92 results about "Delivery oxygen" patented technology

An apparatus includes a nasal cannula having a nasal prong. The nasal prong includes a first end portion that defines an inlet opening, a second end portion that defines an outlet opening, and a middle portion. A side wall of the nasal prong defines a flow passage between the inlet opening and the outlet opening. The nasal prong is configured to be inserted within a nostril of a patient with the outlet opening disposed within the nostril. The inlet opening is fluidically coupled to a support tube to deliver a flow of the gas into the airway of the patient via the nasal prong. The side wall of the nasal prong defines a port that is in fluid communication with the flow passage. The port is fluidically coupled to a pressure sensor to take a series of pressure measurements within the flow passage during the delivery of the oxygen-containing gas.

The invention relates to the technical field of respirator masks, and particularly discloses a noninvasive respirator mask auxiliary fixing device which comprises a machine body, an air delivery pipe and a mask, one end of the air delivery pipe is connected to the machine body, the air delivery pipe is used for delivering oxygen, the mask is connected to the other end of the air delivery pipe, and the mask is worn on the face of a patient to form a closed air path space. The fixing rope is connected to the mask and used for fixing the mask, the judging assembly is connected to the mask, when a patient is treated, the judging assembly is used for monitoring whether the mask is sealed or not and judging whether the gas conveying pipe is blocked or not, and in the using process, the sealing state of the mask can be monitored in real time, oxygen leakage is prevented, and the mask is prevented from leaking. The adjusting assembly is connected to the mask and connected with the fixing rope, the adjusting assembly is used for adjusting the tightness degree of the fixing rope, and when the judging assembly judges that the mask leaks air, the adjusting assembly is started and adjusts the tightness degree of the fixing rope.

The invention discloses a handheld oxygen generator in the field of oxygen generation equipment, which comprises an air pump assembly, an air inlet assembly, an air outlet assembly, molecular sieve tanks and an oxygen storage tank, a pressure preparation gas tank is arranged on a gas path structure between the two molecular sieve tanks and the oxygen storage tank, and oxygen-enriched gas adsorbed by the molecular sieve tanks firstly enters the pressure preparation gas tank to be stored and then enters the pressure preparation gas tank to be stored; and after the gas in the pressure preparation gas tank reaches the required pressure, the gas enters the oxygen storage tank. In the oxygen production process, gas can generate standby pressure in the standby pressure gas tank, so that the pressure of the molecular sieve tank is kept in a high-pressure range, the adsorption capacity of the molecular sieve on nitrogen in air is improved, the oxygen content of the oxygen production gas is improved, and the oxygen production amount can still be met under the condition that the filling amount of the molecular sieve is reduced; therefore, the sizes of the molecular sieve tank and the whole oxygen generator are reduced. In addition, oxygen is collected through the pressure preparation gas tank, oxygen is conveyed to the oxygen storage tank after certain pressure preparation is achieved, oxygen in the oxygen storage tank can be promoted to be collected, the pressure is increased, and the oxygen output requirement in the oxygen using state is met.

This disclosure includes wound dressings and systems with remote oxygen generation for topical wound therapy and related methods. Some systems include a dressing for facilitating delivery of oxygen to the target tissue, the dressing having: a first manifold that defines a plurality of gas passageways and is configured to allow communication of oxygen to the target tissue; a gas-occlusive layer configured to be disposed over the first manifold and coupled to tissue surrounding the target tissue such that: an interior volume is defined between the gas-occlusive layer and the target tissue; and the gas-occlusive layer limits escape of oxygen from the interior volume between the gas-occlusive layer and the tissue surrounding the target tissue; a container outside the interior volume, the container having a sidewall that defines a chamber configured to be in fluid communication with the interior volume; and an oxygen-generating material disposed within the chamber of container and configured to release oxygen when exposed to water.

