AF531 AF531 Mask EE, LEAK 1, with CapStrap, Large, Single UseRecalls & reported problems
Respironics, Inc. · AF531 Mask with Entrainment Elbow, LEAK 1, with CapStrap, Large, Single Use · Class 2
Data updated Oct 18, 2026 from official FDA records · Editorial policy
- Adverse event reports
- 1
- Deaths reported
- 0
- Injuries reported
- 1
- Recalls naming it
- 0
Summary
The FDA's MAUDE database contains 1 adverse event report that list this exact device (DI 00606959004603), received between Mar 15, 2021 and Mar 15, 2021 — classified as 1 injury.
The most frequently reported specific device problem is “Mechanical Problem” (1 report).
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 18, 2026.
Most reported problems
Device problems
- Mechanical Problem1
Patient problems
- Hypoxia1
Recent adverse event reports
The 1 most recent of 1 reports, in the reporter's own words as published by the FDA.
InjuryMar 15, 2021Mechanical Problem; Mechanical Problem
THE MANUFACTURER WAS MADE AWARE OF AN EVENT OCCURRING WHILE AN (B)(4) MASK WAS IN USE. A COVID+ PATIENT WAS PLACED ON BI-LEVEL POSITIVE AIRWAY PRESSURE (BIPAP) VENTILATION 2 DAYS BEFORE THE EVENT. THE PATIENT REPORTEDLY ROLLED OVER IN BED, DISLODGING THE MASK FROM THE BIPAP CIRCUIT, AND DECOMPENSATED IMMEDIATELY, RESULTING IN THE NEED FOR BAGGING TO CORRECT HYPOXEMIA. THE MASK WAS THEN RECONNECTED AND NIV WAS REINSTITUTED. THE MASK IS NOT AVAILABLE FOR INVESTIGATION. THE (B)(4) LEAK 1 FACE MASK IS INTENDED TO PROVIDE AN INTERFACE FOR APPLICATION OF CPAP OR BI-LEVEL THERAPY TO PATIENTS. THE MASK IS FOR SINGLE USE IN THE HOSPITAL/INSTITUTIONAL ENVIRONMENT ONLY. THE MASK IS TO BE USED ON PATIENTS (>30 KG) FOR WHOM CPAP OR BI-LEVEL THERAPY HAS BEEN PRESCRIBED. LABELING WARNS THE CAREGIVER "THIS MASK IS NOT SUITABLE FOR PROVIDING LIFE SUPPORT VENTILATION. THIS MASK SHOULD NOT BE USED FOR PATIENTS WHO ARE UNCOOPERATIVE, OBTUNDED, UNRESPONSIVE, OR UNABLE TO REMOVE THE MASK. APPROPRIATE PATIENT MONITORING SHOULD BE USED AS MEDICALLY NECESSARY. PATIENT, VENTILATOR, AND CIRCUIT MUST BE MONITORED ON A REGULAR BASIS PER ESTABLISHED STANDARDS OF CARE." THE USE OF THIS MASK IS CONTRAINDICATED IN
Patient problems: Hypoxia
MAUDE report 11485065 ↗
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Sources and updates
- Device record: FDA GUDID, file dated Oct 13, 2026 · View this device in AccessGUDID ↗
- Adverse event reports: FDA MAUDE, file dated Oct 14, 2026 · each report above links to its original FDA record
- Recalls: FDA Medical Device Recalls, file dated Oct 16, 2026
- Page last rebuilt: Oct 18, 2026. Data downloaded through openFDA, which notes it is not validated for clinical or regulatory use.
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