1972results about "Breathing masks" patented technology

The present application provides a system for coupling a harness strap (302) to a respirator mask, comprising a first coupling element (304) attachable to a harness strap for securing a respirator mask to a wearer: and a second coupling element (326) fixed with respect to the respirator mask and configured to releasably engage with the first coupling element to couple the harness strap to the mask, wherein the first coupling element is rotatable about an axis of the second coupling element and said rotation is limited by a stop arrangement (328).

A mounting rail assembly comprises a rail configured to be coupled to a helmet. The rail may include a rear surface and a front surface with a mounting groove extending along a length of the front surface. The mounting groove may be open outwardly from a front surface of the rail and be configured to couple to a first accessory device at two or more positions along the length of the rail. A recess may be proximate an edge of the mounting rail assembly. The recess may be open generally perpendicular to the mounting groove and configured to receive a second accessory device. At least a portion of the recess may be positioned between the mounting groove and the rear surface of the rail.

The present disclosure provides an article of personal protective equipment (PPE) associated with a worker. The article of PPE includes at least one sensor configured to generate signals indicative of a sensed variable related to at least one of the worker and the work environment. The article of PPE further includes a processor communicably coupled to the at least one sensor and at least one other article of PPE associated with one other worker. The processor is configured to receive the signals from the at least one sensor. The processor is further configured to determine one or more messages corresponding to the signals. The processor is further configured to transmit the one or more messages directly to the at least one other article of PPE based on at least one of a push communication protocol, a pull communication protocol, and a continuous communication protocol.

The present invention relates, in general terms, to a face mask. The present invention also relates, in general terms, to composite material, iron-iron oxide compositions and their methods of fabrication thereof. In particular, the iron-iron oxide composition comprises a cashew testa extract and iron particles and / or oxide core-shell particles. The iron-iron oxide composition can be used as an anti-microbial composition.

A wearable device for comprehensive bio-monitoring of physiologic metrics to determine metabolic, pulmonary and cardiac function and oxygen saturation measurements from breathing mask apparatuses. The device non-invasively monitors the physiologic profile of the subject, and is capable of detecting physiologic changes, predicting onset of symptoms, and alerting the wearer or another person or system. In some embodiments, the device comprises both a wearable sensor suite and a portable gas composition and flow analysis system. In preferred embodiments, it comprises a miniaturized non-invasive sensor suite for detecting physiologic changes to detect dangerous breathing or other health conditions. The acquired physiologic profile is used to generate alarms or warnings based on detectable physiological changes, to adjust gas delivery to the subject, alter mission profiles, or to transfer control of the craft or other duties away from a debilitated subject. The device is compact, portable, vehicle independent and non-encumbering to the subject.

A system includes a personal protective equipment (PPE) configured to be worn by an agent. The PPE includes a sensor assembly comprising a radar device configured to generate radar data, a microphone configured to capture speech input from the agent, and an inertial measurement device configured to generate inertial data. The system includes a computing device configured to: process sensor data from the sensor assembly, the sensor data including at least the radar data and the inertial data, to generate pose data of the agent based on the processed sensor data, the pose data including a location and an orientation of the agent as a function of time, to process the speech input to identify an item of interest in an environment in which the PPE is deployed, and to form mapping information for the environment with the item of interest being marked, based on the processed speech input.

The invention discloses a multi-modal image fusion method based on a fire mask and the fire mask, and relates to the field of general image data processing or generation. The method comprises the following steps: respectively acquiring field environment images containing flame edge and building contour line information by using an image acquisition device and an infrared sensor; and inputting a dynamic weight adjustment neural network model to accurately identify a smog dense area and an environment detail clear area, thereby improving an image fusion weight of a corresponding area, and superposing temperature and contour information to obtain an area differentiation fusion image. Heat distribution and building structure features are highlighted, and finally the boundary of the key area is enhanced and displayed in real time. By implementing the method, the intuition of fire scene information presentation can be improved.

