High flow therapy device utilizing a non-sealing respiratory interface and related methods
AssigneeMergenet Medical, Inc.
InventorsCharles A. Lewis, Robert M. Landis
Life of this patent
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Abstract
A high flow therapy system including a microprocessor, a heating element a non-sealing respiratory interface and a sensor is disclosed. The heating element is disposed in electrical communication with the microprocessor and is capable of heating a liquid to create a gas. The non-sealing respiratory interface is configured to deliver the gas to a patient. The sensor is disposed in electrical communication with the microprocessor and is configured to measure pressure in an upper airway of the patient.
Claims41
A high flow therapy system for delivering pressurized, heated and humidified respiratory gas to an airway of a patient, the system comprising:
- a respiratory gas flow pathway for delivering the pressurized 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 mixing area for mixing oxygen and air in the respiratory gas flow pathway;
- a humidification area for humidifying respiratory gas in the respiratory gas flow pathway;
- a heated delivery conduit for minimizing condensation of humidified respiratory gas;
- a pressure pathway
- for monitoring pressure of the airway of the patient and communicating the monitored pressure to the microprocessor;
- and,
- a sensor disposed in communication with the pressure pathway, the sensor further disposed in communication with the microprocessor and configured to measure pressure in the airway of the patient,
- wherein the system is configured for controlling the flow rate of the respiratory gas delivered to the patient based on the monitored pressure of the airway of the patient during use.
A high flow therapy device for delivering pressurized, heated and humidified respiratory gas to an airway of a patient, the high flow therapy device, comprising:
- a microprocessor configured to control a flow rate of the pressurized respiratory gas;
- a respiratory gas flow pathway;
- a mixing area for mixing oxygen and air in the respiratory gas flow pathway;
- a humidification area for humidifying respiratory gas in the respiratory gas flow pathway;
- a heated delivery conduit for minimizing condensation of humidified respiratory gas;
- a first interface
- configured to deliver the gas to a patient;
- and
- a sensor disposed in communication with the microprocessor and configured to measure pressure in an airway of the patient;
- and
- a second interface configured to facilitate measuring pressure of the airway of the patient disposed in mechanical communication with the sensor.
A high flow therapy system for delivering pressurized, heated and humidified respiratory gas to an airway of a patient, the system comprising:
- a respiratory gas flow pathway for delivering the pressurized 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 mixing area for mixing oxygen and air in the respiratory gas flow pathway;
- a humidification area for humidifying respiratory gas in the respiratory gas flow pathway;
- a heated delivery conduit for minimizing condensation of humidified respiratory gas;
- and,
- a pressure pathway for monitoring pressure of the airway of the patient and communicating the monitored pressure to the microprocessor;
- wherein the system is configured to provide for adjustment of the flow rate of the respiratory gas so that the flow rate of the respiratory gas is one of equals and exceeds the inspiratory flow rate of the patient during use.
A high flow therapy system for delivering pressurized, heated and humidified respiratory gas to an airway of a patient, the system comprising:
- a respiratory gas flow pathway for delivering the pressurized 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 mixing area for mixing oxygen and air in the respiratory gas flow pathway;
- a humidification area for humidifying respiratory gas in the respiratory gas flow pathway;
- a heated delivery conduit for minimizing condensation of humidified respiratory gas;
- and,
- a pressure pathway for monitoring pressure of the airway of the patient and communicating the monitored pressure to the microprocessor;
- wherein the system is configured to provide for adjustment of the flow rate of the respiratory gas so that the monitored inspiratory pressure of the airway of the patient during use is one of equals and exceeds the ambient air pressure.
A high flow therapy system for delivering pressurized, heated and humidified respiratory gas to an airway of a patient, the system comprising:
- a respiratory gas flow pathway for delivering the pressurized 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 mixing area for mixing oxygen and air in the respiratory gas flow pathway;
- a humidification area for humidifying respiratory gas in the respiratory gas flow pathway;
- a heated delivery conduit for minimizing condensation of humidified respiratory gas;
- and,
- a pressure pathway for monitoring pressure of the airway of the patient and communicating the monitored pressure to the microprocessor;
- wherein the system is configured to provide for adjustment of the flow rate of the respiratory gas so that entrainment of ambient air by the patient during use is one of minimized and eliminated.
Dependencies are inferred from the claim text.