Abstract: A novel purification device is provided which projects Ultra-Violet wavelength light to create curtain-like beams that impair germs and pathogens exposed thereto or passing through the beams. A preferred embodiment described herein is comprised of a powered Light Emitting Diode to produce light, mounted edgelight-fashion onto an optically clear substrate light guide that has clear remote outer edges for light projection. Substrate utilized herein is an optically clear sheet such as acrylic that guides the edge-mounted L.E.D. produced Ultra-Violet wavelength light to its remote edges, projecting it outwardly through surrounding air and onto surfaces in light beams emitting from edges of the substrate, projected in suitable strength and wavelength UV-C to create a curtain-like partition, a barrier deadly to airborne or surface germs, and renders germs exposed to the light dead, damaged or inert.

Abstract: A system for removing aerosol contaminants from the air in a room is disclosed. The system comprises a vacuum inlet coupled to a vacuum system and operable to draw air from nearby into the vacuum system, filter out aerosol contaminants present in the air, and return the filtered air back into the room. The system includes airways internal to a dental chair, through which air may be drawn and filtered. The system may be used near a patient during a dental or medical procedure to remove aerosol and splatter potentially containing such contaminants as COVID-19 and other infectious diseases.

Abstract: A system which protects the user from electromagnetic radiation, in particular the eyes, face and/or head from UV radiation and/or excessive light as required, while also protecting from thrown particles, projectiles or fluids from striking a user, in particular the eyes, face and/or head, and at the same time providing clean air to breathe.

Abstract: In a contaminated environment with health threatening aerosol a helmet with transparent face shield as an alternative to mask can be used. The helmet protects the entire head of a person using a transparent shield that is knotted at the back of the neck. The helmet uses a fan to suck the environment air, filter it with an aerosol filter and releases the clean air into the interior of the helmet. The contaminated air inside the helmet is filtered and then the clean air is sucked by another fan and released to the environment. The fans are battery powered and their speed can be controlled using sensors and a controller.

Abstract: It is common for the organizers of endurance sports to provide aid stations along the route where participants may receive water to prevent dehydration. To reduce waste at these events, organizers encourage ‘cupless’ races that requiring participants to carry their own vessels. The present invention comprises a hat with a visor, such as a baseball style cap, with a collapsible drinking vessel integrated into the visor. During the course of the race, a runner may encounter a water stop and require a vessel to contain the liquid for immediate consumption. At such time the runner can simply remove their hat and configure the vessel to the open position to receive the liquid. Post-consumption the vessel is configured back to the closed position and becomes seamlessly integrated into the visor with no negative effects upon the runner.

Abstract: The invention relates to a mask for administering oxygen or other breathable gas to the nose and mouth of a patient. The invention relates to improvements in gas delivery masks, and specifically an improved diffuser structure which is particularly suitable for use in an open mask system, in which the mask body includes substantial openings that allow the user to freely converse, drink, and perform other functions. The improvements also relate to a rebound chamber within the diffuser body spaced apart from the gas conduit outlet, the rebound surface being configured to rebound and reverse the direction of flow of at least a substantial portion of the gas stream exiting the outlet from the forward direction to a rearward direction towards the user's face.

Abstract: A fire suppression system for an aircraft (cargo) compartment comprises a source of fire suppression agent and a supply line for conducting the fire suppression agent to the compartment. The supply line comprises a pressure regulating device arranged between the source and the compartment and a pressure relief valve arranged downstream of the pressure regulating device. The pressure relief valve has an outlet which distributes the agent externally of the cargo compartment.

Abstract: A patient interface structure includes a cushion configured to sealingly engage the patient's face and a front that is more rigid than the cushion. The cushion includes a forward opening, a rearward opening that is opposite the forward opening and a continuous sealing surface. The continuous sealing surface has a mouth sealing portion configured to seal around the patient's mouth and a nasal sealing portion configured to seal around both of the patient's nasal airways. The front plate includes an air inlet configured to both receive the pressurized respiratory gas and secure headgear to the patient interface structure. In addition, the nasal sealing portion includes at least one aperture that is separate from the rearward opening. Also, the front plate, the mouth sealing portion and the nasal sealing portion together form a common chamber.

