673results about "Respiratory apparatus" patented technology

The invention discloses a clean storage system for a household breathing machine. The machine body is provided with a breathing machine placing area, a storage device, an air purification system and a display control component, an air outlet is at least formed in the breathing machine placing area or the part, close to the breathing machine placing area, of the machine body, the storage device is provided with a storage chamber, an exhaust port and a storage port capable of being opened and closed, and the storage chamber is communicated with an air supply device. The air purification system is provided with a fan, an air purification device, an air outlet and an air inlet, an airflow channel in the machine body in the air outlet direction of the air purification device is a clean air area, the air outlet communicates with the airflow channel, the breathing machine containing area forms the clean air area, and the air supply device sucks clean air. The household breathing machine platform has a special platform space for placing various types of household breathing machines, has an air source filtering and purifying function, and has the advantages that accessories / parts of the household breathing machines can be cleanly stored, indoor environment air can be purified, and the like.

The invention discloses personal life support equipment in a high-altitude environment and a cooperative control method thereof, and relates to the technical field of personal life support equipment, and the equipment comprises a respiration sensor which is arranged on a mask and is used for detecting respiration frequency and phase; the blood oxygen and heart rate sensor is worn on the wrist of the user and used for detecting the blood oxygen saturation degree and the heart rate; the body temperature sensor is attached to the chest of the user and used for detecting the core body temperature; the automatic oxygen supply device is used for providing oxygen; the intelligent heating device comprises partition heating pieces attached to the chest and the four limbs of the user and is used for partition heating; the microcontroller unit is used for formulating an optimal life support strategy according to the sensor data and intelligently and cooperatively controlling the working states of the automatic oxygen supply device and the automatic heating device according to the optimal life support strategy; the sensor data comprises respiratory frequency and phase, oxyhemoglobin saturation, heart rate and core body temperature, and dynamic oxygen supply and body temperature adjustment can be cooperatively controlled.

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 safety helmet for a firefighter includes an outer shield having a neck opening and a front opening, a hinge located on an upper region of the front opening of the outer shield, a fire-retardant foam liner, a face shield including a sensor carrier attached to the hinge, a particulate air filter, a light emitting diode (LED) light strip, a mask mechanism configured to attach to the tapered nose opening of the transparent screen and the particulate air filter, a heads-up display (HUD) connected to an upper region of a proximal edge of the mask mechanism which faces the tapered nose opening, an oxygen port connected to the mask mechanism, a mask body connected to a distal edge of the mask mechanism, a speaker and microphone unit attached to the mask body, and a regulator nose cone.

Introduced here is a face mask system having a mask enclosure that contains, or otherwise directly supports, an automated liquid-droplet dispensing mechanism (ADM) for humidification. In operation, the enclosure and ADM are compact and lightweight so that when worn by a user can be supported entirely by the user's head and neck. The enclosure can be comprised of one or more layers of breathable fabric adapted to flexibly conform to the face of a user when worn and form a cavity that is adjacent to the user's nostrils and mouth. The ADM can be comprised of a reservoir in which liquid is stored, a respiratory cycle detector, a timer and controller, and a droplet dispenser that controllably dispenses droplets of the liquid from the reservoir into the cavity for inhalation by the user.

Disclosed are methods and a safety system implemented within a structure of automatic modification of a rate of filling an air bottle with breathable air in the safety system. In accordance therewith, an air fill charge rate controller device is coupled to the breathable air from a source thereof in the safety system having a fixed piping system installed within the structure for supply of the breathable air across the safety system. A flow rate of the breathable air from the source thereof is detected through a flow sensor associated with the air fill charge rate controller device. In accordance with the detection of the flow rate, a control unit of the air fill charge rate controller device automatically modifies a fill rate at which the air bottle is to be filled with the breathable air.

A respiratory mask system includes a mask interface and a headgear assembly. The headgear assembly is adjustable and comprised of an elastic portion, a non-elastic portion and a restriction mechanism configured to provide a force resisting movement of the non-elastic portion when the elastic portion is extended. There is a support beam coupled to the non-elastic portion and extending along a portion of the headgear that is curved along its longitudinal extent. In this way particular seal modules can be comfortably fitted to a user and any blow off force is mitigated. A particular example of the respiratory mask system includes provision for removable attachment between the seal and a mask frame, the mask frame and a yoke of the headgear; and between a conduit and the mask frame.

