Abstract: An oxygen mask configured for CO2 sampling and oxygen delivery, the oxygen mask having an oxygen inlet, a nasal breath-sampling element and a breath sampling port configured to receive breath samples, sampled by the breath-sampling element, wherein the breath-sampling element is configured to reduce dilution of exhaled breath by the delivered oxygen.

Abstract: The aircraft emergency oxygen supply system includes one or more sources of supplemental breathable oxygen, one or more inlet valves for one or more breathing devices, connected to the inlet valves, and one or more cabin air pressure transducers. A pressure controller controls the inlet valves in response to the one or more cabin air pressure transducers. One or more second pressure transducers may connected to conduits downstream of inlet valves to be monitored, and the pressure controller may also control operation of the inlet valves in response to the one or more second pressure transducers.

Abstract: A retrofittable mount system for a mask having a mask window comprises a sensor removably mounted to the mask to collect information about an environment as sensor data, wherein the sensor is removably mounted to the mask with a first mount mechanism that does not penetrate the mask window. A processor is coupled to the sensor, wherein the processor executes one or more cognitive enhancement engines to process the sensor data into enhanced characterization data. An output device is removably mounted to the mask with a second mount mechanism without penetrating the mask window. The output device receives the enhanced characterization data from the processor and communicates the enhanced characterization data to a mask wearer, such that the enhanced characterization data is integrated into natural senses of the wearer and optimized for the performance of a specific task of the wearer to reduce the cognitive load of the wearer.

Abstract: A system of breathing arrangements for delivering breathable gas to a patient includes at least first and second cushion components, e.g., full-face, nasal, nasal prongs, nose tip, and/or a combination of any of the above, including a nasal or full-face cushion and nasal prongs/nozzles combination, etc., that are different from one another in at least one aspect, and a common frame assembly configured to support each of the first and second cushion components. Various embodiments are directed to a full-face or nasal mask used with a frame having lateral connector portions having a stiffening member. The mask assembly may include a nose height adjustment device for the height of the cushion, or a cushion adjustment member by which the position of the cushion may be adjusted relative to the frame. The mask assembly may include a chin strap assembly.

Abstract: A patient interface comprises a support structure and a seal-forming structure. The support structure is arranged to support the sealing portion and is configured to connect to the frame. The sealing portion comprises textile and is attached to the support structure along an outer perimeter of the sealing portion such that in use the sealing portion may be in tension due to reactive stress of the support structure and/or a resilient stretch characteristic of the textile such that the sealing portion exerts a force against the patient's face.

Abstract: Apparatus and methods automate selection of patient interface(s) according to their size, such as with processing in a processor(s) or in a server(s). Image data captured by an image sensor may be received. The captured image data may contain facial feature(s) of an intended user of the patient interface. The facial features may be captured in association with a predetermined reference feature of known dimension(s). The user's facial feature(s) and the reference feature may be detected in the captured image data. Image pixel data of the image may be processed to measure an aspect of the detected facial feature(s) based on the reference feature. A patient interface size may be detected from standard patient interface sizes based on a comparison between the measured aspect of the facial feature(s) and a data record relating sizing information of the standard patient interface sizes and the measured aspect of the facial feature(s).

Abstract: A patient interface including a seal-forming structure with a textile membrane that has at least one hole such that the flow of air at a therapeutic pressure is delivered to at least an entrance to the patient's nares and/or an entrance to the patient's mouth. The seal-forming structure is constructed and arranged to maintain the therapeutic pressure in a cavity of a plenum chamber throughout the patient's respiratory cycle, in use. The textile membrane includes a first portion that is held in a relaxed state and a second portion that is held in a taut state. The taut state of the second portion is configured to allow the seal-forming structure to include a three-dimensional shape that has multiple curvatures.

