Abstract: A humidification canister for humidifying a breathing gas, the humidification canister includes a fluid supply configured to supply a fluid and a first gas flow path in fluid communication with the fluid supply. A first gas flow path is configured to humidify the breathing gas with the fluid. A second gas flow path at least partially surrounds the first gas flow path. A method of insulating a breathing gas in a humidification canister using a gas is also disclosed.

Abstract: A humidification canister for humidifying a breathing gas, the humidification canister includes a fluid supply configured to supply a fluid and a first gas flow path in fluid communication with the fluid supply. A first gas flow path is configured to humidify the breathing gas with the fluid. A second gas flow path at least partially surrounds the first gas flow path. A method of insulating a breathing gas in a humidification canister using a gas is also disclosed.

Abstract: A humidification canister for humidifying a breathing gas, the humidification canister includes a fluid supply configured to supply a fluid and a first gas flow path in fluid communication with the fluid supply. A first gas flow path is configured to humidify the breathing gas with the fluid. A second gas flow path at least partially surrounds the first gas flow path. A method of insulating a breathing gas in a humidification canister using a gas is also disclosed.

Abstract: Nebulizer systems, apparatus, and methods are disclosed. The apparatus includes a body, a breathing gas inlet and outlet, and a barrier. The body is sized to be positioned within an adaptor of the nebulizer system. The breathing gas inlet and the breathing gas outlet are at opposite ends of the body. The barrier is coupled to the body. A plurality of holes are formed in the barrier. The plurality of holes open in a direction orthogonal to the breathing gas inlet. The system employs the apparatus in conjunction with a nebulizer and an adaptor. The method includes generating an aerosolized medicament, providing the aerosolized medicament to the adaptor, passing the aerosolized medicament through the barrier of the apparatus, providing a breathing gas to the apparatus, and flowing the aerosolized medicament and the breathing gas through the breathing gas outlet of the apparatus.

Abstract: Systems, devices, and methods for coupling a tracheostomy tube to a source of humidified breathing gas are disclosed. An adaptor includes a housing, a tracheostomy tube connection device, and a baffle. The housing has an interior surface, an exterior surface, and a breathing gas port. The tracheostomy tube connection device is positioned within the housing and includes an input port for receiving a flow of humidified breathing gas from the breathing gas port and an output port for coupling with the tracheostomy tube. The tracheostomy tube connection device has an internal surface defining a breathing gas passage and an external surface spaced from the interior surface of the housing to create a condensation passage. The baffle may be positioned between the breathing gas port and the input port to cause controlled condensation from the flow of humidified breathing gas by disrupting the flow of humidified breathing gas.

Abstract: Systems and methods for respiratory therapy are disclosed. The system may include a nebulizer, an adaptor, and a nasal cannula. The nebulizer is operable to generate an aerosolized medicament and pass the aerosolized medicament through a nebulizer outlet port. The adaptor has a nebulizer coupling port configured to be coupled to the nebulizer outlet port. The nasal cannula is configured to provide a flow of breathing gas from a breathing gas source to the patient. The nasal cannula comprises at least one nasal prong and an attachment device positioned adjacent the at least one nasal prong. The attachment device is configured to secure the adaptor outlet port adjacent an outlet of the nasal prong. The method includes securing a nasal cannula to the patient, attaching an adaptor to the nasal cannula, generating an aerosolized medicament, transferring the aerosolized medicament into the adaptor, and providing a flow of breathing gas to the patient.

Abstract: Devices for providing respiratory therapy to a patient are disclosed. One device includes first and second elongated lumens and a nosepiece. The elongated lumens each have a constant internal diameter. The nosepiece portion has a third lumen and a fourth lumen. The third and fourth lumens have constant internal diameters equal to those of the first and second lumens. The third and fourth lumens have inlet ends adapted to be connected to the outlet ends of the first and second lumens without constricting the internal diameter of the first and second lumens. The third and fourth lumens are configured to receive first and second flows of breathing gas from the first and second lumens and deliver the flows of breathing gas to outlets end of the third and fourth lumens. The second flow of breathing gas is maintained separate from the first flow of breathing gas within the nosepiece portion.

