Methods and systems of automatically detecting an impedance of one or more electrodes in a cochlear implant system
First Claim
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1. A method comprising:
- directing, by a sound processing unit, an implantable cochlear stimulator coupled to a plurality of electrodes to generate an electrical stimulation current in accordance with one or more stimulation parameters;
automatically detecting, by the sound processing unit, an impedance of at least one of the electrodes; and
directing, by the sound processing unit in accordance with the detected impedance, the implantable cochlear stimulator to adjust a pulse width of the electrical stimulation current to maintain constant a total electric charge level of the electrical stimulation current.
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Abstract
An exemplary method includes a sound processing unit 1) directing an implantable cochlear stimulator coupled to a plurality of electrodes to generate an electrical stimulation current in accordance with one or more stimulation parameters, 2) automatically detecting an impedance of at least one of the electrodes, and 3) directing, in accordance with the detected impedance, the implantable cochlear stimulator to adjust a pulse width of the electrical stimulation current to maintain constant a total electric charge level of the electrical stimulation current.
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Citations
20 Claims
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1. A method comprising:
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directing, by a sound processing unit, an implantable cochlear stimulator coupled to a plurality of electrodes to generate an electrical stimulation current in accordance with one or more stimulation parameters; automatically detecting, by the sound processing unit, an impedance of at least one of the electrodes; and directing, by the sound processing unit in accordance with the detected impedance, the implantable cochlear stimulator to adjust a pulse width of the electrical stimulation current to maintain constant a total electric charge level of the electrical stimulation current. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method comprising:
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directing, by a sound processing unit, an implantable cochlear stimulator coupled to a plurality of electrodes to generate an electrical stimulation current in accordance with one or more stimulation parameters; automatically detecting, by the sound processing unit, an impedance of at least one of the electrodes; using, by the sound processing unit, the detected impedance to identify a disabled electrode included in the plurality of electrodes; and directing, by the sound processor, the implantable cochlear stimulator to use current steering to compensate for the disabled electrode. - View Dependent Claims (11, 12, 13)
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14. A system comprising:
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a processor configured to direct an implantable cochlear stimulator coupled to a plurality of electrodes to apply an electrical stimulation current by way of at least one electrode included in the plurality of electrodes in accordance with one or more stimulation parameters; and an impedance detection module configured to automatically detect an impedance of the at least one electrode; wherein the processor is further configured to adjust, in accordance with the detected impedance, a pulse width of the electrical stimulation current to maintain constant a total electric charge level of the electrical stimulation current. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification