458 results about "Oxygen delivery" patented technology

The invention relates to the technical field of oxygen supply, and provides a self-adjusting dispersion type oxygen-enriched sleep pillow which comprises an oxygen conveying assembly, a monitor, an analyzer and an oxygen supply controller, oxygen is conveyed to an oxygen conveying pipe of the sleep pillow through the oxygen conveying assembly, the heart rate and the blood pressure of a target object are monitored through the monitor, historical data monitored by the monitor are analyzed through the analyzer, and the oxygen supply controller is connected with the sleep pillow. The method comprises the following steps: identifying an anoxia influence period through the heart rate and blood pressure of a target object, distinguishing a significant influence period and a weak interference period based on an anoxia influence tendency characterization value, monitoring the oxygen state of a sleep pillow target object area, determining oxygen catheter characterization parameters, and predicting whether the oxygen concentration of the target object area is abnormal or not based on the oxygen catheter characterization parameters. According to the method, the influence of environmental area difference on the target object in the running process of the oxygen-enriched sleep pillow is considered, the oxygen compensation device is adaptively started, and then the oxygen supply efficiency and the oxygen condition of the target object area are guaranteed.

The invention discloses a respiratory disease oxygen precise conveying system based on a sensor, and relates to the technical field of medical equipment, and the system comprises a sensing module which integrates multiple sensors to collect and process airway and physiological data of a patient; the disease matching module identifies disease types through database comparison; the dynamic adaptation module calculates exclusive oxygen concentration based on a multi-mode fusion initial algorithm; the conveying module executes adjustment; the closed-loop feedback module continuously fine-tunes the oxygen concentration through a closed-loop stepped fine-tuning algorithm to form a closed-loop link, so that accurate dynamic control of oxygen delivery is realized; according to the invention, multi-sensor collaborative acquisition and disease precise matching are combined with a dynamic algorithm and closed-loop feedback, so that individuation and dynamic oxygen delivery are realized, the system avoids misjudgment by relying on a standardized database, and the oxygen concentration, flow and pressure are ensured to be adjusted in real time along with physiological indexes of a patient through multi-parameter collaborative adjustment and stepped fine adjustment; the treatment comfort, the effectiveness and the long-term adaptability are improved.

The invention relates to an intelligent judgment system and method for an oxidation-reduction end point of copper smelting of an anode furnace. According to the system provided by the invention, copper sample images and environmental parameters are obtained through the bimodal image acquisition module, oxidation period and reduction period features are extracted and fused by utilizing the differentiation feature processing module, end point probability prediction is carried out by virtue of a hybrid neural network model, and finally, the intelligent control module adjusts the oxygen supply rate according to a prediction result and gives an alarm. Aiming at the problems of strong subjectivity, low precision, poor adaptability and the like due to the fact that end point judgment of an oxidation period and a reduction period depends on artificial experience or a single data source in a traditional copper fire refining process of the anode furnace, accurate judgment is realized through the steps of synchronous data acquisition, feature extraction, end point joint prediction, closed-loop control and the like; the method has the advantages of cost reduction, efficiency improvement, accurate judgment, high adaptability and the like, expensive equipment is omitted, the cost is reduced, the judgment accuracy is improved through multi-dimensional analysis, and the unique design adapts to complex working conditions.

The invention relates to the technical field of medical instruments, and discloses an adjustable respiratory resistance type end-expiratory carbon dioxide monitoring nasal mask which comprises a nasal mask body, an end-expiratory carbon dioxide collecting tube, an oxygen conveying hose and a connector assembly arranged at one end of the nasal mask body and used for connecting the end-expiratory carbon dioxide collecting tube and the oxygen conveying hose. The connector assembly comprises a double-channel connector connected with the nasal mask body, a partition plate is fixedly connected to the inner wall of the double-channel connector, and when the inspiration resistance is adjusted through the arranged inspiration adjusting mechanism and expiration adjusting mechanism, the hand wheel assembly is manually operated to control the blocking film assembly, so that the caliber size of the oxygen delivery port is changed, and the oxygen delivery effect is improved. The larger the diameter of the oxygen delivery port is, the smaller the inspiration resistance is, when the expiration resistance is adjusted, the reel assembly is manually operated, so that the total gas displacement of the exhaust hole in the exhaust buckle is changed, the larger the total gas displacement of the exhaust hole is, the smaller the expiration resistance is, and therefore the effect of improving the treatment accuracy is achieved.

