Patent ID: 6167881
Filing Date: 2001-01-02
Classification: A61H,A61M

Abstract:
An apparatus for assisting a patient in loosening phlegm and mucus collected in a patient's lungs, bronchial and/or tracheal passages comprising: a hollow housing having a cap portion and a base portion, said cap portion forming at least part of an acoustic coupling chamber, said cap portion having a mouthpiece with at least one hole therethrough leading out of said cap portion; an electronic audio signal generator housed within said base portion having an acoustic transducer coupled to said cap portion, said generator transmitting sonic pressure pulses into said coupling chamber; and said mouthpiece coupling the acoustic coupling chamber into a patient's airways when the mouthpiece is held in a patient's mouth and permitting a patient to breathe through the hole while said coupling chamber directs said pressure pulses from said acoustic transducer into a patient's airways.