42 results about "Reservoir bag" patented technology

The cardio-pulmonary resuscitation and artificial respiration first-aid device comprises an air storage bag, an inflating ball and a breathing mask provided with an expiration one-way valve, and further comprises a helmet and a tension ring, the breathing mask is worn on the mouth and nose of a patient, the helmet is worn on the afterbrain of the patient, the tension ring is arranged on the edge of the breathing mask in a sleeving mode, and the inflating ball is arranged on the breathing mask. And a pull strap which is quickly connected and tightly presses the breathing mask is arranged between the helmet and the pull ring. The device is simple in structure and convenient to operate, the operation difficulty of rescuers is reduced, the rescue effect of cardio-pulmonary resuscitation and artificial respiration is guaranteed, and the rescue operation efficiency is remarkably improved.

The utility model relates to a gas collecting device for an expiration test, which effectively solves the problems that the existing expiration collecting device is inconvenient to remove interference gas, and is inconvenient to classify, collect and store gas exhaled by a detector in different time periods, so that the accuracy of an expiration test result is influenced. According to the expiration test gas collection device, cavity gas in a cavity of a detector can enter the gas circulation structure at the first time and is stored in the interference gas collection structure, so that the cavity gas is removed, and alveolar gas exhaled by the detector subsequently flows through the rotating structure and enters one gas storage bag in the gas storage structure; a filtering block in the rotating structure filters out part of non-target gas, so that the accuracy of a detection result is improved; the gas storage structure and the rotating structure can be convenient for a detector to store exhaled gas into different gas storage bags in different time periods, so that exhaled gas samples in different time periods can be stored in batches, and the accuracy of exhaled gas detection results is further improved.

The utility model discloses a sterile pressure patch, belongs to the technical field of medical instruments, particularly relates to a sterile pressure patch used for pressing a needle eye after blood drawing, and aims to solve the technical problems that blood circulation is affected due to the fact that an elastic band of an existing pressure patch tightens the skin, and a pressing area is large due to the fact that the whole patch body is tightened. The patch comprises a patch body, a medicine layer arranged at the bottom of the patch body and adhesive layers arranged at the bottom of the patch body and located on the two sides of the medicine layer. An air bag is arranged in the middle area in the patch body, air storage bags are arranged on the two sides of the air bag in the patch body, and the air storage bags are communicated with the air bag through air channels. In the process of pasting the sterile pressure patch, gas in the gas storage bag is extruded into the gas bag, and most of the gas enters the gas bag after the sterile pressure patch is pasted, so that the gas bag can extrude a needle eye and a small-range area around the needle eye; the pressing area of the air bag is small, the skin cannot be tightened, blood circulation cannot be affected, and the sterile pressure patch is more convenient to use.

This utility model discloses a postoperative nasal drainage device, comprising: a distribution valve, drainage tubes, and a reservoir bag. The distribution valve has two inlet holes and one outlet hole. A partition plate is fitted into the distribution valve, separating the two inlet holes. A rotating shaft is rotatably mounted within the partition plate, and first, second, and third baffles are mounted on the shaft. The first baffle cooperates with one inlet hole, and the second and third baffles cooperate with the other inlet hole. A reservoir bag is fitted into the outlet hole, and a partition plate is installed within the reservoir bag. The partition plate and the partition plate are interlocked. A first hydrophobic membrane is installed within the partition plate. A negative pressure hole is provided on the reservoir bag, and a second hydrophobic membrane and a one-way valve are installed within the negative pressure hole. A drainage tube is connected to each of the two inlet holes, and the drainage tube is equipped with a one-way Luer connector and a detachable drainage end. The distribution valve allows adjustment between single-inlet and dual-inlet modes depending on whether the surgery is performed in a single or double nasal cavity.