Provided are a natural gas helium extraction device and a natural gas helium extraction method. The natural gas helium extraction device comprises a primary concentration part, a dehydrogenation and dehydration part, a secondary concentration part, and a final purification part. The primary concentration part comprises a first compressor, a first preheater, and a first membrane separator connected in sequence. The dehydrogenation and dehydration part comprises an oxygen delivery pipe, a mixer, a plurality of dehydrogenation towers connected in parallel, a low-temperature water separator, and a water remover. The secondary membrane separator of the secondary concentration part comprises a permeate gas outlet and a non-permeate gas outlet. The non-permeate gas outlet is connected to the primary concentration part. The final purification part comprises a nitrogen circulating cooling component and a pressure swing adsorption (PSA) device. The PSA device is connected to the permeate gas outlet of the secondary membrane separator and is used to output high-purity helium. The nitrogen circulating cooling component, the PSA device, and the low-temperature water separator form a cooling loop. The natural gas helium extraction device and the natural gas helium extraction method can significantly reduce safety risks and effectively reduce equipment costs.

The utility model discloses a negative pressure cabin for providing negative pressure for individuals, mainly relates to the field of medical facilities, in particular to a negative pressure cabin with an oxygen delivery device, and provides a negative pressure cabin which comprises a cabin body, a negative pressure device arranged on the cabin body and an oxygen delivery device arranged on or in the cabin body. Such a negative pressure compartment may be used for treating disease, resisting aging, promoting skin function, and / or beautifying for non-therapeutic purposes.

The utility model relates to the technical field of medical instruments, in particular to an oxygen-concentration-adjustable oxygen therapy mask which comprises a mask body, an oxygen therapy tube is sleeved with a positioning disc, the top of the oxygen therapy tube is communicated with an oxygen therapy disc, two supporting sliding rods are fixed to one side of the oxygen therapy disc, and the two supporting sliding rods are fixed to the other side of the oxygen therapy disc. One ends of the two supporting sliding rods penetrate through and extend out of the positioning disc, a rotating disc is fixed to one ends of the supporting sliding rods, springs are arranged on the outer sides of the supporting sliding rods in a sleeving mode, an air inlet disc is fixed to the top end of the interior of the fixing groove, and a plurality of air inlets are formed in one side of the air inlet disc. A plurality of air outlet pipes are fixed to one side of the air inlet disc at equal intervals and communicate with the air inlet, and an air outlet insertion pipe is welded to one side of the oxygen conveying disc and communicates with the interior of the oxygen conveying disc. When a patient wears the mask body to inhale oxygen, the oxygen concentration cannot be changed due to shaking of the head of the patient, and the treatment effect on the patient is improved.

The utility model relates to a system for preparing green methanol by coupling biomass gasification with green electricity electrolyzed water, which comprises a biomass gasification reactor, a dust removal and recovery system, a cooling system, a washing tower, a gas filling device, a pressure control system, a methanol synthesis reactor, a condensation system, a rectification device and a methanol buffer tank which are connected in sequence, the biomass gasification reactor is respectively provided with a biomass feed port, an ash discharge port, a steam inlet and an oxygen inlet, and the bottom of the dust removal and recovery system is connected with the lower part of the biomass gasification reactor through a return pipeline; the electrolytic cell is connected with an oxygen inlet of the biomass gasification reactor through an oxygen conveying pipeline and connected with a gas filling device through a hydrogen conveying pipeline, and water vapor generated by the methanol synthesis reactor is connected to a vapor inlet of the biomass gasification reactor through a pipeline. According to the utility model, the pyrolysis gas does not need to be purified or shunted, the process flow is simplified, and the conversion per pass is improved.

