46 results about "Breathing bag" patented technology

The invention discloses a gas pressure reducer which comprises a shell and a shell head arranged at the end of the shell, a gas outlet valve is arranged on the shell head, a gas outlet hole is formed in the gas outlet valve, a gas supply hole and a sealing groove communicated with the gas outlet hole are formed in the shell, a cock inserted into the sealing groove in an attached mode is connected to the shell in a threaded mode, and a gas outlet hole is formed in the gas outlet valve. A sealing groove is formed in the outer side of the shell, an air supply hole is formed in the sealing groove, an air supply channel communicated with the sealing groove and the air supply hole is formed in the lower portion of the plug cock, the plug cock is screwed into the air supply channel to block the air supply channel so as to separate the sealing groove from the air supply hole, a rotary knob located on the outer side of the shell is arranged on the plug cock, and an annular groove located between the shell head and the plug cock is further formed in the outer side of the shell. The annular groove is sleeved with a breathing bag. The breathing bag has the beneficial effects that in the using process, the rotary knob is always located on the outer side of the breathing bag, a user can directly observe the state of the rotary knob and operate the rotary knob, and the breathing bag is convenient to use.

The utility model provides an installation device of sterilization breathing bag sealing and cutting equipment. The installation device comprises a main frame, a fixing pipe, a first adapter pipe, a brake pipe, a second adapter pipe and a sealing machine. The main frame is provided with a fixing pipe through the hole, and the fixing pipe is of a telescopic sleeve structure capable of rebounding. The main frame is further provided with a first adapter pipe at the position on the same horizontal line with the fixing pipe, and a second adapter pipe is further installed below the position on the same vertical line with the first adapter pipe. Corresponding sliding grooves are further formed in the side walls of the two sides of the main frame, one end of each sliding groove is located between the fixing pipe and the first adapter pipe, the other end of each sliding groove obliquely extends to the position between the first adapter pipe and the second adapter pipe, and a brake pipe is installed between the sliding grooves in the two sides of the main frame. According to the device, the breathing bag can be conveniently and simply fixed when stretching measurement is needed, meanwhile, the structure is easy to assemble and disassemble, the interior is convenient to clean, and dust and dirt influences are reduced.

The utility model relates to the technical field of breathing support auxiliary instruments, and provides a variable-cavity breathing balloon which comprises a folding balloon, two extrusion plates and a plurality of crease parts, an air cavity is formed in the folding balloon, the volume of the air cavity is changed when the folding balloon is compressed or expanded in the axial direction of the folding balloon, and the folding balloon is sunken inwards in the radial direction of the folding balloon to form the crease parts. The multiple crease parts are arranged at intervals along the axis of the folding balloon, and the two extrusion plates are arranged at the two ends of the folding balloon in the axial direction respectively and are both perpendicular to the axial direction of the folding balloon. When in use, the folding balloon can be compressed oppositely through the two extrusion plates, so that the length of the folding balloon in the axial direction is reduced, through the multiple crease parts, the multiple crease parts can be close to one another when the folding balloon is compressed, the shape after compression is controllable, arrangement is convenient, and due to the fact that creases cannot be generated on the portions except the crease parts, the folding balloon is not prone to falling off. The breathing bag is easy to recover after long-term storage, and the elasticity loss of the breathing bag is small.

The utility model relates to the technical field of medical equipment, and particularly discloses a portable breathing air bag intelligent pressing device which comprises a clamping jaw fixing block. The two oppositely-arranged air bag clamping jaws are rotationally installed on the clamping jaw fixing block and used for being matched with each other to clamp a breathing air bag; the pressing hammer is mounted on the clamping jaw fixing block; the pressure sensor is located at the end face position, close to the breathing air bag, of the pressing hammer and used for detecting the pressure applied to the breathing air bag by the pressing hammer; and the electric driving assembly is mounted in the clamping jaw fixing block, is in transmission connection with the pressing hammer and is used for driving the pressing hammer to slide up and down relative to the clamping jaw fixing block so as to repeatedly press the breathing air bag. According to the portable intelligent pressing device for the breathing air bag, mechanical pressing operation of the breathing air bag can be achieved, and therefore many problems existing in manual pressing are solved.

