Patent ID: 8768484

Claim:
A multichannel vestibular prosthesis, comprising: a sensor system; a microcontroller configured to communicate with said sensor system to receive sensor signals from said sensor system while in operation, said microcontroller configured to provide control signals in response to said sensor signals; a neuroelectronic interface integrated circuit configured to communicate with said microcontroller to receive said control signals; and a plurality of electrodes electrically connected to said neuroelectronic interface integrated circuit, wherein said neuroelectronic interface integrated circuit comprises: a digital controller configured to communicate with said microcontroller; a plurality of digital-to-analog converters configured to communicate with said digital controller; and a plurality of analog current control circuits, each constructed to communicate with a respective one of said plurality of digital-to-analog converters, wherein each of said plurality of analog current control circuits can be electrically connected directly or under software control to a respective one of a plurality of electrodes for delivering electrical stimuli to at least one vestibular nerve, and wherein said digital controller is configured to control amplitudes, frequencies, polarities and durations of currents to be delivered to any combination of said plurality of electrical leads.