Abstract: A filter mask for biological material has a mask body and a removable filter assembly.

Abstract: In some examples, a system includes a head-mounted device, a visor that includes a reflective object that is substantially transparent in a visible light spectrum and embodied at a physical surface of the visor, at least one visor attachment assembly that couples the visor to the head-mounted device; at least one optical sensor; and at least one computing device communicatively coupled to the at least one optical sensor, the at least one computing device comprising a memory and one or more computer processors that: receive, from the optical sensor, an indication of light outside of a visible light spectrum that is reflected from the reflective object; determine, based at least in part on the light outside of a visible light spectrum that is reflected from the reflective object, a position of the visor; and perform, based at least in part on the position of the visor, at least one operation.

Abstract: A system comprising a scanner to scan the airman or soldier (subject), a processor to receive, from the scanner, a non-manifold three-dimensional (3D) digital surface model (DSM) scan data representative of the subject, and a computer-aided manufacturing (CAM) device. The processor recognizes anatomical features on the 3D surface model including the cephalic (head) region of the scanned subject; stores each sub region defined by anatomical features as a non-manifold 3D surface model; creates a surface offset from the DSM sub region; creates a closed volume within and between the DSM sub region and the offset surface representative of a solid 3D pilot flight equipment; and causes a computer-aided manufacturing (CAM) device to manufacture the solid 3D pilot flight equipment.

Abstract: A head-mounted device includes a device housing and a facial interface. The facial interface has an upper portion and a lower portion. A headband is connected to a first lateral side and a second lateral side of the device housing and extends around a head of a user to support the device housing with respect to the user. The headband is configured to apply a moment to the device housing in a direction that urges the upper portion of the facial interface toward a head of user so that a first loading that is applied to the head of the user by the upper portion of the facial interface is higher than a second loading that is applied to the head of the user by the lower portion of the facial interface.

Abstract: A hinge mechanism for attaching ear accessories to a helmet allows an accessory to be attached at a point outside the helmet shell utilizing, for example, a slidable mounting rail, and to reach under the edge of the helmet shell so that the accessory is supported in contact with the wearer's head. The hinge mechanism is well suited for use in connection with military helmets that have a “bulge” or protrusion over the ear.

Abstract: A facemask assembly for a helmet is provided with a facemask. The facemask has an upper edge to be adjacent to a nose of a user and a lower edge to be adjacent to a chin of the user when the facemask is connected to the helmet. A first end attachment member is connected to a first end region of the facemask to attach to a faceguard. A second end attachment member is connected to a second end region of the facemask to attach to the faceguard. A series of intermediate attachment members are spaced apart from one another and connected to the facemask between the first and second end regions, with each intermediate attachment member to attach to the faceguard. A method of forming the facemask is also provided.

Abstract: The present disclosure relates to a flavor delivery article, a mouthpiece, a cartridge, and/or an aerosol delivery device that includes such flavor delivery article. The flavor delivery article includes a hollow elongate unit formed of a substantially continuous wall extending between a first end and a second end and defining an interior storage volume, the substantially continuous wall being formed of a porous material having a graded porosity across a thickness of the substantially continuous wall. The flavor delivery article further includes a flavor liquid contained with the interior storage volume of the hollow elongate unit. The flavor delivery article may be positioned anywhere within an aerosol delivery device (or a mouthpiece or a cartridge of an aerosol delivery device) wherein the flavor liquid may pass through the substantially continuous wall to be entrained in an air stream and/or vapor stream and/or aerosol stream passing through the aerosol delivery device.

Abstract: A method of selecting or generating a design for a component of a patient interface device, the method including receiving a scan of at least a portion of a patient's face, receiving preference information about the patient, and generating a custom design or selecting a preexisting design for the component of the patient interface device based on the scan of at least a portion of the patient's face and the preference information, wherein a size or shape of the generated custom design for the component or selected preexisting design for the component is based on the preference information.

