102 results about "Respiratory chamber" patented technology

The invention discloses a rubber forest soil respiration measuring method, comprising the following steps: selecting sample plots with different ages in a rubber forest; arranging a repeat sample plot on each sample plot; arranging four treatment regions on each repeat sample plot, wherein the four treatment regions comprise a treatment region for removing non-root system soil rings and reserving a litter layer, a treatment region for removing root system soil rings and reserving a litter layer, a treatment region for removing non-root system soil rings and removing a litter layer and a treatment region for removing non-system soil rings and removing a litter layer; and measuring each parameter of the soil respiration of the treatment regions in real time by utilizing a soil respiratory chamber measuring system equipped for a soil respiration measuring instrument, and simultaneously measuring environmental factors. By treating the measured sample plots region by region, the method of the invention measures the fixed point in situ at the condition of not damaging the original soil and biology, effectively separates each component value of the components of the soil respiration, is beneficial for improving the measuring accuracy, and breaks away from the restriction caused by scientific research conditions; and the obtained measuring value can satisfy the requirements of the scientific research.

A breathing mask assembly for delivering breathable gas to a patient includes a frame having a front surface and a rear surface adapted to face the patient. The bracket includes a body provided with a through hole for introducing breathable gas into a nasal breathing cavity. An elbow assembly is rotatably connected to the front surface of the bracket. The elbow assembly includes a swivel elbow forming an intake passage and an exhaust passage separated from the intake passage by a baffle. The elbow assembly includes an end portion that interfaces with the bore of the bracket.

The invention provides a nasal mask device. The nasal mask device comprises nostril pipes, breathing cavities and an exhaust portion and involves a filter wearing method. The breathing cavities are communicated with the nostril pipes respectively. A one-way air inlet valve is arranged at the air inlet of each breathing cavity. A one-way exhaust valve is arranged at the air outlet of the exhaust portion. The nasal mask device further comprises nostril rubber sleeves and an adjustment portion arranged between the two breathing cavities. The nostril rubber sleeves are arranged at the ends of the nostril pipes. The adjustment portion is inserted into the breathing cavities in a penetrating mode and connected with the breathing cavities in an airtight mode through soft sealing rings. The nasal mask device is attractive in appearance and not prone to falling when worn, the nose distance can be freely adjusted according to the sizes of noses of people, and people can be prevented from injuries caused when people fall and the nostril pipes go deep into nostrils.

A demand regulator (1) for aircraft breathing device (100) comprising: —a respiratory chamber (9) supplied with respiratory gas comprising breathable gas and dilution gas, —a breathable gas supply line (12, 13), —a dilution gas supply line (14, 15), —a first adjusting device (50, 60) of non-electrical type adjusting the pressure in the respiratory chamber (9), and —a second adjusting device (22, 24, 40, 41-49) adjusting the rate of dilution gas in the respiratory gas supplied to the respiratory chamber (9), the second adjusting device comprising a dilution valve (24) disposed in the dilution gas supply line (14, 15), a sensor (41-49) and an electrical control unit (40) adjusting the rate of dilution gas in the respiratory gas by controlling the dilution valve (24).

A patient interface of a respiratory therapy system is provided, and comprises: a. a mask body; b. 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 c. 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.

The invention discloses a functional anti-haze mask for civil use. The anti-haze mask comprises a mask main body which can cover a mouth, a nose and a lower jaw, and a pair of ear-hung parts which are connected to two ends of the mask main body and are hung and hooked on ears, wherein in a direction from the bridge of the nose to the lower jaw, the mask main body is divided into a nasal cavity coverage region which is provided with a nose bridge soft bar, a respiratory cavity region and a lower jaw coverage region; a storage part, which is used for storing a filter sheet, is arranged in a respiratory cavity, and composite adsorbent material layers, which have an adsorbent effect on formaldehyde, benzene, TVOC (total volatile organic compound) and particulate matters in haze and have an inhibitory effect on bacteria and viruses in the haze, are included in the filter sheet; when the mask is symmetrically folded, the nose bridge soft bar in the nasal cavity coverage region forms an angle of 80-95 degrees with the center line of the mask main body; the center line of the respiratory cavity region is an arc that a radian is 0.25-0.4 [pi]; and the center line of the lower jaw coverage region forms an angle of 90 degrees with the edge of the mask main body in the region. The mask main body, with the unique design, has an anti-haze function, and meanwhile, the mask main body can get into full contact with the face of a wearer, so that the mask is good in sealing effect and high in comfort, and moreover, the mask is good in filtering effect and air permeability.

