RD SET 4473Recalls & reported problems
Masimo Corporation · Neonatal/Adult Pulse Oximeter Adhesive 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 10843997013229), received between Feb 19, 2026 and Sep 28, 2026 — 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
Most reported problems
Device problems
- Low Readings3
- Failure to Sense1
- Sensing Intermittently1
- Unable to Obtain Readings1
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 28, 2026Low Readings
The customer reported that a baby undergoing phototherapy, with the SpO2 sensor shielded from light by a strip. The sensor had been reading accurately for the past two days. The baby has had stable vital signs since birth. Suddenly, the SpO2 drops to 30%. After removing the baby from phototherapy and waking him up, he showed no clinical signs of desaturation. After replacing the oxygen saturation sensor, the SpO2 level returned to 96%. There was no patient impact or consequence reported.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 50910647 ↗MalfunctionMar 30, 2026Unable to Obtain Readings; Sensing Intermittently; Failure to Sense
THE CUSTOMER REPORTED THAT THE SENSOR STOP(S) FUNCTIONING (EMITTER LIGHT SWITCH OFF), NO ALARM ON "MINDRAY MONITOR". DISCONNECT AND RECONNECT THE SENSOR DIDN'T CHANGE THE SITUATION. THERE WAS NO PATIENT IMPACT OR CONSEQUENCE REPORTED.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 24710248 ↗MalfunctionMar 4, 2026Low Readings
THE CUSTOMER REPORTED THAT "THE SPO2 VALUE MEASURED BY MINDRAY/MASIMO WAS "FALSELY" LOW COMPARED WITH FORMER PHILIPS/FAST MONITOR WITH NELLCOR SENSOR AND ABG SAO2: MINDRAY/MASIMO - LEFT HAND: SPO2 = 86; PHILIPS MP2/FAST - FOOT: SPO2 = 94; ABG: SAO2 = 92.4; 4 - 6 PTS DIFFERENCE". THERE WAS NO PATIENT IMPACT OR CONSEQUENCE REPORTED.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 24506685 ↗MalfunctionFeb 19, 2026Low Readings
THE CUSTOMER REPORTED THAT "THE SPO2 VALUES MEASURED BY THE MONITOR ARE 'FALSELY' LOW COMPARED WITH THE CLINICAL SIGNS AND BLOOD GAS RESULTS, AND WHEN COMPARED WITH OTHER PULSE OXIMETERS". "THE DELTA OBSERVED COULD VARY FROM 2 TO 15 PTS VERSUS OTHER PULSE OXIMETERS". "THIS HAS LED TO UNNECESSARY OXYGEN TREATMENT" WITH NO PATIENT IMPACT REPORTED.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 24397462 ↗
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.