Patent ID: 8875705

Claim:
An air delivery device (ADD) configured for applying fluid pressure pulses (FPP) to a mouth of a patient comprising: a. an air blower for applying an air flow to a pressure chamber via a first opening; b. an airflow occluding means (AOM) said AOM in fluid communication with said pressure chamber is located between said first opening and a second opening of said pressure chamber; c. a respiratory mask in fluid communication with said second opening and attachable to the mouth of said patient and applying said FPP at the mouth of said patient during inspiration and expiration of said patient said respiratory mask is selected from a group consisting of a patient mouthpiece and a Face Mask, and d. a control unit configured for controlling said AOM, wherein said AOM comprises a fixed disc and a rotary disc; said fixed disc and said rotary disc are cooperatively configured to interrupt and release said airflow at a predetermined variable frequency and pressure thereby generating said FPP according to a predetermined protocol during operation of said ADD.