The invention belongs to the technical field of medical appliances, and discloses a transparent respiratory protective device. The transparent respiratory protective device comprises a fixing strap, and a protective mask and a protective eye mask which are connected with each other; the protective mask comprises a transparent snout panel and a first sealing ring; the first sealing ring and the transparent snout panel form a closed respiratory chamber together; the protective eye mask comprises a transparent eye panel and a second sealing ring; and the second sealing ring and the eye panel forma closed eyeglass chamber together. The transparent respiratory protective device disclosed by the invention has the advantages of simple structure, uneasiness in fogging, better virus blocking effect, facilitating communication with external and the like. Protective clothing with the transparent respiratory protective device disclosed by the invention has the advantages of good protecting effect, more convenience and smoothness in communication with the external and the like, is higher in cost performance, can be widely applied to routine prevention and control work of medical personnel, quarantine personnel or disinfection workers in respiratory infectious diseases, and has a very wide market application prospect.

The invention discloses a respiratory training device for a cardiology department and a training method. An existing respiratory training device generally uses three respiratory chambers to judge a respiratory training standard, and the three respiratory chambers are further provided with respiratory balls which can move up and down. The respiratory training standard is determined by the rising range of the respiratory balls when a patient blows air. The problems that because gaps exist between the respiratory balls and the inner walls of the respiratory chambers, nonstandard training is caused due to the fact that gases leak from the gaps in the process of air blowing, and the existing respiratory training device cannot provide the judging the respiratory training standard for medical staffs according to people with different physical qualities are solved. The respiratory training device includes a machine box and a first respiratory chamber, a second respiratory chamber and a third respiratory chamber which are arranged in the machine box. A bottom base is arranged at the bottom of the machine box, and a side chamber and an air intake chamber are further arranged in the machine box. The air intake chamber is located between the side chamber and the first respiratory chamber, and an extrusion plate connected with a spring is installed in the side chamber.

The present disclosure refers to a ventilation device for a battery, particularly to a multifunctional breathing and venting device for a casing of one of a battery submodule, battery module or battery system, such as for an electric vehicle and an energy storage system (ESS). The ventilation device comprising a housing configured for being attached to a vent opening of a battery casing in a sealing manner and comprising at least one lateral wall, a breathable filter separating an interior of the battery casing from a breathing chamber within the housing, a venting membrane separating the breathing chamber from an exterior environment in a gas tight manner, and a breathing sprout fluidly connecting the breathing chamber and the environment and bypassing the venting membrane. The disclosure further relates to a battery comprising such a ventilation device attached to its casing.

The invention belongs to the technical field of medical appliances, and discloses an auxiliary breathing machine. The auxiliary breathing machine comprises a pressure-bearing shell and a cavity pressure adjusting system, wherein the pressure-bearing shell is arranged at least at the chest part of a human body; a sealing assembly is arranged between the pressure-bearing shell and the human body; aclosed outer breathing chamber is formed between the pressure-bearing shell and the human body through the sealing assembly; the cavity pressure adjusting system comprises a pressure generator; the pressure generator communicates with the outer breathing chamber; and the cavity pressure adjusting system operates to generate periodically-changed positive pressure and negative pressure, or periodically-changed positive pressure and normal pressure, or periodically-changed negative pressure and normal pressure. The auxiliary respirator disclosed by the invention has the advantages of small pain of patients, safety, reliability, convenience for being used together with other rescue equipment and the like, can be widely applied to emergency rescue or daily nursing of patients with weakened or disappeared spontaneous breathing. The auxiliary breathing machine has a simple application method, is easy to operate and has a wide market application prospect.