Abstract: Systems, devices, and methods for coupling a tracheostomy tube to a source of humidified breathing gas are disclosed. An adaptor includes a housing, a tracheostomy tube connection device, and a baffle. The housing has an interior surface, an exterior surface, and a breathing gas port. The tracheostomy tube connection device is positioned within the housing and includes an input port for receiving a flow of humidified breathing gas from the breathing gas port and an output port for coupling with the tracheostomy tube. The tracheostomy tube connection device has an internal surface defining a breathing gas passage and an external surface spaced from the interior surface of the housing to create a condensation passage. The baffle may be positioned between the breathing gas port and the input port to cause controlled condensation from the flow of humidified breathing gas by disrupting the flow of humidified breathing gas.

Abstract: Devices for providing respiratory therapy to a patient are disclosed. One device includes first and second elongated lumens and a nosepiece. The elongated lumens each have a constant internal diameter. The nosepiece portion has a third lumen and a fourth lumen. The third and fourth lumens have constant internal diameters equal to those of the first and second lumens. The third and fourth lumens have inlet ends adapted to be connected to the outlet ends of the first and second lumens without constricting the internal diameter of the first and second lumens. The third and fourth lumens are configured to receive first and second flows of breathing gas from the first and second lumens and deliver the flows of breathing gas to outlets end of the third and fourth lumens. The second flow of breathing gas is maintained separate from the first flow of breathing gas within the nosepiece portion.

Abstract: Systems and methods for respiratory therapy are disclosed. The system may include a nebulizer, an adaptor, and a nasal cannula. The nebulizer is operable to generate an aerosolized medicament and pass the aerosolized medicament through a nebulizer outlet port. The adaptor has a nebulizer coupling port configured to be coupled to the nebulizer outlet port. The nasal cannula is configured to provide a flow of breathing gas from a breathing gas source to the patient. The nasal cannula comprises at least one nasal prong and an attachment device positioned adjacent the at least one nasal prong. The attachment device is configured to secure the adaptor outlet port adjacent an outlet of the nasal prong. The method includes securing a nasal cannula to the patient, attaching an adaptor to the nasal cannula, generating an aerosolized medicament, transferring the aerosolized medicament into the adaptor, and providing a flow of breathing gas to the patient.

Abstract: Apparatus and methods for delivering humidified breathing gas to a patient are provided. The apparatus includes a humidification system configured to deliver humidified breathing gas to a patient. The humidification system includes a vapor transfer unit and a base unit. The vapor transfer unit includes a liquid passage, a breathing gas passage, and a vapor transfer device positioned to transfer vapor to the breathing gas passage from the liquid passage. The base unit includes a base unit that releasably engages the vapor transfer unit to enable reuse of the base unit and selective disposal of the vapor transfer unit. The liquid passage is not coupled to the base unit for liquid flow therebetween when the vapor transfer unit is received by the base unit.

Abstract: Systems and methods for providing respiratory therapy with varying flow rates are disclosed. A system comprises a source of breathing gas, a patient interface, and a flow control device. The flow control device is configured to automatically change a rate of the flow of breathing gas. The flow control device may vary the rate of the flow of breathing gas at a frequency slower than a frequency of breathing of the patient. A method comprises coupling a patient interface to the patient, providing the flow of breathing gas to an inlet port of the patient interface, and automatically changing a rate of the flow of breathing gas with a flow control device in communication with the flow of breathing gas. The method may also comprise varying the rate of the flow of breathing gas at a frequency slower than a frequency of breathing of the patient.

Abstract: Apparatus and methods for delivering humidified breathing gas to a patient are provided. The apparatus includes a humidification system configured to deliver humidified breathing gas to a patient. The humidification system includes a vapor transfer unit and a base unit. The vapor transfer unit includes a liquid passage, a breathing gas passage, and a vapor transfer device positioned to transfer vapor to the breathing gas passage from the liquid passage. The base unit includes a base unit that releasably engages the vapor transfer unit to enable reuse of the base unit and selective disposal of the vapor transfer unit. The liquid passage is not coupled to the base unit for liquid flow therebetween when the vapor transfer unit is received by the base unit.

Abstract: Nebulizer systems, apparatus, and methods are disclosed. The apparatus includes a body, a breathing gas inlet and outlet, and a barrier. The body is sized to be positioned within an adaptor of the nebulizer system. The breathing gas inlet and the breathing gas outlet are at opposite ends of the body. The barrier is coupled to the body. A plurality of holes are formed in the barrier. The plurality of holes open in a direction orthogonal to the breathing gas inlet. The system employs the apparatus in conjunction with a nebulizer and an adaptor. The method includes generating an aerosolized medicament, providing the aerosolized medicament to the adaptor, passing the aerosolized medicament through the barrier of the apparatus, providing a breathing gas to the apparatus, and flowing the aerosolized medicament and the breathing gas through the breathing gas outlet of the apparatus.

