MAUDE Adverse Event Report: MEDTRONIC DOMINICANA NIM® PROBE; STIMULATOR, NERVE

Model Number	8225101
Medical Device Problem Code	Incorrect, Inadequate or Imprecise Result or Readings (1535)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	06/29/2023
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
H3: product analysis of the device found that visually, there was contamination on the outside diameter of the handle when returned and the distal tip of the probe tip was bent.Electrically, resistance of the entire assembly shall be less than 0.3 ohms and the actual measurement was 0.3 ohms which was in specification.The probe tip fit securely into the handle with no issues.Functionally, the probe was connected to a nim system using a 1.0ma stimulating current and 100v threshold and, while stimulating with a patient simulator, the system consistently returned 1.0ma and a waveform/event tone over 200v.There was no intermittent behavior while manipulating the tip, connector, or the wire.This regulatory report is being submitted due to retrospective review through capa 624392.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 thyroidectomy procedure, when the doctor used the probe to detect the nerve, he found that the stim returned show 0ma.The doctor tried to reconnect the probe from stim1 to stim2 but useless, finally, the doctor changed a probe to complete the surgery.There was no patient impact associated with the event.

• Brand Name: NIM® PROBE
• Common Device Name: STIMULATOR, NERVE
• Manufacturer (Section D): MEDTRONIC DOMINICANA; zona franca de san isidro; carretera san isidro, km 17; santo domingo 11500 ; DR 11500
• Manufacturer (Section G): MEDTRONIC DOMINICANA; zona franca de san isidro; carretera san isidro, km 17; santo domingo 11500 ; DR 11500
• Manufacturer Contact: justin ellis ; 6743 southpoint drive north; jacksonville, FL 32216 ; 7635265677
• MDR Report Key: 21499546
• Report Number: 9612501-2025-00615
• Device Sequence Number: 12747556
• Product Code: ETN
• UDI-Device Identifier: 00763000417024
• UDI-Public: 00763000417024
• Combination Product (Y/N): N
• Initial Reporter Country: TW
• PMA/510(K) Number: K934426
• 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
• Report Date (Section B): 03/01/2025

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: 8225101
• Device Catalogue Number: 8225101
• Device Lot Number: 0225237305
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 08/16/2023
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 07/03/2023
• Initial Report FDA Received Date: 03/01/2025
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 10/11/2022
• 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: Female