A high flow therapy system for delivering heated and humidified respiratory gas to an airway of a patient, the system including a respiratory gas flow pathway for delivering the respiratory gas to the airway of the patient by way of a non-sealing respiratory interface; wherein flow rate of the pressurized respiratory gas is controlled by a microprocessor.

A ventilator includes an enclosure, a tubing configured to receive an input gas, and a flow outlet airline in fluid communication with the tubing. The flow outlet airline includes an airline outlet. The ventilator further includes a breath detection airline including an airline inlet. The airline inlet is separated from the airline outlet of the flow outline airline. The ventilator further includes a pressure sensor in direct fluid communication with the breath detection airline. The ventilator includes a controller in electronic communication with the pressure sensor and an internal oxygen concentrator in fluid communication with the tubing. The internal oxygen concentrator is entirely disposed inside the enclosure.

Methods and systems are provided for delivering anesthetic agent to a patient. In one embodiment, a liquid anesthetic agent container includes a base region, an interior of the base region configured to hold liquid anesthetic agent, an adapter region, and a capillary force vaporizer (CFV) housed in the adapter region. The adapter region includes a coupling end configured to couple to a patient breathing circuit to supply anesthetic agent vaporized by the CFV to a patient.

Systems and methods for nitric oxide (NO) generation systems are provided. In some embodiments, an NO generation system comprises at least one pair of electrodes configured to generate a product gas containing NO from a flow of a reactant gas. The electrodes have elongated surfaces such that a plasma produced is carried by the flow of the reactant gas and glides along the elongated surfaces from a first end towards a second end of the electrode pair. A controller is configured to regulate the amount of NO in the product gas by the at least one pair of electrodes using one or more parameters as an input to the controller. The one or more parameters include information from a plurality of sensors configured to collect information relating to at least one of the reactant gas, the product gas, and a medical gas into which the product gas flows.

A system (1000) feeds substances to a patient (30) with a ventilation of the patient and with an oxygenation of the patient. The system (1000) has at least one ventilation system (1), a sedation by inhalation system (17) with a dispensing system (7), an oxygenation system (2), a breathing gas dispensing path (3), a purge gas dispensing path (4), a breathing gas connection system (5), a connection element (25) located adjacent to the patient, an oxygenation connection system (6) and a switching unit (8). The switching unit (8) is configured to distribute and to split a quantity of an inhalable substance dispensed into a gas mixture by means of the dispensing system (7) between the connection element (25) located adjacent to the patient and the oxygenation system (2). At least one control unit (9, 10, 11, 12) is configured to control the switching unit (8) and/or the system (1000).

A high flow therapy system for delivering heated and humidified respiratory gas to an airway of a patient includes a respiratory gas flow pathway for delivering the respiratory gas to the airway of the patient by way of a non-sealing respiratory interface; wherein flow rate of the respiratory gas is controlled by a microprocessor, a mixing area for mixing a first gas and a second gas in the respiratory gas flow pathway, a humidification area downstream of the mixing area and configured for humidifying respiratory gas in the respiratory gas flow pathway, and a heated delivery conduit for minimizing condensation of humidified respiratory gas.

A ventilator system, comprising: an inhalation pathway comprising an ambient air inlet, a bi-directional emergency valve, and a dynamic blower; and an exhalation pathway comprising a bi-directional exhalation valve and an exhalation port; wherein when a blockage occurs in the inhalation pathway, ambient air can be drawn from the exhalation port and through the bi-directional exhalation valve, and during exhalation exhalant exits the ventilator through the bi-directional exhalation valve and the exhalation port; wherein when a blockage occurs in the exhalation pathway, inhalant is delivered by the dynamic blower, and during exhalation the dynamic blower lowers its speed or stops and the exhalant exits the ventilator through the bi-directional emergency valve, the dynamic blower, and the ambient air inlet.

A positive airway pressure device is disclosed herein. The positive airway pressure device includes a blower, a buffer chamber, a gas manifold, a first sensor, a second sensor, and a controller. The buffer chamber is downstream of the blower. The buffer chamber configured to receive gas generated by the blower and output the gas to a patient. The gas manifold is fluidly coupling the blower to the buffer chamber. The first sensor is at least partially disposed in the gas manifold. The first sensor is configured to measure a first pressure in the gas manifold. The second sensor is at least partially disposed in the buffer chamber. The second sensor is configured to measure a second sensor in the buffer chamber.

A method and a control unit for executing the method. The method is a method for regulating a gas flow of at least one first gas to be admixed to at least one second gas. The method comprises at least one method step of a control of a gas valve. At least one manipulated variable for the control of the gas valve is determined from at least one correction regulator component and at least one feedforward component, the input variable of the feedforward component being a predicted gas flow setpoint value of the first gas.

Systems and methods for nitric oxide (NO) generation systems are provided. In some embodiments, an NO generation system comprises at least one pair of electrodes configured to generate a product gas containing NO from a flow of a reactant gas. The electrodes have elongated surfaces such that a plasma produced is carried by the flow of the reactant gas and glides along the elongated surfaces from a first end towards a second end of the electrode pair. A controller is configured to regulate the amount of NO in the product gas by the at least one pair of electrodes using one or more parameters as an input to the controller. The one or more parameters include information from a plurality of sensors configured to collect information relating to at least one of the reactant gas, the product gas, and a medical gas into which the product gas flows.