MAUDE Adverse Event Report: COCHLEAR LTD NUCLEUS FREEDOM IMPLANT WITH CONTOUR ADVANCE ELECTRODE; NUCLEUS 24 COCHLEAR IMPLANT SYSTEM

Model Number	CI24RE (CA)
Medical Device Problem Code	Appropriate Device Problem Term/Code Not Available (3191)
Health Effect - Clinical Code	Cyst(s) (1800)
Date of Event	04/02/2026
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
Device analysis report attached.
Event or Problem Description
Per the clinic, the device was explanted on (b)(6) 2026 due to cholesteatoma.It is unknown if there are plans to reimplant the patient as of the date of this report.

• Brand Name: NUCLEUS FREEDOM IMPLANT WITH CONTOUR ADVANCE ELECTRODE
• Common Device Name: NUCLEUS 24 COCHLEAR IMPLANT SYSTEM
• Manufacturer (Section D): COCHLEAR LTD; 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: barathen balamurugan ; unit ug-1, vertical podium; no.8 jalan kerinchi; kuala lumpur, wilayah persekutuan 59200 ; MY 59200
• MDR Report Key: 25212332
• Report Number: 6000034-2026-01786
• Device Sequence Number: 16095661
• Product Code: MCM
• UDI-Device Identifier: 09321502007320
• UDI-Public: (01)09321502007320(11)120228(17)140227
• Combination Product (Y/N): N
• Initial Reporter Country: GM
• PMA/510(K) Number: P970051
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2012
• Device Explanted Year: 2026
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Health Professional
• Initial Reporter Occupation: Other
• Type of Report: Initial
• Report Date (Section B): 05/19/2026

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 Expiration Date: 02/27/2014
• Device Model Number: CI24RE (CA)
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 04/17/2026
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 04/28/2026
• Initial Report FDA Received Date: 05/19/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 02/28/2012
• 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: 55 YR
• Patient Sex: Female