The utility model relates to the technical field of medical oxygen generating equipment, and discloses medical oxygen generating equipment with good energy-saving effect, which comprises a bottom plate, an air compressor, a drying device, a first pipeline and an adsorption mechanism, the adsorption mechanism comprises molecular sieve adsorption towers symmetrically arranged at the upper end of the bottom plate, and baffles are arranged in the molecular sieve adsorption towers. A first cavity and a second cavity are symmetrically formed in the molecular sieve adsorption tower relative to the baffle, a second pipeline is arranged on one side of the molecular sieve adsorption tower, and a third pipeline is arranged on the side, away from the second pipeline, of the molecular sieve adsorption tower. According to the utility model, the molecular sieve adsorption tower is divided into the first cavity and the second cavity through the baffle plate, then gas is respectively conveyed into the first cavity and the second cavity through the second pipeline and is adsorbed through the first filler block and the second filler block, and then oxygen is conveyed through the cooperation of the third pipeline and the fourth pipeline; therefore, the molecular sieve filler block is fully utilized, and redundant energy consumption is avoided.

The utility model discloses a closed oxyhydrogen fuel cell power generation system which comprises a fuel cell stack and a circulating pump, the fuel cell stack is respectively connected with the circulating pump, an oxygen tank and a hydrogen tank, oxygen is conveyed to the fuel cell stack through the oxygen tank, hydrogen is conveyed to the fuel cell stack through the hydrogen tank, and the circulating pump is connected with the circulating pump. And cyclic utilization of oxygen is realized through the circulating pump. According to the utility model, the unreacted oxygen is recycled through the circulating pump, the pressure of the oxygen and hydrogen before entering the fuel cell stack is monitored while the oxygen and hydrogen are conveyed, and the opening degrees of the oxygen inlet electromagnetic valve and the hydrogen inlet electromagnetic valve are regulated according to the pressure; the problem of backflow caused by too large oxygen pressure of a circulation path before oxygen enters a reactor is solved by arranging a first check valve, gas pumped by a four-way connector cannot reversely flow into a circulation pump by arranging a second check valve, and a hydrogen pulse discharge electromagnetic valve and an oxygen pulse discharge electromagnetic valve are designed to be intermittently opened; hydrogen and oxygen can fully react, and the gas utilization rate is increased.

The invention discloses electronic integrated chip manufacturing equipment and a preparation method thereof in the technical field of electronic integrated chips, and the equipment comprises a box body and a partition plate, the partition plate is arranged in the box body, a plurality of strip-shaped holes are embedded in the surface of the partition plate, a sliding rail is arranged on one side of the partition plate, a wafer is arranged in the sliding rail, and a heating wire is arranged on one side of the partition plate. The two partition plates are arranged on the two sides of the box body respectively, a temperature sensor is arranged on one side of each partition plate, an alarm is arranged on the top of the box body, the alarm is electrically connected with the temperature sensors, and an oxygen generator is arranged on the top of the box body. The partition plates, the strip-shaped holes, the sliding rails, the wafers, the heating wires, the temperature sensors, the alarm and the oxygen generator are arranged, and the heating wires are arranged on the two sides of the box body; therefore, the wafer is uniformly heated during heating, the product quality can be effectively improved, the oxygen generator can convey oxygen into the box body during heating, the oxidation speed of the wafer is increased, silicon dioxide is rapidly generated on the surface of the wafer, and the production efficiency is improved.

The invention provides semi-solid slurry preparing and forming integrated equipment, and relates to the technical field of metal casting, the semi-solid slurry preparing and forming integrated equipment comprises a heating cavity, a heating coil is arranged on the outer side of the heating cavity, a stirring shaft is arranged in the heating cavity, a piston cylinder body is fixedly installed above the heating cavity, and an air exchange hole is formed in the piston cylinder body; a spiral condensation plate is arranged in the piston cylinder body, a sealing piston is installed in the piston cylinder body in a sliding mode, a pressure adjusting mechanism is arranged above the heating cavity, and the pressure adjusting mechanism can convey oxygen into the heating cavity through cooperation of the sealing piston and the piston cylinder body. The sealing piston is driven by the air cylinder to be matched with the piston cylinder body, in cooperation with the real-time monitoring and signal transmission functions of the pressure detection meter, gas can be automatically conveyed into the heating cavity, the pressure is kept stable, the sealing ring on the sealing piston guarantees the sealing effect, the pressurization one-way valve prevents airflow from flowing back, and pressure is rapidly supplemented when the pressure is lower than a preset value.

