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

Model Number	MI1260 SONATA 2
Medical Device Problem Code	Device Appears to Trigger Rejection (1524)
Health Effect - Clinical Code	Bacterial Infection (1735)
Type of Reportable Event	Serious Injury
Event or Problem Description
Her condition seemed to be stable until the doctor got a photo of the implant site showing that the implant (the titanium stimulator) was exposed on (b)(6) 2026.On (b)(6) 2026 plastic surgeon is seeing the user about performing a skin flap surgery.The team is hoping that this will not result in an explant however the possibility cannot be ruled out.
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.

• 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: 24577537
• Report Number: 9710014-2026-00251
• Device Sequence Number: 9157884
• Product Code: MCM
• UDI-Device Identifier: 09008737385453
• UDI-Public: (01)09008737385453
• Combination Product (Y/N): N
• PMA/510(K) Number: P000025
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted 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
• Report Date (Section B): 03/12/2026

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 Model Number: MI1260 SONATA 2
• Was Device Available for Evaluation?: No
• Was the Report Sent to FDA?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 02/25/2026
• Initial Report FDA Received Date: 03/12/2026
• Date Device Manufactured: 11/26/2024
• 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
• Patient Age: 54 YR
• Patient Sex: Female