MAUDE Adverse Event Report: COVIDIEN LLC BIS; INDEX-GENERATING ELECTROENCEPHALOGRAPH SOFTWAR

Model Number	186-1046
Medical Device Problem Codes	Display or Visual Feedback Problem (1184); Image Display Error/Artifact (1304); Use of Device Problem (1670)
Health Effect - Clinical Code	Awareness during Anaesthesia (1707)
Date of Event	08/12/2025
Type of Reportable Event	Serious Injury
Event or Problem Description
It was reported that the screen did not react to touch and an unrecoverable error occurred during procedure.The patient regained consciousness during surgery despite being under anesthesia.
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
Additional information: g3, g6, h2, h3, h6 evaluation summary: medtronic conducted an investigation based upon all information received.The device was available for evaluation.It was reported that the screen did not react to touch and an unrecoverable error occurred during procedure.The reported issue was confirmed.The most likely cause was traced to a component failure.The evaluation detected an unreported condition: damaged back cover and pole clamp.The most likely cause for the additional condition had no relationship to the reported condition.The manufacturing records for each device are thoroughly reviewed prior to release to ensure that it meets all medtronic quality specifications.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 the screen did not react to touch and an unrecoverable error occurred during procedure.The patient regained co nsciousness during surgery despite being under anesthesia.

• Brand Name: BIS
• Common Device Name: INDEX-GENERATING ELECTROENCEPHALOGRAPH SOFTWAR
• Manufacturer (Section D): COVIDIEN LLC; 6135 gunbarrel ave; boulder,co
• Manufacturer (Section G): COVIDIEN LLC; 6135 gunbarrel ave; boulder,co
• Manufacturer Contact: mike bocchino ; 8200 coral sea st ne; mounds view, MN 55112-4391 ; 8006464633
• MDR Report Key: 23460489
• Report Number: 2936999-2025-00539
• Device Sequence Number: 10546321
• Product Code: OLW
• UDI-Device Identifier: 10884521129511
• UDI-Public: (01)10884521129511(11)150824
• Combination Product (Y/N): N
• Initial Reporter Country: SF
• PMA/510(K) Number: K072286
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Foreign
• Initial Reporter Occupation: Other
• Type of Report: Initial,Followup
• Report Date (Section B): 12/11/2025

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: Yes
• Operator of Device: Health Professional
• Device Model Number: 186-1046
• Device Catalogue Number: 186-1046
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 09/19/2025
• Is the Reporter a Health Professional?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 10/09/2025
• Supplement Date Received by Manufacturer: 11/28/2025
• Initial Report FDA Received Date: 11/03/2025
• Supplement Report FDA Received Date: 12/11/2025
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• 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: Unknown
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Other
• Patient Sex: Unknown