Abstract: A nasal mask of the type for delivering gas for example to ease or assist the breathing process includes a shell and a cushion connected with the shell. The shell has a side wall and a retaining ring disposed inside the side wall. The side wall and the retaining ring define a gap extending around the shell. The cushion has a side wall with an outer peripheral edge portion including a tongue extending around the cushion. The tongue of the cushion is received in the gap in the shell to secure the cushion to the shell. Various straps assemblies and forehead adjusters for nasal masks are also shown.

Abstract: A filtering apparatus may comprise a base material folded in a folded state. A filter may be attached to the base material. In addition, the filtering apparatus may comprise a perforation. The perforation may be configured to define a portion of the base material configured to be removed from the base material. The base material may be configured to be transformable to an unfolded state when the portion of the base material is removed along the perforation. An adhesive may be attached to the base material. The adhesive may be configured to adhere the filtering apparatus around at least one orifice of a subject when the base material is in the unfolded state. In addition, the filter may be doped with medication or other substances depending upon an intended application. The filtering apparatus may also contain a tactile area to assist the subject in using the filtering apparatus.

Abstract: The present invention discloses an adjustable forehead support for a nasal or full-face mask wherein the forehead support may be adjusted for the different shapes and sizes of a facial profile. The forehead support utilizes a dual-arm system that adjusts the position of the forehead support vis-á-vis the mask and/or airflow tube. The angle of the mask to the face may be adjusted with the present invention.

Abstract: A respiratory device includes a face seal and a unitary body that forms an interface with the face seal and includes a lens and a chassis. The chassis includes at least one port for fluidic connection.

Abstract: A forehead support adapted to be secured to a respiratory mask includes a joining member for securing to the mask and a cushion frame pivotally mounted to the joining member. The cushion frame is adapted to locate one or more forehead cushions. The cushion frame is adapted to pivot relative to the joining member. The cushion frame is selectively lockable at two or more predetermined angular positions relative to the joining member.

Abstract: Headgear for use with a respiratory mask is described. The headgear includes a continuous and substantially curved elongate member extending in use below a user's nose and at least two headgear straps capable of attachment to the ends of the elongate member. A mask attachment on the elongate member is disposed to sit below or on one of said user's nose, mouth, upper lip and an inlet to the mask. The attachment is capable of receiving the mask.

Abstract: A respiratory face mask is provided suitably sized and configured to engage at least the nose portion and mouth portion of a patient's face. Gas from a gas supply and scavenging set normally used in dentistry is operatively coupled to the mask via a breathing circuit to supply fresh gas and evacuate exhaled waste gas. A gas flow compensator in the breathing circuit automatically prevents re-breathing of exhaled gas. Because the mask has a sealing cushion, contamination of the clinical room where the apparatus is being used also is avoided.

Abstract: A respiratory mask includes a frame including a breathable gas port, wherein the frame defines an inner chamber to receive at least one of a wearer's nasal region and mouth. The mask includes a cushion including a flange connected to the frame, an inner rim defining an opening to the inner chamber of the frame, and a sealing portion disposed between the flange and the inner rim to contact the wearer's face. The sealing portion includes a nasal seal section to span a wearer's face above the wearer's nares, side seal sections extending from each side of the nasal seal section on both sides of the wearer's mouth, and a chin seal section that extends between the side seal sections. The chin seal section is upwardly curved in an arch to follow the chin's bony contour.

Abstract: A respiratory protection device comprises a housing (1) defining a chamber within the housing. The chamber is open in a region which in use is adapted to be nearest to a user. A porous element (3) is located within the chamber and a communicating member (5) communicates with the porous element (3) within the chamber.

Abstract: A patient interface gas delivery mask having a rolling diaphragm that connects a seal member forming a cushion which contacts the patient's face with a mask shell or that connects a conduit coupling member with the mask shell. The rolling diaphragm of the present invention allows the cushion to self align to the patient's face and allows relative movement between the seal member and the mask shell. This prevents torque acting of a conduit coupled to the mask shell from being translated to the seal member, which might otherwise dislodge the seal member creating unwanted gas leakage at the seal member-patient interface.

