Breathing treatment system and method

摘要

Humidified respiratory gas is supplied to a patient through an open cannula placed within the openings of the patient's nostrils. The open cannula allows respiratory gas to escape the patient's nostrils and thereby reduce back pressure experienced by a patient during the expiratory periods of the patient's breathing cycle. An open cannula configuration also eliminates uncomfortable masks that may otherwise prevent an obstructive breathing disordered patient from effectively using respiratory therapy.