Abstract: A cushion assembly for a patient interface for sealed delivery of a flow of air at a continuously positive pressure to a patient's airways includes a foam cushion configured to sealingly engage the patient's face; and an elastomeric support portion configured to support the foam cushion and form at least part of a plenum chamber with the foam cushion. The elastomeric support portion includes a support structure and a folded section extending radially inward from the support structure. The folded section acts as a seat for the foam cushion, and the folded portion is configured to allow the foam cushion to roll inward toward an interior of the chamber in response to a compressive force acting on the foam cushion.

Abstract: A breathing assistance apparatus has a housing with an engagement feature and an electrical component in the housing and a removable component. The electrical component has a receptacle. The removable component has an electrical connector that is a close or tight fit in the receptacle of the electrical component to assist with holding the removable component in connection with the electrical component. The removable component has a tab with a terminal end portion that can be flexed relative to the rest of the removable component. An engagement feature is provided on the terminal end portion of the tab and engages with the engagement feature of the housing to inhibit disconnection of the removable component from the housing in the absence of actuating the terminal end portion of the removable component to flex the tab.

Abstract: A powered air-purifying respirator (PAPR) carriage and assembly includes: a blower assembly configured to draw in and purify ambient air; a power source operably connected to the blower assembly; and a carriage, which is configured to be worn by a user and to receive and carry the blower assembly and the power source. The carriage includes a main body that is configured to be worn on the shoulders of the user and includes a first cavity for receiving the power source and a second cavity for receiving the blower assembly. The first cavity and the second cavity are defined by portions of the main body positioned on opposing anterior and posterior sides of the user when worn. When the PAPR carriage and assembly is in use, the carriage thus causes the weight of the blower assembly and the power source to be distributed across the upper body of the user in a counterbalanced manner.

Abstract: A mask apparatus includes a mask body, a seal disposed at a rear surface of the mask body, a fan module disposed at a front surface of the mask body, and a mask body cover that covers the fan module and is coupled to the front surface of the mask body. The mask body includes an air duct configured to guide external air from the fan module to a breathing space inside the seal, and an air exhaust hole configured to discharge air exhaled into the breathing space to an outside of the mask body. An area of a duct outlet of the air duct is greater than an area of a duct inlet of the air duct.

Abstract: A patient interface comprises a seal-forming structure including a textile membrane and a support structure to support the textile membrane. The seal-forming structure may have a varying construction in order to accommodate different regions and the varying contours of the patient's face to ensure a robust and comfortable seal. An air impermeable layer of the textile membrane may have a thickness that varies in different portions of the textile membrane and/or different regions of the cushion assembly. Further, the seal-forming structure may include an underlying cushion, and an arrangement of the textile membrane and the underlying cushion and/or the configuration of the underlying cushion may vary in different regions of the cushion assembly to optimize patient comfort and the effectiveness of the seal in different regions of the patient's face.

Abstract: A personal air filtering device comprising a rigid component comprising a transparent face shield, a fabric component, wherein the face shield and fabric combine to cover an entire head of a user and form a seal around the user's neck, an intake port with an inlet filter, an exhaust port with an exhaust filter, an air mover causing filtered air to enter the intake port from outside the device and exhaust air to exit the exhaust port, and a controller configured to adjust the rate at which the air mover moves air.

Abstract: An apparatus includes multiple first reservoirs and multiple second reservoirs joined with a substrate. Selected ones of the multiple first reservoirs include a reducing agent, and first reservoir surfaces of selected ones of the multiple first reservoirs are proximate to a first substrate surface. Selected ones of the multiple second reservoirs include an oxidizing agent, and second reservoir surfaces of selected ones of the multiple second reservoirs are proximate to the first substrate surface.