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

Abstract: An air-supply device for supplying breathing air into a breathing-air region. An inflow opening connected to an outflow region via an interior. An outflow region connected to the outflow region via the interior. The outflow region formed on a flexible, air-permeable material. For flexible use of the air-supply device and to avoid significant adverse effect to a user, provision is made for the air-supply device to have a sheet-like, flexible portion, which has a first flat side and a second flat side, located opposite the first. The outflow region arranged on the first flat side. The interior formed between the first flat side and the second flat side. In the interior, at least the outflow region has arranged on it at least one spacer, which prevents the outflow region from butting against the second flat side.

Abstract: A hard hat with air flow system includes a hard hat with an air flow passage for passing air through the hard hat and out exits ports at the front of the hat to provide a shield of air downward across the face of a user. The system includes an air filtration system, a blower assembly for drawing air through the air filter and pushing the filtered air into the air flow passage of the hard hat, and a power supply for powering the blower. The filtration system, blower assembly and power supply being supported on a harness such as a belt or backpack, external from the hard hat.

Abstract: Insect screen assemblies for deployment on the head of a wearer and attachment to sunglasses having sunglasses frame arms may include an assembly screen having a plurality of screen openings. A pair of spaced-apart screen attachment devices may include a pair of screen magnets carried by the assembly screen. A pair of sunglasses frame mounts may be configured for attachment to the sunglasses frame arms, respectively, of the sunglasses. A pair of frame mount magnets may be carried by the pair of sunglasses frame mounts, respectively. The pair of screen magnets may magnetically engage the pair of frame mount magnets, respectively, to detachably secure the assembly screen on the sunglasses. At least one panel securing strap may be carried by the assembly screen. The at least one panel securing strap may be extendable around a neck of the wearer. Sunglasses with an insect screen assembly are also disclosed.

Abstract: A system for intraoral fluid delivery comprises a rate-controlled and/or volume-controlled fluid supply device, a reservoir for holding one or more fluids to be delivered to a patient's oral cavity, a mouthpiece to be worn by a patient at least partially within the patient's oral cavity, and tubing to carry the one or more fluids from the fluid supply device to the mouthpiece. The mouthpiece comprises a fluid inlet adjacent and/or exterior to the patient's oral cavity when the mouthpiece is worn by the patient, a fluid outlet posterior to the fluid inlet, and a fluid channel therebetween.

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

Abstract: Various implementations include a gas delivery and monitoring apparatus that can be used, for example, to deliver oxygen and monitor exhaled carbon dioxide in a subject while under anesthesia. One advantage of the disclosed apparatus is the ability to deliver oxygen directly to the back of the mouth instead of in front of the face. Another advantage of the disclosed apparatus over existing nasal cannulas is the ability to capture carbon dioxide exhaled from both the nose and mouth.

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

Abstract: A portable device provides filtered air to the face of a user, and has a housing having an air outlet disposed to direct air toward a face of a user, a fan disposed inside the housing for urging air toward the air outlet, a filter member disposed in the air outlet, and an air inlet. A UV light source is provided inside the housing, for providing UV light to purify air moving inside said housing toward said filter member. A CO detector disk is mounted on an outside wall of the housing, for providing a visible color change when CO is detected. A pill box is mounted on an outside wall of the housing, as well as a holder for a personal medications log mounted, and a personal medications log insertable therein.

Abstract: A system for delivering oxygen to a substantially stationary patient without coupling a device to the body of the patient is disclosed. The system includes a source of oxygen coupled to a delivery system wherein the delivery system has a pump configured to pressurize oxygen and an elongate hollow member operatively coupled to the pump. The elongate hollow member has a proximal end and a distal end and is constructed to receive oxygen in its proximal end and deliver oxygen to the patient out the distal end. The length and diameter of the elongate member, the flow of oxygen through the elongate member, and the distance from the distal end of the elongate member to the face of the patient are optimized to collimate a stream of oxygen such that when the stream of oxygen reaches the patients face it envelops the face of the patient.

