Importance

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Abstract

A device for delivering continuous positive airway pressure (CPAP) to an infant includes a pressurized source of gas containing oxygen, a variable flow control valve, a respiratory breathing circuit including a patient interface device at a terminal portion thereof, at least one pressure sensor disposed in the breathing circuit for measuring the airway pressure of the infant, and a controller for controlling the variable flow control valve. The pressure sensor samples the airway pressure at a high sample rate and reports information to the controller. The controller compares the measured pressure with the set-point pressure and controls the flow through the variable flow control valve to maintain a constant airway pressure through the infant's entire respiratory cycle.

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First Claim