MAUDE Adverse Event Report: Cochlear Limited Nucleus CI612 Cochlear Implant with Contour Advance Electrode; Nucleus 24 Cochlear Implant System

Model Number	CI612
Medical Device Problem Codes	Circuit Failure (1089); Failure to Deliver Shock/Stimulation (1133)
Health Effect - Clinical Code	Appropriate Clinical Signs, Symptoms and Conditions Term/Code Not Available (4581)
Type of Reportable Event	Malfunction

• Brand Name: Nucleus CI612 Cochlear Implant with Contour Advance Electrode
• Common Device Name: Nucleus 24 Cochlear Implant System
• Manufacturer (Section D): Cochlear Limited; 1 university avenue; macquarie university; nsw 2109 ; AS 2109
• Manufacturer (Section G): Cochlear Ltd; 1 university avenue; macquarie university, nsw 2109 ; AS 2109
• Manufacturer Contact: hema dewi ; unit ug-1, vertical podium; no. 8 jalan kerinchi; kuala lumpur, wilayah persekutuan 59200 ; MY 59200
• MDR Report Key: 50589442
• Report Number: 6000034-2026-03124
• Device Sequence Number: 9690916
• Product Code: MCM
• UDI-Device Identifier: 09321502036818
• UDI-Public: (01)09321502036818(11)241203(17)261202
• Combination Product (Y/N): N
• Initial Reporter Country: US
• PMA/510(K) Number: P970051
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2025
• Device Explanted Year: 2026
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Health Professional
• Type of Report: Initial,Followup
• Report Date (Section B): 10/02/2026

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?: Yes
• Operator of Device: Lay User/Patient
• Device Model Number: CI612
• Device Catalogue Number: P774600
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: No
• Initial Date Received by Manufacturer: Not provided
• Supplement Date Received by Manufacturer: 09/10/2026
• Initial Report FDA Received Date: 09/03/2026
• Supplement Report FDA Received Date: 10/02/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 12/03/2024
• 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
• Outcome Attributed to Adverse Event: Other; Required Intervention
• Patient Sex: Male