The utility model provides a kind of sterilization respiratory bag, belong to aseptic pharmaceutical technical field, including first piece and second piece, the bottom end and both sides of first piece and second piece are respectively heat-seal connection to form the bag body with the opening of upper end;First piece includes third piece and fourth piece sequentially heat-seal connection from top to bottom, and the middle heat-seal line is formed between third piece and fourth piece, second piece and third piece are transparent sheet layer, and fourth piece is breathable antibacterial sheet layer;The upper portion of bag body is provided with easy tear opening, and easy tear opening is located between opening and middle heat-seal line.The utility model provides a kind of sterilization respiratory bag, and easy tear opening is arranged between middle heat-seal line and opening, so that tear open operation is located in transparent sheet layer, avoid the risk that fiber debris or plastic microparticle is produced by breathable antibacterial sheet layer tearing, effectively avoid that microorganism pollution aseptic environment is carried by microparticle, and provide safeguard for the operation safety of medical, pharmaceutical and other high cleanliness scene.

The utility model discloses a moving trolley for storing and using breathing bags, and particularly relates to the technical field of roll material storing, taking and transferring, the moving trolley comprises a supporting frame for supporting, a supporting assembly is arranged on the supporting frame, the supporting assembly comprises a vertical frame which is arranged at the top of the supporting frame and used for lifting, and two transverse rods for supporting are arranged on one side of the vertical frame. The supporting assembly is arranged, the limiting shaft rotates along the axis point of the connecting position of the limiting shaft and the transverse rod, a material roll can be easily arranged on the outer side of the limiting shaft in a sleeving mode, then the limiting shaft is limited through the limiting groove, the limiting shaft is convenient to replace and store, the using convenience of the device is improved, and a handle is pushed to move in a guiding mode along a frame opening; and then the slitting knife moves and makes contact with the material roll, so that the function of cutting the material roll is achieved, the cutting effect can be effectively guaranteed, and meanwhile the slitting knife can be freely moved to different positions to be used.

The utility model discloses a breathing monitoring nasal mask which comprises a mask body, a filter layer, a breathing bag and a fixing band. The edge of the mask body is used for being attached to the face skin around the nose of a patient so that the nose of the patient can be covered with the mask body. The mask body is provided with an air exchange port and an oxygen catheter connector. The filter layer is mounted at the scavenging port and is used for filtering inhaled gas and absorbing moisture in exhaled gas while ventilating. The oxygen catheter connector is used for being connected with an oxygen catheter so as to introduce oxygen into the mask body. The breathing bag is provided with a first port and a second port, and the first port is connected with the outer wall of the mask body and is opposite to the ventilation port. The fixing band is connected with the cover body and used for fixing the cover body to the head of a patient. Compared with the prior art, the breathing bag expands and contracts along with breathing of a patient, and therefore the breathing frequency, the breathing amplitude and the change of the breathing frequency and the breathing amplitude of the patient can be visually reflected. The convenience of clinical monitoring is improved, the treatment cost is reduced, and the economic burden of a patient is relieved.

The invention provides a pressure balancing structure for a radiation source oil tank, and relates to the technical field of medical imaging equipment, the pressure balancing structure comprises an oil tank main body and a balancing bag body, at least one radiation generating mechanism is arranged in the oil tank main body, the oil tank main body is filled with an insulating medium, and the balancing bag body is arranged in the oil tank main body and is communicated with an inner cavity of the oil tank main body; wherein the balance capsule body is deformed in response to the volume change of the insulating medium caused by the temperature change, so as to maintain the pressure balance inside and outside the oil tank main body. By arranging the breathing bag in the oil tank, the volume expansion and shrinkage of the insulating oil caused by temperature change can be automatically responded, so that the internal pressure of the oil tank is always kept in dynamic balance with the external atmospheric pressure, and the problem of pressure fluctuation caused by thermal expansion and cold contraction of the oil in the oil tank is avoided.

The inventions are intended for stopping or slowing the progression of the acute phase of ischemic stroke, coronary failure and respiratory failure, and for saving injured and wounded persons suffering from heavy blood loss. A medicinal agent according to a first embodiment contains from 40 to 50 vol % helium, from 25 to 35 vol % argon, from 0.2 to 5 vol % xenon, from 2 to 10 vol % krypton, and not less than 21 vol % oxygen, to a total of 100 vol %, and the temperature of the gas mixture is 30-70° C. A medicinal agent according to a second embodiment contains from 21 to 60 vol % oxygen, from 0.2 to 35 vol % xenon, from 0.2 to 35 vol % krypton, or from 21 to 60 vol % oxygen, xenon in a concentration range of from 0.2 to 35 vol %, from 0.2 to 35 vol % krypton, and the remainder argon in an amount of not less 25 vol %, and the temperature of the gas is 15-70° C. The claimed device is characterized by a mask 1 connected to a breathing bag 7 and to a canister 12 containing an argon-xenon-krypton gas mixture, with a three-way valve for alternately supplying gases to the breathing bag 7, the device being further equipped with a canister 9 containing a helium-oxygen-argon-xenon-krypton gas mixture and having a valve mounted thereon with a manometer that is connected to the mask to permit a supply of the gas mixture directly into the mask 1, and a chemical or electric heater 11 with a connecting heat exchange line.