Abstract: An interface for positive pressure therapy includes a mask assembly. The mask assembly includes a mask seal that is adapted to underlie the nose. The mask seal extends up the lateral sides of the nose. The mask seal has a primary seal below the nose and a secondary seal alongside the nose. The mask seal includes a rolling hinge that permits one portion of the mask seal to deform relative to another portion of the mask seal. In one configuration, the portion of the mask seal that underlies the nose is configured to deform relative to a lower portion of the mask seal.

Abstract: A respiratory mask includes a housing and a cushion or seal that seals on a user's face in use. An upper portion of the seal that is disposed on a user's nasal bridge in use can roll toward and/or over the outer surface of the housing to form a rolling bridge feature that adjusts to different nose sizes. As the rolling bridge rolls, an apex of the seal moves away from the user's face to adjust to larger nose sizes. The apex does not move downward and can move upward relative to a location of the apex in a neutral position of the seal.

Abstract: A mask system including a headgear and cushion module and a seal and frame module provided to the headgear and cushion module. The seal and frame module includes a sealing portion adapted to form a seal with the patient's face and a frame portion adapted to form a breathing chamber. The headgear and cushion module includes a cushion region adapted to support and shape the sealing portion and a headgear region adapted to support and stabilize the mask system on the patient's face.

Abstract: Interfaces for positive pressure therapy having a mask assembly, a headgear assembly and a connection port assembly are disclosed herein. The connection port assembly has a ball joint connection with the mask assembly and includes a quick release button for easily disconnecting the gases source conduit from the mask assembly. The mask assembly may include a bias flow vent that is formed separately and attached to the mask assembly. The headgear assembly encircles the rear region of the user’s head and may include at least some portions that are substantially non-stretchable.

Abstract: System and method for controlling an irrigation system using feedback from flow meters installed in an irrigation system are described. The system and method allows for automatic detection of the number of flow meters and their relation to controls valves attached to an irrigation system and for precise and reliable fluid flow measurements. Typical water flows for the system are learned and then compared to current water flows to detect water leaks (i.e., high water flow), malfunctioning control valves and/or low water flow and subsequently trigger electronic alerts to the user when system malfunctions are detected.

Abstract: A cushion assembly for a patient interface including an elastomeric seal-forming structure that is shaped to be bisected by a sagittal plane having a line that is tangent to the elastomeric seal-forming structure at a superior tangent point and at an inferior tangent point. A saddle-shaped superior region of the elastomeric seal-forming structure straddles the sagittal plane and includes the superior tangent point. The elastomeric seal-forming structure transitions in a cylinder-shaped superior region from the saddle-shaped region to a dome-shaped superior region offset from the sagittal plane. In addition, an elastomeric wall thickness of the elastomeric seal-forming structure is greater in the cylinder-shaped superior region than in the saddle-shaped superior region and the dome-shaped superior region.

Abstract: An off-the-face mask including a mask body comprising one or more layers and having a surface area defined by a plurality of zones, wherein at least two of the plurality of zones have different stiffness levels; and one or more straps coupled to the mask body and configured to hold the mask on a wearer of the mask.

Abstract: A patient interface includes a frame including a textile material and a seal-forming structure provided to the frame. The seal-forming structure includes a foam material and/or a foam and textile material configured and arranged to form a seal with the patient's nose and/or mouth.

Abstract: Several embodiments of exhalation ports for use respiratory systems are described. Some of the embodiments provide an elongate body defining a lumen through which gases may flow. A plurality of tapered openings is arranged on a portion of the elongate body and configured to vent gases. A shroud extends from the elongate body and surrounds one or more of the plurality of tapered openings. The exhalation port is arranged to removably connect in-line with a circuit for delivering gases to a patient.

Abstract: A mask is disclosed that has a gas outlet which is quiet and provides for a diffused outlet flow of gases. The outlet is preferably a slot formed between a hollow body and cover over said hollow body. The mask also preferably extends and seals under a user's chin in use.

