Abstract: A mask (100), such as a filtration mask, with multiple strap configurations is provided. For example, such mask might be worn in either a head strap (240) or an ear strap (110) configuration. The mask comprises two ear straps each with a connector support element (130) allowing removable attachment of a separate head strap.

Abstract: A respiratory mask system is provided comprising a respiratory mask and a head engaging portion, wherein the head engaging portion is configured to couple to the respiratory mask to engage a wearer's head via a disengageable mechanism. The disengageable mechanism may comprise a linking member attached to the head engaging portion, a disengagement member attached to the respiratory mask and configured to receive the linking member, wherein the disengagement member is configured to be moveable between a first position and a second position, a control configured to allow a wearer of the mask to move the disengagement member towards the first position and one or more surfaces defined by the disengagement member and configured to exert a frictional force on the linking member.

Abstract: A headgear assembly for retaining a respiratory mask on a user's face includes arrangements or components that allow for variation in a size of the headgear assembly. In some configurations, the headgear assembly includes one or more hubs, each of which are configured to connect a top and rear strap together. The size of the headgear assembly can be determined by the size or configuration of the hub. In other configurations, the headgear assembly comprises one or more spacer elements within one or more straps of the headgear. The size of the headgear assembly can be determined by the size of the spacer element or a relative position between the strap and the spacer element.

Abstract: A patient interface system includes a nasal seal of flexible material to communicate with at least one airway of the patient, and a primary headgear from which the nasal seal is suspended, said primary headgear having at least one aperture though which at least a portion of the nasal seal is inserted with the primary headgear wrapping about at least one portion of the nasal seal in a sling-like fashion.

Abstract: A retention assembly is for a patient interface device. The patient interface device includes a cushion member structured to engage a face of a patient. The retention assembly includes: a retention member structured to be coupled to the cushion member; a headgear member; a first interconnect member removably coupled to the retention member; and a second interconnect member removably coupled to the headgear member. The second interconnect member is removably coupled to the first interconnect member in order to couple the headgear member to the retention member.

Abstract: A headgear system and/or an interface assembly incorporating a headgear system that, in some configurations, is configured to transform from elasticated or “stretchy” behavior to “inelastic” behavior at least in response to normal or expected forces encountered during the intended therapy. In some configurations, upon fitment to the head of a user, the system automatically adjusts toward or to an appropriate size.

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 patients nares and/or an entrance to the patients mouth. The seal-forming structure is constructed and arranged to maintain the therapeutic pressure in a cavity of a plenum chamber throughout the patients 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: A patient interface for delivering breathable gas to a patient includes a nasal prong assembly including a pair of nasal prongs structured to sealingly communicate with nasal passages of a patient's nose in use and headgear to maintain the nasal prong assembly in a desired position on the patient's face. The headgear includes side straps and rigidizers provided to respective side straps. Each rigidizer includes a first end portion that provides a connector structured to engage a respective end of the nasal prong assembly and an inwardly curved protrusion in the form of a cheek support that curves inwardly of the connector. The cheek support is adapted to follow the contour of the patient's cheek and guide a respective end portion of the side strap into engagement with the patient's cheek to provide a stable cheek support.

Abstract: A patient interface device includes a frame having a central portion with a patient facing side, an opposite outward facing side, a first plurality of magnetic elements secured on or in the patient facing side, and a first aperture defined therethrough. The first aperture having a first portion extending from the outward facing side toward the patient facing side which is structured to be coupled to a delivery conduit and a patient side portion defined by a wall which extends outward from the patient facing side forming a hub. The device further includes a cushion having a patient contacting side which is structured to sealingly engage about an orifice or orifices of a patient, an opposite frame contacting side including a second aperture defined therein which is sized and configured to engage about the hub, and a second plurality of magnetic elements for magnetically coupling the cushion to the frame.