Abstract: A sealing lip device for a breathing mask includes a receiving opening for receiving at least the nose tip region of a mask wearer, a sealing lip which is formed from an elastomeric material and which surrounds the receiving opening and which is configured to cross the bridge of the nose and which has a contact zone provided for bearing against the face of a mask wearer in use. The sealing lip is elastically and yieldingly arranged in such a way that a first sealing lip zone which in use seals the region of the bridge of the nose has a higher degree of flexibility than a second sealing lip zone which in use is adjacent to at least one of the nostrils and the upper lip of the mask wearer in the application position of the breathing mask. The sealing lip includes a folding bellows structure that suspends the sealing lip in the region of the first zone provided for sealing of the region of the bridge of the nose. The folding bellows structure includes a fold indentation having zones of differing wall thickness.

Abstract: A patient interface includes a body member, a partition, a nasal seal portion, and a port. The partition is integral with the body member, and separates an interior of the member into a first chamber configured to receive a nose of a patient and a second chamber. The nasal seal portion is integral with the partition, and projects therefrom into the first chamber. The nasal seal portion includes a seal surface and a gas passage therethrough. The seal surface is configured to conform with a lower portion of the nose that is surrounding nasal passages of the patient, without entering the nasal passages of the patient, when the patient interface is mounted operatively on the face of the patient. The port integral with the member is in fluid communication with the second chamber for delivery of gas to the patient via the gas passage in the nasal seal portion.

Abstract: A mouth seal assembly for use with a nasal mask system includes a mouth seal adapted to form a seal with the patient's mouth. The mouth seal is substantially independent from a supply of pressurized air from the nasal mask system. An anti-asphyxia valve may be provided to either the mouth seal over the patient's lips or the nasal mask system. A strap arrangement may support the mouth seal in a desired position on the patient's face in use.

Abstract: In accordance with at least one exemplary embodiment, a cushion for a ventilation interface is disclosed. A ventilation mask can include a mask body adapted to matingly engage with the cushion. The cushion can be a double-membrane cushion having an outer sealing membrane and an inner membrane, both of which can extend from a frame. The outer sealing membrane can have a face-contacting portion. The inner membrane can be outwardly oriented from the frame.

Abstract: An adjustable mask provides a unique configuration, whereby one hand may be used to both doff the respirator and to securely don the mask. In one embodiment, such configuration is facilitated by a reel attached to one or cords, the cord attached at a second end to a harness designed to engage a portion of the head. Rotation of the reel in one direction causes the one or more cords to tighten, while rotation of the reel in an opposite direction causes the one or more cords to loosen.

Abstract: The invention is a method for padding CPAP face and full face masks forehead and nose bridge area to prevent skin irritation, discomfort, indentions, allergies and ulcers. The pad is attached to the forehead part of the CPAP face mask by way of pockets sewn into the body of the pad. The pad protects the forehead area of the wearer as well as the nose bridge by way of a flap of material that fits between the seal of the mask and the wearer's nose bridge area distributing the pressure from the mask seal. Persons with sleep apnea rely on CPAP therapy to prevent the obstruction in order to continue to breathe while sleeping. The CPAP masks appear medical and strange, especially to a new user of the device. By making the CPAP mask more comfortable with soft padding and also preventing marks and sores, it is more likely that the person will continue their therapy and improve their health.

Abstract: A respiratory mark assembly for delivering breathable gas to a patient includes a frame and a cushion. The cushion has a non-face contacting portion structured to be connected to the frame, a face-contacting portion structured to engage the patient's face, and an intermediate portion that interconnects the non-face contacting portion and the face-contacting portion. The intermediate portion includes a gusset portion that applies a first component of force to the patient's face through the face-contacting portion. A spring structure is coupled with the face-contacting portion of the cushion. The spring structure applies a second component of force to the patient's face through the face-contacting portion. The first and second components of force applied by the gusset portion and spring structure, respectively, determine a contact force of the cushion applied to the patient's face through the face-contacting portion. The intermediate portion may also include an elastic cuff portion.

Abstract: A patient interface device of the invention includes a shell having a wall with a port extending therethrough, a conduit coupling in fluid communication with the port, and a mounting member rotatably. The mounting member is coupled to the conduit coupling, or both such that the mounting member is rotatable over a 360 degree range while the patient interface device is donned on a user and without locking in a fixed position relative to the shell or conduit while the patient interface device is donned on a user.

