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Design for a simplified cochlear implant system.

Publication ,  Journal Article
An, SK; Park, S-I; Jun, SB; Lee, CJ; Byun, KM; Sung, JH; Wilson, BS; Rebscher, SJ; Oh, SH; Kim, SJ
Published in: IEEE Trans Biomed Eng
June 2007

A simplified cochlear implant (CI) system would be appropriate for widespread use in developing countries. Here, we describe a CI that we have designed to realize such a concept. The system implements 8 channels of processing and stimulation using the continuous interleaved sampling (CIS) strategy. A generic digital signal processing (DSP) chip is used for the processing, and the filtering functions are performed with a fast Fourier transform (FFT) of a microphone or other input. Data derived from the processing are transmitted through an inductive link using pulse width modulation (PWM) encoding and amplitude shift keying (ASK) modulation. The same link is used in the reverse direction for backward telemetry of electrode and system information. A custom receiver-stimulator chip has been developed that demodulates incoming data using pulse counting and produces charge balanced biphasic pulses at 1000 pulses/s/electrode. This chip is encased in a titanium package that is hermetically sealed using a simple but effective method. A low cost metal-silicon hybrid mold has been developed for fabricating an intracochlear electrode array with 16 ball-shaped stimulating contacts.

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Published In

IEEE Trans Biomed Eng

DOI

ISSN

0018-9294

Publication Date

June 2007

Volume

54

Issue

6 Pt 1

Start / End Page

973 / 982

Location

United States

Related Subject Headings

  • Therapy, Computer-Assisted
  • Speech Recognition Software
  • Signal Processing, Computer-Assisted
  • Miniaturization
  • Equipment Failure Analysis
  • Equipment Design
  • Electric Stimulation Therapy
  • Cochlear Implants
  • Biomedical Engineering
  • 4603 Computer vision and multimedia computation
 

Citation

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An, S. K., Park, S.-I., Jun, S. B., Lee, C. J., Byun, K. M., Sung, J. H., … Kim, S. J. (2007). Design for a simplified cochlear implant system. IEEE Trans Biomed Eng, 54(6 Pt 1), 973–982. https://doi.org/10.1109/TBME.2007.895372
An, Soon Kwan, Se-Ik Park, Sang Beom Jun, Choong Jae Lee, Kyung Min Byun, Jung Hyun Sung, Blake S. Wilson, Stephen J. Rebscher, Seung Ha Oh, and Sung June Kim. “Design for a simplified cochlear implant system.IEEE Trans Biomed Eng 54, no. 6 Pt 1 (June 2007): 973–82. https://doi.org/10.1109/TBME.2007.895372.
An SK, Park S-I, Jun SB, Lee CJ, Byun KM, Sung JH, et al. Design for a simplified cochlear implant system. IEEE Trans Biomed Eng. 2007 Jun;54(6 Pt 1):973–82.
An, Soon Kwan, et al. “Design for a simplified cochlear implant system.IEEE Trans Biomed Eng, vol. 54, no. 6 Pt 1, June 2007, pp. 973–82. Pubmed, doi:10.1109/TBME.2007.895372.
An SK, Park S-I, Jun SB, Lee CJ, Byun KM, Sung JH, Wilson BS, Rebscher SJ, Oh SH, Kim SJ. Design for a simplified cochlear implant system. IEEE Trans Biomed Eng. 2007 Jun;54(6 Pt 1):973–982.

Published In

IEEE Trans Biomed Eng

DOI

ISSN

0018-9294

Publication Date

June 2007

Volume

54

Issue

6 Pt 1

Start / End Page

973 / 982

Location

United States

Related Subject Headings

  • Therapy, Computer-Assisted
  • Speech Recognition Software
  • Signal Processing, Computer-Assisted
  • Miniaturization
  • Equipment Failure Analysis
  • Equipment Design
  • Electric Stimulation Therapy
  • Cochlear Implants
  • Biomedical Engineering
  • 4603 Computer vision and multimedia computation