MAUDE Adverse Event Report: ADVANCED BIONICS, LLC HIRES¿ ULTRA CI HIFOCUS¿; COCHLEAR IMPLANT

Model Number	CI-1600-05
Medical Device Problem Code	Mechanical Problem (1384)
Health Effect - Clinical Code	Failure of Implant (1924)
Date of Event	03/02/2026
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
Advanced bionics considers the investigation into this reportable event as closed.The external visual inspection revealed the electrode was sliced and tool damage to the silicone overmold on the top and bottom cover of the device.This is believed to have occurred during revision surgery.The photographic imaging inspection confirmed broken electrode wires.This is believed to have occurred during revision surgery.System lock was verified.The device passed some of the electrical tests performed.The failure of this device is attributed to an electrode short in the electrode pocket.A corrective action was implemented.This version of the ultra is no longer distributed.This is the final report.Disclaimer: advanced bionics does not intend that this report be any admission of liability, fault or product defect.
Event or Problem Description
The recipient reportedly experienced decreased performance.A review of the recipient's test data indicates impedance issues.Programming adjustments have been made; however, the issue did not resolve.The recipient's device was explanted.The recipient was re-implanted with another cochlear device.

• Brand Name: HIRES¿ ULTRA CI HIFOCUS¿
• Common Device Name: COCHLEAR IMPLANT
• Manufacturer (Section D): ADVANCED BIONICS, LLC; 28515 westinghouse place; valencia CA 91355
• Manufacturer Contact: lacey o'linn ; 28515 westinghouse place; valencia, CA 91355
• MDR Report Key: 24687773
• Report Number: 3006556115-2026-00264
• Device Sequence Number: 13175065
• Product Code: MCM
• UDI-Device Identifier: 07630016857201
• UDI-Public: (01)07630016857201(11)180109(17)210131
• Combination Product (Y/N): N
• Initial Reporter State: IA
• Initial Reporter Country: US
• PMA/510(K) Number: P960058
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2018
• Device Explanted Year: 2026
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Health Professional
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial
• Report Date (Section B): 03/04/2026

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Operator of Device: Lay User/Patient
• Device Expiration Date: 01/31/2021
• Device Model Number: CI-1600-05
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 03/04/2026
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: Not provided
• Initial Report FDA Received Date: 03/25/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 01/09/2018
• 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
• Patient Age: 54 YR
• Patient Sex: Unknown