Nellcor MAXI-NSRecalls & reported problems
Covidien LP · Infant SpO2 Sensor · 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 20884522041284), received between Apr 25, 2025 and Jul 9, 2025 — classified as 4 malfunctions.
The most frequently reported specific device problem is “Low Readings” (3 reports).
1 other recall cover devices cleared under the same FDA submission (K012891); 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. How this data works · Data updated Oct 13, 2026.
Reports received per month
Most reported problems
Device problems
- Low Readings3
- Defective Device2
- Incorrect Measurement1
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.
MalfunctionJul 9, 2025Low Readings; Low Readings
IT WAS REPORTED THAT THE NEWBORN PATIENT'S O2 SATURATION READING ON THE RIGHT WRIST AND RIGHT FOOT WAS REPORTED TO BE 88-93%. FOLLOWING THE SECOND PULSE OXYGEN TEST, THE O2 SATURATION ON THE RIGHT WRIST AND RIGHT FOOT WAS 88%-90%. AN OXYGEN SATURATION READING OF 98% WAS OBTAINED ON THE RIGHT FOOT WHEN ANOTHER PULSE OXIMETER WAS USED. THE PULSE OXIMETER THAT WAS ATTACHED TO THE RIGHT WRIST WAS REMOVED, AND THE PULSE OXIMETER FROM THE RIGHT FOOT WAS MOVED TO THE RIGHT WRIST AND DISPLAYED O2 SATURATION OF 98%. THE INFANT WAS IN THE RADIANT WARMER UNDER PHOTOTHERAPY BUT THE PHOTOTHERAPY LIGHTS WERE TURNED OFF. THE PATIENT HAD A FAIR SKIN STONE. THERE WAS NO PATIENT INJURY.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 22461232 ↗MalfunctionJul 9, 2025Low Readings; Low Readings
IT WAS REPORTED THAT THE NEWBORN PATIENT'S O2 SATURATION READING ON THE RIGHT WRIST AND RIGHT FOOT WAS REPORTED TO BE 88-93%. FOLLOWING THE SECOND PULSE OXYGEN TEST, THE O2 SATURATION ON THE RIGHT WRIST AND RIGHT FOOT WAS 88%-90%. AN OXYGEN SATURATION READING OF 98% WAS OBTAINED ON THE RIGHT FOOT WHEN ANOTHER PULSE OXIMETER WAS USED. THE PULSE OXIMETER THAT WAS ATTACHED TO THE RIGHT WRIST WAS REMOVED, AND THE PULSE OXIMETER FROM THE RIGHT FOOT WAS MOVED TO THE RIGHT WRIST AND DISPLAYED O2 SATURATION OF 98%. THERE WAS NO PATIENT INJURY.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 22461188 ↗MalfunctionMay 7, 2025Incorrect Measurement; Defective Device; Incorrect Measurement; Defective Device
IT WAS REPORTED THAT AN SPO2 SENSOR WAS NOT GETTING ACCURATE READINGS. THE USER CHECKED IF THE PRODUCT WAS ON AND FOUND EXPOSED WIRES. THE END WAS PULLED APART AND TAPED OFF, REVEALING THE WIRES. NO PATIENT COMPLICATIONS OR HARMS WERE REPORTED AS A RESULT OF THE ISSUE.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 21979070 ↗MalfunctionApr 25, 2025Low Readings; Defective Device; Low Readings; Defective Device
IT WAS REPORTED THAT DURING INTRA-OPERATIVE USE, A NURSE NOTED LOW OXYGEN SATURATION LEVELS AND INVESTIGATED WHETHER TO REPLACE THE SENSOR OR SIMPLY REATTACH IT, AS IT HAD BEEN REPLACED TWO TO THREE HOURS EARLIER. UPON REMOVING THE SOCK THAT WAS KEEPING IT IN PLACE, IT WAS FOUND THAT THE TAPE WAS OFF AND WIRES WERE EXPOSED ON THE SENSOR. NUMERICAL VALUES SHOWED 60S-70S%, WHEREAS THEY HAD BEEN GREATER THAN 92% EARLIER. THE MONITOR WAS SET TO GENERAL PEDIATRIC SETTINGS. A NEW PROBE WAS PLACED, WHICH AGAIN SHOWED VALUES GREATER THAN 92%. THERE WAS NO VISUAL ALARM. NO PATIENT COMPLICATIONS HAVE BEEN REPORTED AS A RESULT OF THIS EVENT.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 21910541 ↗
Recalls under the same FDA submission
These recalls involve devices cleared under K012891. One submission often covers many models, so check the product and lot details in each record.
- Z-0664-05 · Oct 18, 2004 · TerminatedNellcor brand OxiMax Pulse Oximeter, model number N-595 Made in Ireland; Distributed by Tyco Healthcare Group, LP, Nellcor Puritan Bennett, Inc., Pleasanton, CA 94588 U.S.A.
Other Oximeter devices
- Trilogy Trilogy100 Ventilator, InternationalRespironics, Inc. · Oximeter8 deaths2,493 reports
- Trilogy Trilogy 202 Ventilator, United StatesRespironics, Inc. · Oximeter2 deaths1,594 reports
- HAMILTON-G5 159001Hamilton Medical AG · Oximeter18 deaths1,440 reports
- Trilogy Trilogy100 Ventilator, GermanyRespironics, Inc. · Oximeter696 reports
- Model EMV+ Vent, Army, MRI 799-EMVP-04Zoll Medical Corporation · Oximeter1 death605 reports
- Trilogy Evo, O2, Japan JP2100X16BRespironics, Inc. · Oximeter4 recalls5 deaths342 reports
- Model EMV+ Vent, Army, COMMERCIAL 799-EMVP-01-01Zoll Medical Corporation · Oximeter1 death497 reports
- HAMILTON-G5 159002Hamilton Medical AG · Oximeter3 deaths451 reports
Sources: FDA GUDID, MAUDE and Medical Device Recalls via openFDA. openFDA data is not validated for clinical or regulatory use.