A large variety of airway clearance devices are commercially available, the two most recent being the Quake® and the Lung Flute®. The Quake is a pipe-shaped oscillatory PEP device that bears ...

Airway clearance devices such as high-frequency chest wall oscillation HFCWO vests, positive expiratory pressure PEP devices, and oscillatory PEP devices play a vital role in breaking up and ...