The utility model discloses a respirator convenient to press, and mainly relates to the technical field of respirators. Comprising an air bag body, a communicating pipe fixedly communicates with the upper end of the air bag body, a respirator is installed on one side of the communicating pipe, an adjusting device is arranged on the arc surface of the air bag body and comprises a fixing frame, and the inner wall of the fixing frame is fixedly connected with one end of the arc surface of the air bag body; fixing frames are fixedly connected to the two sides of the fixing frame, and sliding columns are fixedly connected to the positions, corresponding to the fixing frames, of the surface of the fixing frame. The simple respirator has the advantages that the problems that in the operation and use process of the simple respirator, the breathing bag needs to be squeezed, oxygen can be conveyed into the body of a person through the respirator, and at the moment, due to the fact that the sizes of palms of medical staff are different, the palms are not matched with the surface size of the breathing bag easily, and the oxygen cannot be conveyed into the body of the person are solved; therefore, the problem that the breathing air bag is inconvenient to press is solved.

Method (100) for checking the operational readiness of a closed-circuit breathing apparatus (1) in a step sequence for carrying out the check with the steps: - Continuous metrological acquisition (104, 104') and recording of pressure measurement signals P L a low-pressure sensor (41) arranged in or on a low-pressure system (77) of the closed-circuit breathing apparatus (1), - Identification based on the pressure measurement signal P L (81) of the low-pressure sensor (41) whether there is currently a situation in which an inflow of quantities of gas into the low-pressure system (77) has begun, - Storage of a first pressure measurement signal P1 (109) at a first time t1 (108), which indicates the identified pressure situation immediately after the start of the inflow of gas quantities into the low-pressure system (77) with a breathing bag (3), - Storage of a second pressure measurement signal P2 (114), which indicates a pressure situation at the end of the inflow of gas quantities into the low-pressure system (77) at a second time t2 (113), - Formation (115) of a difference value ΔP (ΔP = P2 - P1) (116) between the first pressure signal P, (109) and the second pressure signal P2 (114), - Performing a comparison (117) between the difference value ΔP (116) with a difference threshold value P C (118) - Determining a result (94, 95) of the verification of the functionality of the closed-circuit breathing apparatus based on the comparison (117), - Provision of an output signal (88) which indicates the result (94, 95) of the check.

The utility model discloses a commodity shelf, and relates to the field of breathing bag placement. The storage rack comprises a supporting structure, a rack body assembly and a limiting assembly, the rack body assembly comprises at least two first rack bodies and loading rods, the loading rods are detachably arranged on the first rack bodies, the loading rods are used for placing breathing bags arranged in rolls, and the limiting assembly is fixedly connected to the first rack bodies. The first frame body plays a role in supporting and lifting the loading rod and the breathing bags arranged on the loading rod in a rolled mode, the breathing bags wound in the rolled mode are connected to the loading rod in a sleeving mode, and then the loading rod is arranged in a limiting cavity of the limiting assembly; when unwinding is needed, a user can pull and roll the breathing bags which are arranged on the loading rod in a rolled mode with one hand. According to the storage rack provided by the utility model, the breathing bag is convenient to place, pull and roll, the manual labor intensity is low, the stability of subsequent cutting operation is enhanced, and the cutting precision of the breathing bag is improved.

Breathing bag (1) for a closed-circuit breathing apparatus (100), comprising a bag element (2) that surrounds an inner volume (3), wherein the bag element (2) reversibly has at least one deployment state (4) and a can assume a folded state (5), and furthermore, the bag element (2) in its unfolded state (4) surrounds a larger internal volume (3) than in its folded state (5), wherein the bag element (2) has a one-piece bag section (10) and a one-piece tub section (20), wherein the bag section (10) has a higher flexibility than the tub section (20), and wherein the bag section (10) at least partially immerses itself in the tub section (20) at least in the folded state (5). characterized by the fact that the bag section (10) and the tub section (20) are manufactured as multi-component injection molding and have different materials from each other, that the bag section (10) has an arrangement section (11), that the tub section (20) has a counter-arrangement section (21), and that the bag section (10) and the tub section (20) are materially bonded to each other at the arrangement section (11) and at the counter-arrangement section (21).

