MAUDE Adverse Event Report: MEDTRONIC XOMED INC. NIM-NEURO® 3.0 MAINFRAME; STIMULATOR, NERVE

Model Number	8253401
Medical Device Problem Code	Failure to Sense (1559)
Health Effect - Clinical Code	No Known Impact Or Consequence To Patient (2692)
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
Other relevant device(s) are: product id: 8253410, serial/lot #: (b)(4).Analysis for the mainframe found that the customer's complaint could not be duplicated.The device came in with an older gui software version.The device was cleaned, upgraded gui software, tested and passed in accordance with manufacturing specifications; analysis for the patient interface found that the customer's complaint could not be duplicated as well.The device came in with two (2) worn wave washers.The device was disassembled, cleaned, replaced washers, reassembled, tested and passed in accordance with manufacturing specifications.If information is provided in the future, a supplemental report will be issued.
Event or Problem Description
A health care provider (hcp) reported that the nerve monitoring system was not registering any nerves.The device tested fine before the surgery.There was no known patient impact reported.

• Brand Name: NIM-NEURO® 3.0 MAINFRAME
• Common Device Name: STIMULATOR, NERVE
• Manufacturer (Section D): MEDTRONIC XOMED INC.; 6743 southpoint dr n; jacksonville FL 32216
• MDR Report Key: 8669942
• Report Number: 1045254-2019-00277
• Device Sequence Number: 2117663
• Product Code: ETN
• UDI-Device Identifier: 00613994499646
• UDI-Public: 00613994499646
• Combination Product (Y/N): N
• Initial Reporter State: VA
• Initial Reporter Country: US
• PMA/510(K) Number: K083124
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: company representative,health
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial
• Report Date (Section B): 06/05/2019

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: 8253401
• Device Catalogue Number: 8253401
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 05/20/2019
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 05/09/2019
• Initial Report FDA Received Date: 06/05/2019
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Patient Sequence Number: 1