The present invention relates to the technical field of in-depth sludge detection, and discloses a sewage sedimentation tank sludge depth detection device and its detection method. The counterweight includes a floating seat. A center-of-gravity adjustment airbag is fixedly installed on the outer edge of the bottom of the floating seat. A storage seat is fixedly assembled at the bottom of the center-of-gravity adjustment airbag. A mud breaker is stored and installed in the storage seat. An air storage bag is installed at the center of the floating seat. Floating bladders communicated with four groups of air storage bags are nested and installed around the floating seat. A small air pump is fixedly installed inside the floating seat. The input end and the output end of the small air pump are respectively connected to the air storage bag and the center-of-gravity adjustment airbag through air ducts. The method of hovering on the sludge surface is adopted to measure the sludge depth, and the measurement is more accurate. The sinking resistance of the counterweight on the sludge surface is greatly reduced, which facilitates the counterweight to float stably on the sludge surface, and greatly ensures that the counterweight can hover on the sludge surface.

The utility model relates to the technical field of artificial respirators, and discloses an oxygen inhalation artificial respirator which comprises a respirator. According to the respirator, a connecting piece is arranged on the outer side wall of a mask, and the connecting piece is fixedly connected with an elastic rope; an air suction pipe is arranged on the mask in a penetrating mode, an elastic air bag is arranged at the bottom of the air suction pipe, and the elastic air bag is fixedly connected with an air storage bag through an air inlet valve; the respirator is provided with an artificial respiration device, and the artificial respiration device is characterized in that an oxygen blowing mask is arranged on an air suction pipe in a sleeving mode through an air blowing pipe, and an empty groove is formed in the air blowing pipe; a stop block is rotationally arranged on the air suction pipe through a rotating shaft, and the stop block is connected with the empty groove in a clamped mode; according to the device, the baffle block capable of being pressed is arranged on the air suction pipe, and the empty groove matched with the baffle block for clamping is formed in the air blowing pipe, so that the air blowing pipe and the air suction pipe are clamped through the baffle block, the structure is simple, and the air blowing pipe is convenient to disassemble and assemble.

The utility model provides a hot spring associated gas automatic collection device, belongs to the technical field of hot spring gas collection, and solves the problem that hot spring associated gas cannot be automatically collected in the prior art. The system comprises an aeration device, the aeration device is connected with a condensing device, the condensing device is connected with a gas-liquid separator, the gas-liquid separator is connected with a gas storage bag, a weighing platform is placed below the gas storage bag, the top of the gas storage bag is connected with a gas compressor, and the gas compressor is connected with a high-pressure gas storage bottle; a first electromagnetic valve is arranged in the pipeline between the gas-liquid separator and the gas storage bag, and a second electromagnetic valve is arranged in the pipeline between the gas storage bag and the gas compressor. The aeration device aerates the hot spring, separated gas passes through the condensing device and the gas-liquid separator and then enters the gas storage bag to be cached, and then the gas compressor pumps the gas into the high-pressure gas storage bottle to be collected; and the controller automatically controls the first electromagnetic valve, the second electromagnetic valve and the gas compressor, so that the hot spring associated gas is automatically collected.

The utility model discloses a ventilated glass-lined reaction kettle and relates to the technical field of glass-lined reaction kettles. The device comprises a reaction kettle and a storage box, a ventilation assembly is arranged at the top of the reaction kettle, a sealing assembly for controlling the gas flow rate is arranged on the surface of the ventilation assembly, the storage box is located below the ventilation assembly, and a gas storage bag for recycling gas is placed in the storage box. The servo motor drives the threaded rod to rotate, so that the sealing plate controls and limits the caliber of the gas port, the gas circulation rate is gradually increased, the situation that the pressure in the reaction kettle is suddenly changed, and a glass layer in the reaction kettle is damaged is avoided, the storage box is filled with water to submerge the surface of the gas storage bag, and the gas storage bag is prevented from being damaged. In the process that the gas is gradually conveyed into the gas storage bag, water in the storage box is squeezed out, the flow valve monitors the water flow so as to obtain the gas collection amount, and conveying of the gas into the gas storage bag full of the gas is stopped in time.