Abstract: A system comprising a scanner to scan the airman or soldier (subject), a processor to receive, from the scanner, a non-manifold three-dimensional (3D) digital surface model (DSM) scan data representative of the subject, and a computer-aided manufacturing (CAM) device. The processor recognizes anatomical features on the 3D surface model including the cephalic (head) region of the scanned subject; stores each sub region defined by anatomical features as a non-manifold 3D surface model; creates a surface offset from the DSM sub region; creates a closed volume within and between the DSM sub region and the offset surface representative of a solid 3D pilot flight equipment; and causes a computer-aided manufacturing (CAM) device to manufacture the solid 3D pilot flight equipment.

Abstract: The invention relates to a multisensory case comprising at least one odor-diffusing device consisting of at least one odor-diffusing support and a ventilator as well as a device for generating an air flow. The odor-diffusing device and the device for generating an air flow are arranged one above the other. The invention also relates to an immersive device comprising a screen and at least two multisensory cases, each case comprising at least one device for generating air flows and a sound-generating device, and to a control device designed to manage the emission of sound and air by independently controlling each of the cases.

Abstract: The PAPR frame is a low cost solution that allows the assembly of a PAPR device from readily available off-the-shelf elements. To assemble the PAPR device, a face shield is inserted into the PAPR frame. To utilize the PAPR device, a user inserts the visor of a hat into the PAPR frame and wears the hat. The PAPR device may further include tubing segments; the tubing segments are inserted into tubing apertures arranged through a top curved piece of the PAPR frame. The PAPR device may also further include one or two sound attenuation structures, which are used to dampen the potential noise generated by the air flow within the PAPR device.

Abstract: A head wearable device includes a headpiece, a housing attached to the headpiece, a luminaire attached to the headpiece, the luminaire including a luminaire housing and at least one light source located within the luminaire housing, a duct system connecting the luminaire to the housing, a ball joint rotatably connecting the duct system to the luminaire, and an air moving device configured to induce a cooling air flow through an inlet in the luminaire housing, through the heatsink, through the ball joint, through the duct system, and out of an exhaust in the housing attached to of the headpiece.

Abstract: A helmet/hood assembly includes a housing, a headband support assembly configured to hold the assembly on a human head, a face shield, and a flexible hood attached to the housing and to the face shield, with the assembly being received, stored, used, and disposed as a single unit. The headband support assembly pivots on the housing between a configuration suitable for shipping and storing the assembly and a configuration in which the assembly is worn. An accessory light powered by a battery may be held in place on the housing by magnetic attraction through the hood.

Abstract: A helmetless support and ventilation system for use with surgical hoods and gowns, including a flexible band, a plurality of front offsets connected to the flexible band, an offset extension such that the plurality of front offsets is connected to the offset extension and the offset extension is located away from the flexible band, a plurality of faceplate attachment extensions, wherein each of the plurality of faceplate attachment extensions is connected to the offset extension, a plurality of support faceplate attachments, such that each of the plurality of support faceplate attachments are connected to each of the plurality of faceplate attachment extensions, and a ventilation system located within a surgical gown and a surgical hood for providing filtered, ventilation air within the surgical gown and the surgical hood, wherein the ventilation system is retained by shoulders of a wearer of the ventilation.

Abstract: The present disclosure can be embodied by a detachable assembly, for example a helmet and headphone assembly. A locking assembly can be configured to removably attach the headphones to the helmet in a locked position. In the locked position, the headphones can be locked horizontally onto the helmet, and a portion of ear cups of the headphones may be received at least partially through a pair of ear cup receiving apertures that extend through a shell of the helmet.

Abstract: A head protection device (2), for protecting the head, includes a head bracket (4), with a visor (8) fastened rotatably to the head bracket (4) via two swivel joints (6), and with a branched air duct (10), which has one air inlet (12) and a plurality of air outlets (14). At least one of the air outlets (14) is arranged as a chin air outlet (20) at a lateral section (22) of the visor. At least one of the swivel joints (6) forms an inner air channel (24) extending as a part of the air duct (10) from the head bracket (4) to the visor (8). In addition, a respirator device is provided with the head protection device (2).