Abstract: Nebulizer systems, apparatus, and methods are disclosed. The apparatus includes a body, a breathing gas inlet and outlet, and a barrier. The body is sized to be positioned within an adaptor of the nebulizer system. The breathing gas inlet and the breathing gas outlet are at opposite ends of the body. The barrier is coupled to the body. A plurality of holes are formed in the barrier. The plurality of holes open in a direction orthogonal to the breathing gas inlet. The system employs the apparatus in conjunction with a nebulizer and an adaptor. The method includes generating an aerosolized medicament, providing the aerosolized medicament to the adaptor, passing the aerosolized medicament through the barrier of the apparatus, providing a breathing gas to the apparatus, and flowing the aerosolized medicament and the breathing gas through the breathing gas outlet of the apparatus.

Abstract: Systems and methods for respiratory therapy are disclosed. The system may include a nebulizer, an adaptor, and a nasal cannula. The nebulizer is operable to generate an aerosolized medicament and pass the aerosolized medicament through a nebulizer outlet port. The adaptor has a nebulizer coupling port configured to be coupled to the nebulizer outlet port. The nasal cannula is configured to provide a flow of breathing gas from a breathing gas source to the patient. The nasal cannula comprises at least one nasal prong and an attachment device positioned adjacent the at least one nasal prong. The attachment device is configured to secure the adaptor outlet port adjacent an outlet of the nasal prong. The method includes securing a nasal cannula to the patient, attaching an adaptor to the nasal cannula, generating an aerosolized medicament, transferring the aerosolized medicament into the adaptor, and providing a flow of breathing gas to the patient.

Abstract: A system for respiratory therapy that includes a nebulizer, an adaptor, and a nasal cannula. The nebulizer is operable to generate an aerosolized medicament and pass the aerosolized medicament through a nebulizer outlet port. The adaptor has a nebulizer coupling port configured to be coupled to the nebulizer outlet port. The nasal cannula is configured to provide a flow of breathing gas from a breathing gas source to the patient. The nasal cannula includes at least one nasal prong and an attachment device positioned adjacent the at least one nasal prong. The attachment device is configured to secure the adaptor outlet port adjacent an outlet of the nasal prong. A method for respiratory therapy includes securing a nasal cannula to the patient, attaching an adaptor to the nasal cannula, generating an aerosolized medicament, transferring the aerosolized medicament into the adaptor, and providing a flow of breathing gas to the patient.

Abstract: Nebulizer systems, apparatus, and methods are disclosed. The apparatus includes a body, a breathing gas inlet and outlet, and a barrier. The body is sized to be positioned within an adaptor of the nebulizer system. The breathing gas inlet and the breathing gas outlet are at opposite ends of the body. The barrier is coupled to the body. A plurality of holes are formed in the barrier. The plurality of holes open in a direction orthogonal to the breathing gas inlet. The system employs the apparatus in conjunction with a nebulizer and an adaptor. The method includes generating an aerosolized medicament, providing the aerosolized medicament to the adaptor, passing the aerosolized medicament through the barrier of the apparatus, providing a breathing gas to the apparatus, and flowing the aerosolized medicament and the breathing gas through the breathing gas outlet of the apparatus.

Abstract: Apparatus and methods for delivering humidified breathing gas to a patient are provided. The apparatus includes a humidification system configured to deliver humidified breathing gas to a patient. The humidification system includes a vapor transfer unit and a base unit. The vapor transfer unit includes a liquid passage, a breathing gas passage, and a vapor transfer device positioned to transfer vapor to the breathing gas passage from the liquid passage. The base unit includes a base unit that releasably engages the vapor transfer unit to enable reuse of the base unit and selective disposal of the vapor transfer unit. The liquid passage is not coupled to the base unit for liquid flow therebetween when the vapor transfer unit is received by the base unit.

Abstract: Systems and methods for providing respiratory therapy with varying flow rates are disclosed. A system comprises a source of breathing gas, a patient interface, and a flow control device. The flow control device is configured to automatically change a rate of the flow of breathing gas. The flow control device may vary the rate of the flow of breathing gas at a frequency slower than a frequency of breathing of the patient. A method comprises coupling a patient interface to the patient, providing the flow of breathing gas to an inlet port of the patient interface, and automatically changing a rate of the flow of breathing gas with a flow control device in communication with the flow of breathing gas. The method may also comprise varying the rate of the flow of breathing gas at a frequency slower than a frequency of breathing of the patient.