Abstract: An airflow device configured for creating an air barrier includes a fan, a power source, a laminar assembly, and an attachment mechanism. The power source is coupled to the fan. The laminar assembly includes a plurality of tubes and is coupled to the fan so that air flow generated by the fan passes through the plurality of tubes to create the air barrier. The attachment mechanism attaches the laminar assembly to a user in a location near the user's head such that the air barrier created by the laminar assembly is positioned in front of the user's face. A plenum is positioned between the fan and the laminar assembly such that the air flow generated by the fan passes through the plenum and then through the laminar assembly. The airflow device acts as a face shield that protects the user from airborne contaminants and viruses.

Abstract: A medical double configurational and multiple ports mask preferably including a multifunctional plug with or without a nebulizer oxygen delivery adaptor (“NODA”) attachment. The mask fits over the mouth and the nose and preferably contains at least two possible nose/face configurational solutions. The mask can be secured over the head with a stretchable or non-stretchable material. The position of the preferred triple ports of the double configurational mask provides improved structural construction reflecting different patient's nose/face features and allows for different types of procedures to be performed at the same time regardless of the patient's head/neck position. The multifunctional plug can be used for a variety of applications. The mask can be used with existing standardized disposable respiratory care equipment, including a simplified improved nebulizer oxygen adaptor (“SINODA”) and/or multifunctional use nebulizer oxygen delivery adaptor (“MUNODA”) attachment.

Abstract: A “replaceable cushion system” allows for a cushion frame with an integral cushion (e.g., a gel bladder) to be quickly and easily swapped in and out of a respiratory mask (e.g., a CPAP mask) while maintaining an effective seal via the compression of a gasket. In all of the preferred embodiments, the cushion frame (with an affixed cushion) is removably attached to a mask shell by a press-fit and by associated prongs and notches. The prongs can be located in the mask shell with the notches in the cushion frame, or vice versa.

Abstract: A nasal interface uses asymmetrical nasal delivery elements to deliver an asymmetrical flow through the interface to both nares or to either nare, and a mouthpiece may be inserted to maintain a leak, to improve dead space clearance in the upper airways, decrease peak expiratory pressure, reduce noise, increase safety of the therapy for smaller patients and reduce resistance in the interface allowing desired flow rates to be achieved at reduced motor speeds of associated flow generating devices. Different forms of fittings, such as sleeves or inserts can be attached to nasal delivery elements to improve or optimise the therapeutic effects of nasal high flow. It may allow high pressures to be achieved at lower flow rates, reduce noise, improve patient comfort and efficiently clear anatomical dead space.

Abstract: A breathing assistance apparatus has a lid and latch assembly configured for one-handed operation. The apparatus also includes a hinge assembly that separates when over-rotated but that reengages upon closing of the lid onto the main body of the apparatus.

Abstract: A patient interface may include a plenum chamber pressurisable to a therapeutic pressure; a seal-forming structure constructed and arranged to form a seal with a region of the patient's face; a positioning and stabilising structure to provide an elastic force to hold the seal-forming structure on the patient's head, the positioning and stabilising structure may include a tie; a vent structure; a decoupling structure configured to provide a fluid connection between the plenum chamber and an air circuit for the flow of air at the therapeutic pressure for breathing by the patient; and a frame having at least one tie attachment structure to receive the tie, wherein the frame is configured to be resiliently movable in any direction having at least one of a component parallel to the patient's sagittal plane, a component parallel to the patient's coronal plane, a component parallel to the patient's Frankfort horizontal plane.

Abstract: A mask system includes a frame adapted to attach headgear, a sealing arrangement releasably connectable to the frame, and an elbow provided to the sealing arrangement and adapted to be connected to an air delivery tube that delivers breathable gas to the patient. The sealing arrangement defines a breathing chamber and is adapted to form a seal with the patient's face. The sealing arrangement includes structure to establish a positive connection with the frame and with the elbow.

Abstract: Disclosed are methods and devices for regulating fluid flow to and from a region of a patient's lung, such as to achieve a desired fluid flow dynamic to a lung region during respiration and/or to induce collapse in one or more lung regions. Pursuant to an exemplary procedure, an identified region of the lung is targeted for treatment. The targeted lung region is then bronchially isolated to regulate airflow into and/or out of the targeted lung region through one or more bronchial passageways that feed air to the targeted lung region. An exemplary flow control device is configured to block fluid flow in the inspiratory direction and the expiratory direction at normal breathing pressures and allow fluid flow in the expiratory direction at higher than normal breathing pressures.