Abstract: A device for clearing an obstructed airway of a subject, including an airway interface configured to be positioned over a mouth and/or nose of the subject, a pump in fluid communication with the airway interface and configured to generate suction at the airway interface when activated, and a sleeve surrounding the pump, where the device is configured to activate the pump to generate the suction when the airway interface is pushed against the mouth and/or nose of the subject by pushing on the sleeve, where the device is configured to be held and activated with one hand.

Abstract: A respiratory mask or other sealing interface can be used in combination with a nasal cannula or other unsealing interface in providing respiratory therapies for the treatment of COPD or OSA. The mask can act as a pressure vessel over the top of a nasal cannula, with the intention of increasing expiratory pressure whilst allowing the nasal cannula to provide a user with breathing gases of a high humidity and temperature. The ability to selectively apply increased expiratory pressure may be effective in reducing a user's breathing rate and thus beneficial in the treatment of respiratory distress.

Abstract: A personal air filtration system comprising a rigid component, a flexible component, wherein the rigid component and the flexible component combine to cover at least a user's mouth and nostrils and form a seal therearound, an intake port with an inlet filter, an exhaust port, an air mover causing filtered air to enter the intake port and exhaust air to exit the exhaust port, and an app running on a user's smart device, wherein a smart app is configured to control and monitor operation of the system.

Abstract: In one embodiment, the present invention provides a system to deliver at least one therapeutic gas to a spontaneously breathing patient, wherein the rate of delivery of the at least one therapeutic gas exceeds the patient's inspiratory flow rate, and the amount of the at least one therapeutic gas that is wasted is minimized or eliminated.

Abstract: A respiratory mask assembly for use with a patient, and that is suited for use with children ranging in age from about 2-7 years, includes a flexible patient interface structure arranged to interface with and deliver air to the patient's nose, the patient interface structure including cylindrical protrusions extending from respective opposite sides of the patient interface structure adjacent the patient's nares; a frame configured to support the patient interface structure, the frame including a pair of cylinders, each cylinder configured to receive a respective cylindrical protrusion of the patient interface structure; headgear arranged for releasable attachment to the frame; an air delivery tube connected to either one of the cylindrical protrusions; and a plug connected to the other one of the cylindrical protrusions.

Abstract: A patient interface for sealed delivery of a flow of air to ameliorate sleep disordered breathing may include: a seal-forming structure to form a pneumatic seal with the entrance to the patient's airways; a positioning and stabilising structure to maintain the seal-forming structure in sealing contact with an area surrounding the entrance to the patient's airways; a plenum chamber pressurised at a pressure above ambient pressure in use; a connection port for the delivery of the flow of breathable gas into the patient interface; and a device positioned within a breathing chamber defined, at least in part, by the seal-forming structure and the plenum chamber, wherein the device divides the breathing chamber into a posterior chamber and an anterior chamber, and wherein the device comprises a plurality of apertures such that turbulence of the air in the posterior chamber is less than turbulence in the air in the anterior chamber.

Abstract: A gas washout vent for a patient interface may be configured to allow a flow of patient exhaled gas to an exterior of the patient interface to minimise rebreathing of exhaled gas by the patient and the vent may include: a plurality of vent passages extending between a first and a second side of the vent, each vent passage may include: a plurality of first openings extending from the first side towards the second side, said first openings being uniform in size and shape; a plurality of second openings extending from the second side towards the first side, said second openings being uniform in size and shape; and wherein the first openings and the second openings partially overlap each other at an interface to form constricted passages therebetween.

Abstract: A device for delivering gas includes a frame, a gas delivery hose, and a noise reduction component. The gas delivery hose is detachably connectable to the frame. The noise reduction component includes a ventilation port and a muffler. The ventilation port is provided in communication with the cavity of the frame, and the muffler is connected to the frame and covers the ventilation port. The muffler has a first surface having a first breathable area exposed to the external environment, and a second surface having a second breathable area exposed to the cavity. The muffler also has multiple breathable channels connecting the first breathable area and the second breathable area, allowing gas in the cavity to be discharged from the muffler to the external environment. The multiple breathable channels in the muffler can disperse the gas flow, making it less turbulent and reducing the noise generated.