The invention belongs to the technical field of storage tank equipment, and discloses a VOCs collection system with a soft breathing bag, the VOCs collection system comprises a tank body and a breathing bag, the tank body is a rigid tank; the breathing bag is a soft bag; the top of the tank body is connected with the bottom of the breathing bag through a first pipeline sequentially provided with a flame arrester and a first valve; the breathing bag is connected with a second pipeline for outputting gas to the outside; the second pipeline is provided with a second valve; the volume of the breathing bag is not smaller than that of the tank body. According to the device, VOCs are contained in the breathing bag, the effect that the pressure of the oil storage tank can be stabilized in the gas increasing process or the oil feeding and discharging process in the tank is achieved, and meanwhile the effect of zero emission of VOCs is achieved. By controlling the volume of gas in the breathing bag to be matched with the volume of liquid in the tank, the pressure in the tank can be kept at normal pressure. By arranging the alarm device, the VOCs gas in the breathing bag can be automatically and rapidly transferred and treated.

1. Name of the product in this design: Respiratory Airbag. 2. Purpose of this design product: This design product is used for medical emergency breathing airbags. 3. The key design feature of this product is its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.

The invention relates to the technical field of anesthesia devices, in particular to an anesthesia machine control system and method and an anesthesia machine, and the system comprises an acquisition conversion module, a ladder segmentation module, a stage correction module, an integral sorting module and a valve control generation module. According to the method, the continuous pressure sequence is constructed by collecting the compression electric signals of the breathing bag and is smoothed, synchronous difference and gradient recognition is carried out on pressure changes and gas flow changes, refined stage division and dynamic position correction are formed, the boundary of the ventilation stage is clear and stable, and the accuracy is high. The valve opening reference relation is established through stage pressure integration and section sorting, the collaboration between pressure fluctuation and flow fluctuation is strengthened, deviation caused by manual experience dependence is reduced, valve dynamic adjustment is more real-time and consistent, and the gas conveying stability degree and the pressure control reliability are improved.

This invention discloses a breathing bag sealing machine, including a main frame, a fixture, a slide table device, and a welding device. The welding device is located on the inner rear end of the main frame. The slide table device includes a slide table panel, with the fixture mounted on the slide table device. A slider is mounted on the lower end of the slide table panel, and the slider is slidably connected to a linear guide rail. The lower end of the slide table panel is connected to the output end of a linear module, which is installed inside the main frame. The slide table panel has several universal steel column mounting slots, and the universal steel columns are installed in these slots. The slide table panel also has multiple fixing holes. The fixture is connected to the fixing holes via a rotating indexing pin and a hexagonal handle. This invention achieves heat sealing of different welding lines by adjusting the mold angle on a single machine, thus completing the product in one operation and avoiding quality risks associated with multiple process connections. It also reduces operating equipment and personnel costs.

An expiration bag storage device with a disinfection function comprises a storage cabinet used for temporarily storing expiration bags, the storage cabinet is provided with a plurality of storage grids, two expiration bags of the same patient are placed in each storage grid, each storage grid is provided with a cabinet door, each cabinet door is provided with a corresponding mark number, and an ultraviolet lamp used for disinfection and sterilization is arranged in each storage grid. When a patient deposits the expiration bag in the storage grid, the ultraviolet lamp can disinfect and sterilize the surface of the expiration bag; in addition, the breathing apparatus is further provided with a controller, an inductor and a timer, when a patient puts a first breathing bag into the containing grid, the breathing bag can be inducted, timing is started, a response is made after thirty minutes, and a worker can conveniently remind the patient to return a second breathing bag.

The present application relates to the technical field of sterilized breathing bags, and specifically discloses a polyethylene film resistant to steam sterilization, its processing technology and a sterilized breathing bag. The polyethylene film includes an inner layer, an intermediate layer and an outer layer arranged in sequence, the intermediate layer is mainly made of medium melt index polyethylene; the inner layer is mainly made of medium melt index polyethylene and low melt index polyethylene; the outer layer is mainly made of medium melt index polyethylene and low melt index polyethylene; the melt index of the medium melt index polyethylene is 0.5-1.5g / 10min; the melt index of the low melt index polyethylene is 0.02-0.1g / 10min. The polyethylene film has no adhesion and deformation after being sterilized for 30 minutes at a steam temperature of 121°C, and exhibits excellent resistance to steam sterilization. Moreover, the tensile strength of the polyethylene film is ≥30Mpa and the heat sealing strength is ≥20N / 15mm, so that the polyethylene film exhibits better mechanical properties.

