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BIS 186-1046Recalls & reported problems

Covidien LP · Complete Monitoring System · Class 2

All models of BIS (19)

Data updated Oct 16, 2026 from official FDA records · Editorial policy

Quick summary

This Covidien BIS Complete Monitoring System is a brain-activity monitor used during surgery. Its 102 FDA reports include 2 injuries and no deaths, and mostly describe incorrect, high, or low readings, with some reports of alarm problems and overheating. No recalls name this device.

AI-generated from the FDA records on this page and checked automatically against the numbers below. Read the details before relying on it.

Adverse event reports
102
Deaths reported
0
Injuries reported
2
Recalls naming it
0

Summary

The FDA's MAUDE database contains 102 adverse event reports that list this exact device (DI 10884521129511), received between Nov 16, 2017 and Sep 28, 2026 — classified as 2 injuries, 100 malfunctions.

The most frequently reported specific device problem is “Incorrect Measurement” (43 reports).

1 other recall cover devices cleared under the same FDA submission (K072286); they may or may not involve this specific model.

Reports come from manufacturers, hospitals and patients and are not verified by the FDA. A report does not prove the device caused the event, and counts can't be used to compare devices or estimate failure rates. What reports can and can't tell you · How this data works · Data updated Oct 16, 2026.

Reports received per month

Nov 2023: 0 reportsDec 2023: 2 reportsJan 2024: 0 reportsFeb 2024: 11 reportsMar 2024: 1 reportsApr 2024: 1 reportsMay 2024: 1 reportsJun 2024: 4 reportsJul 2024: 3 reportsAug 2024: 3 reportsSep 2024: 0 reportsOct 2024: 5 reportsNov 2024: 6 reportsDec 2024: 2 reportsJan 2025: 3 reportsFeb 2025: 1 reportsMar 2025: 0 reportsApr 2025: 1 reportsMay 2025: 2 reportsJun 2025: 1 reportsJul 2025: 1 reportsAug 2025: 4 reportsSep 2025: 3 reportsOct 2025: 0 reportsNov 2025: 4 reportsDec 2025: 1 reportsJan 2026: 3 reportsFeb 2026: 1 reportsMar 2026: 2 reportsApr 2026: 1 reportsMay 2026: 2 reportsJun 2026: 0 reportsJul 2026: 0 reportsAug 2026: 2 reportsSep 2026: 1 reportsOct 2026: 0 reports20242025202611
Last 36 months. The most recent month may be incomplete.

Most reported problems

Device problems

  • Incorrect Measurement43
  • Temperature Problem17
  • High Readings13
  • Device Alarm System11
  • Image Display Error/Artifact8
  • Low Readings5
  • Device Damaged Prior to Use4
  • Display or Visual Feedback Problem4

Patient problems

  • No Clinical Signs, Symptoms or Conditions54
  • Insufficient Information34
  • No Consequences Or Impact To Patient5
  • Awareness During Anesthesia3
  • No Patient Involvement3
  • No Known Impact Or Consequence To Patient2
  • Appropriate Clinical Signs, Symptoms and Conditions Term/Code Not Available1
  • Cardiac Arrest1

Recent adverse event reports

The 25 most recent of 102 reports, in the reporter's own words as published by the FDA.

  • MalfunctionSep 28, 2026Failure to Analyze Signal

    Patient problems: Unspecified Tissue Injury

    MAUDE report 50926550 ↗
  • MalfunctionAug 25, 2026Incorrect Measurement

    It was reported that incorrect readings were observed with the product. It was unknown if there was any patient involvement or complications as a result of the event.

    Patient problems: Insufficient Information

    MAUDE report 50438997 ↗
  • MalfunctionAug 5, 2026Image Display Error/Artifact; Temperature Problem

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 50140727 ↗
  • MalfunctionMay 12, 2026Temperature Problem

    IT WAS REPORTED THAT DURING USE, THE MONITOR WAS OPERATING NORMALLY, BUT AN IGNITION OCCURRED FROM THE POWER OUTLET AND DID NOT TURN BACK ON. THERE WAS NO PATIENT INJURY.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 25155899 ↗
  • MalfunctionMay 4, 2026High Readings

    IT WAS REPORTED THAT DURING USE, THE DEVICE HAD AN INTERFERENCE AND ABNORMALLY HIGH READINGS. THERE WAS NO PATIENT INJURY.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 25068322 ↗
  • MalfunctionApr 9, 2026Insufficient Heating; Contamination /Decontamination Problem; Temperature Problem

    IT WAS REPORTED THAT THE MONITOR SMELLED STRONGLY OF DEFECTIVE ELECTRONICS AND IT BECAME WARM. THE POWER CONNECTOR AND THE MAINS SOCKET ON THE MONITOR SHOWED RESIDUES OF LIQUID OR OILY SUBSTANCES. THERE WAS NO REPORTED PATIENT INVOLVEMENT OR OUTCOME.