Abstract: A shroud for a mask system includes a retaining portion structured to retain a frame, a pair of upper headgear connectors each including an elongated arm and a slot at the free end of the arm adapted to receive a headgear strap, and a pair of lower headgear connectors each adapted to attach to a headgear strap. The retaining portion, the upper headgear connectors, and the lower headgear connectors are integrally formed as a one piece structure.

Abstract: A patient interface assembly includes a flexible cushion with a nares sealing portion configured to sealingly engage the patient's nares and a mouth sealing portion configured to seal around the patient's mouth. A cushion clip is attached to the flexible cushion, forms at least part of a plenum chamber with the flexible cushion, and is more rigid than the flexible cushion. A frame is attached to the cushion clip, is more rigid than the flexible cushion. A superior portion of the frame extends beyond the mouth sealing portion in the superior direction to overlap at least a part of the pair of lateral nares engagement portions of the nares sealing portion. At least a part of the nares sealing portion of the flexible cushion is decoupled from both the cushion clip and the superior portion of the frame that overlaps the nares sealing portion so that the lateral nares engagement portions are movable independently of the frame and the cushion clip.

Abstract: A bayonet connector (112, 128) suitable for connecting a filter cartridge (72) or an air supply tube to a respirator (10, 14). The bayonet connector (112) has a tubular male part (112) and a female part. The male part has a tube (114) with two or more lugs (130, 132) formed on it, which engage with engaging ribs (136, 138) located on an interior sidewall of the female part (128), or vice versa. The lugs (130, 132) and their corresponding engaging ribs (136, 138) are located at different axial positions.

Abstract: An adhesive arrangement for use in securing a patient interface to the face of a patient includes a substrate material having a first surface that is structured to face the patient and a second surface opposite the first surface. The substrate material includes a number of tabs, each tab projecting outward from a main portion of the substrate material. The adhesive arrangement further includes an adhesive material disposed on the first surface of the substrate material. Each of the tabs is sized and configured to be folded back onto a corresponding portion of the main portion of the substrate material and coupled thereto by the adhesive material.

Abstract: The invention relates to a respiratory mask of modular construction. The main components are reduced to four parts and are provided by the mask body, the forehead support, the mask bead and the attachment piece. The design, according to the invention, of the outflow structure between mask body and forehead support makes apertures in the mask body unnecessary for this purpose. The strap coupling in the region of the mask body is made easier by a funnel-shaped guide structure such that it is possible in a simple manner even without seeing it.

Abstract: A flow of air is directed at the face and into the nose and mouth so as to decrease taste and inhibit appetite.

Abstract: A mask includes: a mask body configured to define a space that covers at least one of a nose and a mouth of a subject; and a cushion member extending along a peripheral edge portion of the mask body. The cushion member includes: a first region that includes a portion that contacts a face of the subject when fitted; and a second region positioned between the first region and the mask body. A surface of the first region has a higher non-adhesive property than a surface of the second region, and the second region has transparency that allows the space to be seen through.

Abstract: A patient interface device and cushion for the device are respectively disclosed, for preferred CPAP and BiPAP breathing masks. The cushion has a composite structure with an open rounded polygonal profile defining a mask side layer and a slip-resistant fibrous patient side layer, with an intermediate barrier layer positioned between the first and second layers. The layers are integrally bonded together into a three-dimensional conformation defining a J-shaped cross section and an inboard patient side curl opening into an air chamber juxtaposed with one or more of the patient's airways. The body exhibits flexibility between about 4 and about 10 Taber Stiffness Units. Method and apparatus for making the cushion are further described.