Abstract: A hat includes a shell, and an air filtration system for providing a protective stream of air across the face of the wearer of the hat. The shell defines an exterior of the hat. At the back of the shell is a fan housing which contains a fan and defines an interior through which air is passed through the hat. The filtration system includes a filter cartridge and a retaining basket. The filter cartridge includes a filter medium. The filter system is removeably positioned adjacent to and across the fan housing so as to filter air passing into the interior of the hat. The filter cartridge is removeably engaged to the retaining basket. The retaining basket retains the cartridge to the hat and ensures proper positioning of the filter cartridge.

Abstract: In one aspect, an eye shield for a respirator mask of the type having a face piece adapted to fit over the face of a user is provided. The eye shield includes a visor assembly including a visor surrounded by a frame, the visor assembly configured to be removably mounted in an opening in the face piece. One or more fastener elements are provided on the frame for removably securing the visor assembly to the face piece. The visor is formed of a transparent material which filters electromagnetic energy emissions at one or more preselected wavelengths. In certain embodiments, one or more head up display assemblies are attached to the visor assembly for projecting a human viewable image to the visor.

Abstract: An exposure-indicating supplied air respirator system comprises a head top, a clean air supply source and a portable personal communication hub. The head top comprises a visor that is sized to fit over at least a user's nose and mouth, a position sensor secured to the head top, and a head top communication module. The clean air supply source is connected to the head top that supplies clean air to the interior of the head top. The position sensor detects whether the visor is in a closed position or in an open position and the head top communication module communicates the visor position to the personal communication hub. If the personal communication hub receives a signal indicating the presence of a hazard, and if the visor is in an open position, an alert is generated.

Abstract: A helmet mounted protective shroud apparatus for use with respirators includes a shroud mating component adapted to surround a respirator and a shroud component connected to the shroud mating component. The shroud component includes a fabric component having an edge, a plurality of connection mechanisms connected to the fabric component, and a flap component configured to cover a top of the fabric component, wherein the shroud component is adapted to cover a helmet and surround a wearer's head and neck. The present invention allows a chemical-biological protective hood/shroud assembly to be integrated for use with a helmet and respirator.

Abstract: A training filter includes an upper shell having a substantially central hole; a lower shell adjoined to the upper shell; and a plug positioned in the substantially central hole and extending through the lower shell, wherein the plug includes a top wall having a plurality of apertures; a valve adjacent to the top wall and the plurality of apertures; the plug defining a hollow breathing resistance core adjacent to the valve; an angled sidewall flanking the breathing resistance core; and a connection mechanism connected to the plug opposite the top wall. The training filter duplicates the weight, size, shape, and breathing resistance of an actual filter and is reusable and cleanable without a shelf life unlike an actual filter.

Abstract: A handle headgear secures handles and straps to the head of a wearer so that a child riding on the back of the wearer can grab the handles and strap for support. The handle headgear may provide frame strapping for supporting the handles and straps, wherein the frame strapping can be anchored to the head of wearer with chin straps provided by the frame strapping. A substructure may be joined to the frame strapping for further securing the handles and straps.

Abstract: A mask includes a cover body, a first fan, a second fan and an air filter. The cover body has an air inlet and an air outlet penetrating through the cover body. The first fan is disposed on the cover body and matches the air inlet. The second fan is disposed on the cover body and matches the air outlet. The air filter is disposed on the cover body and partially overlaps the air inlet. The first fan drives an air-flow to rapidly flow from the atmosphere into the mask through the air inlet and the air filter. The air filter removes the particulates and the harmful substances in the air-flow. The second fan drives the respiratory gas to rapidly flow from the mask to the atmosphere through the air outlet. Therefore, the user is able to breathe comfortably with non-particulate and clean air.

Abstract: The flexible tube includes a plurality of spiral tubes fitted with each other, and each spiral tube is formed by winding a band-like element and includes a densely wound portion and a loosely wound portion. The loosely wound portion of a first spiral tube is covered with the densely wound portion of a second spiral tube, so that the flexible tube has uniform hardness and resiliency. The flexible tube is suitably applied to an insertion device.

