MAUDE Adverse Event Report: Cochlear Ltd Nucleus CI632 Profile Plus with Slim Modiolar Electrode; Nucleus 24 Cochlear Implant System

Model Number	CI632
Medical Device Problem Code	Expulsion (2933)
Health Effect - Clinical Codes	Abscess (1690); Tissue Breakdown (2681); Medical device site infection (4845)
Type of Reportable Event	Serious Injury
Event or Problem Description
Per the clinic, the patient developed an infection with an open wound and device exposure.The patient also developed a postauricular abscess.The patient was treated with antibiotics (specific type, date and duration not reported).Subsequently, the device was explanted on (b)(6) 2026.There are no plans to reimplant the patient with a new device as of the date of this report.

• Brand Name: Nucleus CI632 Profile Plus with Slim Modiolar Electrode
• Common Device Name: Nucleus 24 Cochlear Implant System
• Manufacturer (Section D): Cochlear Ltd; 1 university avenue; macquarie university, nsw 2109 ; AS 2109
• MDR Report Key: 50558990
• Report Number: 6000034-2026-03040
• Device Sequence Number: 16079057
• Product Code: MCM
• UDI-Device Identifier: 09321502036580
• Combination Product (Y/N): N
• Initial Reporter State: VA
• Initial Reporter Country: US
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2023
• Device Explanted Year: 2026
• Serviced by Third Party (Y/N): N
• Reporter Type: Importer
• Type of Report: Initial
• Report Date (Section B): 09/02/2026
• Report Date (Section F): 09/02/2026

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?: No
• Operator of Device: Lay User/Patient
• Device Expiration Date: 10/26/2024
• Device Model Number: CI632
• Device Catalogue Number: P783831
• Was Device Available for Evaluation?: Yes
• Date Returned to Manufacturer: 08/27/2026
• Is the Reporter a Health Professional?: No
• Was the Report Sent to FDA?: Yes
• Distributor Facility Aware Date: 08/05/2026
• Event Location: Hospital
• Date Report to Manufacturer: 08/05/2026
• Initial Date Received by Manufacturer: Not provided
• Initial Report FDA Received Date: 09/02/2026
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Required Intervention
• Patient Sex: Male
• Date Report Sent to FDA: 09/02/2026