The utility model relates to a tracheal catheter capable of monitoring air bag pressure, which comprises an air guide tube, an air bag sleeved outside the air guide tube, an inflation tube used for inflating and deflating the air bag and a pressure measuring device capable of monitoring the air bag pressure, and the pressure measuring device comprises a pressure indicating bag arranged outside the air bag and a liquid storage bag sleeved outside the pressure indicating bag. The pressure indication bag is communicated with the air bag through an inflation tube, and indication liquid used for displaying expansion and contraction changes of the pressure indication bag is arranged in the liquid storage bag. After the technical scheme is adopted, the liquid storage bag is arranged outside the air bag, the liquid storage bag is located outside the human body during use, safety is higher, risks caused by accidental leakage are avoided, the pressure indicating bag and the liquid storage bag are used for monitoring the pressure change of the air bag, simplicity and intuition are achieved, and even if the pressure change is small, the liquid storage bag can not be used. The liquid level sensor has the advantage of being convenient to monitor.

The invention relates to the technical field of medical equipment, and discloses an external oxygen supply method, an external-oxygen-free oxygen supply method and a quantitative oxygen supply method, and provides three core modes: in an external oxygen supply mode, redundant oxygen during extrusion is recycled and reused through a gas storage bag, and overpressure is prevented in combination with a pressure release valve; in the oxygen supply mode without external oxygen, pure manual extrusion air supply is achieved through a shell which can be replaced or arranged outside the air bag in a sleeving mode, and the device adapts to the oxygen-source-free environment; in the quantitative oxygen supply mode, the inflatable inner bag is arranged in the air bag to accurately limit the oxygen storage space in advance, and accurate control over the single tidal volume is achieved. According to the invention, the oxygen utilization rate is obviously improved, the use safety is guaranteed, and the application capability of the simple respirator in precise ventilation and emergency scenes is expanded.

The utility model relates to the technical field of medical instruments, and provides an atomization oxygen supply device. The atomizing oxygen supply device comprises a mask, an air storage bag, an atomizing cup and an oxygen supply machine, an atomizing cavity used for containing liquid medicine is formed in the atomizing cup, the atomizing cup is provided with an air inlet channel and a mist outlet channel which are communicated with the atomizing cavity, air enters the atomizing cavity through the air inlet channel and then atomizes the liquid medicine, the atomized liquid medicine can be discharged out of the atomizing cavity through the mist outlet channel, the air inlet channel is connected with an oxygen supply machine, and the mist outlet channel is communicated with an air storage bag. And the air storage bag is communicated with the mask. Oxygen conveyed by the oxygen supply machine atomizes liquid medicine in the atomization cavity and then is conveyed into the gas storage bag through the mist outlet channel, a patient can inhale the atomized liquid medicine while inhale the oxygen, the patient can continuously receive atomization treatment while inhale the oxygen through the atomization oxygen supply device, and the treatment effect on the patient is improved.

The invention discloses a portable intelligent liver ascites drainage and absorption device, and belongs to the technical field of medical auxiliary appliances, the portable intelligent liver ascites drainage and absorption device comprises a first bandage and a second bandage, the first bandage is provided with an absorption tube, one end of the absorption tube is connected with a needle head, and the other opposite end of the absorption tube is connected with a liquid storage bag arranged on the second bandage through a U-shaped tube; an insertion rod is integrally formed and connected to the liquid storage bag, and the insertion rod is fixed to the second bandage in an insertion mounting mode; the first flow guide mechanism comprises a bottom pipe connected with the needle head, a gasket is installed on the top of the bottom pipe in a locking and fixing mode through a positioning pin, and a fixing ring is connected to the top of the gasket in an integrally-formed mode. The device can solve the technical problems that in the liquid discharge treatment process aiming at the liver ascites symptom, if accidental collision occurs or the internal and external pressure intensity is not constant, the ascites can possibly suck back, so that the ascites cannot be effectively discharged conveniently, and even the illness state of a patient can be aggravated.

The utility model discloses a simple respirator testing machine which comprises an air pump, a first pressure sensor, a first flow meter, a first control valve, a second flow meter, a second pressure sensor, a second control valve and a pressing piece. The air pump, the first flow meter and the first pressure sensor form a first pipeline which is connected with an oxygen pipe connector of the respirator. The second flowmeter and the first control valve form a second pipeline and then are connected with an air storage bag connector of the respirator, and the second control valve and the second pressure sensor form a third pipeline and then are connected with a patient connecting port connector; the pressing piece is arranged on one side of the to-be-tested respirator placing position and used for pressing the to-be-tested respirator. The device provided by the utility model has the advantages of programmed, automatic and standardized detection process, digitized and precise judgment, high response speed and active alarm prompt. The problems of incomplete manual detection and misjudgment can be effectively avoided, and it is guaranteed that a follow-up simple respirator can be better used.

