21 CFR § 868.5905
Noncontinuous ventilator (IPPB)
June 25, 2020
(a) Identification. A noncontinuous ventilator (intermittent positive pressure breathing-IPPB) is a device intended to deliver intermittently an aerosol to a patient's lungs or to assist a patient's breathing.
(b) Classification. Class II (performance standards).