The invention discloses a face shield structure for a filter-type respirator and an application method of the face shield structure. The face shield structure comprises a face shield body, a first breathing tube, a second breathing tube, an inhaling battery structure, a semiconductor cooling or heating plate, an exhaling battery structure, an air inlet and a cold or heat conduction layer, whereinthe first breathing tube and the second breathing tube are formed at the front end of the face shield body; the inhaling battery structure and the semiconductor cooling or heating plate are integratedin the first breathing tube; the exhaling battery structure is arranged in the second breathing tube; the air inlet is formed in the side face of the first breathing tube; and the cold or heat conduction layer is integrated in a breathing cavity of the face shield body. Through the face shield structure, air entering the face shield body can be cooled or heated during inhaling of a user, the temperature at the breathing cavity in the face shield body is effectively lowered or raised through the semiconductor cooling or heating plate, the comfort of the user can be improved in an environment with high temperature or low temperature, and meanwhile bacteria and viruses are killed through batteries and electric fields.

The invention relates to a protective mask which comprises a mask body, a breather valve and a fixing band, and the fixing band and the breather valve are both arranged on the mask body. The breathervalve comprises a valve seat, a valve element and a valve deck, a breathing cavity is formed between the valve deck and the valve seat, a first vent hole and a second vent hole are formed in the valvedeck and the valve seat respectively, the valve element comprises a valve element body and a limiting boss, the valve element body is of a foldable and telescopic tubular structure, the two ends of the valve element body are connected with the valve seat and the limiting boss correspondingly, the limiting boss can be arranged in the first vent hole in a sliding mode, a sealing ring is arranged between the valve element body and the limiting boss, the breather valve is in an inspiration state, the sealing ring seals the first vent hole, the breather valve is in an expiration state, the valve element body is compressed into the breathing cavity, and the first vent hole, the breathing cavity and the second vent hole are communicated. The technical problems that the protective mask is poor inprotective effect and large in respiratory resistance, a valve plate is prone to damage, bacteria are prone to breeding after the mask is worn for a long time, and the disposable filter element is high in cost are solved.

The invention relates to a device for online monitoring the CO2 excretion rate of aquatic organisms in real time and a water environment monitoring method. The device comprises a respiratory chamber,a three-way valve, a fluid-flow pump, a digital controller, an environment signal detecting device, a CO2 concentration detecting device, a data collector, and a computer. In order to improve the precision of measurement, a gas-liquid separator, a silica gel drying tube, and a polytetrafluoroethylene filter are arranged, the gas in water is separated and dried before the CO2 concentration measurement, and the provided device can realize real-time online long-term monitoring. At the same time, the invention provides a method of using the provided device to monitor water environment. The indexessuch as CO2 concentration, atmospheric pressure, temperature, salinity, and the like, are collected, the detected data is processed to obtain the CO2 excretion rate of aquatic organisms, and the water environment is monitored.

The invention relates to a protective mask with a detachable filter tip. The mask comprises a mask body, ear bands are symmetrically arranged at the two ends of the mask body. A breathing layer is arranged in the middle of the mask body; the outer surface of the mask body is covered with a breathing layer and provided with a filter tip device, the inner surface, corresponding to the filter tip device, of the mask body is provided with an annularly-sealed breathing cavity in a protruding mode, the filter tip device comprises a filter tip fixing frame and a filter tip groove cover, and a plurality of mask filter elements are arranged in the filter tip groove cover and surround the breathing layer to be integrally formed with the mask body. The replaceable mask filter element is only arrangedin the middle of the mask body and is formed by combining and processing one or more of the activated carbon fiber layer, the cotton bamboo fiber layer, the polymer fiber layer, the acupuncture cotton layer, the melt-blown fabric layer and the non-woven fabric layer, the mask filter element can be replaced according to different occasions, and the application range is wide; the protruding breathing cavity is formed in the inner surface of the mask body and can be tightly attached to the face, and the situations of local air leakage and poor filtering effect caused by insufficient sealing performance of a traditional mask are avoided.