A smart face mask device includes a housing that is designed to mount to a personal protective face mask and a memory within the housing that is configured to store sensor data. The device includes one or more sensors configured to generate the sensor data during use of the personal protective mask. The device also includes a processor operatively coupled to the memory and configured to process the sensor data to determine information regarding a user of the personal protective mask, and to transmit the information regarding the user to a remote application.

The present technology relates to an electroporation based antimicrobial apparatus The electroporation based antimicrobial apparatus includes a negative electrode and a positive electrode powered by an energy source, operatively coupled to an air inlet structure, such that upon applying 10 an external electric field across the negative electrode and the positive electrode, a lightning-rod effect is generated that causes permanent damage to outer structure of microbes passing along with air through the air inlet structure, thus achieving instant disinfection. The energy source includes a 15 respiration driven triboelectric Nanogenerator (R-TENG) for harvesting wasted biomechanical energy from the periodic motion of respiration. The R-TENG includes a pair of nanofiber films comprising a first nanofiber film composed of a tribopositive material and a second nanofiber film 20 composed of a tribonegative material. The tribopositive and tribonegative materials are with opposite polarity and the R-TENG serves as a filtration system concurrently. Most illustrative diagram:

The present invention belongs to the technical field of respiratory protection, and particularly relates to a communication system and method for respiratory protection devices, and a respiratory protection system. The communication system comprises: a pairing transmission module, which comprises a first pairing unit and a second pairing unit; and a master control module, which comprises a communication unit, a control unit and a storage unit, wherein the communication unit is in communication connection with the pairing transmission module, so as to perform information transmission, and the control unit collects and processes identity information of the first pairing unit and / or the second pairing unit and pairing information. Effective communication between respiratory protection devices and a master control module can be realized by means of the communication system; a database for the plurality of respiratory protection devices is established by means of the master control module, such that data can be analyzed, mined and visualized to discover the correlation and regularity between the data, thereby providing support for decision making; and a unified platform or system can also be integrated with other systems, so as to realize automated decision-making control and monitoring management, thereby improving the intelligence level of the system.

A system of head protection with an integrated air filtration mechanism for protecting the user from impact / concussion and ambient air pollution. Example embodiments comprise a rigid helmet shell covering the head of the user and a fabric air barrier around the user's neck, a battery powered filtered centrifugal fan contained inside an external detachable cowl apparatus adjoins to a helmet external top spoiler with a mounting system that is easily removable to meet impact attenuation standards. The cowl apparatus directs clean filtered air into the duct system—a top spoiler funnel connected to an internal clean air duct and exits the visor air curtain providing continual clean laminar airflow between the user's face and the face shield. One or more sensors, calibrated to detect harmful particulates and a processor to automatically activate the system as a protective measure when harmful particulates are encountered and a sensor to detect when filter element needs replacement.

Face covering system for protecting a wearer from airborne particulate matter includes a headband attachment system and a face covering having a plurality of layers, as follows: an outer, a stiffening, a filtration, and an inner layer. The face covering forms a breathing space in the unfolded or donning position. The breathing space is formed by an upper nose panel, a bottom chin panel, a top central panel, and a bottom central panel. The upper nose and bottom chin panels are conformable to the face while cooperating with the top and bottom central panels. The breathing space provides for improved comfort and sealability and operates to help keep the upper nose and bottom chin panels from rubbing against the wearer's lips. The face covering system further includes a nose cushion member, a nose wire, and various welds and weld seams for coupling the various components of the face covering together.

The invention discloses an intelligent air supply mask, and relates to the technical field of protective masks, the intelligent air supply mask comprises a mask main body, and the mask main body is used for covering the mouth and nose of a wearer to form a breathing space; the mask further comprises a filter element assembly, an air outlet valve, a sound transmission assembly, a pressure sensor, an air supply assembly, a control device and a power supply assembly which are arranged on the mask body, the filter element assembly communicates with the breathing space and filters inlet air, the filter element assembly comprises a filter box and a filter element, the filter element is arranged in the filter box, and the filter element is a corrugated filter element; the air outlet valve is communicated with the breathing space for exhausting; the sound transmission assembly is used for transmitting sound; the pressure sensor is used for detecting gas pressure in the breathing space; the air supply assembly is used for assisting in supplying air into the breathing space; the control device controls the air supply assembly to work according to the gas pressure data; the power supply assembly is used for supplying power. Auxiliary air supply can be carried out, follow-up adjustment is achieved, the stuffiness feeling of a wearer is reduced, the service life of the filter element can be prolonged, and the dust containing degree of the filter element can be improved.