The utility model relates to the technical field of light-emitting balls, in particular to a spliced colorful light-emitting ball which comprises a shell and an upper cover, the upper cover is fixedly connected to one end of the shell through a plurality of screws, a fixing component is installed in the shell, and the fixing component comprises a suction cup, a disc, an air storage bag, a sleeve, a screw cap and a lead screw. The disc is fixedly connected into the shell, the suction cup is fixedly connected to the disc through a plurality of first springs, and one end of the air storage bag is fixedly communicated with the face, away from the first springs, of the disc. And the suction cup can be more stably adsorbed on the wall, the rapid fixing effect on the shell is achieved, and the shell can be rapidly and fixedly hung on the smooth wall.

The utility model relates to an emergency chemical oxygen self-rescue respirator, which comprises a face mask, a mask air inlet and a mask air outlet are arranged on the face mask; an air inlet and an air outlet are formed in the oxygen generation tank; a gas storage bag; wherein the mask air outlet of the mask is communicated with the air inlet of the oxygen generation tank, the air outlet of the oxygen generation tank is communicated with the interior of the air storage bag, and the interior of the air storage bag is communicated with the mask air inlet. The utility model has the beneficial effects that not only can the oxygen generating agent react more completely, but also the problems of resistance rise, high carbon dioxide concentration and insufficient protection time can be avoided, and the reciprocating gas volume can be designed according to the actual use effect while the circulating defect is avoided; the carbon dioxide concentration of the sucked gas can be reduced, meanwhile, the temperature of the sucked gas cannot be obviously increased, and the problem that the temperature of the sucked gas is too high in a reciprocating gas flowing mode is solved.

A portable device for dispensing a disinfectant in liquid form to effect complete or partial healing of a lameness in a livestock responsive to the disinfectant; wherein the portable device includes: a liquid-tight reservoir bag; an emitter unit; and a flexible hose connecting the reservoir bag to the discharger unit when using the unit.

The utility model discloses a drying auxiliary device for a reusable simple breathing balloon air storage bag, which comprises an air storage bag component, a support cylinder is arranged at the bottom of the air storage bag component in a penetrating manner, a small motor is fixedly connected to the bottom of an inner cavity of the support cylinder, and a screw is fixedly connected to the output end of the small motor. The top of the surface of the screw rod is in threaded connection with a screw block, the periphery of the screw block is fixedly connected with a first pin shaft, the outer side of the first pin shaft is movably connected with a convex plate through a rotating shaft, the outer side of the convex plate is fixedly connected with a wheel rod, and the outer side of the wheel rod is slidably connected with a batten. According to the simple breathing balloon air storage bag, the traditional phenomenon that internal water stains are not prone to flowing out is changed, the air storage bag assembly is opened through the supporting plate, so that the internal water stains are not prone to flowing out, adhesion under the high-temperature condition is avoided, the outer wall of the air storage bag is not broken, and the air storage bag assembly is convenient to use. And the service life of the gas storage bag is not influenced.

The invention relates to the technical field of tumor radio-frequency treatment, in particular to an inert gas storage system for tumor radio-frequency treatment, which comprises a gas storage bag, a first one-way valve, a gas extraction assembly, a protection assembly and a gas adding assembly, a gas guide pipe is arranged on the gas storage bag and used for discharging inert gas in the gas storage bag, and the first one-way valve is connected to the gas guide pipe and used for discharging the inert gas in the gas storage bag. The first one-way valve is used for controlling inert gas in the gas guide pipe to flow. Inert gas is stored through the gas storage bag, it is ensured that the inert gas is effectively managed under proper conditions, the inert gas in the gas storage bag can be discharged through the gas guide pipe, the inert gas stored in the gas storage bag can be pumped out through the gas pumping assembly and pushed into a sterile pipeline entering a human body, and the inert gas is injected into tissue gaps around a tumor, so that the tumor can be effectively managed. The safe distance between a tumor and a great blood vessel can be increased, the thermal injury risk can be effectively reduced, the ablation effect is improved, the operation scheme is optimized, and the precision of navigation and temperature control in the operation is enhanced.