The utility model belongs to the technical field of emergency rescue, and particularly relates to an air respirator mask and a system. The air respirator mask comprises a mask body and a transparent face mirror, a mouth and nose mask is arranged in an inner cavity of the mask body, an air circulation area is formed between the outer portion of the mouth and nose mask and the inner side of the face mirror, two air suction valve plates are symmetrically arranged on the mouth and nose mask, and a double-mouth breathing seat is arranged on the face mirror. The double-port breathing seat is provided with an inspiration valve connector and an exhalation valve connector, the inspiration valve connector is used for being connected with an air respirator air bottle and an air supply valve of the air respirator air bottle, and the inspiration valve connector is used for being connected with an exhalation valve seat which can be freely inserted and detached. By designing the double-port breathing seat and the exhalation valve seat capable of being freely inserted and detached, when gas in air exhalation is completely consumed, on the premise that an air respirator mask and an air supply valve of the air respirator mask are not detached, the exhalation valve seat is pulled out, and a chemical oxygen respirator is inserted into an exhalation valve interface, so that closed-loop type oxygen support can be provided for a wearer; and the respiratory protection time of rescuers is prolonged.

This invention provides face masks, including filter masks, and methods for manufacturing them. [Solution] A face mask comprising a mask body 143 defining a cavity for accommodating the wearer's nose and mouth, and a sealing member 144 hanging down from the mask body to engage with the wearer's face, wherein the mask body includes a filter 141 and a gas inlet 142, the filter being located in a first area of ​​the mask body and the gas inlet being located in a second area of ​​the mask body, a nose portion for accommodating the wearer's nose, a mouth portion for accommodating the wearer's mouth, and a cheek portion extending laterally across the wearer's cheek.

A mask assembly includes a mask interface and a headgear assembly. The mask interface includes a housing and a seal that seals around a user's nose and / or mouth in use. The headgear assembly secures the mask interface to the user's face in use. The headgear assembly can include a top strap, a rear section, and side arms. The top strap can be manually adjustable. The rear section can be temporarily expanded to allow for donning and / or doffing of the mask assembly. The side arms can be automatically adjustable.

A protective mask suited for quick regulatory approval and mass production to provide protective use of a wearer includes a mask body having a major portion forming at least one breathing opening configured for holding a filter. The mask body forms a cover contoured to cover, except for the at least one breathing opening, the wearer's mouth and nose when the mask is worn. The mask body further has a flange, wherein a length of the flange extends along a major portion of an edge of the mask body major portion, the flange being configured for pressing against the wearer's face when the mask is worn. The mask body is a material selected from the group consisting of polyethylene terephthalate, polyethylene terephthalate glycol, and poly methyl methacrylate, and combinations thereof.

The invention relates to a device for safely actuating a gaseous oxygen supply container in an aircraft for dispensing oxygen to a user, the container (1) being intended to store pressurized oxygen at a first oxygen pressure and having an opening (2) sealed by a seal (9). The apparatus comprises: a manifold (4) connected in fluid communication with the seal (9) and configured to receive a flow of oxygen from the opening (2) when the seal (9) is pierced, the manifold (4) comprising an oxygen flow circuit (11), an oxygen flow circuit connected in fluid communication with the seal (10) and having an outlet (14) at a second oxygen pressure lower than the first pressure and a pressure reducer (13) having means (12, 15, 16) for regulating the oxygen pressure between the opening (2) and the outlet (14) during flow; and an actuator (7) located in the opening (2), the actuator being configured to pierce the seal (9) when triggered to allow oxygen to flow from the container (1) through the opening (2) to the outlet (14), the oxygen flow circuit (11) comprising a calibration aperture (17) provided at the outlet (14), the calibration aperture is configured to prevent any accumulation of oxygen at a third pressure between the first pressure and the second pressure without triggering the actuator (7) in the event that oxygen flows to the outlet (14).

The application provides a kind of air supply device and control method for biological protection equipment, it is related to biological protection equipment technical field, air supply device includes filter module, refrigeration module, power module, shell module, air supply and connection module, back module and control module, filter module is set at the bottom end of shell module, refrigeration module is divided into first-stage refrigeration and second-stage refrigeration, and is respectively set at the end face of shell module and filter module, most parts of power module and air supply and connection module are set in shell module, back module is set at the back of shell module, control module further includes controller, control panel and sensor, and controller is set at one end of back module.The application realizes air supply dehumidification, air filtration and temperature reduction and pressure stabilization in biological protection equipment through air supply device, and further improves comfort under the premise of ensuring the safety of wearer.