The present disclosure provides embodiments of a personal protective device which include one or more sensors. The personal protective device is in the form factor of a filtered mask to cover the nose and the mouth of the subject when in use. One or more sensor modules are connected to the mask for detecting one or more parameters related to an inhalation and or exhalation of the subject. The mask is held onto the face of the subject by one or more support members.

A patient interface of a respiratory therapy system is provided, and includes a mask body; a mask seal secured to the mask body and configured to form a seal with the user's face, at least around the user's mouth; the mask body and mask seal being arranged to define an interior breathing chamber of the patient interface; and an inlet to the breathing chamber configured to receive a flow of breathable gases into the breathing chamber. To assist in allowing a user to speak clearly whilst wearing / using the patient interface, a user actuatable speech valve is provided on the patient interface and is operable to selectively occlude and open a speech flow path from the breathing chamber to atmosphere when the user wishes to speak.

A wearable air purifier is provided and includes a headgear, an air delivery mask, and a fan. The air delivery mask is connected to the headgear and bounds an air delivery region. The air delivery mask is further configured to define a first airflow path to deliver a flow of air to the air delivery region. The headgear defines a second airflow path. The fan is configured to direct airflow to the first airflow path and the second airflow path.

A head wearable air purifier is provided. The head wearable air purifier includes a first speaker assembly, a second speaker assembly, a nozzle, and a control circuit. The first and second speaker assemblies are arranged to be worn over the ears of a user. The first speaker assembly includes a filter assembly, a motor-driven impeller for creating an airflow through the filter assembly, and a first speak assembly air outlet downstream from the filter assembly for emitting a filtered airflow from the first speaker assembly. The nozzle can receive the filtered airflow from the first speaker. A nozzle air outlet emits the received filtered airflow towards a mouth and / or a nose of the user. The control circuit can control the motor-driven impeller of the first speaker to have a maximum rotational speed from 9,000 to 18,000 RPM and can implement active noise cancellation for the first speaker assembly.

The present disclosure relates generally to breathing apparatuses where inhaled air and exhaled air are separated into different channels to permit a user to inhale fresh air. These devices can optionally filter inhaled air and exhaled air. These devices may include valves to help guide inhaled air and exhaled air to desired locations.

A headband assembly and a respiratory-mask system, wherein the headband assembly is of a planar structure in a spread and deployed state, and the headband assembly includes a head-mounting part (1) that is for clinging to and being worn on a head and connecting parts (2) that are connected to two sides of the head-mounting part (1) and are for connecting a respiratory mask; and the head-mounting part (1) includes an upper headband (11) that is for clinging to a top of the head and has a preset width and a rear headband (12) that is for clinging to a rear side of the head and is located under the upper headband (11), wherein the upper headband (11) is of an arch structure whose concave faces the rear headband (12). The headband assembly can cling to the head, to enable it to be firmly worn on the head.

The present disclosure presents a communication device configured to removably attach to a mask, and to receive, transmit, and amplify sound and / or speech from a wearer.

The invention provides a fire rescue protective suit based on hazardous gas monitoring and early warning software and hardware integration. According to one embodiment of the invention, the fire rescue protection suit comprises a protection assembly, a sensing module, a node communication module and a display module, wherein the sensing module is arranged in the protection assembly, and the sensing module is used for collecting environment information and physical sign information of rescue workers; the node communication module is used for sending the environment information, the physical sign information and the positioning information of the rescue workers to a safety centralized control center; early warning information sent by the security centralized control equipment is received; wherein the early warning information comprises the operation efficiency information of the rescue workers and the dangerous area grade in the environment where the rescue workers are located; and the display module is used for receiving the early warning information from the node communication module and displaying the early warning information.

