Local reactions to wear debris generated by hip and knee replacement devices have been shown to lead to failure of some devices via osteolysis and component loosening. This has not been shown to be a clinical issue with the most widely used spinal artificial disc prostheses, but the because of the proximity of these devices to sensitive neural structures in vivo, the issue deserves examination. The purpose of the present study was to investigate the wear characteristics of a lumbar artificial disc under simulated motion and loading conditions. In vitro testing using a modern joint simulator with loads and motions representative of possible lumbar spine motions show a relatively low polyethylene wear rate out to 10 million cycles with a dependence of resulting wear on input load and motion parameters.
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World Tribology Congress III
September 12–16, 2005
Washington, D.C., USA
Conference Sponsors:
- Tribology Division
ISBN:
0-7918-4202-9
PROCEEDINGS PAPER
Initial Wear Characterization of a Spinal Artificial Disc Available to Purchase
Stefan M. Gabriel,
Stefan M. Gabriel
DePuy Spine, Raynham, MA
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Andrew P. Dooris,
Andrew P. Dooris
DePuy Spine, Raynham, MA
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Hassan A. Serhan
Hassan A. Serhan
DePuy Spine, Raynham, MA
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Stefan M. Gabriel
DePuy Spine, Raynham, MA
Andrew P. Dooris
DePuy Spine, Raynham, MA
Paul J. Ares
DePuy Spine, Raynham, MA
S. Daniel Kwak
DePuy Spine, Raynham, MA
Hassan A. Serhan
DePuy Spine, Raynham, MA
Paper No:
WTC2005-64099, pp. 693-694; 2 pages
Published Online:
November 17, 2008
Citation
Gabriel, SM, Dooris, AP, Ares, PJ, Kwak, SD, & Serhan, HA. "Initial Wear Characterization of a Spinal Artificial Disc." Proceedings of the World Tribology Congress III. World Tribology Congress III, Volume 2. Washington, D.C., USA. September 12–16, 2005. pp. 693-694. ASME. https://doi.org/10.1115/WTC2005-64099
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