MAUDE Adverse Event Report: MED-EL ELEKTROMEDIZINISCHE GERAETE GMBH SONATA; COCHLEAR IMPLANT

Model Number	SONATA
Medical Device Problem Code	Impedance Problem (2950)
Health Effect - Clinical Codes	Failure of Implant (1924); No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	12/06/2024
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
Conclusion: based on the received information, a damage to the active electrode due to excessive mechanical stress seems very likely.However, to determine an exact root cause, device investigation would be necessary.Re-implantation is considered but no date has been scheduled yet.This is a combined initial / final report.
Event or Problem Description
Parent brought the child to the clinic reporting not responding to sounds with the device.Planning for re-implantation.Recommended to take ct scan to check placement of the implant and all channels are inside cochlea.
Additional Manufacturer Narrative
Additional information: based on the received information, a damage to the active electrode due to excessive mechanical stress seems very likely.However, to determine an exact root cause, device investigation would be necessary.Re-implantation was carried out, but the device has not been received yet.
Event or Problem Description
Parent brought the child to the clinic reporting not responding to sounds with the device.The recipient has been re-implanted.
Event or Problem Description
Parent brought the child to the clinic reporting not responding to sounds with the device.The recipient has been re-implanted.
Additional Manufacturer Narrative
Conclusion: overload fractures in the active electrode, as might be caused by an external mechanical impact, was determined to be the root cause of device failure.The problems given in the recipient report appear to match the damage found.This is a final report.

• Brand Name: SONATA
• Common Device Name: COCHLEAR IMPLANT
• Manufacturer (Section D): MED-EL ELEKTROMEDIZINISCHE GERAETE GMBH; innsbruck ; AU
• Manufacturer Contact: laura simonotti ; fuerstenweg 77a; innsbruck 6020 ; AU 6020 ; 57788
• MDR Report Key: 20877778
• Report Number: 9710014-2024-01105
• Device Sequence Number: 12972554
• Product Code: MCM
• UDI-Device Identifier: 09008737049171
• UDI-Public: (01)09008737049171
• Combination Product (Y/N): N
• Initial Reporter Country: IN
• PMA/510(K) Number: P000025
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2023
• Device Explanted Year: 2025
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Company Representative
• Initial Reporter Occupation: Non-Healthcare Professional
• Type of Report: Initial,Followup,Followup
• Report Date (Section B): 07/29/2025

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Operator of Device: Lay User/Patient
• Device Expiration Date: 01/15/2026
• Device Model Number: SONATA
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Was the Report Sent to FDA?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 12/06/2024
• Supplement Date Received by Manufacturer: 12/06/2024; 12/06/2024
• Initial Report FDA Received Date: 12/09/2024
• Supplement Report FDA Received Date: 04/30/2025; 07/29/2025
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 01/15/2023
• Is the Device Labeled for Single Use? (Y/N): Yes
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Initial
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Required Intervention
• Patient Age: 5 YR
• Patient Sex: Male