Abstract: A breathing mask includes a rigid member, an elastic member, and a foam member. The rigid member has an interface on the side away from the user's face for accessing the breathing gas of the continuous positive airway pressure device, and a flared joint on the side adjacent to the user's face. The elastic member is in communication with the inner cavity of the rigid member and is fixedly connected to the flared joint. The side of the elastic piece adjacent to the user's face at least partially abuts the user's nasal bridge area to form an elastic body part, and a support part connected to the elastic body part is provided on the side of the elastic member adjacent to the user's face. The foam member is fixed to the support part and, together with the elastic member, forms a sealing surface for fitting the user's face.

Abstract: A patient interface assembly includes an elastomeric piece configured to receive a flow of pressurized respiratory gas and sealingly engage the patient's face. The elastomeric piece forms a plenum and includes a mouth sealing portion, a nasal sealing portion, and an anterior surface with an air inlet opening configured to be coupled to a connector and/or an air delivery tube. The patient interface assembly also includes a stiffening structure that is attached to the anterior surface of the elastomeric piece. The stiffening structure comprises a central aperture that is sized so that the air inlet opening and a portion of the anterior surface surrounding the air inlet opening remain exposed through the central aperture. The stiffening structure is configured so that the entirety of the stiffening structure is inferior to the patient's nose in use.

Abstract: Ventilation masks are described herein. A ventilation mask includes a mask body and a gas manifold. The mask body defines a patient cavity and further includes a patient opening in fluid communication with the patient cavity; and at least one vent opening formed through the mask body, the at least one vent opening in fluid communication with the patient cavity, wherein the at least one vent opening is disposed generally opposite to the patient opening. The gas manifold is coupled to the mask body. The gas manifold can define a gas channel. The gas manifold can include a plurality of vectored gas ports in fluid communication with the gas channel, wherein the plurality of vectored gas ports are configured to create a curtain effect gas flow within the patient cavity to form a gas curtain within the patient cavity and adjacent to the at least one vent opening.

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 sensor adaptor couples a face mask to a gas sampling tube connected to a device detecting end-tidal carbon dioxide. The sensor adaptor includes a shaft and connector. The shaft includes a channel providing a pathway for the carbon dioxide to travel toward the gas sampling tube. One end of the shaft includes an adaptor tip which extends through an exit port of the face mask. A connector is attached to the other end of the shaft and couples the sensor adaptor to the gas sampling line. A gripper may surround the shaft and prevent improper advancement of the shaft into the face mask. The sensor adaptor can be designed for use with any gas sampling tube and any face mask including exit ports.

Abstract: A high flow therapy system for delivering heated and humidified respiratory gas to an airway of a patient includes a respiratory gas flow pathway for delivering the respiratory gas to the airway of the patient by way of a non-sealing respiratory interface; wherein flow rate of the respiratory gas is controlled by a microprocessor, a mixing area for mixing a first gas and a second gas in the respiratory gas flow pathway, a humidification area downstream of the mixing area and configured for humidifying respiratory gas in the respiratory gas flow pathway, and a heated delivery conduit for minimizing condensation of humidified respiratory gas.

Abstract: A nasal ventilation mask having one or more attachment ports located adjacent to and overlying an upper lip of a patient when worn.

Abstract: The invention is an aspiration device that can be used to dislodge an object from a choking victim's airway or to remove water from a drowning victim's airway. The device comprises a hollow cylinder comprising a movable piston mounted within the cylinder interior. A system for automatically moving the piston rearwardly to expand the size of the cylinder chamber is provided. An airway extends between the cylinder chamber and a facemask so that air can be drawn into the cylinder chamber through the mask when the piston is moved in a rearward direction. A compressed spring disposed within the cylinder chamber can bias the piston in a rearward direction. A releasable latch that allows the piston to move from a forward position to a released position is housed within an endcap.