Abstract: A method of generating a customized headgear that includes a plurality of physical features and being usable with a mask component that supplies a flow of breathing gas to the patient's airways. The method includes receiving one or more parameters pertaining to the patient's head, subjecting at least some of the parameters to one or more algorithms to determine at least one of a length of a physical feature of the plurality of physical features and an angle between a pair of physical features of the plurality of physical features, generating an outline of at least a portion of a body which, when formed, is usable to assemble therefrom at least a portion of the headgear, and outputting a pattern usable to enable the formation of the at least portion of the body from at least a first sheet of at least a first material.

Abstract: A patient interface to provide breathable gas to a patient, comprising: a plenum chamber assembly, comprising: a nasal plenum chamber at least partly defining an upper gas chamber; an oral plenum chamber at least partly defining a lower gas chamber; and a decoupling structure at least partly connecting the nasal plenum chamber and the oral plenum chamber and at least party defining a flow path; a top plate including at least one connection feature configured to releasably retain a first portion of a positioning and stabilising structure; and a faceplate configured to releasably retain a second portion of a positioning and stabilising structure.

Abstract: A personal respiratory protection device comprising a main body having a headband attachment portion, a headband attached to the headband attachment portion by a headband bond module, wherein the module includes first and second non-woven tabs adhesively bonded to opposing sides of an end of the headband, the side of the first tab opposing the headband bond side being welded to the main body.

Abstract: A nasal assembly for delivering breathable gas to a patient includes a frame having an integrally formed first connector portion. A nozzle assembly includes a gusset or base portion and a pair of nozzles. At least one inlet conduit is structured to deliver breathable gas into the frame and nozzle assembly for breathing by the patient. A pair of second connector portions are removably and rotatably connected to respective first connector portions of the frame and are in communication with respective inlet conduits, e.g., directly or via angle connectors. A headgear assembly is removably connected to the pair of second connector portions and/or the angle connectors so as to maintain the frame and the nozzle assembly in a desired adjusted position on the patient's face.

Abstract: A patient interface assembly includes a cushion and frame assembly with a cushion portion and a frame portion that together form a breathing chamber. The frame portion includes an anterior aperture configured to receive the flow of breathable gas. Headgear includes a back portion, a pair of upper headgear straps extending from the back portion, and a pair of lower headgear straps. The patient interface assembly also includes a shroud in the form of a contoured plate. The shroud is removably mounted on the frame portion by way of a snap-fit connection and includes a pair of lower headgear connectors. The patient interface assembly also includes a forehead support extending from the shroud and having a free end with an upper headgear connector. The forehead support has a first curvature that curves in a first direction around an axis that is offset from the patient interface assembly and extends along a length of the forehead support.

Abstract: A patient interface is configured to deliver breathable gas to a patient. The patient interface includes a cushion configured to form a seal with the patient's face and a frame with an elongated body comprising a central bore and a circumferential channel. The circumferential channel is configured to receive a rim of the cushion. Headgear is attachable to the frame and is configured to support the cushion and the frame on the patient's head. The headgear includes a left rigidizer attached to a left front strap and a right rigidizer attached to a right front strap. The left and right rigidizers are arranged to have different flexibilities in different directions so that a stiffness of the left and right rigidizers in a first direction resist a vertical rotation of the patient interface.

Abstract: A face mask includes a valve protector between a strap and an exhalation valve thereof. The valve protector's thickness defines a spacing between the strap and a strap retainer that is positioned on a mask body, disposed over the exhalation valve, and receives the strap. This spacing controls an extent of friction between the strap and the strap retainer.

Abstract: A headgear, for use in combination with a breathing apparatus, has a plastic or elastomer core and a fabric or textile casing. The headgear, or portions thereof, may also include a length adjustment arrangement that permits adjustment of a length of a section of the headgear. The length adjustment arrangement can comprise overlapping strap portions of the headgear. In some configurations, the overlapping strap portions can be covered by a sleeve. The sleeve can be secured to the headgear by overmolded end caps. A nasal respiratory interface can include a frame having a front surface, a rear surface, and an aperture extending from the front surface to the rear surface. The frame can have an oval form with a truncated height portion. The interface can also include a seal for a nasal pillow. The seal can be attached to the frame.

