Patent ID: 8567400

Claim:
A nasal continuous positive airway pressure device for use in a CPAP system to assist patient breathing, the device comprising: a generator body forming: an inlet for fluid connection to a source of pressurized gas, a chamber fluidly connected to the inlet, first and second flow circuits fluidly connected to the chamber, each of the flow circuits including: first and second jets each defining an inlet end and an outlet end, the inlet end fluidly connected to the chamber, a flow director defining: a jet side fluidly connected to the outlet ends of the jets, a patient side opposite the jet side for directing gas from the patient's naris, a first wall section between the jet and patient sides, the first wall section having an inlet end and an outlet end, the first wall section tapering in diameter toward the patient side, a second wall section between the first wall section and the patient side, the second wall section having an inlet end and an outlet end, the second wall section tapering in diameter toward the jet side, the outlet end of the second wall section substantially abutting the outlet end of the first wall section.