Flow generating device for non-invasive ventilation or high-flow oxygen therapy and associated flow control system

摘要

Device (1, 101, 101', 201) for flow generation for non-invasive ventilation or high-flow oxygen therapy, comprising:-at least one venturi device (2,204) suitable for supplying a gas mixture;-at least one air inlet (3) into the venturi device comprising at least one throttle element (3A) suitable for dosing the amount of air sucked into the venturi device (2, 204);-an interface element (12) covering the patient's airways completely or partially and comprising an inlet opening for the mixture of fresh gases (11);-a first line (10) suitable for connecting the venturi device (2, 204) with the interface element (12);-at least one first flow meter (5, 105, 203) assigned to the venturi device (2, 204) by at least one feed connection (4) and suitable for dosing the gas mixture.