A patient interface for delivery of a supply of pressurised air or breathable gas to an entrance of a patient's airways includes a frame member, a cushion assembly provided to the frame member, and an anterior wall member repeatedly engageable with and disengageable from the cushion assembly. The frame member includes connectors operatively attachable to a positioning and stabilizing structure. The cushion assembly includes a seal-forming structure and a void defined by an anterior surface of the cushion assembly. The anterior wall member has a predetermined surface area to seal the void of the cushion assembly and form a gas chamber when the anterior wall member and the cushion assembly are engaged. The void of the cushion assembly is sized such that the patient's nose and/or mouth is substantially exposed when the anterior wall member is disengaged from the cushion assembly thereby improving breathing comfort of the patient.

A patient interface for delivery of a supply of pressurised air or breathable gas to an entrance of a patient's airways includes a frame member, a cushion assembly provided to the frame member, and an anterior wall member repeatedly engageable with and disengageable from the cushion assembly. The frame member includes connectors operatively attachable to a positioning and stabilizing structure. The cushion assembly includes a seal-forming structure and a void defined by an anterior surface of the cushion assembly. The anterior wall member has a predetermined surface area to seal the void of the cushion assembly and form a gas chamber when the anterior wall member and the cushion assembly are engaged. The void of the cushion assembly is sized such that the patient's nose and/or mouth is substantially exposed when the anterior wall member is disengaged from the cushion assembly thereby improving breathing comfort of the patient.

A device (100) for facilitating the positioning of a catheter for the administration of a liquid medicament to a spontaneously breathing patient. The method and system according to preferred embodiments of the present invention allows optimizing the dispensing said medicaments. In particular the system according to a preferred embodiment of the present invention allows the administration of an exogenous pulmonary surfactant to preterm patients.

A device for measuring a concentration of a component in a target sample includes a flow chamber with a first channel that receives a reference sample having a known concentration of the component. The flow chamber also includes a second channel that receives the target sample having an unknown concentration of the component. A pump operates to pump the reference sample and the target sample at a same volume flow rate through the first and second channels, respectively. A thermal mass flow meter measures a thermal conductivity of the reference sample, a thermal conductivity of the target sample, or both.

The present invention relates to a gas conduit for a respiratory support device comprising a face mask and a gas reservoir bag, said gas conduit comprising a proximal portion for fluid connection to the mask and a distal portion extending into the reservoir bag, wherein at least a side wall of said distal portion comprises one or more apertures. The present invention also relates to a respiratory support device comprising said conduit.

An apparatus for acoustically detecting the location of a distal end of a tube relative to a body conduit into which the tube is being inserted is provided. The apparatus including a speaker positioned to generate a sound pulse in the tube and a sensor for detecting a sound pulse in the tube at a distal position relative to the speaker, and for generating a signal corresponding to the detected sound pulse.

The adapter for an oxygen delivery device is a continuation-in-part application configured for use with a previously disclosed oxygen delivery device. The adapter for an oxygen delivery device is modified to work with a single oxygen canister. The adapter for an oxygen delivery device attaches to the single oxygen canister. The adapter for an oxygen delivery device is configured for use with the distribution apparatus of the prior disclosure. The adapter for an oxygen delivery device comprises a canister adapter and a manual flow valve. The canister adapter is a mechanical structure that offsets the distribution apparatus such that the distribution apparatus will receive oxygen from the single oxygen canister. The manual flow valve is a plunger valve that attaches to the distribution apparatus. The manual flow valve controls the flow of oxygen into the distribution apparatus from the canister adapter.

An assembly for conducting respiratory air in a patient ventilation system has a plastic respiratory air tube component for conducting respiratory air. At least one heating wire is used to heat the respiratory air. A plastic connector conducts the respiratory air, is integrally connected to an end portion of the tube component and is used for connection to a further, external respiratory air-conducting component. The connector has a connection piece in which an end portion of the heating wire is electrically contacted to an external supply line. The end portion of the heating wire is routed through a lateral wall of the connector to the connection piece. In the connection piece, a recess for accommodating a protective plastic housing for an electrical contacting portion is provided between the heating wire end section and the end portion of the supply line.

Nasal cannulas are described herein. The nasal cannula (110) includes a cannula housing (112), a reservoir (160), a nebulizer channel (154), and a gas channel (120). The cannula housing includes at least one nasal extension (116) extending from the cannula housing, wherein the at least one nasal extension is configured to be disposed within a patient's nares. The reservoir includes a reservoir volume configured to dispense a medicament. The nebulizer channel is in fluid communication with the reservoir volume and the at least one nasal extension. The gas channel is configured to direct a gas flow toward the at least one nasal extension through the nebulizer channel, drawing a portion of the medicament from the reservoir through the nebulizer channel with the gas flow toward the at least one nasal extension.

The present technology relates to a patient interface for delivery of a flow of pressurised air to an entrance of a patient's airways, the patient interface comprising a mask with a seal-forming structure and one or more positioning and stabilising structures configured to provide a force to hold the mask in a therapeutically effective position on a patient's head in use. The mask and one or more of the positioning and stabilising structures includes a connection port to receive an end of the air circuit. The pressurised air is delivered from the air circuit to the seal-forming structure. In use, the patient connects the air circuit to the connection port of choice, depending on whether they prefer the patient interface to be arranged such that the end of the air circuit is superior to the patient's otobasion superior or inferior to the patient's otobasion superior.