Interfaces for positive pressure therapy having various vent designs are disclosed herein. The interfaces include a bias flow vent with design geometries that help reduce and / or minimize draft and noise levels of the fluids exiting the vents. Some of the vent designs include particular vent hole geometries, plenum spaces, diffusers and fibrous media.

A nasal mask having a seal housing and a flexible nasal seal connected or connectable to the seal housing to define a mask cavity. The nasal seal extends between a face-contacting side and an outer side. The nasal seal has a contacting surface having an edge that defines a nose-receiving opening into the mask cavity and which is configured to seal about the user's nose. The nasal seal also has an under-nose support fixedly connected into the seal and which is configured to extend within the mask cavity and having a contact surface that is oriented to contact at least a portion of the under-nose surface of the user.

The utility model discloses a fire extinguisher with high protective property, which comprises a fire extinguisher body, a connecting pipe and a nozzle, the connecting pipe is communicated with the fire extinguisher body, substances in the fire extinguisher body can be sprayed out from the nozzle, and a protective component is arranged at the nozzle of the connecting pipe. One side of the protection assembly extends towards the side opposite to the nozzle to form a fireproof part, the fireproof part can prevent flames from burning hands during fire extinguishment, the fire can be blocked through the protection assembly, a user is prevented from burning the hands, and then the fire can be accurately aligned to a fire source for fire extinguishment. In addition, due to the arrangement of the protection assembly, certain psychological suggestions can be given to a user of the fire extinguisher, so that the fear or fear of flames is reduced, the fire extinguishing efficiency is improved, and the flames are extinguished in time.

A wearable air purifier that includes headgear for mounting on a wearer's head, a fan assembly operable to generate a filtered airflow, and a nozzle for directing airflow from the fan assembly, the nozzle being couplable to the headgear at opposite sides of the wearer's head to extend across a front of the wearer's head. The nozzle includes side portions located on respective sides of the central portion between the central portion and the respective point of coupling of the nozzle to the headgear, the side portions being more flexible than the central portion.

Provided is a face mask with metal mesh insert (1) that includes a face mask body (2) structured to cover a human mouth and around; a mask cord (3) provided to each of both lateral sides of the face mask body (2); and an antibacterial metal mesh component (4) attachable to the face mask body. The face mask body (2) has a pocket (5) into which the metal mesh component (4) is enclosed. The pocket (5) has a side-opened opening (5b), through which the metal mesh component (4) can be inserted or taken out. The side-opened opening (5b) is likely to close when the face mask with metal mesh insert (1) is worn by a human.

A facial covering assembly comprises an inner frame comprising at least one aperture to allow air flow through the inner frame and an outer frame configured to couple to the inner frame. The outer frame comprises at least one aperture to allow air flow through the outer frame. The facial covering assembly further comprises a cushioning element configured to couple to the inner frame, the cushioning element configured to establish a seal around at least a portion of a user's face.

To provide a mask which is excellent in adhesion stability and re-adhesion of an adhesive layer on cheeks and in which occurrence of pain upon removal and stickiness after removal is suppressed.SOLUTION: A mask includes: a mask base fabric; and an adhesive layer provided on an inner surface of the base fabric. The adhesive layer includes an adhesive base, (A) terpene-based resin, (B) hydrogenation rosin glycerol ester, and (C) liquid paraffin. A content of the (A) terpene-based resin is in a range of 6 to 18 mass% with respect to the entire adhesive layer. A mass ratio of a content of the (B) hydrogenation rosin glycerol ester to the content of the (A) terpene-based resin is in a range of B / A=0.6 to 3.0. The total content of the (A) terpene-based resin and the (B) hydrogenation rosin glycerol ester is in a range of 20 to 35 mass% with respect to the entire adhesive layer. A mass ratio of a content of the (C) liquid paraffin to the total content of the (A) terpene-based resin and the (B) hydrogenation rosin glycerol ester is within a range of C / (A+B)=1.0 to 3.0.SELECTED DRAWING: None