear and Particle Generation in Hip Simulators: Conventional Compared with Cross-Linked Polyethylene by Michael D. Ries,

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Presentation on theme: "Relationship Between Gravimetric Wear and Particle Generation in Hip Simulators: Conventional Compared with Cross-Linked Polyethylene by Michael D. Ries,"— Presentation transcript:

1 Relationship Between Gravimetric Wear and Particle Generation in Hip Simulators: Conventional Compared with Cross-Linked Polyethylene by Michael D. Ries, Marcus L. Scott, and Shilesh Jani J Bone Joint Surg Am Volume 83(2 suppl 2):S116-122 November 1, 2001 ©2001 by The Journal of Bone and Joint Surgery, Inc.

2 Display of particle analysis. Michael D. Ries et al. J Bone Joint Surg Am 2001;83:S116- 122 ©2001 by The Journal of Bone and Joint Surgery, Inc.

3 Gravimetric wear testing showed a significant improvement in wear as the level of radiation increased. Michael D. Ries et al. J Bone Joint Surg Am 2001;83:S116- 122 ©2001 by The Journal of Bone and Joint Surgery, Inc.

4 Particle-generation rates did not correlate with gravimetric wear rates. Michael D. Ries et al. J Bone Joint Surg Am 2001;83:S116- 122 ©2001 by The Journal of Bone and Joint Surgery, Inc.

5 Particles of nonirradiated, ethylene-oxide-sterilized ultra-high molecular weight polyethylene (10,000). Michael D. Ries et al. J Bone Joint Surg Am 2001;83:S116- 122 ©2001 by The Journal of Bone and Joint Surgery, Inc.

6 Particles of inert-gas gamma-irradiated ultra-high molecular weight polyethylene (10,000). Michael D. Ries et al. J Bone Joint Surg Am 2001;83:S116- 122 ©2001 by The Journal of Bone and Joint Surgery, Inc.

7 Particles of highly cross-linked ultra-high molecular weight polyethylene subjected to 5 Mrad of gamma irradiation (10,000). Michael D. Ries et al. J Bone Joint Surg Am 2001;83:S116- 122 ©2001 by The Journal of Bone and Joint Surgery, Inc.

8 Particles of highly cross-linked ultra-high molecular weight polyethylene subjected to 10 Mrad of gamma irradiation (10,000). Michael D. Ries et al. J Bone Joint Surg Am 2001;83:S116- 122 ©2001 by The Journal of Bone and Joint Surgery, Inc.

9 Particle size histogram. Michael D. Ries et al. J Bone Joint Surg Am 2001;83:S116- 122 ©2001 by The Journal of Bone and Joint Surgery, Inc.

10 Particle surface area versus size histogram. Michael D. Ries et al. J Bone Joint Surg Am 2001;83:S116- 122 ©2001 by The Journal of Bone and Joint Surgery, Inc.

11 Particle volume versus size histogram. Michael D. Ries et al. J Bone Joint Surg Am 2001;83:S116- 122 ©2001 by The Journal of Bone and Joint Surgery, Inc.

12 Total wear volume per Mcycle of particles generated from each type of liner. Michael D. Ries et al. J Bone Joint Surg Am 2001;83:S116- 122 ©2001 by The Journal of Bone and Joint Surgery, Inc.

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