Abstract: A facial accessory system for prophylactic face protection. The system includes a facial accessory configured to be worn about the face of a user. The facial accessory include a channel disposed therethrough in fluid communication with an array of apertures orientated and positioned to generate a substantially continuous curtain of airflow about a face of a user when air is forced therethrough. The system includes an airflow distribution device in fluid communication with the channel of the facial accessory. The airflow distribution device is configured to selectively force air to flow therethrough.

Abstract: A headgear (200) for a respiratory mask (202) of a ventilator or CPAP device is provided. The headgear includes a strap portion (204, 206) formed of a substantially inextensible material. The strap portion has formed on one end thereof a connecting structure configured to connect to a mask of the ventilator or CPAP device. One advantage is that the mask will not or at least will be less inclined to lift off the face as mask pressure is increased.

Abstract: A respiratory component system including a respiratory component and a wearable belt is disclosed. The respiratory component includes a projection, and the wearable belt is configured to receive the projection to releasably secure the respiratory component to the wearable belt.

Abstract: The adjustable mouth shield device provides an adjustably fitted mouth shield with adjustable headband for secure fit. The adjustable headband is fastened to the padded earpiece. The straight first extension from the earpiece is angled downwardly and forwardly to terminate in a swivel joint providing almost 360 degrees of swivel. The second extension is arced both downwardly and forwardly. The u-shaped mouthpiece is fitted to the adjustable spring mount for horizontal pivot of the mouthpiece. The mouthpiece may, by virtue of the swivel joint and the spring mount, be moved completely away from a user's mouth and, in turn, pivoted and swiveled to be directly in front of the user's mouth. The inward curves at the distal end of the mouthpiece aid in sliding on the disposable pads that shield a user from objects, foods and other materials.

Abstract: A respirator assembly e.g. for NBC protection is formed from two separate sub-assemblies. The first sub-assembly comprises a flexible hood (or other suitable headgear), a rigid mounting ring and a peripheral face seal. The second sub-assembly comprise a face plate with lens, oronasal mask and inlet and outlet valves, and is demountably attachable to the ring. The first sub-assembly can be worn on its own with the user breathing ambient air through the front end, the second sub-assembly being added if and when a hazard is encountered. The positioning of the face seal in the first sub-assembly means that a comfortable and reliable fit can be ensured when the sub-assembly is donned prior to a mission, but the user is relieved of the physiological burden of wearing the complete respirator unless and until protection is required.

Abstract: A shoulder mounted hood cooling assembly includes a support, a blower carried by the support, and vents in fluid communication with the blower. The support when worn by a user positions at least a portion of the support adjacent the user's shoulder's and the vents are positioned to direct air exhausted from the blower to a neck or to a head or both the neck and the head of the user.

Abstract: The full face flexible oxygen mask for use with flight helmets includes an elastic face seal with an oronasal cone that seals around the nose and mouth of the wearer, and flexible sealing flaps along the perimeter of the face seal to adapt the face piece of the mask to seal against the surface of a flight helmet. The mask face piece has two large sealing surfaces or channels down each side of the mask that overlap and flex to adapt to seal to a variety of flight helmets. The top of the face seal has an inner and outer flap that work together to seal the exposed face visible between the sides of the flight helmet.

Abstract: A patient-support apparatus has a nozzle to provide forced air to the patient. The nozzle is coupled to a siderail or another portion of the patient-support apparatus. The orientation and flow volume of the nozzle is adjustable.

Abstract: A closed suction catheter includes a valve assembly and a manifold. A catheter tube is attached to the valve assembly and slidably secured within the manifold. The closed suction catheter may include one or more features for promoting an effective, safe, and efficient process for suctioning mucus and other fluids from a patient's lungs, and for cleaning the various components of the catheter system. For example, the closed suction catheter may include a tube wiper having a reinforced leading ridge and/or an internal ledge for efficiently wiping the catheter tube. The valve assembly may include a locking mechanism having a slider unit, a cam arm, and/or ribs that engage openings in the slider unit for maintaining a valve stem in proper alignment and an actuator on the valve assembly in a locked position. The closed suction catheter may include several other features, as well.

