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Nomoline 9921Recalls & reported problems

Masimo Corporation · ISA CO2 · Class 2

Adverse event reports
4
Deaths reported
0
Injuries reported
0
Recalls naming it
0

Summary

The FDA's MAUDE database contains 4 adverse event reports that list this exact device (DI 00843997014328), received between Sep 10, 2021 and Sep 4, 2025 — classified as 4 malfunctions.

The most frequently reported specific device problem is “Low Readings” (3 reports).

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. How this data works · Data updated Oct 13, 2026.

Reports received per month

Nov 2023: 0 reportsDec 2023: 0 reportsJan 2024: 0 reportsFeb 2024: 0 reportsMar 2024: 0 reportsApr 2024: 0 reportsMay 2024: 0 reportsJun 2024: 0 reportsJul 2024: 0 reportsAug 2024: 0 reportsSep 2024: 0 reportsOct 2024: 0 reportsNov 2024: 0 reportsDec 2024: 0 reportsJan 2025: 0 reportsFeb 2025: 0 reportsMar 2025: 0 reportsApr 2025: 0 reportsMay 2025: 0 reportsJun 2025: 0 reportsJul 2025: 0 reportsAug 2025: 0 reportsSep 2025: 1 reportsOct 2025: 0 reportsNov 2025: 0 reportsDec 2025: 0 reportsJan 2026: 0 reportsFeb 2026: 0 reportsMar 2026: 0 reportsApr 2026: 0 reportsMay 2026: 0 reportsJun 2026: 0 reportsJul 2026: 0 reportsAug 2026: 0 reportsSep 2026: 0 reportsOct 2026: 0 reports2024202520261
Last 36 months. The most recent month may be incomplete.

Most reported problems

Device problems

  • Low Readings3
  • Sensing Intermittently1

Patient problems

  • No Clinical Signs, Symptoms or Conditions4

Recent adverse event reports

The 4 most recent of 4 reports, in the reporter's own words as published by the FDA.

  • MalfunctionSep 4, 2025Sensing Intermittently; Sensing Intermittently

    THE CUSTOMER REPORTED THAT THE DEVICE PROVIDES INTERMITTENT READINGS. THERE WAS NO PATIENT IMPACT OR CONSEQUENCE REPORTED.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 22974425 ↗
  • MalfunctionSep 10, 2021Low Readings; Low Readings

    THE CUSTOMER REPORTED THE MODULE READS WAY TOO LOW. NO PATIENT IMPACT OR CONSEQUENCES WERE REPORTED.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 12455417 ↗
  • MalfunctionSep 10, 2021Low Readings; Low Readings

    THE CUSTOMER REPORTED THE MODULE READS WAY TOO LOW. NO PATIENT IMPACT OR CONSEQUENCES WERE REPORTED.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 12455396 ↗
  • MalfunctionSep 10, 2021Low Readings; Low Readings

    THE CUSTOMER REPORTED THE MODULE READS WAY TOO LOW. NO PATIENT IMPACT OR CONSEQUENCES WERE REPORTED.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 12455353 ↗

Other ANALYZER, GAS, CARBON-DIOXIDE, GASEOUS-PHASE devices

All ANALYZER, GAS, CARBON-DIOXIDE, GASEOUS-PHASE devices →

Sources: FDA GUDID, MAUDE and Medical Device Recalls via openFDA. openFDA data is not validated for clinical or regulatory use.