Abstract: A particulate collecting device for dental patients is disclosed. The device includes a pair of vertical flanges, with a first flange configured to be positioned and worn on a right side of a patient's chest and a second flange configured to be positioned and worn on a left side of the patient's chest. The vertical flanges have an inner contour that aerodynamically funnels air flow away from the patient's face. The device includes a protective sheet located between the vertical flanges. The device includes a particulate matter reservoir that is fluidly coupled to the vertical flanges and configured to receive funneled air, and particulates contained therein, from the vertical flanges. The device also includes a negative air pressure generator, which is fluidly coupled to the particulate matter reservoir and produces negative air pressure in a direction from a top area of the vertical flanges towards the particulate matter reservoir.

Abstract: A filter mask for biological material is provided wherein the filter mask has a fan assist for inhalation.

Abstract: An airway assist device and methods of making and using an airway assist device to assist in opening an airway or removing fluid or material obstructing an airway of a subject.

Abstract: A patient interface is configured to deliver a pressurized flow of respiratory gas to a patient's airways. The patient interface includes a cushion and shell assembly with a cushion portion mounted on a shell portion that is more rigid than the cushion portion. The cushion portion is configured to sealingly engage the patient's face and has a vent opening. The shell portion includes a plurality of headgear connectors. The patient interface further includes a gas washout vent assembly configured to be positioned within the vent opening of the cushion portion. The gas washout vent assembly includes a main body configured to be secured to the cushion portion, a porous body, and an outer cover with a plurality of openings. The main body at least partially houses the porous body and the outer cover.

Abstract: Several embodiments relating to ultraviolet face shield systems and methods of use are provided herein. Such face shield systems feature an ultraviolet light source capable of inactivating, destroying, or killing germs, bacteria, viruses, or other pathogens such as human coronavirus COVID-19, and protecting individual(s) from infection.

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 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 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: Several embodiments relating to ultraviolet face shield systems and methods of use are provided herein. Such face shield systems feature an ultraviolet light source capable of inactivating, destroying, or killing germs, bacteria, viruses, or other pathogens such as human coronavirus COVID-19, and protecting individual(s) from infection.

Abstract: An air filter assembly for a bicycle is disclosed. The air filter assembly includes a body having a bracket and a frame. The bracket is configured to mount to a bicycle frame. The frame defines a tapered opening having a windward side and a leeward side. The tapered opening is larger on the windward side than on the leeward side. A removable air filter cartridge is mounted within the opening of the frame such that a force acting on the air filter cartridge on the windward side tends to wedge the air filter cartridge in the opening. A foam member is attached to an outer periphery of the air filter cartridge and is disposed between the air filter cartridge and the frame. The foam member is compressible so as to hold the air filter cartridge in the opening of the frame. The foam member compresses to a greater degree on the leeward side of the opening than on the windward side of the opening. The air filter assembly is mountable to a handle bar of a bicycle.

Abstract: A facemask assembly can include an interior air filter that is replaceable and/or contains biocidal elements. The filter can capture exhaled H2O to activate silver ions creating a biocidal environment. In some embodiments, at least part of the facemask is made via additive manufacturing. A facemask frame assembly can create a pleated filter to increase surface area and bring the filter material closer to the mouth and nose. The facemask can include a facial skirt customized to the facial geometry of the wearer. The facemask can have a permanently sealed filter than can withstand boiling and autoclaving temperatures so the mask system can be sterilized without disassembly. In some embodiments, the facemask has a visible display of how many times the facemask has been sterilized. In some embodiments, the mask includes a RFID device that can transmit how many times the facemask has been sterilized.

Abstract: A high flow therapy system for delivering heated and humidified respiratory gas to an airway of a patient, the system including a respiratory gas flow pathway for delivering the respiratory gas to the airway of the patient by way of a non-sealing respiratory interface; wherein flow rate of the pressurized respiratory gas is controlled by a microprocessor.

