MAUDE Adverse Event Report: MEDTRONIC XOMED INC. NIM® EMG - ENDOTRACHEAL TUBE; STIMULATOR, NERVE

Model Number	8229307
Medical Device Problem Code	Incorrect, Inadequate or Imprecise Result or Readings (1535)
Health Effect - Clinical Codes	Unintended Extubation (4564); No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	06/18/2025
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.
Additional Manufacturer Narrative
H3: device analysis found that the device and both electrodes (green and red/white) were returned in a small plastic sleeve.There was no damage noted in the construction of the returned device.There were traces of contamination observed on a blue band and clear tape wrapped around the tube covering clear shrink band.The continuity check was performed and electrically, the resistance of each lead shall be between 1.7 ohms and 3.7 ohms and actual measurements were red (3.6 ohms), red with clear tube (3.4 ohms), blue (3.5 ohms), and blue with clear tube (3.3 ohms), all electrodes within specification.Functionally, the device was connected to the nim system while exposed electrode wires were submerged in a saline solution for functional test.The electrode check passed and there was no excess noise recorded during the functional test.There was no reading issue observed during the analysis of the returned device.The complaint was not confirmed, no out of specification condition was observed.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 thyroid cancer surgery, the endotracheal tube was already connected, but there was no signal from the monitor, and there was no response when the endotracheal tube was adjusted.The signal could only be obtained by replacing the endotracheal tube.Used short-acting muscle relaxant at 1 time ed95 for 40 minutes before starting monitoring.There was no patient impact.

• Brand Name: NIM® EMG - ENDOTRACHEAL TUBE
• Common Device Name: STIMULATOR, NERVE
• 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: 22507929
• Report Number: 1045254-2025-01779
• Device Sequence Number: 15778859
• Product Code: ETN
• UDI-Device Identifier: 00643169789531
• UDI-Public: (01)00643169789531(17)270420(10)0226427977
• Combination Product (Y/N): N
• Initial Reporter Country: CH
• PMA/510(K) Number: K925640
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Foreign,Health Professional,Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 07/16/2025

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: 8229307
• Device Catalogue Number: 8229307
• Device Lot Number: 0226427977
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 07/09/2025
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 06/19/2025
• Supplement Date Received by Manufacturer: 07/16/2025
• Initial Report FDA Received Date: 07/15/2025
• Supplement Report FDA Received Date: 07/16/2025
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 04/21/2023
• 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 Sex: Unknown