The invention discloses a humidifying device for medical oxygen delivery, and belongs to the technical field of oxygen delivery, the humidifying device comprises a heating base and a path-controllable humidifying bottle, the path-controllable humidifying bottle is detachably mounted on the heating base, the path-controllable humidifying bottle comprises a humidifying bottle and a plurality of separating sleeves rotationally arranged in the humidifying bottle, and the separating sleeves are detachably mounted on the heating base. A horizontal partition plate which divides the inner space of the humidification bottle into a humidification cavity and an exhaust cavity in the vertical direction is arranged in the humidification bottle, the exhaust cavity is formed above the humidification cavity, the partition sleeve is rotationally arranged between the horizontal partition plate and the inner bottom wall of the humidification bottle, the humidification cavity is divided into a plurality of independent annular cavities from inside to outside through the partition sleeve, and the annular cavities are communicated with the horizontal partition plate. A flow path adjusting assembly is arranged between every two adjacent separation sleeves. According to the humidifying device for medical oxygen delivery, the annular channel is formed in the humidifying bottle, the oxygen humidifying time is prolonged, the oxygen humidifying time is adjusted by adjusting the oxygen flowing path, and then the oxygen humidity is adjusted.

The invention relates to the technical field of oxygen uptake tubes, in particular to a PVC sterile oxygen uptake tube and an oxygen uptake tube adapter, the PVC sterile oxygen uptake tube comprises a PVC sterile inner tube, the outer side of the PVC sterile inner tube is sleeved with a PVC sterile outer tube, a PVC connecting strip is fixed between the PVC sterile inner tube and the PVC sterile outer tube, a metal wire is inserted into the surface of the PVC connecting strip, double faced adhesive tapes are arranged on the upper side and the lower side of the PVC sterile outer tube, and the PVC sterile outer tube and the PVC sterile outer tube are connected with the PVC connecting strip. Release paper is arranged on the surface of the double-faced adhesive tape, and a buckling groove and a clamping strip are arranged on the left side and the right side of the PVC sterile outer tube respectively; the beneficial effects are as follows: the PVC connecting strip not only realizes the connection effect on the PVC sterile inner tube and the PVC sterile outer tube, but also meets the buffering effect when the PVC sterile outer tube applies pressure to the PVC sterile inner tube, and is matched with the metal wire to realize the shaping effect on an anti-blocking oxygen delivery channel after the PVC sterile inner tube is bent; the PVC sterile outer pipe not only achieves the anti-scraping protection effect on the PVC sterile inner pipe, but also achieves the compression-resistant buffering effect on the PVC sterile inner pipe, and the PVC sterile inner pipe is bonded and fixed through the cooperation of the double-faced adhesive tape, so that the PVC sterile pipe is rich in function.

The invention belongs to the technical field of medical instruments, and discloses an oxygen-adding atomization inhaler for treating interstitial lung disease, which comprises a respirator assembly, an oxygen bottle, a liquid medicine box, a waste liquid collecting box, an atomization pump, a negative pressure suction pump and a monitoring mechanism, the respirator assembly is connected with the oxygen bottle; the liquid medicine box is communicated with the oxygen bottle; a medicine mist supply pipe is arranged on the respirator assembly; the respirator assembly is slidably provided with a buccal device; an atomizing pump is arranged on the liquid medicine box; the atomizing pump is connected with the medicine mist supply pipe and the mouth holding device; a negative pressure suction pump is arranged on the waste liquid collecting box; the respirator assembly is provided with a sputum suction hose; and a monitoring mechanism is fixedly arranged on the liquid medicine box. According to the device, the mouth holding device or the medicine mist supply pipe can be selected for oxygen adding atomization inhalation treatment, abnormal conditions of a patient can be found in time, data of a plurality of monitoring indexes are integrated for fusion and analysis, potential risks are found in time, and when it is monitored that the patient has dyspnea, medicine feeding is automatically stopped, oxygen conveying is started, and sputum can be cleared in time.