Abstract: A supplied air helmet 10 comprises a visor 14 and a face seal 12 that is secured to the visor. The face seal 12 includes a sealing member 18 and a frame member 16. The sealing member 18 extends radially inward from the frame member 16 and has first and second regions of permeability 20 and 22. The second region 22 has greater permeability than the first region 20. The use of a face seal 12 that has differentiated permeability allows for a controlled flow of air through the interior of the supplied air helmet 10.

Abstract: A self-powered, personally wearable air purifier includes a sequence of packed bed filter media packets having filter media therein of specifically targeted types that will absorb those ambient air pollutants that have been identified as being particularly dangerous to human health. A HEPA filter is included for the removal of particulate matter that will have adhered thereto many of such pollutants. Media types can be selected to meet different environmental circumstances, including normal highway or city center air, or terrorist attacks of chemical, biological or “dirty bomb” types as on a battlefield or similar environments. Shoulder straps and a chest strap are provided for wearing the apparatus on a user's back, or other means such as a shoulder pouch can also be employed. Emergency substitution of filter media using thermal insulation from the clothing of the user is available upon depletion of the normal media material.

Abstract: A support for an oxygen diffuser for delivering a plume of oxygen-enriched air to a space in front of a patient's nose and mouth. The support comprises a means for holding a tube associated with the oxygen diffuser. This means is located at the vertex of front portions of rigid arms forming a v-shaped front of the support. A resilient front strap extends between rear portions of the arms. A resilient back strap extends between ends of the rear portions of the arms. In operation, the back strap is arranged so as to extend behind a user's head and is releasably adjustable to an operative length to seat the support securely on a user's head with a portion of the front of the user's face bearing against the front strap, so that, when so seated, the diffuser is held in a position spaced from but proximal to the patient's nose and mouth.

Abstract: A ventilated mask for outdoor use is provided having a face mask to protect the wearer against insects and flying debris. The mask covers the user's nose, mouth and cheek area, and has a removable visor to provide protection for the eyes as well. The use of a snap in filter for additional protection against dust or other airborne irritants. The filter is held in place on the user's head by a pair of adjustable elastic straps. Finally, a hinged opening is provided in the mask area by the user's mouth to allow the insertion of game calling devices, drink bottles, straws, and the like, without requiring the user to remove the mask.

Abstract: The device for creating a curtain of air across the face is a headset with a fan mounted thereon. The outlet of the fan has flexible tubing or cowling which allows for control of both direction and cross section of a curtain of air that crosses the face. The curtain of air prevents airborne particles and chemicals from making contact with the face.

Abstract: A modular helmet system having a helmet base to protect from impacts the crown of a wearer's head and terminating basally in a rear rim and side rims; a C-shaped extension detachably connected to said rims to protect from impacts, when fitted to the helmet base, the base of a wearer's skull; and a crown comb detachably connected centrally over the crown of the helmet base. The helmet base is provided with ventilation windows centrally located over its crown. The comb covers and seals said ventilation windows. The comb is also employed to secure the extension in place, when fitted on the helmet base.

Abstract: A gas mask and breathing equipment is provided including a compressor. The gas mask and breathing equipment provides good flushing out of the carbon dioxide during the phase of expiration with the lowest possible compressor output. An air channel (31) is formed by the visor (5) and an inner wall (4) extending in parallel to the visor and is provided in the area of the visor (5). The air is discharged through gas discharge openings (6) at the inner wall (4).

Abstract: A lightweight oxygen delivery device is provided for a patient is provided, the device comprising an elongated tube bendable to a particular shape and capable of maintaining that shape. The tube is adapted to carry oxygen and has a first end and a second end. The first end is releasably connectable to an oxygen delivery source. To the second end of the tube is secured an end of a rigid elbow. One of those ends being secured to the second end of the tube and an oxygen diffuser connected to the other end of the elbow. An oxygen diffuser is connected to that other end of the elbow. The diffuser comprises a body having a wall, the interior surface of which wall is of generally concave configuration. The wall circumscribes a centrally positioned oxygen outlet communicating with that other end of the elbow so as to receive oxygen from the elbow and direct the flow of oxygen delivered from the elbow generally towards the patient's nose and mouth.