Abstract: A head and neck cooling cap that has an air bag sewn to the back of the cap which extends below the wearer's collar line. The air bag contains a battery operated fan that fills the bag with air. The air is distributed over the cap's adjustable band to the top of the head. Air is also vented through vent grommets or other openings in the bag at the wearer's neck. The fan is equipped with a variable speed motor which runs from a battery pack or USB power pack. The batteries are typically worn in a pocket or other location on the user including a V-clip or possible battery belt or battery holder. The batteries can also be mounted in the bottom of the air bag.

Abstract: A face mask is configured to be worn on a wearer's head and to cover the wearer's nose and mouth. The face mask includes a mask body having apertures, an inhalation port positioned within one of the apertures of the mask body, an exhalation valve positioned within a second one of the apertures of the mask body, a harness assembly configured to extend about a wearer's head wherein the harness assembly includes a first strap, a strap retainer positioned on the mask body and disposed over the exhalation valve, the strap retainer configured to receive the first strap; and a valve protector positioned between the first strap and the exhalation valve.

Abstract: A decorative mask is used as face covering in masquerade, comprising an inverted U-shaped headband with resilient and holding function configured to wear around a user's head; a covering piece positioned on and connected with the headband by a connector; said covering piece defined as a mask; the connector including a first end arranged in one end thereof and connected in a center of a bottom end of the headband; a second end arranged in the other end thereof and connected in a center of a top end of the covering piece; and an resilient part integrally connected between the first end and the second end; the covering piece tended to return to its original position by the connector after opening it, thereby wearing securely, quickly reducing its volume, and compacting for easy storage.

Abstract: A filtering device 10 that includes a housing 12 having a plurality of subsections 32, 34, and 36 where each subsection is adapted to receive a filter element 26, 28, and 30. An inlet 18 is disposed at a first location on the housing 12, and an upstream air distribution system is placed in fluid communication with the inlet 18 and with each of the subsections 32, 34, and 36. A downstream air distribution system is located in fluid communication with each subsection 32, 34, and 36, and an outlet 20 in fluid communication with the downstream air distribution system. The upstream and downstream air distribution systems are constructed to cause the same airflow velocity through each subsection. Using such a construction, overall product service life may be increased while minimizing pressure resistance of the total filter.

Abstract: A respiratory mask assembly including a frame and a cushion provided to the frame. The cushion including a non-face contacting portion removably attached to the frame and a face-contacting portion adapted to engage a patient's face. The face-contacting portion includes a side wall, a rim extending from the side wall and curving inwardly into a cavity of the cushion, and a membrane substantially surrounding the rim and including an inside surface spaced from an outside surface of the rim. The cushion includes a gusset portion extending radially outwardly from the side wall of the face-contacting portion and a reinforcing ring between the gusset portion and the face-contacting portion. The reinforcing ring is constructed and arranged to act as a stiffening hoop to reduce the tendency of the cushion to expand when under pressure.

Abstract: A hinge mechanism for attaching ear accessories to a helmet allows an accessory to be attached at a point outside the helmet shell utilizing, for example, a slidable mounting rail, and to reach under the edge of the helmet shell so that the accessory is supported in contact with the wearer's head. The hinge mechanism is well suited for use in connection with military helmets that have a “bulge” or protrusion over the ear.

Abstract: A headgear for a respiratory mask of a ventilator or CPAP device is provided. The headgear includes a strap portion 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: According to the present device, system, and method, the respiratory assistance mask comprising a hollow body bounding an internal chamber provided with a respiratory gas inlet and outlet, and a bearing member is remarkable in that it also comprises: a flexible membrane inserted on said bearing member and being able to be interposed between said bearing member and the face of said patient; and a multi-perforated internal skirt inserted, thru one of its two contours, on said bearing member and surrounded, at least partially, by said flexible membrane, the free contour of said skirt extending in direction of said internal chamber.