A self-regulating oxygen delivery system (100) for COPD, comprising: an oxygen source designed to provide medical oxygen; a sensor module configured to record physiological parameters such as oxygen saturation (SpO2), respiratory rate and pulse rate; a microcontroller-based control unit that is functionally connected to the sensor module and the oxygen source; and an intelligent flow control mechanism controlled by the microcontroller, the system automatically adjusts the oxygen flow in real time based on the recorded physiological parameters to maintain optimal oxygen saturation levels.

The present application relates to the technical fields of iodine removal of crude salt, and discloses a high-efficiency and energy-saving iodine removal device for crude salt, which comprises a salt dissolving pool assembly, a reagent tank assembly, a reaction tank assembly, a combustion tank assembly and an adsorption tower assembly, mainly solves the problems of low iodine removal efficiency and high energy consumption in the prior art, by injecting fresh brine into the salt dissolving pool, driving the ultrapure water metering pump to dilute, opening the stirring motor to disturb and pre-oxidize the brine, driving the hydrochloric acid metering pump to adjust the pH of the brine, driving the water inlet pump to inject the brine into the reaction tank, adding hydrogen peroxide by the hydrogen peroxide metering pump, opening the ultrasonic vibrator and the aeration ring, and through the synergistic effect of cavitation and micro-bubble aeration, the oxidation reaction is strengthened, the oxygen generated by the reaction is transported to the combustion chamber to mix and burn with hydrogen, the heat energy generated by the combustion is converted into electricity by the thermoelectric generator to supply power to the ultrasonic vibrator, the ultrapure water in the cold liquid cavity absorbs the waste heat to warm up and preheat the salt dissolving, and after the oxidation reaction is completed, the brine is collected into the adsorption tower assembly for adsorption, so that the content of iodine in the crude salt is efficiently removed.

An oxygen supply pipeline for an oxygen pressure regulator, relating to the technical field of pressure reducing devices, includes a connecting cap, a connector, an oxygen supply hose, and an anti-disconnection device. The anti-disconnection device comprises a quick-connect socket, a locking plate, and a locking spring. The locking plate and locking spring cooperate to achieve automatic locking, preventing oxygen supply interruption. The connecting cap communicates with the low-pressure chamber of the oxygen pressure regulator via a safety valve. The safety valve includes an output housing, a valve core, a pressure adjusting screw, and a pressure adjusting spring, ensuring normal oxygen delivery and preventing safety accidents caused by excessive pressure. This utility model's oxygen supply pipeline has a simple structure, is easy to assemble, has low production costs, and can effectively improve the continuity, stability, and safety of oxygen supply, meeting the oxygen supply needs of different scenarios.

A system for measuring cardiovascular data includes an elongate member having a channel, a first expandable member carried by the elongate member and movable between a collapsed state and an expanded state by adjustment initiated externally of a subject, a first sensor disposed on a surface of the elongate member, second and third sensors disposed on a surface of the first expandable, a first optical sensor located at a first location in relation to the distal end of the elongate member and configured for obtaining photoplethysmographic data, and wherein the first expandable member in its expanded state is configured to interface with the subject's larynx for delivery of at least oxygen gas into the respiratory system of the subject, and the second and third sensors are configured to contact tissue in proximity to the larynx when the first expandable member is in its expanded state.

The newborn first-aid radiation table comprises a bottom plate and a supporting column arranged on the top of the bottom plate, a heat preservation bed is arranged on one side of the supporting column, and a plurality of drawers are arranged on the other side of the supporting column. The side, connected with the supporting column, of the heat preservation bed is a narrow side, and the drawer corresponds to the narrow side, connected with the supporting column, of the heat preservation bed. According to the newborn first-aid radiation table, the position of the improved drawer corresponds to the narrow side, connected with the stand column, of the heat preservation bed, so that the heat preservation bed completely reserves the use space of the two wide sides, and the standing position of medical staff cannot be affected by the drawer drawing action; according to the design, the standing process of first-aid personnel such as anesthetists, pediatrics, midwives and operation nurses cannot be affected by taking articles, and the first-aid personnel can take various first-aid medicines and articles at the first time and carry out first-aid operations such as oxygen supply, dosing, sputum suction, cardiopulmonary resuscitation and tracheal intubation in time.