Abstract: With reference to FIG. (2), a helmet (2) for an aircraft crew member (1) is provided with a device (10) for forming an eye-shielding curtain (11) of air in front of the crew members eyes. The air exhausts to the ambient atmosphere (9) by way of an escape path (12) beneath the lower edge of the visor (4), as indicated by arrow (13).

Abstract: A safety helmet includes a hat having an arcuate, elongated recessed area defined in an inner face of the hat and a through hole defined through a periphery of the hat. A lining is detachably connected to the inner face of the hat so as to define an air duct inside the safety helmet.

Abstract: A helmet for artificial respiration without the aid of masks, comprising a containment body with at least one optically transparent portion, which can accommodate hermetically the head of a patient. The containment body has an air intake port that can be connected to a ventilation apparatus and an outlet port. The helmet further comprises, on the containment body, substantially at the mouth of the patient being treated, an opening that can be closed removably by a closure element.

Abstract: Protective helmet comprising a two piece shell, an electric motor and impeller useful for creating a positive pressure environment in the head space, and a filter for removing particulates and other substances. The impeller introduces atmospheric air into an air channel defined by two detachably attached shell pieces. The air is pushed through a particulate filter in the air channel and then through at least one aperture into the head space. A heating element may be used to heat the air flow.

Abstract: A lightweight oxygen delivery device for a patient comprising an elongated tube, releasably connectable to an oxygen delivery source at one end and to a rigid elbow at the other. The wall circumscribes a centrally positioned oxygen outlet communicating with the tube through the elbow so as to receive oxygen from the elbow and direct the flow of oxygen delivered from the elbow generally towards the patient's nose and mouth. Flexible wings are secured to the tube, between its ends, the wings extending outwardly to either side. An elongated flexible strap is secured to and extends between the wings, the strap to extend around a patient's head and secure the wings in position to hold the diffuser proximal to the patient's nose and mouth.

Abstract: An air filtration system and a helmet for use in the air filtration system are disclosed and utilized to filter air between a head and body of a user and an external environment. The air filtration system and helmet include inner and outer shells that define an air flow channel for channeling air about the user. A fan module is mounted between the inner and outer shells and a scroll housing is mounted adjacent the fan module. The scroll housing includes an air inlet for drawing air into the air filtration system and helmet, and at least one air outlet to distribute air flow to the air flow channel. The helmet includes air exits at front and rear sections that are in fluid communication with the air flow channel and the air outlet or outlets. The air filtration system includes a gown operating as a filter for filtering the air.

Abstract: A respirator that comprises a head piece (1) that is shaped to form a breathing zone (13) around at least the nose and mouth of the wearer, and an air flow passage (15, 34) for supplying a forced flow of air to the breathing zone. The air flow passage has a constricted portion (46) that includes a flow detecting orifice (52). The forced flow of air generates suction at the flow-detecting orifice. A pressure-responsive indicator device (30) is in fluid communication with the flow-detecting orifice through a tube (54) and is operable to alert the wearer if the suction generated by the air flow through the passage falls below a predetermined value.

Abstract: A helmet for artificial respiration without the aid of masks, comprising a containment body with at least one optically transparent portion, which can accommodate hermetically the head of a patient. The containment body has an air intake port that can be connected to a ventilation apparatus and an outlet port. The helmet further comprises, on the containment body, substantially at the mouth of the patient being treated, an opening that can be closed removably by a closure element.

Abstract: An oxygen diffuser for a lightweight oxygen delivery system for a patient, the oxygen delivery system being of the type comprising a mount for seated engagement on a patient's head or ear, an elongated tubular boom for oxygen delivery secured at one end to the mount and having the diffuser secured to the other end, the diffuser to deliver oxygen passed through the boom to a space in the vicinity of the patient's nose and mouth, the diffuser comprising a body having a wall, the interior surface of which wall is of generally concave configuration, circumscribing a centrally positioned oxygen outlet so as to direct the flow of oxygen from the outlet generally towards the patient's nose and mouth; and a baffle seated over the oxygen outlet so as to assist in mixing of oxygen with ambient air and avoid a direct flow of oxygen towards the patient's face.

