The present invention relates to a system for real-time determination of a local strain of a lung during artificial ventilation. The system comprises a device for electrical impedance tomography (EIT), which device is configured to capture an electrical impedance distribution along at least one two-dimensional section through a human thorax, and further comprises a device for assigning the captured electrical impedance distribution, which device is configured to divide the captured electrical impedance distribution at different times during the artificial ventilation into a multiplicity of EIT pixels and to assign a specific value of the electrical impedance at a specific time to a specific EIT pixel.

A mask system for delivery of respiratory therapy to a patient includes a nares portion and a mouth portion and an inlet conduit connected to at least one of the nares portion and the mouth portion to deliver the pressurized, breathable gas. The mask system is adapted to selectively utilize the nares portion and/or the mouth portion in a first mode utilizing both the nares portion and the mouth portion, and in a second mode utilizing the nares portion and not utilizing the mouth portion.

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.

Apparatus and methods are described including identifying that a subject suffers from sleep apnea. Positive airway pressure (PAP) is applied to the subject via a mask placed on a face of the subject. A respiratory-related parameter of the subject is sensed, while the mask is on the face of the subject, and a need of the subject for respiratory support is assessed, responsively to the respiratory-related parameter. In accordance with the assessed need, the mask is configured to regulate the PAP provided to the subject's face. Other applications are also described.

A gas conduit for respiratory apparatus includes a lumen for passage of a breathable gas to a patient and a flexible conduit wall surrounding the lumen. The flexible conduit wall has a humidification apparatus for delivering water vapour into the gas passing through the lumen.

A system for respiratory therapy 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 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 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.

A head-mountable flow generator is configured to deliver a flow of breathable gas at a continuously positive pressure with respect to ambient air pressure to a patient interface in communication with an entrance to a patient's airways including at least an entrance of the patient's nares, while the patient is sleeping, to ameliorate sleep disordered breathing. The flow generator includes a motor, an impeller assembly and housing that encases the motor and the impeller assembly. The housing is configured to be mounted on the patient's head and comprises an inlet to receive the flow of breathable gas and a pair of opposing outlets to deliver the flow of breathable gas. In addition, the impeller assembly is configured to pressurize the flow of breathable gas received from the inlet, and the housing is configured to convey the pressurized flow of breathable gas through both outlets.

A respiratory device comprising a housing enclosing a chamber and an orientation indicator moveable with respect to the housing between a first position indicative of an orientation of the housing predetermined to be suitable for operation of the respiratory device, and a second position indicative of an orientation of the respiratory device predetermined to be less suitable for operation of the respiratory device. The orientation indicator is positioned in a location on the respiratory device visible to a user during the operation of the respiratory device.

A patient interface for delivering breathable gas to a patient includes a sealing portion adapted to form a seal with the patient and a support portion to which the sealing portion is mounted. A first headgear chord is connected to a first side of the support portion, and a second headgear chord connected to a second side of the support portion. Headgear is adapted to connect to the first and second headgear chords to secure the support portion to a head of the patient. At least one adjustment device on the support portion is adapted to selectively move the first and second headgear chords to tighten or loosen the headgear.

A delivery device for and a method of delivering gases to the nasal airway, in particular therapeutic gases and gases in combination with active substances, either as powders or liquids, for enhanced uptake of the active substances.