    Patient problems: Insufficient Information

    MAUDE report 24831939 ↗
  • MalfunctionMar 12, 2026Incorrect Measurement

    IT WAS REPORTED THAT PRIOR TO USE, DURING PRE-OPERATIVE PREPARATION, THE MONITOR EXPERIENCED A BREAKDOWN WITH INTERMITTENT READING. THERE WAS NO PATIENT INVOLVED.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 24585428 ↗
  • MalfunctionMar 12, 2026Device Alarm System

    IT WAS REPORTED THAT THE MONITOR HAD AN UNTIMELY ALARM. THERE WAS NO REPORTED PATIENT INVOLVEMENT AND OUTCOME.

    Patient problems: Insufficient Information

    MAUDE report 24578760 ↗
  • MalfunctionFeb 19, 2026Use of Device Problem

    IT WAS REPORTED THAT DURING PROCEDURE, THE MONITOR HAD A READING OF 43, HOWEVER, THE PATIENT EXPERIENCED AN EPISODE OF INTRAOPERATIVE AWARENESS. THERE WAS NO PATIENT INJURY.

    Patient problems: Awareness During Anesthesia

    MAUDE report 24390659 ↗
  • MalfunctionJan 30, 2026Incorrect Measurement

    IT WAS REPORTED THAT MEASURING WAS NOT ACCURATE WITH THE DEVICE. IT WAS UNKNOWN IF THERE WAS ANY PATIENT INVOLVEMENT OR COMPLICATIONS AS A RESULT OF THE EVENT.

    Patient problems: Insufficient Information

    MAUDE report 24228055 ↗
  • MalfunctionJan 29, 2026Device Alarm System; Image Display Error/Artifact

    IT WAS REPORTED THAT THE MONITOR DISPLAYED HARDWARE ERROR MESSAGE 2902 ON DEVICE START-UP DURING PRE-OPERATIVE PREPARATION FOR USE. THE MONITOR DID NOT ALARM WHEN THE ERROR OCCURRED. TROUBLESHOOTING STEPS INCLUDED REBOOTING THE MONITOR. THERE WAS NO PATIENT INVOLVED.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 24218776 ↗
  • MalfunctionJan 26, 2026Device Alarm System; Image Display Error/Artifact

    IT WAS REPORTED THAT THE UNIT DISPLAYED A HARDWARE TIMER ERROR (ERROR 2902) AND GAVE NO AUDIBLE ALARM WHEN THE MALFUNCTION OCCURRED. THE ERROR MESSAGE WAS CONFIRMED AND ISOLATED TO THE MONITOR, AND TROUBLESHOOTING INCLUDED SWITCHING MODULES. IT WAS UNKNOWN IF THERE WAS ANY PATIENT INVOLVEMENT OR COMPLICATIONS AS A RESULT OF THE EVENT.

    Patient problems: Insufficient Information

    MAUDE report 24177041 ↗
  • MalfunctionDec 11, 2025Device Alarm System; Incorrect Measurement; Device Alarm System; Incorrect Measurement

    IT WAS REPORTED THAT DURING TESTING AND DEMO, THE MONITOR DID NOT MEASURE CORRECTLY. THERE WERE NO ERRORS MESSAGES, AUDIO AND VISUAL ALARMS. THERE WAS NO PATIENT INVOLVEMENT.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 23785717 ↗
  • MalfunctionNov 26, 2025Incorrect Measurement; Failure to Power Up; Device Damaged Prior to Use; Incorrect Measurement; Failure to Power Up; Device Damaged Prior to Use

    IT WAS REPORTED THAT DURING USE, A DEVICE HAD INACCURATE DATA AND NOT WORKING WHEN ATTACHED TO A PATIENT, THE SCREEN KEPT TURNING OFF, AND THERE WAS A CRACK IN THE FRONT CASE. THE READINGS BECAME BETTER WHEN THE CABLE WAS SWAPPED. THERE WAS NO PATIENT INJURY.

    Patient problems: Insufficient Information

    MAUDE report 23656116 ↗
  • MalfunctionNov 14, 2025Incorrect Measurement; Incorrect Measurement

    IT WAS REPORTED THAT THE UNIT WAS PROVIDING INCORRECT READINGS FOLLOWING POST-OPERATIVE USE. THERE WAS NO PATIENT INVOLVEMENT.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 23552928 ↗
  • InjuryNov 3, 2025Display or Visual Feedback Problem; Image Display Error/Artifact; Use of Device Problem; Display or Visual Feedback Problem; Image Display Error/Artifact; Use of Device Problem

    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.