The portable xenon inhaler comprises an operation box, an oxygen storage bin and a xenon oxygen storage bin are independently arranged in the operation box, and the xenon oxygen storage bin is communicated with a breathing bag; the oxygen storage bin is communicated with the xenon oxygen storage bin through the one-way inspiration interface and is used for supplying oxygen to the xenon oxygen storage bin in a one-way manner; the oxygen storage bin is provided with an overflow pressure device, and the xenon oxygen storage bin is provided with a one-way inspiration interface and a one-way expiration interface; the oxygen storage bin is communicated with an oxygen source through a pipeline, and the pipeline of the oxygen source is provided with a flow meter; the xenon oxygen storage bin is communicated with a xenon gas source through a pipeline, the pipeline of the xenon gas source is provided with a quantitative gas supply valve, and the xenon oxygen storage bin has the advantages of being accurate in gas supply, stable in mixing proportion of oxygen and xenon gas, high in overall sealing performance, capable of being rapidly disassembled and assembled, convenient and fast to operate, convenient to overall carry, light, convenient and fast to use, capable of guaranteeing directional flowing of gas and capable of avoiding gas backflow and affecting breathing quality.

The invention relates to a method for rapidly evaluating the rust-free level of a medicinal rubber plug, and belongs to the field of medicinal piston raw materials. Soaking the molded and deedged rubber plug in isopropanol to remove silicone oil on the surface, repeatedly cleaning the rubber plug with water for injection, and placing the rubber plug in a microwave oven for microwave treatment to destroy a passivation layer of scrap iron in the rubber plug; immersing the rubber plug into a NaCl solution, sealing, performing high-temperature and high-pressure treatment, cooling, discarding the solution, and drying; the treated rubber plug is placed in an MES buffer solution for sealed standing, and then the rubber plug is transferred into a sterile breathing bag to be dried; after the bag is opened, the rustless level of the butyl rubber plug after long-term contact with liquid medicine is evaluated by visually inspecting the number of red brown rust spots or rusty spots on the surface of the rubber plug. According to the method, the evaluation method is stipulated, the rusting condition of the rubber plug in contact with the liquid medicine is quantified, and the method can be used for rapidly and effectively evaluating the rusting point generation condition of the butyl rubber plug.

The utility model relates to the technical field of oxygen connecting pipes, and discloses an oxygen connecting pipe for a breathing air bag, which comprises a breathing air bag main body and a third connecting pipe, the end part of the breathing air bag main body is fixedly connected with a sealing disc, and the outer side wall of the sealing disc is fixedly connected with a second connecting pipe communicated with the inside of the breathing air bag main body; a rotating nut is matched with a limiting screw rod, at the moment, the limiting screw rod moves linearly and extrudes a flexible extrusion ring, a third connecting pipe is inserted into a second connecting pipe, and the flexible extrusion ring can contract inwards after being extruded and extrudes the third connecting pipe; a friction ring is further arranged on the inner side wall of the flexible extrusion ring and makes contact with the outer wall of the connecting-in end, so that friction force is increased, the situation of falling off is avoided, the smaller the distance between the first connecting disc and the second connecting disc is, the larger the extrusion force applied to the flexible extrusion ring by the first connecting disc and the second connecting disc is, and the larger the friction force is. And the situation that the second connecting pipe and the third connecting pipe fall off can be avoided.

The invention belongs to the technical field of anesthesia machine breathing bags and discloses a self-deflation type anesthesia machine breathing bag which comprises a breathing bag body and an air inlet, the air inlet is formed in the top of the breathing bag body, the air outlet is formed in the bottom of the breathing bag body, and a plastic film is arranged at the bottom in the air outlet. An upper fixing ring is arranged at the top of the plastic film, a lower fixing ring is arranged at the bottom of the plastic film, the plastic film is clamped in the upper fixing ring and the lower fixing ring and then installed in the air outlet, when a large amount of anesthetic gas and oxygen are accumulated in the breathing bag, the plastic film can be broken through expansion, and therefore the anesthetic gas and the oxygen are exhausted; the deflation device is arranged, so that the risk of bursting is avoided, and the safety during use is improved; the clamping blocks are pressed down, the springs stretch out and draw back, the clamping blocks enter the grooves, the clamping blocks are separated from the clamping grooves, then the upper fixing ring, the plastic film and the lower fixing ring are taken out from the air outlet, and the plastic film is convenient to replace.