The invention discloses a system and method utilizing the metabolism of aquatic organisms to realize online environmental monitoring. The system comprises a respiratory chamber arranged in a water tank, the respiratory chamber is connected to a fluid flow pump through a pipeline, the fluid flow pump is connected to the water tank through a three-way valve, a certain amount of water to be detected is injected into the water tank, aquatic organisms are placed in the respiratory chamber full of water to be detected, the fluid flow pump provides power for the flowing of water; the pipeline between the three-way valve and the fluid flow pump is provided with a dissolved oxygen detection device and a carbon dioxide detection device, a biological signal collecting device, which is used to detect the parameters of metabolism of aquatic organisms, is arranged in the water tank; the method utilizes a online monitoring technology, multiple sensors are used to carry out monitoring at the same time, different parameters of metabolism are collected, the change of water environment can be represented by the change of each parameter, and thus water environment can be monitored online.

The invention belongs to the field of medical equipment, and provides vital capacity training equipment for respiratory medicine nursing, a patient exhales gas into a breathing cavity body through a breathing mask, and the gas enables a first breathing block to overcome the gravity of the first breathing block so as to vertically move upwards; the first breathing block moves upwards to drive a first rack to vertically move upwards so as to drive a first gear to rotate, the first gear rotates so as to drive an angle sensor, the angle sensor controls a scribing motor to rotate, the scribing motor rotates to drive a first rotating shaft to rotate, the first rotating shaft drives canvas to move, and meanwhile the breathing block moves to drive a paintbrush to move. Therefore, the paintbrush draws the ascending track of the first breathing block on the canvas each time, and a data basis is provided for subsequent training; the invention provides vital capacity training equipment for respiratory medicine nursing, and the vital capacity training equipment is used for providing data support for subsequent training plans.

The invention relates to the technical field of oxygen masks, and discloses an oxygen mask body and an oxygen mask. In the oxygen mask body, the air outlet end of an oxygen guide cylinder is connected to a mouth-nose area and communicated with a breathing cavity, and the edge of a cylinder opening of the air outlet end is lower than or flush with the inner surface of a mask wall of the mouth-nose area in the whole circle direction; and the volume of the oxygen guide cylinder is 2000mm < 3 > to 16000mm < 3 >. The oxygen mask body can still ensure effective and stable oxygen uptake concentration when the respiratory rate and the oxygen flow rate of a wearer change, and can also remarkably reduce the airflow oppression of oxygen, so that the oxygen can be uniformly diffused to the mouth, the nose and the surrounding area of the wearer; therefore, the oxygen uptake treatment effect is ensured, and the use comfort of a wearer is improved.

A self-sterilizing, face mask, respirator, open or enclosed face shield employs germicidal, far UV-C light safe for direct human exposure, mitigating risk of acquisition or transmission of respiratory pathogens, such as COVID 19. Device attachments or special lenses direct far UV-C light into the respiratory chamber and / or reservoir areas of infection including nasal, oropharyngeal or ocular areas to reduce or eliminate pathogens, serving also as a treatment modality. In a preferred embodiment the face shield has a removable front section, which can be exchanged or replaced with sections that include various functional attributes while maintaining germicidal protections and avoiding need to remove PPE during these activities including consumption of liquids, oral medications or food, as well as providing antimicrobial absorbent sneeze or cough guard or rhinorrhea secretion absorption, or a communication device to address communication deficiencies caused by respiratory protection barriers.

The invention discloses a mask which comprises a mask body and an air feeder. The mask body is provided with a breathing cavity. The mask body is provided with an air input hole. Air conveying pipes are connected to the position of the air input hole and the position of the air output end of the air feeder. The mask is characterized in that a breathable opening is formed in the mask body, and thebreathable opening is provided with a filtering assembly.