This utility model belongs to the field of medical device technology and provides a disposable urinary catheter drainage device, including a urinary catheter, a sealing connector, and a reservoir bag connected in sequence. The reservoir bag is a folded reservoir bag with at least one pre-compression fold line. The reservoir bag is provided with a drainage tube communicating with an internal reservoir cavity. The sealing connector includes an insert at the end of the urinary catheter and a sleeve at the end of the drainage tube. The insert is detachably inserted into the sleeve. The disposable urinary catheter drainage device provided by this utility model improves portability and reduces the impact on patient activity by using a folded reservoir bag, increases urine storage capacity, and allows for detachable connection between the reservoir bag and the urinary catheter through the sealing connector, facilitating the replacement of the reservoir bag and avoiding urethral mucosal infection damage caused by repeated insertion and removal of the catheter.

The utility model provides a liquid storage bag convenient to use, which comprises a bag body, a liquid inlet is arranged at the upper end of the bag body, a strip is fixedly arranged outside the bag surface on two sides of the liquid inlet, quick fasteners are arranged at two ends of the strip, the upper end of the bag body winds the strip for at least one circle towards one side and then is fastened with the quick fasteners, so that a handle part convenient to lift is formed, and the handle part is provided with a handle. A liquid outlet valve is arranged at the lower end of the bag body and comprises a liquid outlet valve seat and a liquid outlet valve cover, the liquid outlet valve seat comprises a connecting part and a connector part, the outer side wall of the connecting part is fixedly connected with the bag body, a liquid outlet channel is formed in the connecting part, one end of the liquid outlet channel is communicated with an inner cavity of the bag body, and the other end of the liquid outlet channel penetrates through the end face of the connector part to form a liquid outlet. The liquid outlet valve cover is in threaded connection with the connector part, a sealing part corresponding to the liquid outlet is arranged on the inner side of the end part, and a plurality of liquid outlets are formed in the end wall of the liquid outlet valve cover around the sealing part; the liquid storage device is simple in structure, convenient to fold and store, and simple and convenient to store and discharge liquid.

The utility model relates to a corrosive gas absorption system. The corrosive gas absorption system comprises an absorption tank, a heat exchanger, a peristaltic pump and a diaphragm pump, a gas inlet pipe and a liquid inlet pipe are arranged on the absorption tank, a nozzle is arranged at the end of the liquid inlet pipe, the lower end of the gas inlet pipe is located on the lower side of the liquid inlet pipe, the upper end of the gas inlet pipe is connected with a first connecting pipe, and the peristaltic pump is arranged on the first connecting pipe; the diaphragm pump is used for pumping corrosive gas into the absorption tank, a cooling coil is arranged in the absorption tank, a cooling liquid inlet pipe and a cooling liquid outlet pipe are arranged on the absorption tank, the bottom of the absorption tank is communicated with an inlet of the cooling coil through a second connecting pipe, and a liquid inlet of the diaphragm pump is communicated with an outlet of the cooling coil through a third connecting pipe; and a liquid outlet of the diaphragm pump is communicated with the liquid inlet pipe through a fourth connecting pipe. The pressure of the corrosive gas is increased after the corrosive gas flows through the peristaltic pump, so that the gas in the gas storage bag can be completely conveyed into the absorption tank, and the pressure during gas absorption can be increased. The corrosive gas enters the absorption tank after passing through the one-way valve after being pressurized, and the tail end section of the gas outlet is provided with the filter cloth, so that absorption liquid is effectively prevented from entering a gas pipeline. The absorption liquid is sprayed into the absorption tank, and tiny liquid drops generated by spraying are beneficial to rapid absorption of corrosive gas. After heat generated in the absorption process is cooled through the heat exchanger, high absorption driving force is maintained, and efficient absorption is facilitated.