The invention belongs to the technical field of storage tank equipment, and discloses a VOCs (volatile organic compounds) collection system with a negative pressure breathing bag, which comprises a tank body and a breathing bag, and the tank body is a rigid tank; the breathing bag is a soft bag; the top of the tank body is connected with the bottom of the breathing bag through a first pipeline sequentially provided with a flame arrester and a first valve; the breathing bag is connected with a second pipeline for outputting gas to the outside; the second pipeline is provided with a second valve; at least one inflating column connected with an inflating pump is arranged in the breathing bag and / or at the edge of the breathing bag; the inflation pump inflates the inflation column to support the breathing bag, so that the interior of the breathing bag is in a negative pressure state, or at least one elastic assembly is arranged in the breathing bag and / or on the edge to support the breathing bag, so that the interior of the breathing bag is in a negative pressure state. According to the device, VOCs are contained in the breathing bag, and the effect of zero emission of VOCs is achieved. The breathing bag is supported through the inflation column or the elastic assembly, and the effect of stabilizing the negative pressure of the oil storage tank is achieved.

The invention relates to a spring connector (40) for a spring-connected breathing bag panel system (80) of a rebreather (100), comprising a spring connection carrier (42) for arranging at least one spring element (82) of the spring-connected breathing bag panel system (80), and at least one fixing element (44) for holding the spring connector (40) at the rebreather (100), wherein the at least one fixing element (44) is a rotating element and / or a sliding element for moving the spring connection carrier (42) in a manner that allows rotation and / or sliding at and relative to the rebreather (100). Furthermore, the invention relates to a spring-connected breathing bag panel system (80) for a rebreather (100) and a rebreather (100).

A ventilation mask, comprising: a mask cup configured to receive air exhaled by a user; a re-breather bag configured to receive the exhaled air from the mask cup, the re-breather bag being further configured to at least temporarily store the exhaled air within the re-breather bag and subsequently return at least a portion 5 of the exhaled air to the mask cup; an oxygen feed configured to supply oxygen to the mask cup; and an ambient air value configured to control the flow of ambient air into the mask cup; wherein the ambient air valve comprises a control mechanism configured to adjust the ambient air valve between a first position and a second position in order to control the flow of ambient air; wherein the control 10 mechanism is configured to adjust the ambient air valve based on an air pressure within the mask cup applied to the control mechanism; and wherein the mask cup delivers a gas mixture to a user, based on gas supplied from the oxygen feed, gas supplied from the re-breather bag, and gas supplied from the ambient air valve, and wherein the contribution to the gas mixture from the ambient air valve is 15 dependent on the air pressure created by the user within the mask cup during an inhalation.

The utility model discloses an auxiliary breathing device, relates to the technical field of medical first-aid instruments, and solves the problems that when a patient is subjected to auxiliary breathing in an emergency, single-person operation is difficult to comprehensively consider, the ventilation effect is poor, when an assistant assists in extruding a breathing bag, swinging and traction are easy to occur in the operation, a mask is easy to shift, and the mask is difficult to cling to the mouth and nose of the patient; and air leakage is easy to occur around the mask. The breathing device comprises a breathing air bag and a supporting and fixing frame, the breathing air bag is limited on the supporting and fixing frame, one end of the breathing air bag penetrates through the supporting and fixing frame to be connected with one end of an oxygen connecting pipe, the other end of the oxygen connecting pipe is connected with a breathing mask, and the other end of the breathing air bag penetrates through the supporting and fixing frame to be connected with an oxygen storage bag. The breathing mask has the advantages that a rescuer does not need to extrude the breathing air bag with hands, the rescuer can support the lower jaw of a patient with two hands, the airway is opened more fully, the mask can be buckled more tightly, effective ventilation of the patient is guaranteed, and oxygen deficit is avoided.

The utility model provides a kind of wet heat sterilization respirator bag with tweezers loading support, including the U-shaped support frame formed by two vertical rods and a horizontal rod, fixedly connected with suspension rod and fixed sheet between two vertical rods, a plurality of insertion holes for tweezers foot insertion are set on fixed sheet, each insertion hole is sequentially arranged according to same interval. The utility model is used to solve the problem that tweezers cannot be fixed in the placing mode in respirator bag, and the heat treatment sterilization effect has difference.