MAUDE Adverse Event Report: MED-EL ELEKTROMEDIZINISCHE GERAETE GMBH MED-EL MAESTRO COCHLEAR IMPLANT SYSTEM

Model Number	MI1000 MED-EL CONCERT
Medical Device Problem Code	Impedance Problem (2950)
Health Effect - Clinical Code	Failure of Implant (1924)
Date of Event	10/09/2023
Type of Reportable Event	Malfunction
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
In situ measurements were indicative of a possible device malfunction.Reimplantation is considered, but no date has been scheduled yet.
Event or Problem Description
In situ measuremets were indicative of a possible device malfucntion.The user has been reimplanted.
Additional Manufacturer Narrative
Conclusion: device investigation revealed a technical failure of the reference electrode which explains the reported issues.The investigation results appear to match the problems mentioned in the recipient report.This is a final report.

• Brand Name: MED-EL MAESTRO COCHLEAR IMPLANT SYSTEM
• 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: 18092439
• Report Number: 9710014-2023-001010
• Device Sequence Number: 20396803
• Product Code: MCM
• UDI-Device Identifier: 09008737062682
• UDI-Public: (01)09008737062682
• Combination Product (Y/N): N
• Initial Reporter Country: GM
• PMA/510(K) Number: P000025
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2012
• Device Explanted Year: 2023
• 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): 03/12/2024

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: 09/01/2014
• Device Model Number: MI1000 MED-EL CONCERT
• 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: 11/02/2023
• Supplement Date Received by Manufacturer: 11/02/2023
• Initial Report FDA Received Date: 11/08/2023
• Supplement Report FDA Received Date: 03/12/2024
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 10/01/2012
• 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: 13 YR
• Patient Sex: Male