1. The name of this design product: Wound irrigation storage bag. 2. The purpose of this product design: It is attached around the wound to collect the flushing fluid during wound debridement, flushing and dressing changes to prevent liquid leakage. 3. The key design point of this design product lies in the combination of shape and pattern. 4. The picture or photo that best illustrates the key points of the design: main view.

The invention belongs to the technical field of medical consumables, particularly relates to an in-vitro drainage device and method for the hepatobiliary surgery department, and provides the following scheme for solving the problems that a real-time blockage monitoring function is lacked and a pipeline is prone to blockage: the in-vitro drainage device comprises a liquid storage bag, and an exhaust valve is arranged on the surface of one side of the liquid storage bag. According to the in-vitro drainage device and method for the hepatobiliary surgery department, the rotating shaft is driven to rotate under the action of the multiple fan blades by means of flowing of liquid in the hard pipe, the shaft type torque sensor is arranged at one end of the rotating shaft, and the rotating speed of the rotating shaft is monitored in real time through the shaft type torque sensor; when the pipeline is blocked, the flow rate of the liquid is suddenly reduced, so that the rotating speed of the rotating shaft monitored by the shaft type torque sensor is far lower than a set value, and the alarm is triggered to give an alarm through an electric signal, so that discomfort or collapse of a patient caused by pipeline blockage can be avoided, and the treatment effect is improved.

The utility model provides a breathing air bag, relates to medical instrument field, including oxygen catheter, check valve and pressing air bag, oxygen catheter right side is provided with pressure relief valve, oxygen catheter top left side is provided with check valve, oxygen catheter bottom is provided with pressing air bag, the pressing air bag adopts corrugated pipe structure design, and the pressure relief valve is provided with pressure relief valve. An air storage connecting pipe is arranged on the left side of the bottom of the pressing air bag, two sets of fixing buckles are arranged on the outer side of the air storage connecting pipe, the air storage bag can be fixed by pressing the fixing buckles, and therefore the phenomenon that the air storage bag falls off due to the fact that air pressure in the device is too high is avoided, and it can be guaranteed that the medical device always keeps the expected performance during use. Therefore, the reliability and the practicability of the equipment are improved, meanwhile, the situation that medical staff encounter operation difficulty or delay in the first-aid or treatment process due to falling of the air storage bag is prevented, and the safety in the patient nursing process is improved.

The invention discloses a disposable cross infection prevention radiography enema device, and relates to the field of radiography enema, the disposable cross infection prevention radiography enema device comprises a liquid storage bag and an infusion tube, the outlet of the liquid storage bag is provided with a liquid outlet tube, and the disposable cross infection prevention radiography enema device further comprises an air pressure leakage prevention mechanism and a quick connection mechanism; the air pressure leakage-proof mechanism comprises a sleeve and an air bag which are arranged on the infusion tube, a movable ring is movably arranged on the sleeve through a linear driving assembly, a sealing ring is arranged on the inner wall of the movable ring, the front end of the air bag is fixedly connected with the sleeve, and the rear end of the air bag is fixedly connected with the movable ring; according to the radiography enema device, the air pressure leakage-proof mechanism composed of the sleeve, the air bag, the movable ring and the linear driving assembly is arranged, and the air bag is expanded in the radial direction to achieve sealing according to the mechanical pushing principle, so that the structure of the whole device is greatly simplified, the manufacturing cost is effectively controlled, and it is ensured that the device can be easily used as a disposable consumable; the path of pathogens propagating between patients through the device is severed.

The utility model relates to a breathing air bag for the elderly respiratory disease patient, including air bag subassembly and clamping subassembly, the air bag subassembly includes mask, pressure valve, check valve, balloon, air storage valve and air storage bag, mask, check valve, pressure valve, balloon, air storage valve and air storage bag intercommunication in proper order, the clamping subassembly is installed on the balloon; the clamping assembly comprises clamping blocks, clamping rods, a cross rod and a grip, the clamping blocks are installed on the two opposite sides of the balloon, and the two clamping blocks are each provided with a set of connecting pieces. According to the breathing air bag for the old respiratory disease patient, the balloon is extruded through the clamping assembly installed on the balloon, the patient is assisted to inhale oxygen in the balloon, the clamping assembly drives the clamping rod to move through the grip, then the clamping block is pressed, the clamping block is pressed towards the balloon, extrusion of the balloon is completed, and the grip has the handheld function at the same time; when the device is used, a patient can directly operate the device with one hand, and use of the device is completed.

