Edge loading in third generation alumina ceramic-on-ceramic bearings: stripe wear.

@article{Walter2004EdgeLI,
  title={Edge loading in third generation alumina ceramic-on-ceramic bearings: stripe wear.},
  author={William Lindsay Walter and Gerard M Insley and William K. Walter and Michael A Tuke},
  journal={The Journal of arthroplasty},
  year={2004},
  volume={19 4},
  pages={402-13}
}
Alumina ceramic-on-ceramic bearings perform exceptionally well under standard hip simulator conditions, but in vivo some retrieved bearings have shown an unusual stripe pattern of wear. We studied 16 bearings retrieved from a series of 1,588 cementless hip arthroplasties with third generation alumina ceramic-on-ceramic bearings to characterize the mechanism of stripe wear formation. None of these bearings were retrieved for bearing failure. The average wear volume was 0.4 mm(3) per year in the… CONTINUE READING

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