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

Model Number	MI1000 MED-EL CONCERT
Medical Device Problem Code	Impedance Problem (2950)
Health Effect - Clinical Code	Head Injury (1879)
Date of Event	04/28/2026
Type of Reportable Event	Malfunction
Event or Problem Description
The user experienced sudden hearing loss with right ci following a head impact in early (b)(6) 2026.No swelling or redness was seen.After one month of observation with no improvement in hearing performance, re-implantation was done on (b)(6) 2026.
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.
Additional Manufacturer Narrative
Conclusion: based on the received information, a damage to the active electrode due to the reported trauma appears very likely.However, to confirm an exact root cause device investigation would be necessary.The concerned device was explanted but has not been received for investigation yet.
Event or Problem Description
User experienced sudden hearing loss with the right implant following a head impact in early (b)(6) 2026.The user has been reimplanted.

• Brand Name: CONCERTO
• 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: 25120633
• Report Number: 9710014-2026-00425
• Device Sequence Number: 10642225
• Product Code: MCM
• UDI-Device Identifier: 09008737062767
• UDI-Public: (01)09008737062767
• 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: 2022
• 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): 05/20/2026

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: 06/01/2023
• Device Model Number: MI1000 MED-EL CONCERT
• 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: 05/07/2026
• Supplement Date Received by Manufacturer: 05/07/2026
• Initial Report FDA Received Date: 05/08/2026
• Supplement Report FDA Received Date: 05/20/2026
• Date Device Manufactured: 06/01/2021
• 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: 7 YR
• Patient Sex: Male