The utility model relates to a combustion head assembly and a coiled tubing, the combustion head assembly comprises a combustion head, the combustion head is provided with a combustion-supporting channel used for conveying combustion-supporting gas, the combustion head is provided with an oxygen channel used for conveying oxygen, and the combustion head is provided with an electric ignition device; the protective cover comprises a cover body, the cover body is arranged at the end, provided with the electric ignition device, of the combustion head, the cover body is provided with a containing space used for containing the electric ignition device, and the cover body is provided with a first hole communicated with the containing space. The protective cover can prevent the electric ignition device of the combustion head from being damaged by the impact force of the sleeve, the first hole is formed in the cover body, it can be ensured that combustion-supporting gas is released to an underground gasification reaction area through the first hole, meanwhile, the gas can be prevented from being ignited in a sealed environment to cause explosion, and the safety of the combustion process is improved.

The utility model provides a positive pressure breathing mask, which relates to the technical field of breathing masks, and comprises a mask body, an air inlet pipe is arranged on one side of the mask body, a reinforcing device is arranged on one side of the air inlet pipe, the reinforcing device comprises a frame, a connecting device is arranged between the frame and the air inlet pipe, and the connecting device is connected with the air inlet pipe. Two first threaded holes are symmetrically formed in the surface of the frame, screw rods are in threaded connection with the inner walls of the two first threaded holes, clamping plates are rotationally connected to the close ends of the two screw rods, and a plurality of rubber strips are fixedly connected to the close sides of the two clamping plates; by arranging the reinforcing device, the air pipe can be clamped and limited, the situation that the joint of the air pipe and the air inlet pipe is loosened and the air pipe is separated from the interior of the air inlet pipe to affect oxygen supply due to the fact that the air pipe is pressed to displace when conveying oxygen to the mask body is reduced, and the connection stability of the air pipe and the air inlet pipe is improved.

The utility model provides a kind of adjustable seed cultivation box, it is related to agricultural engineering technical field, including seed cultivation box, the inside of seed cultivation box is provided with seed cultivation adjusting assembly, the upside of seed cultivation tray is provided with three-way atomizing nozzle, the inside rear end of seed cultivation box is provided with moisture absorbing sponge, the left and right sides of fixed support are all provided with electric control light supplementing lamp, the inside top end of seed cultivation box is equipped with bus controller;According to the demand of seed growth stage to illumination, bus controller will control electric control light supplementing lamp automatic regulation illumination intensity and irradiation time, and electric control light supplementing lamp can be from two sides respectively seed in seed cultivation tray is irradiated, reduce illumination dead angle, cooperate oxygen content inductor real-time monitoring box oxygen concentration, if lower than set value, oxygen supply pump is automatically started, oxygen is transported to the box by oxygen supply port, ensure that seed is in sufficient oxygen environment Healthy growth, improve germination rate.

The utility model relates to an oxygen bag flow adjusting device which comprises an oxygen bag body and an adjusting mechanism, a connecting pipe is arranged on the oxygen bag body, and a connecting sleeve is arranged at one end of the connecting pipe. Wherein the adjusting mechanism comprises an oxygen conveying pipe, a flow meter and a valve body are arranged on the oxygen conveying pipe, an adjusting rod is rotationally arranged in the valve body, a connecting frame is arranged on the upper end face of the valve body, and a ball valve element is arranged at one end of the adjusting rod. According to the oxygen bag flow adjusting device, by arranging the adjusting mechanism, when the oxygen bag body is used for conveying oxygen, a rotary knob is pressed downwards, so that a connecting groove formed in the rotary knob is connected with a limiting strip arranged on the outer side of an adjusting rod, then the rotary knob is rotated to drive a ball valve element connected with the adjusting rod to rotate, and therefore the effect of adjusting the oxygen flow is achieved; the situation that in the using process of the oxygen bag body, flow adjustment of the oxygen bag body changes due to the fact that the knob is accidentally touched is reduced.