An oxygen delivery device includes an oxygen inlet, a switching valve, an oxygen reservoir, a self-inflating bag, an oxygen outlet tube, and an oxygen outlet from the self-inflating bag. When the switching valve is in a first position, oxygen is diverted to the oxygen outlet tube where it is provided to a spontaneously breathing patient. When the switching valve is in a second position, oxygen flows into the reservoir bag and the self-inflating bag, where a clinician may pump the bag to assist the breathing of non-spontaneously breathing patient. In some versions, a clamp may be used in place of the switching valve.

Oxygen Re-Use Breathing System for Recycling Oxygenated Gas from Mechanical Ventilator Exhaust for Emergency Life-Saving NRBM (ELSN) Circuits to address oxygen shortages in emergency healthcare settings. This non-electronic, single- use disposable device aims to reduce mortality rates during crises by repurposing wasted oxygen from mechanical ventilator exhaust. The system comprises a flexible gas receiving tube, double one-way valve 'Y' piece connector with microfilter, and collapsible rubber reservoir bag, facilitate efficient oxygen recycling. The device also features a specialized NON- REBREATHER oxygen mask and reservoir bag for optimal patient oxygenation. Additionally, it provides functionalities such as aerosol- medicated nebulization and humidifier oxygen delivery without electronic equipment. By harnessing ventilator exhaust gas pressure, the device offers a cost-effective means to increase oxygen bed strength during mass casualty incidents in war, pandemic outbreaks, and natural disasters, thereby saving lives and mitigating healthcare resource strain.

The utility model relates to the technical field of surgical pads, and discloses an antibacterial surgical pad which comprises an antibacterial pad layer and a gas storage bag, the bottom of the antibacterial pad layer is fixedly connected with a water absorption pad layer, air holes are formed in the antibacterial pad layer, the bottom of the water absorption pad layer is fixedly connected with an anti-seepage pad layer, and the air holes are formed in the anti-seepage pad layer. An air bag is fixedly connected between the anti-seepage cushion layer and the water absorption cushion layer, an air suction valve is fixedly connected to one end of the air storage bag, an air suction pipe is fixedly connected to the interior of the air suction valve, a balloon is fixedly connected to the output end of the air suction valve, a connecting pipe is fixedly connected to the interior of the balloon, and a conveying assembly is arranged at one end of the connecting pipe. According to the utility model, by controlling the inflating volume of the air bag, the effect of adjusting the height of the operation pad is realized, and the problems that several operation pads are stacked together for use when the height of the operation pad is not enough, the body muscles of an anesthetized patient are relatively loose, the operation pad is not easy to move, and the operation efficiency is influenced are solved, so that the applicability of the operation pad is improved.

The utility model provides an asphalt flue gas recovery device, and relates to the technical field of asphalt flue gas recovery, the asphalt flue gas recovery device comprises a vacuum pump, a gas inlet of the vacuum pump is connected with a three-way electromagnetic valve through a pipeline, the other two ends of the three-way electromagnetic valve are connected with a three-way pipe and a connecting pipe respectively, and the other two ends of the three-way pipe are connected with second electromagnetic valves; the two second electromagnetic valves are connected with screwed joints; the threaded connector is connected with a valve, and the valve is connected with a gas storage bag. According to the device, after the vacuum pump is started, the gas storage bag is vacuumized through control of the three-way electromagnetic valve, then the gas storage bag is switched to be in the state that the three-way pipe is communicated with the connecting pipe, and smoke in the mixing pot is sucked and stored through negative pressure in the gas storage bag, so that smoke recycling is achieved; the emission of flue gas to the external environment is effectively reduced, and the diffusion of pollutants is controlled from the source.