MAUDE Adverse Event Report: COCHLEAR LTD NUCLEUS CI422 COCHLEAR IMPLANT WITH SLIM STRAIGHT ELECTRODE; NUCLEUS 24 COCHLEAR IMPLANT SYSTEM

Model Number CI422

Device Problem Device Dislodged or Dislocated (2923)

Patient Problem Head Injury (1879)

Event Type  malfunction  

Event Description

Per the clinic, the patient experienced a magnet dislodgement subsequent to sustaining a head trauma.The device was explanted on (b)(6) 2024, and the patient was reimplanted with another cochlear device during the same surgery.

Manufacturer Narrative

This report is submitted on march 22, 2024.

Manufacturer Narrative

Device analysis indicated device failure.Device analysis report attached.This report is submitted on may 7, 2024.

• Brand Name: NUCLEUS CI422 COCHLEAR IMPLANT WITH SLIM STRAIGHT ELECTRODE
• Type of Device: 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: kohilah nadaraja ; unit ug-1, vertical podium; no. 8 jalan kerinchi,; kuala lumpur, wilayah persekutuan 59200 ; MY 59200
• MDR Report Key: 18957614
• MDR Text Key: 338304074
• Report Number: 6000034-2024-01052
• Device Sequence Number: 1
• Product Code: MCM
• UDI-Device Identifier: 09321502025706
• UDI-Public: (01)09321502025706(11)211208(17)231207
• Combination Product (y/n): N
• Reporter Country Code: TU
• PMA/PMN Number: P970051
• Number of Events Reported: 1
• Summary Report (Y/N): N
• Report Source: Manufacturer
• Source Type: Health Professional
• Reporter Occupation: Other
• Type of Report: Initial
• Report Date: 02/28/2024

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Date FDA Received: 03/22/2024
• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: Yes
• Device Operator: Lay User/Patient
• Device Expiration Date: 12/07/2023
• Device Model Number: CI422
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 03/13/2024
• Date Manufacturer Received: 02/28/2024
• Was Device Evaluated by Manufacturer?: No
• Date Device Manufactured: 12/08/2021
• Is the Device Single Use?: Yes
• Is This a Reprocessed and Reused Single-Use Device?: No
• Type of Device Usage: Initial
• Patient Sequence Number: 1
• Patient Outcome(s): Required Intervention
• Patient Sex: Male