This invention discloses an electrolytic water hydrogen-oxygen welding and cutting device, relating to the field of flame welding and cutting technology. The device includes a reaction assembly, a movable base, and a support assembly. It further includes: a shell mounted on the support assembly, containing an inner tube for hydrogen delivery; a sleeve on the outer side of the inner tube; a gap between the sleeve and the inner tube forming an oxygen delivery chamber; and a gap between the sleeve and the shell forming a cooling chamber; and a connector fixed to the lower end of the shell, containing an annular cavity communicating with the cooling chamber; and an outlet nozzle installed at the bottom of the connector. Through the coaxially nested inner tube, sleeve, and shell, hydrogen delivery, oxygen delivery, and water mist are isolated, achieving complete physical separation of fuel, combustion aid, and cooling medium during the delivery stage. This fundamentally eliminates the risk of pre-mixing combustible gases within the pipeline, strictly limiting the mixing point to a safe area outside the welding nozzle, significantly improving the safety level during equipment use.

This utility model relates to the field of bronchoscopy technology, specifically a bronchoscopy structure that improves practicality. It includes a tracheal section with several vent holes for oxygen delivery on its sidewalls, which are inserted into the trachea. The tracheal section has a through-tube inside. A handle is fixedly attached to the end of the tracheal section outside the body. A cavity is located inside the handle, and the cavity and the tracheal section's tubes are interconnected. An extension tube is connected through the sidewall of the handle, with one end penetrating the cavity of the handle. An oxygen delivery tube is inserted into the extension tube, passing through the tracheal section's tubes and extending to the end of the tracheal section away from the handle. The oxygen delivery tube passes through the tubes and exposes vent holes at different locations to deliver oxygen.

The invention relates to the technical field of medical instruments, and discloses a portable folding type breathing air bag device which comprises a breathing mask and connecting plates, a conveying pipe is arranged outside the breathing mask, a filter element is arranged in the conveying pipe, the other end of the conveying pipe is connected with a switching valve, and two contraction air bags are arranged between the two connecting plates. The tops of the two contraction air bags are connected with an air inlet pipe and an expiration pipe in a sealed mode respectively, the other end of the air inlet pipe and the other end of the expiration pipe are connected with a switching valve, the switching valve comprises a three-way spherical shell, a rotating ball valve, a rotating piece, a communicating pipe and a flow dividing pipe, the rotating ball valve comprises a valve body, and an air flow channel and an arc-shaped flow channel are formed in the valve body. A plurality of movable cavities are formed in the valve body, and one ends of the movable cavities communicate with the arc-shaped flow channel. According to the oxygen inhalation device, the oxygen conveying efficiency in the inhalation process is guaranteed, the cleanliness of conveyed oxygen is improved by means of the filtering characteristic of the filter element and the one-way conduction characteristic of the one-way valve, and sufficient and pure oxygen support is provided for a patient.

The application provides a system for accelerating deterioration of diesel oil in a storage state and a method for preparing deteriorated diesel oil, and relates to the technical field of fuel property detection for internal combustion engines. The system for accelerating deterioration of diesel oil in a storage state comprises a reaction kettle, an internal space of the reaction kettle is formed as a containing cavity, the containing cavity is configured to contain diesel oil, a catalyst wire mesh is installed at the upper part of the reaction kettle and located in the containing cavity, and is suitable for accelerating the speed of the deterioration reaction of the diesel oil; and a supply unit is configured to respectively supply oxygen and inert gas to the containing cavity according to preset delivery pressure and delivery flow rate, the oxygen is suitable for the deterioration reaction with the diesel oil in the atmosphere of the inert gas, and the time for preparing the deteriorated diesel oil can be shortened.