Abstract: A neck strap, a crown strap assembly and a headgear for a breathing mask. The neck strap for a headgear includes a one-piece main body adapted to engage a patient's neck, first and second lower connection portions adapted to connect to first and second lower mask connection straps, and first and second upper connection portions adapted to connect to respective first and second lateral crown straps.

Abstract: A headgear for a respiratory mask has first and second straps configured to be connected to each other by first and second buckles. The straps are configured to overlap in a region that contacts the rear of a user's head. The overlapping regions of the first and second straps can be positioned in a bifurcated configuration to improve stability on a user's head. The first and second buckles can feature a glider end through which one of the first and second straps can slide and a strap attachment end to which the other strap is permanently connected. In some embodiments, the first and second buckles have two components that are pivotally connected to allow adjustment of the headgear size whilst in a bifurcated configuration.

Abstract: A patient interface system to treat sleep disordered breathing of a patient with pressurized gas, comprising: a patient interface; at least one strap; at least one retractor fixedly attached to the patient interface, said at least one retractor connected to the at least one strap and configured to retract the at least one strap without patient actuation; and at least one pad to cushion a rearward portion of the patient's head, said at least one pad having an opening, wherein said at least one strap passes through said opening to allow the at least one pad to move freely relative to said at least one strap.

Abstract: An air-filtering mask including a piece of air-filter material. A set of mask-retention tension members, are attached at the right and left sides of this material for fixing the mask about the head in a preferred position wherein the air-filter material top extends across the face at a level coincident with the bridge of the nose of the face. Further, a shape-preserving tension member is attached at a left attachment point at the left side of the material and extends to and is attached to a right attachment point, and is retained at the top-center of the material, the shape-preserving tension member being shorter than the extent of the material between the attachment points, so that the material is loose between the attachment points and is not pulled taut, thereby facilitating conformance of the top of the air filter material to the contours of the face.

Abstract: The inflatable harness assembly for an aircraft oxygen crew mask includes one or more inflatable tubes having an outer layer of fabric material with an airtight coating for inflating the inflatable harness assembly. The inflatable tubes include an inner core of resilient, elastic material fixedly connected between first and second ends of the inflatable tubes that biases the inflatable tubes to shorten when the tubes are deflated. Inflation of the tubes them to expand the outer layer of material radially outwardly and lengthen axially, to allow the harness assembly to be placed over the user's head. Deflation of the tubes causes the aircraft inflatable harness assembly to grip the user's head with a desired head tension.

Abstract: A reusable two-way respirator mask comprising a filter cover, a filter base, a facepiece, and a filter adapted to remove airborne pathogens. The facepiece is configured to interface with the face of the user and deform under moderate pressure to create a substantially airtight seal with the user's face. The filter cover and filter base a removably coupled such that the user may easily replace the filter by decoupling the filter cover and filter base. Both inhalation and exhalation pass through the filter, reducing the user's inhalation of pathogens and reducing the spread of pathogens from the user to others. The reusable two-way respirator mask is constructed of head resistant materials, suitable for repeated disinfecting.

Abstract: A respiratory mask for providing positive pressure therapy having ball jointed elbow, one or more detachable forehead pieces and headgear comprising a spacer fabric region is disclosed herein. The elbow is configured to be removable when oriented to a predetermined position. The forehead pieces are provided in one or more sizes. The spacer fabric region comprises two or more layers wherein the raw edges are turned to the inside of the layers. The seal comprises features that improves seal performance and accommodates a wider variety of facial geometries.