Abstract: A positioning and stabilising structure comprising at least one gas delivery tube to receive the flow of air from a connection port on top of the patient's head and to deliver the flow of air to the entrance of the patient's airways via the seal-forming structure, the at least one gas delivery tube comprising a tube wall having an extendable concertina structure comprising a plurality of folds in the tube wall alternatingly forming a plurality of ridges and a plurality of grooves, the folds able to be at least partially unfolded to increase a separation of the ridges to elongate the extendable concertina structure; and one or more ridge connecting portions provided to the tube wall, each of the one or more ridge connecting portions connecting two or more adjacent ridges of the plurality of ridges and being configured to resist the separation of the ridges.

Abstract: A nasal ventilation mask having one or more attachment ports located adjacent to and overlying an upper lip of a patient when worn.

Abstract: A nasal mask has exhalation scoop fixed adjacent a lower portion of mask, adapted to overlie an upper lip of a patient when the mask is worn. The mask includes ports for sampling flow of CO2 expelled from the mouth and nose of the patient to the end-tidal CO2 port, and a pressure-based flow resistor for balancing flow of CO2 expelled from the mouth and the nose of the patient.

Abstract: A ventilator adaptor for switching between ventilator devices while maintaining respiratory support to a patient is described. The ventilator adaptor has a first movable element with a first inlet and a second inlet, and a second movable element movably attached to the first movable element and with an outlet. The outlet has an inner diameter of 14.5-15.5 mm, preferably 15 mm, and the first inlet and the second inlet have an outer diameter of 14.5-15.5 mm, preferably 15 mm. The outlet is in fluid communication with the first inlet in a first position or with the second inlet in a second position by moving the second movable element relative to the first movable element thereby aligning the outlet with the first inlet or the second inlet. The outlet may be attached to an endotracheal tube in order to form a ventilation assembly.

Abstract: The disclosed technology is generally directed to mixed reality, augmented reality, and/or virtual reality devices. In one example of the technology, a first hologram is caused to be displayed to an operator with a first gaze selection area that is associated with a first selectable option. A gaze location that is associated with a gaze of the operator is evaluated. Responsive to the gaze location coinciding with the first gaze selection area of the first hologram, a first gaze dwell timer is begun. A total duration of the first gaze dwell timer is adjusted based on the gaze location being in a specific portion of the first gaze selection area. Responsive to the gaze dwell timer finishing, the first selectable option is caused to be selected.

Abstract: Provided in accordance with aspects of the present disclosure is a coupling device configured to receive first and second devices. The coupling device may define a first passageway having an inner surface with a first coefficient of friction and defining a first axis. The coupling device may define a second passageway having an inner surface with a second coefficient of friction and defining a second axis, wherein at least a portion of the second axis is at an angle relative to the first axis.

Abstract: A nasal cannula according to an embodiment of the present invention includes: an oxygen supplying portion which forms a space inside in which a nose and a mouth of a user can be disposed and is able to supply oxygen in a state of being put on by the user into the nose of the user; and a mask portion to which the oxygen supplying portion is attached in a detachable manner therein and is configured to be put on a face of the user. Since a space in which a nose and a mouth of a user can be disposed is provided inside the oxygen supplying portion so that a user can put on the nasal cannula in a convenient state and the oxygen supplying portion is put on in a state of being supported by the mask portion, oxygen can be supplied into the nose of the user and at the same time external air can be filtered.

Abstract: A respiratory mask made of cloth and having a nasal portion and an air delivery arrangement is disclosed. The cloth that is used is impermeable to air and is designed to provide a mask that will inflate to provide therapy to patients at a positive pressure. The air delivery arrangement provides air at positive pressure to the body of the mask via a hermetic seal.