The invention discloses a dustproof and anti-poison series labor protection appliance, and particularly relates to a valve cavity isolation anti-return exhaust valve structure. The mask comprises a mask shell, a double-valve-box assembly, an inter-valve isolation cavity, a valve plate positioning nail, an outer valve plate, an outer sealing opening, an inner sealing opening, an inner valve plate, a filter box clamping position and an air filter box. The double-valve-box air exhaust valve is mainly characterized in that a traditional one-way air exhaust valve is replaced with a double-valve-box assembly, an inter-valve isolation cavity is formed between an outer valve plate and an inner valve plate, and dust is blocked through the Venturi effect and the trapping effect of a low-pressure vortex area; even if dust is clamped between the outer valve plate and the outer sealing opening, the dust can be removed during next expiration, and it is guaranteed that no dust is accumulated on the edge of the inner valve plate. The problems that an existing dustproof mask, an existing gas mask and an existing mask with a valve are not tightly closed, exhaust is not smooth, and closing of a valve plate is delayed due to the fact that dust is stuck to a sealing opening are solved, and the protection performance and the wearing comfort are improved.

Disclosed are methods and a safety system of a structure for an air / environmental parameter based automatic closing of a valve to isolate breathable air supplied to a level of the structure having the breathable air supplied thereto from a source. In accordance therewith, a parameter of an environment of the level of the structure and / or the breathable air supplied thereto is sensed using a sensor associated with one or more component(s) of the safety system. In response to the sensing, the one or more component(s) automatically closes the valve associated with control of the supply of the breathable air to the level to isolate the breathable air supplied to the level.

The utility model discloses a harmful gas automatic monitoring alarm type compressed oxygen self-rescuer which comprises a compressed oxygen self-rescuer body and a belt, a fixing plate is fixed on the outer wall of one side of the compressed oxygen self-rescuer body, a group of magnet blocks are fixed on the outer wall of the bottom of the fixing plate, a connecting frame is fixed on the outer wall of the belt, and a belt buckle is arranged at one end of the belt. A set of metal lantern rings are fixed to the outer walls of the tops of the belt buckle and the connecting frame respectively, the magnet blocks are inserted into the inner walls of the metal lantern rings, a control box is fixed to the outer wall of the bottom of the compressed oxygen self-rescuer body, and a single-chip microcomputer, a temperature sensor, a miniature methane sensor and a carbon monoxide sensor are arranged on the inner wall of the control box. According to the compressed oxygen self-rescuer, the whole compressed oxygen self-rescuer body can be tightly attached to the inclined side of the buttocks of a worker, the compressed oxygen self-rescuer is prevented from swinging back and forth when the worker works while the front work of the worker is not affected, and the worker can conveniently carry the compressed oxygen self-rescuer.

One or more of screening, diagnosing, monitoring, treating, preventing and ameliorating a respiratory-related disease.SOLUTION: The patient interface includes a plenum chamber; a seal-forming structure; a positioning and stabilising structure; a plenum chamber insert configured to be positioned and retained within the plenum chamber; and a venting structure. The plenum chamber insert has a plenum chamber insert port; the plenum chamber insert has an outer surface configured to be positioned adjacent to an inner surface of the plenum chamber; and when the plenum chamber insert is positioned and retained within the plenum chamber, the inner surface of the plenum chamber and the outer surface of the plenum chamber insert form a radial channel through which gas can pass between a patient proximal side of the plenum chamber insert and a patient distal side of the plenum chamber insert in use.SELECTED DRAWING: Figure 22

The invention relates to the technical field of emergency rescue equipment, in particular to a compressed oxygen self-rescuer with a hand-free wearing function, which comprises a protective shell, an oxygen bottle, a switch hand wheel, an air storage bag, an extension soft bag, an air distribution layer, an absorption tank, an exhalation pipe and a split plate, by prolonging the closed space jointly formed by the soft bag and the air storage bag, it is ensured that the finally formed closed space can still be rapidly filled with oxygen-enriched air output by the low-pressure air supply end of the oxygen bottle, the situation that the inflation time is prolonged due to the too large volume can be avoided, and the situation that breathing resistance is increased due to the too small volume can also be prevented; according to the utility model, the soft material is prevented from collapsing and twisting due to insufficient inflation, the airflow channel is ensured to be always unblocked, and a user can feel obvious airflow support when inhaling the first breath, so that the panic emotion is effectively relieved.