Abstract: The inhalation therapy assembly and method of use described herein increases the efficiency of metered dose inhalers by allowing delivery of the doses to a collapsible reservoir which can be manually pumped, ensuring that medicants contained therein are properly and completely delivered to the patient. Terminal and proximal valves of the one-way diaphragm type allow flow of the aerosol medicants while preventing improper expulsion. An exhalation valve is adjustable to ensure the patient exhales suitably to permit proper medicant absorption. A conventional metered dosage inhaler having an approved FDA canister provides proper dosage to the patient and is joined to the collapsible reservoir by a connector having a plurality of apertures for receiving the MDI and an accessory T-fitting.

Abstract: The present invention relates to compositions and methods for pulmonary administration of full-length parathyroid hormone to mammalian hosts for the treatment of osteoporosis. Thus there is provided a therapeutic preparation comprising a human full-length parathyroid hormone, or homologues thereof, in the form of a dry powder suitable for inhalation in which at least 50% of said dry powder consists of (a) particles having a diameter of up to 10 microns; or (b) agglomerates, of such particles.

Abstract: A breathing apparatus includes a regulator which delivers air to a user wearing a mask. The regulator is connected to the mask through an adaptor. The adaptor includes an exhalation valve which enables the user's breath to pass out of the adaptor to atmosphere. The regulator includes a sensing diaphragm that is movable responsive to pressure in the mask. A main valve delivers air to the mask responsive to opening of a pilot valve. The pilot valve includes a pilot opening. A lever moves in response to the sensing diaphragm to open the pilot opening which causes flow through the main valve. Air from the main valve is also delivered to a positive pressure chamber. Pressure in the positive pressure chamber moves a positive pressure diaphragm which causes a positive pressure spring to biasingly engage the sensing diaphragm. The biasing of the sensing diaphragm causes the regulator to maintain a positive pressure in the mask.

Abstract: Hollow eyeglass frames are combined with a wearable distributed air pump to form a portable positive pressure powered air purifying delivery system for inconspicuously supplying respirable air to the nostrils of an individual. Ambient air is pressurized by combining the outputs of a plurality of piston compression tubes arranged and connected to form a thin flexible pump that can be worn around the waist. This pressurized air is passed through filter and conditioning modules to form respirable air, which is then piped to air inlet ports on the hollow frame eyeglass temples using small diameter tubing. Nose tubes on the hollow eyeglass frames near the nose inconspicuously direct the respirable air into the nostrils at a rate that exceeds the peak inhalation rate of the individual, thereby preventing the inhalation of unfiltered air.

Abstract: An apparatus for supplying breathable gas wherein the apparatus includes a main housing, a sub-housing having a gas flow path between a gas inlet and a gas outlet, a power source within the main housing and an impeller within the sub-housing in fluid communication between the gas inlet and the gas outlet. The impeller is adapted to releasably engage the motive power source external the gas flow path and the sub-housing is releasably connectable to said main housing. Also disclosed is a method of cleaning, sterilising or disinfecting the gas flow path of the breathable gas supply apparatus. The method includes removing the sub-housing from the main housing, cleaning, sterilising, disinfecting or replacing the sub-housing and connecting the sub-housing to the main housing.

Abstract: A respiratory device is disclosed that optimizes delivery of oxygen and detection of carbon dioxide to a user through the use of a flexible lever arm and mouthpiece which may be adjusted to deliver the oxygen toward the user's oral and nasal cavities, and detect carbon dioxide, exhaled by the user, from a separate orifice of the mouthpiece. The lever is supported by a rotatable adapter attached to a head mounted brace. The adapter can rotate through 180° for placement of the lever on either side of the user's head. The adapter is hinged to eliminate occluding and kinking during rotation. A hose having tubular members therein delivers the gases to and from the user. The hose traverses through the lever arm and adapter, terminating at the lever arm into the mouthpiece. The mouthpiece has a plurality of ports for fluid flow. The hose terminates at the other end in gas detection and delivery equipment. The hose may be segmented or one continuous piece.