Cochlear Response Telemetry and Hearing Preservation

Exclusion Criteria

• •Prior cochlear implantation in the ear to be implanted
• •Ossification or any other cochlear anomaly that might prevent complete insertion of the electrode array
• •Abnormal cochlear/nerve anatomy on pre-operative CT or MRI imaging (excluding a mild Mondini malformation or Large Vestibular Aqueduct Syndrome)
• •Deafness due to lesions of the acoustic nerve or central auditory pathway
• •Diagnosis of auditory neuropathy
• •Active middle-ear infection
• •Additional handicaps that would prevent participation in evaluations
• •Unrealistic expectations on the part of the subject, regarding the possible benefits, risks and limitations that are inherent to the procedure and investigational device