Abstract: A respirator 10 that includes a harness 12 and a mask body 14. The harness 12 has one or more straps 21 and a head cradle 16 that is joined to the one or more straps 21 and that includes first and second laterally-extending members 18, 20 and a latch 26. The latch 26 is able to secure the laterally-extending members 18, 20 in a spaced apart first open position to allow for placement on a person's head and is able to disengage so that the members 18, 20 can move to a second collapsed position to allow for off-the-face storage. The harness is beneficial in that it can be quickly removed from the wearer's head and can be conveniently disposed behind the wearer's neck when the wearer wants to temporarily displace the mask body from their face.

Abstract: A protective hood (18) of a protective garment (16) is provided for use with a face piece or mask (12) worn by a user. The hood (18) includes an outer shell (30) having a peripheral edge (20), and a gasket (22) that extends from the peripheral edge (20) to an interior of the hood (18) for sealing engagement with the face piece or mask (12) with the gasket (22) being covered by the outer shell (30) of the hood (18) when worn by a user.

Abstract: In accordance with an embodiment of the present invention, a protective hood is provided for protecting a wearer's head and face from environmental elements. The hood includes a hood body, a lens, a nose cup disposed inside of the hood body and harness assembly. The harness assembly is attached to the outside of the hood body for securing the hood body and nose cup to the wearer's head and face. The hood further includes at least one nose cup link. Each nose cup link having a portion that is internal to the hood body, a portion that is external to the hood body and a mid-section portion that is connected to the hood body at a plurality of points along mid-section portion. The harness assembly is connected to the external portion of the hood cup link for adjusting the nose cup.

Abstract: A system designed to increase diver safety in high-risk environments containing one or more hazardous materials. The system comprises one or more retrofittable kits enabling the upgrading of contaminate-vulnerable materials of an existing dive helmet to provide full environment isolation for the diver. The system preferably utilizes fluoroelastomeric replacement materials and components to convert an open circuit dive system to a closed circuit dive system. Methods of system development are also disclosed.

Abstract: A headgear article includes a head covering member that has an opening formed therein. A panel is disposed over the opening and is removably attached to the head covering member. A respirator system is also disclosed that includes the headgear article and further including a visor and defining an interior zone. The respirator system also includes a clean air supply system having an inlet configured for connection to a source of clean air and an outlet disposed within the interior zone.

Abstract: A tracheostomy tube assembly comprising a tracheostomy tube and an elongated neck plate secured to said tube having an upper edge, a lower edge and holes at opposite ends thereof, is characterized by a soft, flexible gel-like polymer pad having a center port surrounding the tracheostomy tube and releasably secured on the patient side of the neck plate and extending to or beyond the upper and lower neck plate edges and inside the holes. The pad has a smooth, substantially flat, planar first surface for resting against the patient side of the neck plate and a smooth, soft, transversely concave second surface for resting against a patient's neck, whereby the pad has a thicker cross-section at its opposite side edges and ends, and a thinner cross-section along a center portion extending between the upper and lower pad edges and ends.

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: Powered air respirators include a helmet, a filtering assembly within the helmet, and a face shield assembly pivotably attached to and depending from the front of the helmet mid in fluid communication with the filtering assembly by a filtered-air passageway. The filtering assembly includes a blower assembly including an filtered-air outlet and an inlet, the filtered-air outlet being in fluid communication with the filtered-air passageway, a filtered-air plenum chamber in fluid communication with the inlet of the blower assembly, a filter member adjacent to, and in fluid communication with the filtered-air plenum chamber, and a contaminated-air plenum chamber adjacent to, and in fluid communication with the filter member and in fluid communication with a contaminated-air inlet.

Abstract: This invention is directed to a protective headgear system which includes a relatively light weight, substantially rigid, headgear structure which may include an internal, adjustable headband. The system includes at least one filter which is attachable to the headgear structure to cover the structure and a filter protector mounted thereon. A fan mechanism is mounted on the headgear structure to draw air into the headgear structure through the filter means. A power supply selectively powers the fan. A facial shield is attachable to the headgear structure to cover the face of the wearer to maintain non-contaminating conditions relative to the wearer. A flexible cuff or hood is attachable to the facial shield to enclose the lower opening of the lens and provides protection for the wearer through which air can be exhausted.