Abstract: A respiratory mask can include one or a plurality of force sensors configured to detect a force imparted to a user's skin. Output from the one or more sensors can be represented in a way useful to the patient or healthcare provider for adjusting the mask to achieve a desired fitment. A representation of the detected forces can be displayed on a separate display device or on the mask.

Abstract: A headgear assembly includes a strap of a first flexible material with an elongate edge, and a second flexible material folded around and running along the elongate edge. The second flexible material may be an elastic material. The second flexible material may also cover an intersection or joint in the first flexible material such that the first flexible material may be made from two flexible materials layered together or joined end to end.

Abstract: There is provided a head band member (100) for wearing a respirator mask (1) and a head cradle (10) including the same. The head band member (100) includes a supporting member (130) extending in a direction; a first coupling portion (110) formed at one end portion of the supporting member (130), and including an insertion hole (116) formed to pass therethrough; a second coupling portion (120) formed at another end portion of the supporting member (130); and a strap connection portion (140) formed at an end portion of the first coupling portion (110) or the second coupling portion (120), and connected with a strap (30), wherein at least a part of the second coupling portion (120) being inserted into the insertion hole (116) of the first coupling portion (110) and thereby the first coupling portion (110) and the second coupling portion (120) are provided to be coupled to each other, and the head band member (100) is connected to a mask body (20) of a respirator mask (1) through the strap (30).

Abstract: A nasal patient interface for delivery of a supply of pressurised air or breathable gas to an entrance of a patient's airways comprising: a cushion member that includes a retaining structure and a seal-forming structure permanently connected to the retaining structure; a frame member attachable to the retaining structure; and a positioning and stabilising structure releasably attachable to the frame member.

Abstract: An interface assembly includes an interface, such as a mask, that is secured to a head using a headgear assembly. The headgear assembly can include at least one halo portion and a plurality of straps. The headgear assembly can include both a front halo portion and a rear halo portion. In some arrangements, the headgear and mask define an adjustable closed loop. In some arrangements, the headgear can include one or more rigid portions that contact the user's face to at least partially isolate a seal of the mask from tightening forces applied to the headgear. In some arrangements, the mask is an oral-nasal mask and the headgear applies a force to the mask including an upward force component. In some arrangements, the headgear can be contoured to the user's head.

Abstract: A respiratory mask assembly for delivering breathable gas to a patient includes a frame and a headgear assembly removably attachable to the frame. The headgear assembly includes a pair of side portions and a rear portion that interconnects the pair of side portions. The pair of side portions includes at least one strap. The rear portion has at least one strap constructed of at least two layers of material. One of the layers of material has a more rigid construction than the other of the layers of material to resist compression of the at least one strap of the rear portion in a first direction which resists movement of the at least one strap of the pair of side straps in the first direction.

Abstract: A back strap for a patient interface device having a headgear component including a first strap member and a second strap member attached to the first strap member and structured to wraparound a back of the patient's head. The back strap member includes a first portion having a first attachment mechanism structured to couple the first portion to the second strap member, a connecting portion extending from the first portion, and a second portion having a second attachment mechanism structured to couple the second portion to at least one of the first strap member, a patient sealing assembly, or skin, hair, neck or clothing of the patient in a manner wherein the back strap member is configured to hold the second strap member and prevent it from riding up on a head of the patient during use.

Abstract: The present disclosure relates to a mask assembly system that has an adjustable headgear system with an inflatable cushion connected to the positive air pressure supply for conforming to a user's face.

Abstract: A headgear for use with a patient interface for delivering a flow of breathable gas to a patient includes at least a strap adapted to position the patient interface in sealing engagement with the patient's airways. The strap is constructed from an elastomer and a first side of the strap includes a first region on a portion of its surface that is textured to reduce friction with objects contacting the strap. A textured surface coating for a portion of an elastomer strap included in a headgear system is adapted to contact the skin of a patient, when in use, and the coating has a Ra value greater than zero. A vent for use with a patient interface for delivering a flow of breathable gas to a patient includes a plurality of rises and runs in a stepped arrangement; and a plurality of holes in the stepped arrangement for the venting of gas.