The utility model belongs to the technical field of breathing tubes, and particularly relates to a telescopic water accumulation prevention breathing tube for a breathing machine. According to the technology, two corrugated breathing tubes and two connecting tubes are included, the two connecting tubes are located between the corrugated breathing tubes at the two ends, fixing tubes penetrating through the connecting tubes are arranged on the two corrugated breathing tubes and correspond to the two connecting tubes, the fixing tubes are rotationally connected with the connecting tubes, a guide tube of a Y-shaped structure is arranged between the two connecting tubes, and the guide tube is connected with the two connecting tubes. The two water inlet ends of the guide pipe are connected and communicated with the two connecting pipes, the water outlet end of the guide pipe is in threaded connection with a water accumulation bottle used for collecting water accumulated in the corrugated breathing pipe, and a sealing assembly used for dredging or blocking the water outlet end of the guide pipe is arranged at the water outlet end of the guide pipe. According to the corrugated breathing tube, accumulated water in the corrugated breathing tube can be well collected, meanwhile, the sealing performance of the corrugated breathing tube is ensured, and the oxygen supply effect of the corrugated breathing tube is ensured.

The invention discloses a portable emergency breathing device, belongs to the technical field of emergency breathing, and aims to solve the problem that a corrugated pipe in the portable emergency breathing device is prone to being accidentally bent and extruded during use, and then the oxygen supply effect is affected. The portable emergency breathing device comprises a suitcase, a monitoring displayer is arranged in the suitcase, and a power source is arranged in the suitcase; an air supply assembly is arranged in the suitcase, a connecting pipe is arranged in the suitcase, a breathing machine is arranged in the suitcase, a telescopic assembly is arranged in the suitcase, an oxygen inhalation assembly is arranged in the suitcase, and a monitoring assembly is arranged in the suitcase. In case of failure, the bottom holding assembly automatically opens a standby passage, oxygen delivery interruption is avoided conveniently without manual intervention, the emergency reliability is improved through double guarantee, and the device adapts to pipeline accidents in emergency movement.

The utility model belongs to the technical field of ozone generating devices, and particularly provides an ozone generating tube with uniform oxygen feeding, which comprises a metal discharge tube provided with annular grooves for uniformly conveying oxygen, and the annular grooves are symmetrically arranged at two ends of the metal discharge tube; the first end cover is mounted at one end of the metal discharge tube; the second end cover is mounted at the other end of the metal discharge tube, and the second end cover and the first end cover are symmetrically arranged; the quartz tube is sleeved on the metal discharge tube, and an annular gap is formed between the quartz tube and the metal discharge tube; the radiating fin is arranged on the outer surface of the quartz tube in a sleeving manner and is fixedly connected with the quartz tube through a bolt; and the fixed brackets are arranged at the two ends of the metal discharge tube. The annular groove is formed in the metal discharge tube, after oxygen enters from the oxygen connector, the oxygen can uniformly enter the ozone generation chamber for reaction through the annular groove, and the conversion rate is increased.

The invention discloses a farm manure treatment pond and a laying hen manure treatment method, and relates to the field of sewage treatment equipment. According to the invention, a plurality of uniformly arranged and distributed rotary air distribution pipelines are mounted in the sludge layer of the aeration tank through the air distribution pipe network, and when an aerator supplies air to each rotary air distribution pipeline in the activated sludge layer of the aeration tank through the air distribution pipe network, the rotary air distribution pipelines can be driven by air supply pressure to rotate; oxygen is conveyed into the activated sludge layer in a circular range, the oxygen conveying range can be widened, the oxygen and the activated sludge are fully contacted and mixed, the oxygen supply effect on aerobic bacteria in the activated sludge is improved, the activated sludge layer in the aeration tank can be stirred by the rotary air distribution pipeline, the mixing uniformity of the activated sludge and the oxygen is improved, and the aeration effect is improved. The sewage purification treatment effect is further improved; when the rotary gas distribution pipeline rotates to distribute gas, the swing driving assembly can drive the rotary gas distribution pipeline to swing up and down in a reciprocating manner, so that the gas distribution range and the stirring effect of the rotary gas distribution pipeline are improved.

