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 Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	06/17/2026
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
The device has been explanted and should be returned to the manufacturer for evaluation.When available, a device failure analysis will be submitted as a follow up report.
Event or Problem Description
The user experienced sudden hearing loss.Re-implantation was done on (b)(6) 2026.
Event or Problem Description
User experienced sudden hearing loss.No history of trauma, no redness or swelling.User was reimplanted.
Additional Manufacturer Narrative
Conclusion: overload fractures in the active electrode which are consistent with an external mechanical impact were determined to be the root cause of device failure.The problems given in the recipient report appear to match the damage found.

• 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 ; +43-(577)88
• MDR Report Key: 25604702
• Report Number: 9710014-2026-00583
• Device Sequence Number: 17485060
• Product Code: MCM
• UDI-Device Identifier: 09008737083618
• UDI-Public: (01)09008737083618
• Combination Product (Y/N): N
• Initial Reporter Country: CH
• PMA/510(K) Number: P000025
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2018
• Device Explanted Year: 2026
• 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
• Report Date (Section B): 07/29/2026

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: 11/07/2020
• Device Model Number: SONATA
• Was Device Available for Evaluation?: Yes
• Date Returned to Manufacturer: 07/15/2026
• Is the Reporter a Health Professional?: No
• Was the Report Sent to FDA?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 06/23/2026
• Supplement Date Received by Manufacturer: 06/23/2026
• Initial Report FDA Received Date: 06/24/2026
• Supplement Report FDA Received Date: 07/29/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 11/07/2017
• 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: 19 YR
• Patient Sex: Female