Abstract: A sport goggle strap for affixing sport goggles to the face of a user with first and second end portions, each having a connection member for attaching the first and second end portions to opposite sides of sports goggles, and an intermediate portion between the first and second end portions having an elongated opening disposed substantially in line between the first and second end portions. The first end portion, second end portions and the intermediate portion are comprised of a unitary piece of an elastomeric material, and preferably neoprene.

Abstract: An airflow control valve (20) for use in a breathing apparatus (10) to control a flow of air from a pressurized air supply to a respirator. The valve comprises an inlet port (31) for connection to a pressurized air supply, and first (32) and second (33) outlets. The valve is configurable between a first position in which the inlet port is in restricted fluid communication with the first outlet to allow a restricted flow of air from the inlet port to the first outlet and in which the second outlet is sealed from the inlet port and, a second position in which the inlet port is in substantially unrestricted fluid communication with the second outlet to allow an unrestricted flow of air from the inlet port to the second outlet.

Abstract: Breathing assistance apparatus for treating sleep apnoea are described. More specifically, nasal interface for the supply of respiratory gases, but most particularly positive pressure gases are described. The nasal interfaces may include various forms of nasal pillows or nasal plugs. Associated elements such as manifolds or housings to hold or secure the pillows or plugs, or headgear are also disclosed.

Abstract: A headgear for use with a mask includes a first strap being configured to engage a back of a patient's head and extend on either side of the patient's parietal bone behind the patient's ears and assume, in use, a substantially circular or oval shape. At least a portion of the first strap is substantially inextensible. The headgear also includes at least one second strap configured to removably connect the first strap to the mask. The second strap may be more extensible than the first strap. At least a portion of the first strap is self-supporting such that the headgear maintains a three dimensional shape when not in use. The substantially inextensible portion of the first strap is constructed to resiliently return to a predetermined shape when not in use. The arcuate region includes a first portion that may be arranged to align substantially parallel with a top of the patient's head and a second portion being arranged to align substantially to a rear surface of the patient's head.

Abstract: A patient interface has a single loop headstrap and a mask for covering at least the nostrils of the user. The single loop headstrap extends from the mask at either end. A short length of supple conduit is coupled to the mask by a swivel or ball joint to allow rotation of the conduit relative to the mask through different angles and orientations.

Abstract: A nasal cannula assembly is disclosed having a face mount part, in use resting against a user's face, which includes at least one nasal prong capable of being fitted into a person's nares. The cannula assembly also includes a manifold part, in fluid communication with the face mount part, having a single horizontal side gases entry. In particular, this cannula assembly is for supplying heated, humidified gases to a patient suffering from COPD. A tie or lanyard is disclosed for use with a breathing assistance apparatus such as a nasal cannula, face or nasal mask or tracheostomy connector. The tie or lanyard transfers the weight of the conduits supplying gases to the breathing assistance apparatus from the breathing assistance apparatus and distributes it onto the neck of the patient.

Abstract: An adjustable mask system (100) includes a cushion with a seal (130) having the ability to change size and/or shape. The seal is preferably a one-piece, continuous member without interruptions. To effect adjustment of the size and/or shape of the seal, an actuator may be provided, which may take the form of a dial (190).

Abstract: A connector assembly mountable to a head strap comprises a connector plate with an engagement portion and a threaded attachment member projecting therefrom. Two cylindrical bosses are adjacent to the attachment member and project away from the engagement portion. Spring-biased pin connectors extend through the bosses and connect electrical line coupled to the engagement portion. The pin connectors have retractable tips projecting from their respective boss for engagement with an electrical contact.