Abstract: A passenger service unit assembly that includes a frame that defines at least an oxygen opening and a service opening, an oxygen mask housing positioned adjacent the oxygen opening, an oxygen mask housing cover positioned to cover the oxygen opening, and a service cover positioned to cover the service opening. An oxygen mask that is movable between a stowed position and a deployed position is positioned in the oxygen mask housing. The oxygen mask housing cover maintains the oxygen mask in the stowed position. The oxygen mask housing cover is movable between a closed position and an open position. When the oxygen mask housing cover is moved to the deployed position, the oxygen mask drops to the deployed position via gravity. The service cover is movable between a closed position and an open position and includes at least a first passenger service unit component associated therewith.

Abstract: A mask assembly or interface with a mask assembly includes a mask seal and a mask shell that supports the mask seal. In some configurations, the mask assembly is configured to be fully positioned lower than a bridge of a nose of a face of a user and to provide an exposed bridge of the nose of the user. The mask seal includes one or more features that decouple movement of the nasal portion and the oral portion to allow relative movement therebetween at least about a longitudinal axis extending in the front to back direction of the mask seal. In some configurations, an interface assembly includes a movement limiting arrangement that limits movement of the upper portion of the mask seal.

Abstract: A conduit for delivering a supply of gas under a positive pressure includes a conduit wall having a first conduit end and a second conduit end. The first conduit end is adapted to be attached to the supply of gas. The conduit wall is deformable between (a) an open condition in which the conduit wall defines a conduit passage along which the supply of gas can travel between the first conduit end to the second conduit end, and (b) a collapsed condition in which the conduit wall substantially collapses the conduit passage.

Abstract: An air hose clamping mechanism and hook device including an air hose clamping mechanism and hook assembly including: an air hose clamping mechanism; and a hook. The air hose clamping mechanism and hook device is an air hose clamping mechanism and hook for the air hose clamping mechanism and hook assembly; wherein the air hose clamping mechanism and hook assembly is in function combination an air hose clamping mechanism, and the hook whereby a tool coupled to an air hose is able to be suspended via the hook and the air hose clamping mechanism allowing one-way movement of the air hose.

Abstract: A vent arrangement is provided to a mask or associated conduit to discharge exhaled gas from the mask to atmosphere. The vent arrangement is structured to diffuse the exhaust vent flow to produce less air jetting, thereby increasing the comfort of the patient and their bed partner. For example, the vent arrangement may include one or more grill components and/or media constructed and arranged to diffuse vent flow.

Abstract: A headware for computer control is presented in accordance with aspects of the present disclosure. In various embodiments, the headware includes an inner layer including a first surface and a second surface, an outer layer disposed on the first surface of the inner layer, and at least one sensor disposed on the second surface of the inner layer, and at least one sensor configured to measure electrical signals from a brain and extract meaning from the electrical signals, or communicate the electrical signals to a computing device. The headware is configured to sit at the top of a head and apply pressure to at least one side of the head.

Abstract: A patient interface structure for delivery of respiratory therapy to a patient includes a front plate configured to conform to the shape of the patient's face; a mouth cushion defining a breathing chamber and provided to the front plate and configured to seal around the patient's mouth; and a nasal cushion configured to seal the patient's nasal airways. The nasal cushion is supported by the mouth cushion, does not contact a bridge of the patient's nose in use, and extends at least partially into the breathing chamber. A patient interface system includes a patient interface structure and a patient interface structure positioning system configured to position, stabilize and secure the patient interface structure in sealing engagement with the patient's face.

Abstract: A mask configured to assist the respiration of a patient with a gas inlet port positioned to connect a gas supply to the mask and direct gas flow towards a patient's skin; a scattering chamber with an inlet port and a plurality of outlet ports, the scattering chamber inlet port fluidly connected to the gas inlet port, and the plurality of outlet ports positioned to scatter the gas flow away from the patient's skin and towards the interior surface of the mask and a region between the patient's skin and the interior surface of the mask; and an outgas collector assembly connected adjacent the scattering chamber and positioned to collect an outgas emission expelled from the patient and eject the outgas emission from the mask.

