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

Model Number	MI1250 SYNCHRONY 2 PIN
Medical Device Problem Code	Migration (4003)
Health Effect - Clinical Code	Failure of Implant (1924)
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
The implant housing appears to have moved over time.Pictures showed that the implant has shifted towards the pinna after surgery.A follow-up integrity test has been scheduled.
Event or Problem Description
The implant housing moved towards the pinna after surgery.Furthermore, a ct scan then revealed that the electrode was backing out of the cochlea.The user was re-implanted.At the explantation around 4-5 contacts were outside the cochlea and the fantail of the housing was in the mastoid cavity.There was also lots of scar tissue in the facial recess.
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, the device was not providing enough benefit to the recipient due to a partial post-operative active electrode migration out of the cochlea, as confirmed during explantation surgery.Further the implant housing migrated from its intended position.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: 14905658
• Report Number: 9710014-2022-00460
• Device Sequence Number: 6244981
• Product Code: MCM
• UDI-Device Identifier: 09008737366810
• UDI-Public: (01)09008737366810
• Combination Product (Y/N): N
• Initial Reporter Country: US
• PMA/510(K) Number: P000025
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2021
• Device Explanted Year: 2022
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Health Professional
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial,Followup
• Report Date (Section B): 03/02/2023

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?: Yes
• Operator of Device: Lay User/Patient
• Device Expiration Date: 01/13/2023
• Device Model Number: MI1250 SYNCHRONY 2 PIN
• Device Catalogue Number: 36710
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Is the Reporter a Health Professional?: Yes
• Was the Report Sent to FDA?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 06/16/2022
• Supplement Date Received by Manufacturer: 06/16/2022
• Initial Report FDA Received Date: 07/04/2022
• Supplement Report FDA Received Date: 03/02/2023
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 01/13/2020
• 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: 9 YR
• Patient Sex: Male