Abstract
Cochlear implants (CI) have restored hearing to many deaf patients. It is the most successful neuroprosthetic in the field. However, in past decades technical improvements have plateaued and the market has solidified among 3 manufacturers. Proprietary software, and know-how are some of the barriers to innovation and disruption in CIs. In this paper we propose an open data communication protocol for cochlear implants that supports multipolar stimulation, accommodates an expandable number of channels, and minimizes the transmission of redundant information. We also present a method for implementing multipolar stimulation in single supply stimulators with a bridge-type switch matrix through pulse-polarity modulation. This combines the advantages of lower voltage (lower power) operation with more targeted stimulation.Clinical Relevance- In addition to enabling the development of new tools for research and clinical deployment, the presented data communication protocol will promote clinical research in more advanced auditory coding strategies.
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