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 breathing mask device, a sealing lip device for a breathing mask device, a molding tool and a method for producing a corresponding breathing mask device and sealing lip device are described. An aspect of the invention is to provide ways that make it possible to create a breathing mask device that, with sufficiently strong tightness is distinguished by particular wearing comfort and which moreover can be produced advantageously in times of industrial production standpoints.

Abstract: A respiratory mask has an adjustable forehead support member that is simple and inexpensive to manufacture. The forehead support member may be adjusted by rotating a forehead pad about an off-center bore or by bending an angular adjustment beam. The mask has a mask cushion with an accordionate membrane having at least two hinged portions. The mask may be constructed with a mask frame, the mask cushion, and the forehead support member molded as one piece.

Abstract: A forehead pad for a breathing mask includes a substantially dimensionally stable first wall element and an elastomer second wall element coupled to the first wall element. The second wall element has a contact zone adapted to contact a surface of a user in use. The first and second wall elements define a filling-material-receiving chamber adapted to receive a filling material.

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 system for adjusting a gas delivery mask is provided. The system may include a base, an arm pivotally coupled to the base, and an intermediate member slidably coupled to both the base and the arm. The arm may include a first threaded portion, and the intermediate member may include a second threaded portion coupled to the first threaded portion. Rotation of the second threaded portion relative to the first threaded portion may slide the intermediate member along the arm and relative to the base such that the arm pivots relative to the base.

Abstract: A patient interface that reliably and comfortably seals a user's face by providing an oral-nasal mask that includes an integrated nasal interface. The patient interface includes a seal member having an oral cushion portion configured to surround the user's mouth and a nasal interface portion that provides an interface with the user's nose. The seal member, including the oral cushion portion and the nasal interface portion, is a unitary member. Finally, the nasal interface portion remains below the bridge of the nose.

Abstract: A respiratory mask assembly includes a rigid mask frame with a rim portion including a rearwardly projecting tongue and lateral flange and a cushion having a rim with a corresponding groove and a rearwardly facing shoulder. A clip in the form of a collar passes over the cushion, engaging behind the shoulder, and has one or more securing tabs that engage recesses in the flange.

Abstract: A respiratory mask, a mould for a respiratory mask, as well as to a method for producing a respiratory mask are disclosed, in which manufacturability and usability of respiratory masks are improved. A respiratory mask is disclosed for administering a breathable gas to a patient, the respiratory mask comprising a first component formed from a flexible material and a second component formed from a material that is more rigid than the flexible material, wherein the first component is formed onto the second component by an overmoulding process.

Abstract: In accordance with one embodiment of the present disclosure, an adjustable gas delivery system is provided. The system may include a face mask, an arm apparatus, and a gasket. The face mask may be configured to deliver gas to a subject, and may include a flexible cushion portion configured to interface with the subject's face and a rigid base portion configured to support the cushion portion, the rigid base portion including a gas inlet. The arm apparatus may be configured to deliver gas to the face mask. The arm apparatus may include a gas outlet having a cross-sectional area smaller than a cross-sectional area of the gas inlet of the base portion of the face mask. The gasket may couple the gas outlet of the arm apparatus with the gas inlet of the face mask. The gasket may be flexible such that the orientation of the face mask relative to the arm apparatus is adjustable.

Abstract: A patient interface for use in delivering a flow of breathable gas to an airway of a patient includes a first seal adapted to contact the patient's face and seal a first space between the patient interface and the patient's face at a first positive pressure; and a second seal adapted to contact the patient's face and seal a second space between the patient interface and the patient's face at a second positive pressure. The first seal also seals the first space from the second space. A leak reducing element may be provided on a seal to reduce and/or diffuse leakage of gas. A vacuum line configured to create a negative pressure may be provided in the second space to remove any gas leaking from the first space to the second space. A seal may be connected to a conduit for delivering the flow of gas that is incorporated into a frame of the patient interface.

Abstract: A soft material replaceably coupled to a ventilation interface, wherein the soft material is positioned between the interface and a user's face to alleviate discomfort. The soft material may be configured to be replaceably couple to various ventilation interfaces which may include CPAP interfaces.

Abstract: A patient interface includes a frame, a cushion, and a reinforcing member. The cushion has a non-face-contacting portion connected to the frame and a face-contacting portion adapted to engage the patient's face in use. The face-contacting portion includes a side wall and a flexible membrane extending from the side wall. The reinforcing member is provided to at least a portion of an interior and/or exterior surface of the side wall of the cushion. The reinforcing member provides reinforcement to the side wall of the cushion to at least limit lateral expansion of the cushion in use. The reinforcing member may have a stiffness that is selectively varied along its length.

