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

Model Number	8229306
Medical Device Problem Code	Unintended Deflation (4061)
Health Effect - Clinical Codes	Unintended Extubation (4564); No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	07/05/2023
Type of Reportable Event	Malfunction
Event or Problem Description
It was reported that the newly unpacked nerve monitoring endotracheal tube was inserted into the designated position of the larynx when the cuff was inflated and leaked after intubation for thyroid surgery, which made it unable to use normally.There was obvious air leakage during intubation inflation.There was no patient impact.
Additional Manufacturer Narrative
This regulatory report is being submitted due to retrospective review through capa 624392.H3: product analysis found visually, there was a brownish black colored residue on distal portions of the device when returned.Functionally, a syringe was used to inject 20cc of air into the cuff balloon and the cuff gradually deflated.For further analysis, a leak test was performed by submerging the cuff in water and bubbles (leakage) was observed on the distal end of the cuff.Under magnification, a small puncture was found adjacent to the blue wire electrode on the distal end of the cuff.In the returned condition, there was an out of specification condition that was related to the complaint.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.

• 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: 21446229
• Report Number: 1045254-2025-00562
• Device Sequence Number: 15438814
• Product Code: ETN
• UDI-Device Identifier: 00643169789524
• UDI-Public: 00643169789524
• 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: Other Health Care Professional
• Type of Report: Initial
• Report Date (Section B): 02/24/2025

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: 8229306
• Device Catalogue Number: 8229306
• Device Lot Number: 0225532908
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 11/02/2023
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 07/10/2023
• Initial Report FDA Received Date: 02/24/2025
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 11/22/2022
• 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