The invention relates to the technical field of respiration protection articles, and discloses a virus killing respiratory system. The virus killing respiratory system comprises a respiration cavity,a heating cavity, a mixing cavity and a refrigerating assembly, wherein the respiration cavity is used for coating the mouth and the nose of a user; a gas inlet passage and a gas outlet passage of therespiration cavity are independently arranged; the heating cavity is used for allowing gas to enter, and heating air to kill viruses; the mixing cavity communicates with the respiration cavity and the heating cavity; one end of the refrigerating assembly extends in the mixing cavity; and gas from the heating cavity enters the mixing cavity, is cooled by the refrigerating assembly, and then entersthe respiration cavity to allow a user to inhale, and exhaled gas passes through the mixing cavity for discharging. Through the adoption of the virus killing respiratory system disclosed by the invention, the situation that the user is subjected to infection of viruses in the air can be avoided, and the inhaling temperature of the user is appropriate; and after the virus killing respiratory system is used, viruses cannot be remained in the virus killing respiratory system, so that the virus killing respiratory system can be recycled, and after the virus killing respiratory system is abandonedand processed, the risk of infecting a processor does not exist.

The invention relates to a brake cylinder. The brake cylinder comprises a cylinder body, a cylinder cover, a power assembly, a front assembly and a connecting pipe, wherein the cylinder body comprisesan air inlet cavity, a transition cavity, a respiratory cavity, an air inlet, a breathing connector and an air outlet; the cylinder body is divided into a brake chamber and a balance chamber by the power assembly; the cylinder cover covers the cylinder body; a breathing port is formed in the cylinder cover; the bottom end of the power assembly is stored in the cylinder body, and the top end protrudes from the cylinder body; the front assembly sleeves the top end of the power assembly; and one end of the connecting pipe is connected with the breathing connector, and the other end is connectedwith the breathing port. When the brake cylinder is braked, compressed gas which is input in a brake pipeline through the air inlet is conveyed to the brake chamber by the air inlet cavity through thetransition cavity, and the brake chamber is expanded, so that gas in the balance chamber is compressed and is discharged into the respiratory cavity through the connecting pipe and is discharged intothe atmosphere through the air outlet; when the brake cylinder is released, the brake chamber and the balance chamber are reset, and residual compressed gas in the transition cavity flows into the balance chamber through the respiratory cavity and the connecting pipe.

The invention relates to an active protection microorganism inactivation mask, which comprises a mask body covering the mouth and the nose of a human body and ear hanging belts arranged on the two sides of the mask body. The mask body comprises a closed breathing cavity used for containing mouth and nose breathing of a user and a black body inactivation cavity formed in the outer side of the closed breathing cavity. The closed breathing cavity is defined by a silica gel sealing ring positioned at the periphery of the closed breathing cavity; a replaceable filter layer is arranged between the closed breathing cavity and the black body inactivation cavity; the black body inactivation cavity is a hollow cavity; the black body inactivation cavity is composed of shading breathable plates located on the inner side and the outer side and a mask shell connected between the shading breathable plates; an ultraviolet generator is arranged in the black body inactivation cavity and used for generating ultraviolet rays; and the black body inactivation cavity is used for inactivating microorganisms contained in circulating air. Compared with the prior art, microorganisms contained in air filteredby the mask can be effectively and actively inactivated, and the mask can be repeatedly used by low-risk infected people such as non-medical staff.

The invention discloses a farm personnel sterilizing device which comprises an ozone generator, a sterilizing cabin and a control device. The inside of the sterilizing cabin is hollow, a door openingis formed in the side wall, a door plate is arranged at the door opening, a separating plate is movably arranged in the sterilizing cabin and divides the inside of the same into a breathing cavity andthe sterilizing cavity, the top of the separating plate is connected with an extensible rod fixedly connected with the top of the sterilizing cabin, a through hole for the head of personnel to penetrate and extend into the breathing cavity is formed in the separating plate, a sealing device for sealing a gap between the neck of the sealing personnel and the inner wall of the through hole is arranged on the side wall of the through hole, a control device is arranged in the sterilizing cavity and electrically connected with the extensible rod and the ozone generator, and the output end of the ozone generator is connected with an air blowing pipe extending into the sterilizing cavity and used for feeding ozone generated by the ozone generator into the sterilizing cavity. The farm personnel sterilizing device is compact and reasonable in structure, small in occupied space, capable of realizing quick sterilizing of personnel going in and out, free of harm to human body and suitable for various farms to use.