Abstract: Disclosed is a supporting device for a patient interface on the forehead of the patient. The supporting device has an adjustment by means of a self-acting, incorporated spring element and, depending on the tightening force of the harness, the forehead pad presses onto the forehead of the user as a result of the spring force and thus provides the patient interface at a spacing which is suitable for the patient and provides optimum, fault-free adaptation.

Abstract: There is provided a breathing assembly for an aircraft that includes a breathing mask to be connected to a source of breathing gas. The assembly also includes a stowage box forming a receptacle for receiving the breathing mask in a stowage position, and a valve assembly comprising a valve having an open position in which the valve allows the feed of breathing gas to the breathing mask and a closed position in which the valve prevents the feed of breathing gas to the breathing mask, the valve assembly being supported by the breathing mask. There may also be provided a retaining element connected to the stowage box and cooperating with the valve assembly to maintain the valve in the closed position when the breathing mask is in the stowage position.

Abstract: This invention relates to a headgear comprising a semi-rigid frame engageable with the head of a user and a releasable connection system for releasable connection with a user interface, wherein the frame extends generally about a rear region of a user's head, generally about an upper region of a user's head, and generally about an ear or both ears of a user.

Abstract: A face mask assembly (FMA) for supplying breathable gas to a wearer. The face mask assembly (FMA) includes a mask frame including a support, a facial cushion attached to the mask frame, and a forehead support. The forehead support includes a forehead cushion assembly and an adjustment knob operatively coupled to the forehead cushion assembly. The adjustment knob is threadably engaged with the forehead cushion assembly such that turning movement of the adjustment knob causes the mask frame to be moved between retracted and extended positions with respect to the forehead cushion assembly.

Abstract: Disclosed is a device for respiration which comprises at least of one body that delimits an inner chamber from an outer chamber, a region for sealing the device against parts of the face of a patient, fastening elements for positioning the device on the patient's head and a connection for supplying respiratory gas. The device is equipped with an actuator, which when adjusted, changes the distance of at least one part of the device from at least one part of the body of the patient.

Abstract: A strap system for a head-mounted display includes a first flexible non-stretchable section to wrap around the head-mounted display and extend laterally towards a user's ears, a second flexible non-stretchable section to extend from a first side of the first flexible non-stretchable section towards the back of the user's first ear and split into an upper portion and a lower portion, and a third flexible non-stretchable section to extend from a second side of the first flexible non-stretchable section to the back of the user's second ear and split into an upper portion and a lower portion. The upper portion of the second flexible non-stretchable section substantially mirrors the upper portion of the third flexible non-stretchable section. The lower portion of the second flexible non-stretchable section substantially mirrors the lower portion of the third flexible non-stretchable section.

Abstract: A connector arrangement joining a respiratory mask and headgear is adapted for single-handed disengagement by the patient. A first, rigid connector part is formed into the rigid mask frame, with a mating second connector attached to a strap of the headgear. The connectors are held away from the patient's face by the connection to the mask frame.

Abstract: The invention provides a patient interface (10) comprising a patient interface element (12, 14, 15) for delivering breathing gas to a patient, and a forehead support (30). One of the forehead support and the patient interface element comprises a shaft (50) and the other comprises a hollow tube (51) in which the shaft is received, with the shaft slidable within the tube to permit adjustment of the position of the forehead support relative to the patient interface. The shaft and hollow tube are rotatable between a free and locked configuration. This provides a simple to use adjustment mechanism with few components.

Abstract: The invention provides a patient interface (10) comprising a patient interface element (12, 14, 15) for delivering a breathing gas to a user and a forehead support (30). One of the forehead support and the patient interface element comprises a shaft (60) and the other comprises a hollow tube (62) in which the shaft is received, with the shaft slidable within the tube to permit adjustment of the position of the forehead support relative to the patient interface element. One of the shaft and hollow tube are elastically deformable between a deformed configuration in which the shaft can be slid within the tube and a released configuration in which the sliding of the shaft within the tube is blocked.