MAUDE Adverse Event Report: MEDTRONIC XOMED INC. NIM 4.0 CONSOLE; STIMULATOR, ELECTRICAL, EVOKED RESPONSE

Model Number	NIM4CM01RF
Medical Device Problem Code	False Positive Result (1227)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	01/06/2025
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
Medtronic submits this report to comply with fda regulations 21 cfr parts 4 and 803.Medtronic has made reasonable efforts to provide as much relevant information as is available to the company as of the submission date of this report.This report does not constitute an admission or a conclusion by fda, medtronic, or its employees that the device, medtronic, or its employee caused or contributed to the event described in the report.Any required fields that are unpopulated are blank because the information is currently unknown or unavailable.Medtronic will submit a supplemental report if additional relevant information becomes known.
Event or Problem Description
It was reported that during the procedure, there were unusual signals, looking like direct stimulation of the muscle, that enabled to see the real signal.The hardware set-up was verified before the use and the surgeon observed the waveform response on the screen.The activity occur only during the stimulation.There was no tone when using electrocautery.After changing the rejection period to 3.5 ms, it was a bit better but not completely.The software version 1.6.4 was present during the event.There was no patient impact.

• Brand Name: NIM 4.0 CONSOLE
• Common Device Name: STIMULATOR, ELECTRICAL, EVOKED RESPONSE
• Manufacturer (Section D): MEDTRONIC XOMED INC.; 6743 southpoint dr n; jacksonville FL 32216
• Manufacturer (Section G): MEDTRONIC XOMED INC.; 6743 southpoint dr n; jacksonville FL 32216
• Manufacturer Contact: justin ellis ; 6743 southpoint drive north; jacksonville, FL 32216 ; 7635265677
• MDR Report Key: 21291458
• Report Number: 1045254-2025-00242
• Device Sequence Number: 21167132
• Product Code: GWF
• UDI-Device Identifier: 00763000002992
• UDI-Public: 00763000002992
• Combination Product (Y/N): N
• Initial Reporter Country: SZ
• PMA/510(K) Number: K200759
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Foreign,Health Professional,Company Representative
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial
• Report Date (Section B): 02/03/2025

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: Health Professional
• Device Model Number: NIM4CM01RF
• Device Catalogue Number: NIM4CM01RF
• Device Lot Number: 226553336
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 01/23/2025
• Initial Report FDA Received Date: 02/03/2025
• Date Device Manufactured: 05/10/2023
• Is the Device Labeled for Single Use? (Y/N): No
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Reuse
• Patient Sequence Number: 1
• Patient Sex: Unknown