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: The invention relates to a respiratory protection mask for a compressed air breathing apparatus comprising a pulmonary machine which is controlled by a control membrane when the wearer of the mask breathes in. According to the invention, the air outlet of the expiratory valve and the control membrane are covered by a common cover, forming a rinsing area on the outside of the control membrane through which homogeneously temperate, clean rinsing air flows from the air outlet to the air discharge openings in the cover, thereby ensuring high functionality and high service life of the membrane-controlled pulmonary machine despite extreme environmental conditions.

Abstract: A respiratory mask assembly includes a respiratory mask and a forehead support secured to the mask via a joining member. The forehead support includes a cushion frame pivotably mounted to the joining member so as to be pivotably movable relative to the mask when the cushion frame is secured to the mask. At least one cushion is mounted on the cushion frame. A finger-operated adjustment control member is provided to the cushion frame. The finger-operated adjustment control member is manually manipulable to adjust a position of the cushion frame relative to the joining member along a predetermined path generally towards and away from the patient's forehead.

Abstract: An apparatus including a lens, a gasket to receive the lens and a frame removably coupled to a respirator helmet is defined. The gasket forms a seal with a respirator helmet. The frame secures the lens within the gasket and defines a release mechanism to enable a quick release of the frame from the respirator helmet.

Abstract: The inflatable harness crew mask includes an inflatable harness with a compressed gas supply system connected to the inflatable harness independent of oxygen supplied to the mask from an oxygen regulator. The mask includes a valve connector with an exhalation and inhalation valve and an inflation valve connected to a pressurized gas inflation supply assembly including a container portion for a compressed gas cartridge, and a regulator portion connected to provide pressurized gas from the cartridge to an inflation gas supply tube connected to the inflation valve, which is manually operable by the user.

Abstract: A respirator mask has a removably mounted support frame that adjustably and removably mounts a corrective lens frame. The corrective lens frame further has a molded bridge with a biasing member embedded therein. A pivotal tab on the support frame is received in one of a plurality of detents on the lens frame for releasably securing the lens frame in the desired position on the support frame. Laterally disposed mounting lugs on the support frame are received in integrally molded pockets in the respirator mask.

Abstract: A face mask support for continuous positive airway pressure comprises a circumferential band with biasing means support at the crown of the head on the medial line of the head. The circumferential edge of the cap extends from just below the forehead of a patient to below the inion protrusion at the nape of the neck. A biasing means which is preferably of length of spring steel is formed so as to extend from the biasing means support hold a nasal or face mask apposed to the face of a patient. The circumferential band is stabilized by a band extending from the circumferential band at the region of the ear to the biasing means support.

Abstract: The present invention is directed to a helmet suitable for use in an operating room setting, an emergency room setting, a hospital setting, or a lab. The helmet of the present invention provides one or more of the following features: (i) superior barrier protection to a surgeon (or other operating room personnel) during a surgical procedure, (ii) a desired degree of air flow through the helmet so as to minimize the potential for carbon dioxide buildup within the helmet, and (iii) an integrated battery pack positioned within the helmet.

Abstract: A personal safety protective device that includes a lens and a support structure onto which the lens is secured. The lens includes a substrate and a hard-coat layer located on the substrate of the lens. The hard-coat layer has a low surface energy outer surface that is derived from a) an additive that includes at least one of i) a perfluoropolyether urethane that includes hydrolysable silane groups, and ii) an acrylate polymer that includes at least one perfluoropolyether moiety and at least one hydrolysable silane group, and b) a silsesquioxane-based hard-coat composition. The provision of such a lens on a personal safety protective device enables the lens to be durable to abrasion and to be easily cleaned without use of solvents that could shorten the service life of the lens.