Totally implantable hearing aids: the effects of skin thickness on microphone function.

@article{Deddens1990TotallyIH,
  title={Totally implantable hearing aids: the effects of skin thickness on microphone function.},
  author={A E Deddens and Erica Wilson and Tristram H J Lesser and John M. Fredrickson},
  journal={American journal of otolaryngology},
  year={1990},
  volume={11 1},
  pages={1-4}
}
With the advent of totally implantable hearing aids, the question of the impact of the choice of implantation site on microphone function has yet to be fully addressed. We investigated the effects of skin thickness on microphone function over a 2-week period in a porcine model. Sound attenuation was found to be directly proportional to skin thickness within the range of 0.5 to 3.0 mm. A decrease in resonant frequency of 500 Hz was noted after implantation under a skin thickness of 3.0 mm. The… CONTINUE READING

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