Abstract: A respiratory mask includes a mask frame, a forehead support provided to the mask frame and including a forehead member, and headgear including at least one strap adapted to connect to the forehead member. The forehead member includes one or more holes configured and positioned to allow at least one strap to form a strap loop that loops around at least a portion of the forehead member and arrange one or more layers of the strap loop between the headgear member and the patient's forehead in use.

Abstract: A respiratory mask is provided having cushion and a shell wherein the cushion has a frustum portion that extends towards the face of the user to provide a larger more stable and comfortable interface with a user which is better able to conform to the complex geometry of the user's face.

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 cushion for use with patient therapy may include a face contacting element having at least one portion including at least a first gel and a skin portion containing the first gel. The skin portion may be silicone based. The face contacting element may be substantially triangular, and at least one of the cheek regions and the lower region of the triangular face contacting element may include a concave section that curves inwardly towards the breathing chamber. The cushion may include first and second gels having one or more properties that are different from one another.

Abstract: In accordance with one embodiment of the present disclosure, an adjustable gas delivery system is provided. The system may include a face mask, an arm apparatus, and a gasket. The face mask may be configured to deliver gas to a subject, and may include a flexible cushion portion configured to interface with the subject's face and a rigid base portion configured to support the cushion portion, the rigid base portion including a gas inlet. The arm apparatus may be configured to deliver gas to the face mask. The arm apparatus may include a gas outlet having a cross-sectional area smaller than a cross-sectional area of the gas inlet of the base portion of the face mask. The gasket may couple the gas outlet of the arm apparatus with the gas inlet of the face mask. The gasket may be flexible such that the orientation of the face mask relative to the arm apparatus is adjustable.

Abstract: A mask assembly adapted for use with a positive airway pressure device, includes a mask frame, an elbow assembly provided to the frame, a cushion provided to the frame, a forehead support assembly, and a neck to connect the frame to the forehead support assembly, wherein the neck includes a pair of side walls having a streamlined design that is made to look sleek and reduce or minimize obtrusiveness. The pair of side walls may take the form of a single wall or more than two walls. The mask frame may include a recessed port structure including at least one port having access to an interior of the frame which at least in part with the cushion defines a breathing chamber in communication with a nasal passage of the patient in use. The mask frame may also include a channel to receive the cushion. The channel is formed by an outer wall and an inner wall and the channel includes an inner surface having a bead to engage with an outer surface of an edge of the cushion.

Abstract: A full-face cushion for a patient interface that delivers breathable gas to a patient includes a frame connector adapted to attach the cushion to a mask frame and an interface provided to the frame connector. The interface is constructed of foam and defines a cushion cavity. The interface includes a foam contact surface adapted to interface or contact with surfaces of the patient's face in use.

Abstract: The portable emergency respirator comprises a case having a compartment therein. An oxygen supply is disposed inside of the heat resistant container body. An elongated tube connected to an airtight aperture of container body extends from the container body to deliver oxygen to an oxygen respirator mask. The oxygen respirator mask has a plurality of head straps and adjustment buckles. The respirator mask is preferably rubber-sealed for efficient delivery of oxygen to the wearer and to prevent toxic environmental air from reaching the wearer's lungs.

Abstract: A respiratory mask comprises a sealing flange connected to a mask body by a sinusoidal shaped cushioning member. The cushioning member resiliently compresses when the sealing flange is pressed against the face of a wearer to ensure an airtight seal between the sealing flange and the face of the wearer. The cushioning member functions as a spring, compressing to allow the sealing member to better conform to the face of the wearer but resiliently urging the sealing flange outward against the face of the wearer to prevent leaks.

Abstract: A nasal mask assembly includes a relatively flexible cushion arrangement including a cushion that provides a breathing chamber and a face-contacting portion to form a seal around the patient's nose in use, an inlet tube supported by the cushion to deliver breathable gas into the breathing chamber for breathing by the patient, and three support members extending outwardly from the cushion. A relatively rigid frame is provided to a front side of the cushion arrangement. The frame includes three headgear attachment structures. Headgear includes three headgear straps engagable with the three support members and the three headgear attachment structures to maintain the cushion arrangement in a desired position on the patient's face.

