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

Model Number	MI1260 SONATA 2
Medical Device Problem Code	Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Code	Unspecified Infection (1930)
Date of Event	07/01/2025
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
The device has not been explanted.If it should be explanted, it 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
An infection in the retro-auricular area was observed.The issue reportedly started in (b)(6) 2025.Medical treatment was initiated and the user initially reported improvement.However, the infection recurred, leading to the decision to remove the device.Re-implantation is currently under consideration.
Additional Manufacturer Narrative
Conclusion: device investigation did not reveal any device defect or damage, which has been present whilst implanted.Mechanical damages found are attributable to the removal surgery.According to the information received from the field the device was explanted due to an infection and skin breakdown.Further the stimulator housing migrated from its intended position as confirmed during explantation surgery.A review of the device_s sterilization records shows that the device has been subject to a valid sterilization process, thus no available information points to the implant being the source of the reported issue.This is a final report.
Event or Problem Description
An infection in the retro-auricular area was observed.The issue reportedly started in (b)(6) 2025.Medical treatment was initiated and the user initially reported improvement.However, the infection recurred, leading to the decision to remove the device.The device was explanted.

• 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: 23543875
• Report Number: 9710014-2025-01058
• Device Sequence Number: 9719365
• Product Code: MCM
• UDI-Device Identifier: 09008737385453
• UDI-Public: (01)09008737385453
• Combination Product (Y/N): N
• Initial Reporter Country: AR
• PMA/510(K) Number: P000025
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2021
• Device Explanted Year: 2025
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Company Representative
• Initial Reporter Occupation: Non-Healthcare Professional
• Type of Report: Initial,Followup
• Report Date (Section B): 02/10/2026

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: No
• Operator of Device: Lay User/Patient
• Device Expiration Date: 11/09/2024
• Device Model Number: MI1260 SONATA 2
• 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: 11/12/2025
• Supplement Date Received by Manufacturer: 11/12/2025
• Initial Report FDA Received Date: 11/13/2025
• Supplement Report FDA Received Date: 02/10/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 04/29/2013
• 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: 57 YR
• Patient Sex: Male