The utility model discloses an aerator for mixing air, oxygen and liquid, which comprises a shell, a driving mechanism and an oxygen conveying component, and the shell is provided with a water inlet and a water outlet; the driving mechanism comprises a driving unit, a transmission shaft and an impeller, the impeller can drive fluid to be output from the water inlet to the shell and sent out from the water outlet, the transmission shaft is a hollow shaft and is provided with an air inlet and an air outlet which are connected to an inner cavity of the transmission shaft, and the air outlet is located at the position corresponding to the impeller; an oxygen outlet of the oxygen conveying assembly is formed in the position corresponding to the impeller or located on a fluid advancing path, when the impeller drives water to flow, negative pressure can be formed at the air outlet, external air is sucked in from the air inlet, the air is continuously sucked in from the air inlet, and meanwhile the oxygen conveying assembly can be used for conveying oxygen. The oxygen conveying assembly can convey oxygen to be mixed with water flow to further improve the dissolved oxygen amount, air, oxygen and water are fully mixed, and therefore the dissolved oxygen amount of the water body is greatly improved, and the problem of layering of the water body of the fishpond can be well solved.

The present invention is a formulation for oxygen delivery for organ preservation comprising a scalable stabilized nanoemulsion, and a method for using it. The nanoemulsion embraces a hydrocarbon lipid; a fluorocarbon or perfluorocarbon; water; a nonionic surfactant; and optionally a quaternary ammonium compound, so that droplets of the nanoemulsion have a droplet size of from about 90 nm to about 120 nm and wherein the diameter of the droplets does not change by more than 20% upon storage for at least 12 months.

The invention discloses a food cereal traditional Chinese medicine ash content detector based on a constant weight method and a detection method thereof, and belongs to the technical field of measuring instruments, the food cereal traditional Chinese medicine ash content detector comprises a support shell, an earthquake isolation balance assembly, a constant temperature and humidity unit, a high temperature furnace, a cooling and drying assembly, a sample transfer mechanism and a control unit; the bracket shell is provided with an upper mounting chamber, a heat insulation area and a constant-temperature and constant-humidity balance chamber from top to bottom; a balance module in the seismic isolation balance assembly is arranged in a constant-temperature and constant-humidity balance chamber; the high-temperature furnace and cooling and drying assembly comprises a heating high-temperature muffle furnace, a furnace cover opening and closing mechanism, an oxygen conveying assembly, a cooling water cooling assembly and a dry gas conveying assembly; the upper end of a weighing rod of the balance module is positioned in the heating high-temperature furnace; the sample transfer mechanism and the cooling water cooling assembly are also positioned in the heating high-temperature furnace; the sample transferring mechanism can realize sample bearing, transferring and accurate weighing; the sample can be heated more uniformly through the rotation of the sample disc; and the control unit is linked with each component to realize full-process automatic detection.

A device for activating the mitochondrion, wherein negative charge and reactive oxygen are delivered from outside to the mitochondrion via a negative charge and reactive oxygen delivery unit to serve as material for the mitochondrial redox reaction; and, wherein a calcium ion channel stimulation unit can stimulate an in vivo calcium ion to transport a protein across a calcium ion on an inner membrane of the mitochondrion into a matrix space of the mitochondrion, whereby an influx of the calcium ion promotes the depolarization of the mitochondrion and increases the activity of mitochondrial oxidative phosphorylation.

The invention relates to a pulse oxygen supply method and device of a breathing machine, computer equipment and a storage medium. The method comprises the steps that in the state that oxygen is supplied to a target user, gas pressure and gas flow velocity parameters output by the breathing machine are obtained; determining first pulse time of the breathing machine according to the gas pressure and the gas flow velocity parameter; adjusting the first pulse time according to breathing data input by a target user to determine second pulse time; and performing pulse oxygen supply according to the second pulse time of the breathing machine. The first pulse time matched with the target user is determined according to the gas pressure and gas flow rate parameters output by the breathing machine, the accuracy of the first pulse time and the matching degree with the target user are improved, and on the basis of the first pulse time, the first pulse time is adjusted according to the breathing data, so that the user experience is improved. And the reliability and the accuracy of the finally obtained second pulse time are improved.