The invention relates to rehabilitation nursing auxiliary equipment, in particular to respiratory state switchable lung rehabilitation nursing auxiliary equipment which comprises a respirator body and an air supply pipe arranged on the side wall of one end of the respirator body, the air supply pipe is in pipeline connection with an air delivery pipe used for delivering oxygen, and a breathing cavity is formed in the side wall of the other end of the respirator body. A nasal guide conveying pipe communicated with the breathing cavity is installed on the side wall of the air conveying pipe, the nasal guide conveying pipe is arranged on the air conveying pipe, oxygen is supplied to the breathing cavity through the air conveying pipe, meanwhile, the nasal guide conveying pipe can be inserted into the nasal cavity through a nasal catheter to assist a patient in oxygen uptake, and oxygen uptake is achieved by controlling on-off of the air conveying through hole. Different use modes of the air delivery pipe and the nasal guide delivery pipe are switched, so that a proper breathing state is switched for the patient according to the health state of the patient, and the lung health recovery of the patient is assisted.

The invention discloses a fish mouth type laryngeal mask trachea duct capable of performing rinsing with three cavities. The fish mouth type laryngeal mask trachea duct capable of performing rinsing with three cavities comprises a hood body, wherein a respiration chamber which communicates with a respiratory tract and a digestion chamber which communicates with a digestive tract are arranged in the hood body; the digestion chamber is provided with a digestion opening through which the digestion chamber communicates with the digestive tract; the periphery wall of the digestion chamber is gradually contracted from one end away from the digestion opening to the digestion opening; a plurality of protrusions are arranged at the edges of the digestion opening, and can be mutually closed becauseof surrounding extruding pressure in the process that the fish mouth type laryngeal mask trachea duct capable of performing rinsing with three cavities is inserted into the throat part, so that the digestion opening is contracted. Through the adoption of the technical scheme of the fish mouth type laryngeal mask trachea duct capable of performing rinsing with three cavities disclosed by the invention, an opening corresponding to the digestive tract can be quickly and accurately aligned to the digestive tract to be inserted, and the operation time is shortened.

The invention discloses a mask comprising a cover body and an annular sealing part formed by combining elastic fabric with a waterproof coating. The outer edge of the sealing part is attached to the edge of the mask body in a sealed mode to form a breathing cavity, a supporting framework is arranged in the breathing cavity, and the supporting framework can deform adaptively to be attached to the face under the action of the external force so that the sealing part of the mask can be kept attachment to the face. Compared with the prior art, the mask provided by the invention is suitable for various people to use; the supporting framework can generate adaptive deformation under the action of external force; therefore, the mask body and the sealing part are also adapted to the deformation of the face, so that the effect that the fitting degree of the mask sealing part is automatically adjusted according to the face contour of a wearer is achieved and a problem that leakage occurs when themask body and the face of the wearer are worn due to the size problem is solved; and the mask has the remarkable advantage that masks of the same size can be used by children and adults at the same time.

The present invention provides a pilot type switching valve with position detecting function. A detected part 21 is formed in an end face in a side of a respiratory chamber 9 of a piston 12a, also a recessed part 22 fitting the detected part 21 is formed in a wall surface of the respiratory chamber 9 in a casing 4, and a photo-sensor 25 for projecting / receiving light to the detected part 21 through a through hole 23 is set up in a position facing in the recessed part 22 of the casing 4, to detect an operating position of the piston 12a, that is, an operating position of a spool 6 by reflecting light from the detected part 21.

The invention discloses an intelligent mask which comprising a mask body, a prompting device, an air tightness detection device and a wireless temperature detection device. The prompting device is arranged on the side, away from the mask body, of the air tightness detection device and makes contact with the air tightness detection device and is electrically connected with the air tightness detection device when the air tightness of the mask is poor. The air tightness detection device is arranged on the mask body and is communicated with a breathing cavity in the inner side of the mask body; the wireless temperature detection device is arranged on the inner side of the mask body and can conduct two-way signal transmission with a wireless terminal. The air tightness of the mask can be checked, so that the mask can achieve the optimal protection effect.