Abstract: A pressure support respiration mask includes an elastic cap body having: a front end wall that is formed with a front opening; a surrounding wall that extends rearwardly from a periphery of the front end wall in a transverse direction relative to the front end wall, that defines an inner space in fluid communication with the front opening, and that has a rear end; a skirt wall that flares outwardly of the inner space from a periphery of the rear end of the surrounding wall, and that has a rear end; and a rear end wall that is constricted from a periphery of the rear end of the skirt wall to define a rear opening.

Abstract: The invention provides a nasal cushion for a mask assembly for delivering pressurised gas to the nose of a subject for treatment with continuous positive air pressure. The nasal cushion includes a self-supporting side wall defining a nose-receiving cavity; the side wall extending from a first end to a second end. The side wall is formed continuously with a thin membrane extending inwardly from a second end of the side wall into the nose-receiving cavity for sealingly engaging the nose, upper lip and cheeks of a subject. The side wall has continuously varying thickness. The first end of the side wall is adapted to engage a mask frame. The invention further provides a mask assembly for delivering pressurised gas to a patient, the assembly including a nasal cushion for sealing against the nose, cheek and-lip area the nasal cushion as described, a frame for receiving the nasal cushion, and a headgear, the headgear including a rigid arm for positioning behind the ear of a patient.

Abstract: The present invention provides a mask for sealing an area around a patient's mouth and nose for delivery of an aerosol. The mask includes a mask body having an opening for reception of the aerosol and a mask seal configured to engage a patient's face around the nose and mouth. An adapter is arranged to be removably attached to the mask body for removably coupling the mask body to an aerosol delivery device.

Abstract: A respiratory mask assembly for use in the delivery of non-invasive positive airway pressure to a user. The assembly includes a rigid shell having a channel portion defined by an inner wall, an outer wall and a channel floor, a face-contacting cushion acting to space the shell away from the user's face and a sealing tab extending from the cushion to engage a portion of the shell to provide a continuous airtight seal between the cushion and the shell. A retaining ring within the mask assembly is configured to secure the cushion to the shell. The retaining ring has a first portion including at least one clip configured to pass through at least one slot portion such that an underside surface of the at least one clip engages a section of the shell when the retaining ring is positioned within the channel.

Abstract: A tightenable band clamp with a clamping band and a tightening head with two clamping jaws which are a certain circumferential distance apart and which can be moved toward each other by a tightening device. For this purpose, at least one clamping jaw, in the area of its radially inside surface, has at least one projection which extends in the circumferential direction toward the other clamping jaw and which projects into the gap.

Abstract: A system for treating respiratory disease, obstructive sleep apnea (OSA) and snoring and for improving breathing efficiency is described. In one embodiment, the system includes a valve system having a first valve adapted to be positioned over a person's mouth and a second valve adapted to be positioned over a person's nose. The valves are selected such that in one application the valve system allows the person to inhale through the nose only and exhale through the mouth only while in another application the valve system allows the person to exhale through the nose only and inhale through the mouth only.

Abstract: Apparatus for communicating a positive fluid pressure to patient's nasal passageways including a mask engaging the area surrounding such patient's nasal passageways, sealing the mask, for delivering breathable gas to patient's air passageways. The mask is manufactured from a composite material with a relatively soft plastic inner layer and a cloth outer layer. The device has an exhaust valve including a plurality of apertures through the composite material. The apparatus includes a retaining means of at least one strap.

Abstract: A system/method for reducing or eliminating application of continuous, repeated, and/or excessive pressure at the contact footprints of a patient interface device and headgear assembly. For example, a patient interface with a plurality of cushions, each producing a different contact footprint when worn by the patient is employed. As another example, a plurality of patient interface devices, each having a cushion that produces a different contact footprint when worn by the patient, are employed. As another example, a patient interface device having a cushion, the configuration/shape of which can be altered such that the contact footprint which it produces is also changed, is employed. The contact footprint to which the patient is exposed is altered after a predetermined time period.

Abstract: A patient interface device that includes a support member sized and configured to span at least a portion of a patient's face while remaining below the patient's eyes responsive to the patient interface device being donned by such a patient. A sealing assembly is attached to the support member via a snap assembly associated with the support member and the sealing assembly. The snap assembly allows the sealing assembly to selectively attach to the support member.