The invention discloses a portable oxygen therapy device for nursing in the technical field of medical equipment. The portable oxygen therapy device is formed by hinging a main cabin body and an auxiliary cabin body through a hinge mechanism; an anti-bending oxygen catheter comprises a silicone tube body and a spiral supporting wire embedded in the tube wall. The quick connection system comprises a magnetic butt joint and a self-locking buckle linked with the magnetic butt joint; and a blood oxygen monitoring module. The main cabin body and the auxiliary cabin body can be turned over by 180 degrees through a double-shaft spring hinge, and the size is reduced by 58% after folding; according to the anti-bending oxygen catheter, the structure that the spiral nylon supporting wires are embedded in the silica gel is adopted, and the bending service life is longer than 500 times; the quick connection system integrates a magnetic butt joint (the blind insertion success rate is 98.7%) and a self-locking buckle (the leakage rate is smaller than 0.3 L / min); the device solves the problems that traditional oxygen therapy equipment is heavy, easy to damage and complex to operate through structural innovation, and is suitable for pre-hospital first aid, disaster rescue and other scenes.

The utility model relates to the technical field of oxygen supply equipment, and discloses a hospital oxygen supply equipment oxygen flow difference monitoring alarm device which comprises a bottom plate, the front end and the rear end of the upper surface of the bottom plate are fixedly connected with a connecting frame and a storage box respectively, and a PLC control panel is arranged on the upper portion of the outer wall of the front end of the connecting frame. When the oxygen supply equipment for the hospital is used, a standby oxygen tank can be conveniently placed in advance through the storage groove, the buckle body and the buckle lock can be conveniently opened by opening the cover plate to take out the oxygen mask, the oxygen tank is opened by clamping the mask connector with the connector and clamping the oxygen output head with the oxygen conveying head, and then the oxygen mask can be taken out. The oxygen tanks, the hoses and the oxygen mask are integrated into the whole oxygen supply equipment, the self-locking universal wheels are conveniently pushed through the push rod to drive the whole oxygen supply equipment to be conveyed, and the oxygen supply equipment can be easily pushed to the side of the patient.

This invention discloses an oxygen concentrator, a multi-data synchronous detection system, and a detection method for measuring the oxygen concentration and gas flow rate on the oxygen delivery pipeline of the oxygen concentrator. The system includes a mounting base, a concentration sensing unit, and a flow sensing unit. The mounting base is installed on the gas delivery pipeline of the oxygen concentrator and includes a main pipeline and a bypass pipeline. The concentration sensing unit is located inside the main pipeline, and the flow sensing unit is located inside the bypass pipeline. The bypass pipeline is located on one side of the main pipeline, allowing gas entering the main pipeline to be diverted to the bypass pipeline. This invention uses two sensors in parallel to reduce measurement errors caused by different detection sequences.

The utility model provides an oxygen pillow assembly and a connector applied to an oxygen pillow, the oxygen pillow assembly comprises an oxygen storage bag body, an air delivery pipe, a regulating valve, the connector and an end cover, the oxygen storage bag body is provided with an air outlet hole, and the outer surface of the oxygen storage bag body is provided with a circle of reinforcing side band; the air delivery pipe is fixed at the air outlet hole so as to be communicated with the oxygen storage cavity of the oxygen storage bag body through the oxygen pipe; the adjusting valve is arranged on the gas conveying pipe, so that the on-off of the gas conveying pipe is adjusted through the adjusting valve; one end of the connector is detachably connected with the gas conveying pipe, and the other end of the connector is detachably connected with an external oxygen conveying pipeline; the end cover is fixed on the reinforcing side band and detachably connected with the other end of the connector, and when the oxygen storage bag body is standby, the other end of the connector can be connected to the end cover to prevent the oxygen storage bag body from leaking air. The oxygen pillow has the technical effects that the sealing performance of the oxygen pillow can be improved, the oxygen storage time is prolonged, and the service life of the oxygen pillow assembly is prolonged.