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Cochlear Implant Fitting System

a cochlear implant and fitting system technology, applied in electrotherapy, therapy, etc., can solve the problems of ci's distortion, frequency shift, degradation, etc., and achieve the effect of reducing the difficulty of speech processing, and reducing the accuracy of speech processing

Active Publication Date: 2009-07-09
NEW YORK UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Even after programming has been completed, the distortion of auditory input associated with CI's (e.g., spectral degradation and frequency shift) often requires extensive perceptual learning on the part of the patient.
Spectral degradation in the CI is caused by the limited number of stimulation channels while frequency shift results from physical limitations on the electrode insertion depth which may cause a mismatch between the speech processor's analysis filters and the characteristic frequency of the neurons stimulated by the electrodes.

Method used

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  • Cochlear Implant Fitting System
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Embodiment Construction

[0012] The present invention may be further understood with reference to the following description and the appended drawings. An exemplary embodiment of the present invention is directed to a system and method for providing stimulation information to a CI in real time, to facilitate the selection of a frequency-to-electrode map suited to the auditory requirements for a patient.

[0013] Under conventional CI techniques, several months are required for a patient to reach an asymptotic level of speech perception. As described above, conventional CIs distort auditory input due to frequency mismatch between the speech processor's analysis filters and the characteristic frequency of the stimulated neurons resulting from physical limitations in electrode insertion depth. In accordance with the exemplary embodiment of the present invention, a user of the CI is allowed to select a preferred frequency-to-electrode map, under the assumption that the user of the CI is best suited to select a fre...

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Abstract

A method comprises adjusting baseline auditory stimulation parameters of a cochlear implant on a living body and providing auditory electrical stimulation to a living body via electrodes of the cochlear implant in combination with adjusting the auditory stimulation parameters of the cochlear implant to the living body in real time, retaining a database of used auditory stimulation parameters for a patient and selecting, in real time, from the database a desired one of the stimulation parameters that produces desired hearing percepts in a patient.

Description

PRIORITY CLAIM [0001] This application claims the priority to the U.S. Provisional Application Ser. No. 60 / 941,053, entitled “Cochlear Implant Fitting System,” filed May 31, 2007. The specification of the above-identified application is incorporated herewith by reference.FIELD OF THE INVENTION [0002] the present invention relates to a system and method for the electrical stimulation and frequency mapping of an installed cochlear implant. BACKGROUND INFORMATION [0003] Cochlear implants (“CI”s) may restore the ability to hear to deaf or partially deaf individuals by providing electrical stimulation to the auditory nerve via a series of electrodes placed in the cochlea. Sound input activates the electrodes of the CI with different frequency bands being assigned to the various electrodes based on the tonotopic organization of the inner ear. The placement of each electrode within the cochlea is related to the range and value of each frequency band, with electrodes closer to the base of t...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): A61N1/00
CPCA61N1/37247A61N1/36032A61N1/36039
Inventor SVIRSKY, MARIO
Owner NEW YORK UNIV
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