The present invention relates to a portable fill-type air respirator equipped with a combination fill and multi-stage decompression structure, the emergency air respirator providing air containing oxygen to a patient in case of a fire evacuation or emergency. Specifically, without a separate decompression structure, air is rapidly supplied using a built-in decompression valve, compressed air is refilled through a filling port, and high-pressure compressed air is decompressed in multiple stages so that, at the point of discharge, as decompression has taken place multiple times in a decompression section as well as in a discharge channel, the air is discharged in a state that is comfortable for a user to breathe in. Therefore, the present invention ensures reduction in size and portability by filling a high-pressure container with high-pressure air, and supplies high-pressure air to a user at a stable pressure via multi-stage decompression.

The utility model discloses folding particulate matter filter cotton for a respirator, which comprises a first filter layer, a middle filter layer and a second filter layer, the peripheral sealing edges of the first filter layer, the middle filter layer and the second filter layer are fixed together, the middle filter layer is arranged in a cavity between the first filter layer and the second filter layer, and the second filter layer is arranged in a cavity between the first filter layer and the second filter layer. The middle filter layer comprises a plurality of layers of melt-blown cloth, each layer of melt-blown cloth is of a folded wavy structure formed by multiple times of bending, the folding directions of all the layers of melt-blown cloth are the same, and folds are stacked together in a matched mode; the filter cotton is mounted on the respirator, the respirator comprises a mask body, an activated carbon filter box and an outer cover, a mounting hole is formed in the side of the mask body, a connector and a mounting groove are formed in the two sides of the activated carbon filter box respectively, ventilation mesh holes are formed in the mounting groove, the filter cotton is placed in the ventilation mesh holes, and the outer cover covers the mounting groove and is provided with ventilation holes. The air filter is light, thin and breathable, particulate pollutants in air can be effectively blocked by the multiple filter layers, and a good filter effect is provided.

The utility model provides a circulating air supply type breathing device which comprises a main body of a closed structure, and the main body comprises an inspiration chamber, a carbon dioxide adsorber and an expiration chamber which are sequentially communicated with one another; an inspiration air bag capable of stretching out and drawing back in the axial direction of the inspiration cavity is arranged in the inspiration cavity, and an expiration air bag capable of stretching out and drawing back in the axial direction of the expiration cavity is arranged in the expiration cavity. The breathing mask is respectively communicated with the inspiration air bag and the expiration air bag through an inspiration pipeline and a breathing pipeline; the air supply port is communicated with the air suction air bag; and the one-way valves are arranged in the inspiration pipeline, the expiration pipeline, the bottom of the inspiration air bag, the bottom of the expiration air bag, the expiration cavity, the air supply port and between the carbon dioxide adsorber and the inspiration cavity. The breathing mask is simple in structure, low in cost and capable of recycling exhaled air and improving comfort and safety of operators.

A sub surface terrestrial disaster safety device comprising a housing constructed from impact-resistant materials, a pressurized colored gas cylinder containing a neon-based mixture, an oxygen cylinder, an olfactory signal cylinder, and a micro controller. The micro controller includes sensors to distinguish between normal activities and disaster conditions, initiating a triggering mechanism upon detection. The triggering mechanism activates a permeation system controlling gas flow, creating a distinct surface mark for enhanced visibility to rescuers, while simultaneously providing emergency oxygen to the user. An alternative embodiment includes a communication module emitting a rescue signal with GPS coordinates. The device represents an advancement in safety technology, combining visibility enhancement, oxygen supply, and rescue signaling in a lightweight, durable design for individuals in disaster-prone environments.

