Vibration transfer in the ball-stem contact interface of artificial hips.

@article{Hothan2013VibrationTI,
  title={Vibration transfer in the ball-stem contact interface of artificial hips.},
  author={Arne Hothan and Kathrin Lewerenz and Cornelius Weiss and N Hoffmann and Michael M. Morlock and Gerd Huber},
  journal={Medical engineering & physics},
  year={2013},
  volume={35 10},
  pages={
          1513-7
        }
}
Audible squeaking has put the reputation of ceramic bearings for total hip replacements into question. Inter-articular friction induces vibrations in the ceramic head which are transferred through the head-taper interface to the femoral stem. If excited to sufficient amplitudes, squeaking can be emitted by the stem. Hence, the damping and amplification properties of this interface have a crucial influence on stem vibrations. The aim of this study was to determine the vibration transfer behavior… CONTINUE READING

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