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 patients who are unable to remove the mask by themselves.Based on the information available, the manufacturer concludes no further action is necessary.
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