    Patient problems: Awareness During Anesthesia

    MAUDE report 23460489 ↗
  • MalfunctionNov 3, 2025Incorrect Measurement; Use of Device Problem; Incorrect Measurement; Use of Device Problem

    IT WAS REPORTED THAT THE MONITOR DISPLAYED INCONSISTENT READINGS PRIOR TO USE. ADDITIONALLY, WHEN A STIMULATOR TEST SENSOR KEY WAS USED, A SENSOR READING COULD NOT BE OBTAINED. THERE WAS NO PATIENT INVOLVED.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 23459394 ↗
  • MalfunctionSep 18, 2025Incorrect Measurement; Communication or Transmission Problem; Incorrect Measurement; Communication or Transmission Problem

    IT WAS REPORTED THAT DURING TESTING AND MAINTENANCE OF THE DEVICE, THE SENSOR WAS SPORADICALLY READING AND THEN STOPPED WORKING. SENSORS WERE SWAPPED WITH KNOWN WORKING SENSORS TO ISOLATE THE ISSUE, BUT THE SAME PROBLEM PERSISTED. POWER CYCLING THE DEVICE A COUPLE OF TIMES ALLOWED THE SENSOR TO START READING CORRECTLY. THERE WAS NO PATIENT INVOLVED.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 23083474 ↗
  • MalfunctionSep 17, 2025Incorrect Measurement; Communication or Transmission Problem; Incorrect Measurement; Communication or Transmission Problem

    IT WAS REPORTED THAT DURING TESTING AND MAINTENANCE OF THE DEVICE, THE SENSOR WAS READING SPORADICALLY, WOULD STOP WORKING, AND ONLY STARTED READING CORRECTLY AFTER POWER CYCLING THE DEVICE MULTIPLE TIMES. THE DEVICE WAS UNABLE TO RECOGNIZE THE SENSOR AT TIMES. KNOWN WORKING SENSORS WERE SWAPPED IN, BUT THE SAME ISSUES PERSISTED. THERE WAS NO PATIENT INVOLVED.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 23077433 ↗
  • MalfunctionSep 11, 2025Incorrect Measurement; Incorrect Measurement

    IT WAS REPORTED THAT DURING A PROCEDURE, THE DEVICE DID NOT READ CORRECTLY. THERE WAS NO PATIENT INJURY.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 23027882 ↗
  • MalfunctionAug 29, 2025Failure to Power Up; Temperature Problem; Failure to Power Up; Temperature Problem

    IT WAS REPORTED THAT THE UNIT DID NOT TURN ON. THERE WAS NO REPORTED PATIENT INVOLVEMENT OR OUTCOME. MEDTRONIC'S INITIAL EVALUATION OF THE INCIDENT DEVICE FOUND THE POWER SUPPLY SMELLED BURNED.

    Patient problems: Insufficient Information

    MAUDE report 22921443 ↗
  • MalfunctionAug 29, 2025Display or Visual Feedback Problem; Incorrect Measurement; Display or Visual Feedback Problem; Incorrect Measurement

    IT WAS REPORTED THAT PRIOR TO USE, THE UNIT¿S SCREEN WENT BLACK AND THEN SHOWED INCORRECT READINGS. THERE WAS NO PATIENT INVOLVEMENT.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 22921417 ↗
  • MalfunctionAug 26, 2025Incorrect Measurement; Incorrect Measurement

    IT WAS REPORTED THAT THE MONITOR INITIALLY DISPLAYED READINGS OF 46-47, THEN INCREASED TO 61 BEFORE DROPPING BACK TO PREVIOUS LEVELS WHILE THE PATIENT REMAINED CONSCIOUS AND RESPONSIVE. THERE WAS NO PATIENT INVOLVEMENT.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 22894458 ↗
  • MalfunctionAug 5, 2025Device Alarm System; Failure to Run on Battery; Device Alarm System; Failure to Run on Battery

    IT WAS REPORTED THAT, DURING PRE-OPERATIVE PREPARATION FOR USE, A BATTERY FAILURE WAS OBSERVED. NO AUDIBLE OR VISIBLE ALARM WAS PRESENTED FOR THE FAILURE.  THERE WAS NO PATIENT INVOLVED.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 22719031 ↗
  • MalfunctionJul 30, 2025Incorrect Measurement; Incorrect Measurement

    IT WAS REPORTED THAT THE MONITOR EXHIBITED INCORRECT VALUES. IT WAS UNKNOWN IF THERE WAS ANY PATIENT INVOLVEMENT OR COMPLICATIONS AS A RESULT OF THE EVENT.

    Patient problems: Insufficient Information

    MAUDE report 22668992 ↗

Recalls under the same FDA submission

These recalls involve devices cleared under K072286. One submission often covers many models, so check the product and lot details in each record.

  • Z-2958-2018 · Jul 26, 2018 · Open, Classified
    Li-ion battery packs used in BIS Vista and BIS View Monitoring Systems. Product Number/CFN: 186-0208 UDI-Device Identifier (GTIN/UPN): 10884521130319

Other Index-generating electroencephalograph software devices

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Sources and updates

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