Abstract: A mask with cushion that has an outer film is disclosed. The film may be self-skinning or a film formed about or glued to the cushion body. In another form the cushion may be formed with at least a portion having a plurality of adjacent voids having honeycomb-like structure.

Abstract: A patient interface structure for delivery of respiratory therapy to a patient includes a front plate configured to conform to the shape of the patient's face; a mouth cushion defining a breathing chamber and provided to the front plate and configured to seal around the patient's mouth; and a nasal cushion configured to seal the patient's nasal airways. The nasal cushion is supported by the mouth cushion, does not contact a bridge of the patient's nose in use, and extends at least partially into the breathing chamber. A patient interface system includes a patient interface structure and a patient interface structure positioning system configured to position, stabilize and secure the patient interface structure in sealing engagement with the patient's face.

Abstract: An interfacing structure for a mask system includes a cushion component adapted to contact the patient's face in use and a cushion-to-frame component provided to the cushion component. The cushion-to-frame component is structured to secure the cushion component to a mask frame of the mask system. The cushion-to-frame component includes a cushion side adapted to interface with the cushion component and a frame side adapted to interface with the mask frame. The cushion side includes a platform to engage and support the cushion component. The platform provides an engagement surface to engage the cushion component and inner and outer flanges provided to opposing ends of the platform to guide, support and/or retain the cushion component on the platform.

Abstract: The present technology is directed to a respiratory pressure therapy system, that includes a plenum chamber pressurisable to a therapeutic pressure above ambient air pressure, a seal-forming structure to form a seal with an entrance to the patients airways to maintain said therapeutic pressure in the plenum chamber throughout the patients respiratory cycle in use, a positioning and stabilising structure constructed and arranged to provide an elastic force to hold the seal-forming structure in a therapeutically effective position on the patients head, a blower configured to generate the flow of air and pressurise the plenum chamber to the therapeutic pressure. the blower having a motor, the blower being connected to the plenum chamber such that the blower is suspended from the patients head and the axis of rotation of the motor is perpendicular to the patients sagittal plane, and a power supply configured to provide electrical power to the blower.

Abstract: In one aspect, a protective headwear is provided and includes an outer shell, a first shell duct coupled to the outer shell and including a first exhaust port, and a second shell duct coupled to the outer shell and spaced apart from the first shell duct. The second shell duct includes a second exhaust port. The protective headwear also includes a manifold positioned externally of the outer shell and configured to divert airflow into at least a first portion of airflow and a second portion of airflow. The manifold includes a first diversion member coupled to and in fluid communication with the first shell duct to provide the first portion of airflow to the first shell duct, and a second diversion member coupled to and in fluid communication with the second shell duct to provide the second portion of airflow to the second shell duct.

Abstract: A patient interface includes a frame including a textile material and a seal-forming structure provided to the frame. The seal-forming structure includes a foam material and/or a foam and textile material configured and arranged to form a seal with the patient's nose and/or mouth.

Abstract: 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.

Abstract: Embodiments of the present invention may make wearing a surgical mask having ear loops more comfortable for a wearer. It may include a head band that may connect to the two ear loops of a mask. A head band may include a strap and a connector near each end of a strap which may be removably or even permanently attached to a surgical mask. A head band may go around the back of the head perhaps so that a pull from the mask may occur on the back of the head and not on the ears and may avoid the ear pull in a forward and downward direction.

Abstract: An advice system employs a genetic analysis of a patient to identify one or more characteristics of the patient. The advice system employs the characteristics to identify one or more attributes of a medical device that would desirably exist in a medical device that is to be prescribed for the patient. The advice system then identifies from the one or more attributes one or more medical devices from among a plurality of medical devices whose features at least in part meet the one or more attributes. The advice system then outputs a recommendation of the one or more medical devices. The system employs known genes that are expressive of certain traits in a person, with the known traits being interpreted or evaluated in terms of characteristics that are relevant in selecting a medical device from among a plurality of medical devices, such as patient interface devices or other devices.