Abstract: A breathing mask comprises: a frame; a forehead support frame connected to the frame pivotally to allow the forehead support frame to shift toward or away from the forehead of a patient; and an adjusting member connected to the frame rotatably and having an adjusting slope. The forehead support frame has a joining part in contact with the adjusting slope so that the forehead support frame is driven to rotate pivotally through the rotation of the adjusting member. Through the matching between the adjusting slope and the joining part, the breathing mask converts the rotation of the adjusting member to the shifting of the forehead support frame; and through rotating the adjusting member, the height of the forehead support frame relative to the forehead of the patient can be adjusted. In use, the forehead support frame can be shifted by rotating the adjusting member with a single hand.

Abstract: A sensor adaptor couples a face mask to a gas sampling tube connected to a device detecting end-tidal carbon dioxide. The sensor adaptor includes a shaft and connector. The shaft includes a channel providing a pathway for the carbon dioxide to travel toward the gas sampling tube. One end of the shaft includes an adaptor tip which extends through an exit port of the face mask. A connector is attached to the other end of the shaft and couples the sensor adaptor to the gas sampling line. A gripper may surround the shaft and prevent improper advancement of the shaft into the face mask. The sensor adaptor can be designed for use with any gas sampling tube and any face mask including exit ports.

Abstract: Various embodiments of a personal respiratory protection device (10) are disclosed. The personal respiratory protection device (10) includes an upper panel (18), a central panel (16), and a lower panel (20), the central panel (16) being separated from each of the upper and lower panels (18) by a first and second fold (36), seam, weld (76) or bond, respectively, such that the device is capable of being folded flat for storage along the first and second fold (36), seam, weld (76) or bond and opened to form a cup-shaped air chamber over the nose and mouth of the wearer when in use. The lower panel (20) includes a stiffening sheet (40) that has a longitudinal crease line, where the stiffening sheet (40) is folded about the longitudinal crease line when the device is in use.

Abstract: A carbon dioxide airway adaptor can be attached to an oropharyngeal airway device or an oxygen facemask. The adaptor includes a dome-shaped body, an attachment mechanism at the edge of the body to attach the carbon dioxide airway adaptor to the oropharyngeal airway device or oxygen facemask, a port in the body to provide an airway and access for suctioning, a first docking sleeve in the body to provide oxygen supplementation, and a second docking sleeve in the body to provide end-tidal CO2 monitoring.

Abstract: A CPAP comfort seal. The CPAP comfort seal includes a base comprising a first loop of fabric secured to a second loop of fabric, wherein the first loop of fabric and the second loop of fabric are secured to one another along a common perimeter edge. An opening is defined by an inner perimeter edge of the first loop of fabric and the second loop of fabric. An elastic band is disposed on the inner perimeter edge of the second loop of fabric. The opening is configured to receive a CPAP mask therethrough, such that elastic band contacts an outer side of the CPAP mask. The first loop of fabric contacts the wearer's face when the CPAP mask is secured thereto, providing additional sealing properties and increased comfort for the wearer.

Abstract: A gas ventilation mask includes an anesthesia nasal mask and a mouth mask defining respectively a nasal chamber and an oral chamber, detachably connected to one another so that the nasal mask and the mouth mask may be used either separately as a nasal mask or as a mouth mask, or as a combination nasal-mouth mask. Also provided is an anesthesia mask strap system having a first expandable strap portion having the ability to extend; second and third non-expandable strap sections fixed to ends of the first expandable strap section; and an adhesion section for fixing a length of the strap system when the second and third non-expandable strap sections are pulled to tension the expandable strap section.

Abstract: A ventilation mask (10) includes a mask body (100), a frame (200) and an elbow (300). The mask body has a first opening (130) and a sealing member (110) configured to engage the face of a patient so as to surround at least a mouth and a nose of the patient. The frame is connected to an outer surface of the mask body, and has an interface member (220) configured to interlock with the mask body at the first opening. The elbow has a first end (310) connectable with a gas supply, and a second end (320) configured to be fixedly secured to the interface member of the frame and to enable flow of gas from the elbow into the mask body through the first opening.