The invention discloses a positive pressure type air respirator full face mask with a dual-mode connector, and relates to the field of respiratory protection equipment, the positive pressure type air respirator full face mask comprises a full face mask main body and an air supply connector seat communicated with the full face mask main body, and the full face mask main body is further communicated with a chemical oxygen connector seat; the full face mask body is provided with a connecting mechanism used for being connected with a chemical oxygen self-rescuer, a lever support is fixed in the chemical oxygen connector seat, a sealing assembly used for sealing an expiration opening of the chemical oxygen connector seat is arranged on the lever support, and a stirring mechanism used for driving the sealing assembly to move is arranged in the chemical oxygen connector seat. The double-mode connector function is achieved, the double-mode connector can be conveniently connected with and detached from the chemical oxygen self-rescuer, the technical effect that the expiration opening is effectively sealed and opened is guaranteed, and the reliability and practicability of respiratory protection are improved.

A gas purification device for nasal applications is provided for purifying and / or reducing undesirable substances in air and / or gases to be entered into the nasal cavity. The gas purification device for nasal application can comprise a gas purification device, a shell part, a power supply part, a fan part, a filtering part, a cover body, a sterilization irradiation part, an aroma part, a nasal plug part, a monitoring part and a medicine part.

A frame insert is disclosed for use in support of a conventional protective face mask covering forming a conventional single chamber over the nose and mouth of the wearer wherein the frame insert is specially formed and configured to engage the surface coverings of the single chamber mask in a releasable attachment and provide separate isolated chambers about the nose and mouth regions with distinct air flow passages for healthier breathing by the wearer. In one aspect of the invention, the frame insert is integrally formed in a triangular shape comprising a first edge, a second edge and a curved base strut therebetween along the perimeter, the first edge and the second edge converging to meet at a vertex forwardmost on the frame insert and the base strut extending in a arcuate configuration between separate ends of the first edge and second edge rearward on the frame insert. In another aspect of the invention, the frame insert is integrally formed in a trapezoidal shape with the first edge and the second edge being joined with an intermediate edge forwardmost on the perimeter of the frame insert. Interstitial slots formed along the perimeter lengths of the first and second edge provide sliding engagement of the frame insert with the surface coverings of the mask allowing proper positioning of the frame insert within the mask with reduced leakage gaps therebetween.

The invention discloses a valve micro lip-attaching dead-cavity-free in-mask waste gas replacement structure which comprises mask belts, an air filtering mask, an exhaust valve base, an exhaust one-way sealing opening, a one-way exhaust valve plate, a telescopic adjusting pipe, a left nose exhaust pipe, a right nose exhaust pipe and the like. By adjusting the position of the exhaust unit, the exhaust one-way sealing opening is slightly attached to the lip, the nose exhaust pipe is slightly attached to the nostril, the valve plate is directly opened by means of flowing energy of exhaled air, peripheral retention air is injected by means of the Venturi effect, exhaled waste gas is completely exhausted in real time, dead space is thoroughly eliminated, and the problems of oxygen deficit, stuffiness, fogging, stinking and high breathing resistance are solved.

A system for sterilization of a medical device comprising at least one medical device and at least one sterilization device. The sterilization device comprises at least one plasma generator and at least one water source and / or water vapor source for providing water and / or water vapor. The sterilization device is configured to generate plasma-activated water vapor and the system is configured to at least partially conduct the plasma-activated water vapor through the medical device.

A compact, mask-mountable powered air purifying respirator ("PAPR") includes a housing and an impeller driven by a motor to draw air in through an inlet in the housing and direct the air to an outlet at an opposite end of the housing. The impeller comprises S-shaped fan blades that direct the air radially outward from the bottom of the impeller. The radial airflow meets S-shaped fins on a flow straightener that redirect the airflow downward through the PAPR housing outlet. The fan blades and flow straightener drive the airflow directly and efficiently, without unnecessary travel of air through the PAPR assembly, thus providing an improved airflow efficiency.

Disclosed are a method and systems of remote monitoring of a sensor integrated safety system of a structure through a mobile data processing device. In accordance therewith, the mobile data processing device executes a component of a computing platform for the sensor integration therethrough. The mobile data processing device executing the component of the computing platform monitors the safety system and / or one or more components of a number of components thereof remotely based on collecting a number of parameters of the number of components of the safety system and / or of access thereof through detection of the number of parameters via a set of sensors associated with the number of components of the safety system. The number of parameters includes one or more parameter(s) related to breathable air from a source within the safety system supplied thereacross via a fixed piping system implemented therein and / or access of the breathable air.