The invention relates to a method and system for controlling oxygen delivery in a flow therapy device. The present disclosure provides a control system for a flow therapy device. The control system may control a delivery oxygen fraction (FdO2) delivered to the patient. The control system may maintain FdO2 at a target level during a treatment session. The control system may automatically control the oxygen inlet valve in order to control the flow of oxygen to the patient.

The utility model provides a monascus solid-state fermentation device, which belongs to the technical field of fermentation devices and comprises a fermentation tank, a feeding gate plate is mounted on one side of the fermentation tank through a slide rail, a discharging chute is welded on the other side of the fermentation tank, one end of the discharging chute is connected with a sealing door through a rotating shaft, a top plate is clamped at the top of the fermentation tank, and an aeration disc is arranged below the top plate. The top plate is provided with a ventilation pipe and an atomization nozzle, a stirring rod is arranged between the aeration disc and the top plate, and through the arrangement of the stirring rod, the ventilation pipe and the atomization nozzle, a user can stir, ventilate and humidify materials after knowing the environment condition in the fermentation tank, so that the temperature and humidity stability of the fermentation tank is ensured, and the reliability of the device is improved; meanwhile, after the materials are stirred, a user can convey oxygen to the materials in the fermentation tank through the aeration disc, so that the contact area between the red yeast rice and the oxygen is increased, and the fermentation efficiency of the device is improved.

The invention discloses a nano oxygen delivery preparation for enhancing physical ability in an anoxic environment as well as a preparation method and application of the nano oxygen delivery preparation, and belongs to the technical field of biological medicines. The nano oxygen delivery preparation disclosed by the invention is oxygen nano bubbles; the oxygen nanobubbles are wrapped by a polymer or lipid; the polymer is at least one of polyoxyethylene polyoxypropylene block polyether, polyacrylic acid, fatty alcohol polyoxyethylene ether, alkylphenol polyoxyethylene ether, fatty acid polyoxyethylene ester, sorbitol ester polyoxyethylene ether and sorbitan fatty acid ester; the lipid is phospholipid. The P-ONBs prepared by the invention has strong stability in an aqueous solution, can continuously convey oxygen, and is beneficial to reversion of reduction of blood oxygen saturation in an anoxic environment, improvement of mitochondrial dysfunction of a cell model, enhancement of physical fitness condition of an animal model and improvement of biological safety of a preparation; the requirement on equipment is low, large-scale high-end equipment is not needed, the preparation process is simple, convenient and feasible, and large-scale production is facilitated.

The utility model provides an oxygen delivery device for aquaculture, and belongs to the technical field of aquaculture. The oxygen conveying device for aquaculture comprises an adjusting assembly and an oxygen conveying assembly, firstly, an oxygen conveying effect can be achieved in a water tank through an oxygen generator, an oxygen conveying pipe and an oxygen supply head, a moving plate can be moved through a driving part, and the moving plate enables the oxygen conveying pipe to move upwards through a first guide wheel in the moving process; the height of the oxygen supply head can be adjusted, and the height of the oxygen supply head can be selected according to the water depth and the oxygen demand, so that when the oxygen supply head is in contact with the elastic plate, the oxygen supply head is moved out of the water surface, and the oxygen supply head can be conveniently checked and maintained; the height of the oxygen conveying pipe and the height of the oxygen supply head can be conveniently adjusted according to the water depth and the oxygen demand, the applicability is high, meanwhile, the oxygen supply head can be conveniently checked and maintained, labor force is relieved, and therefore the practicability is improved.

This application provides a coking oven syngas generator and a syngas preparation method. The coking oven syngas generator includes a carbonization chamber, a reforming chamber, and a heat-conducting structure. The carbonization chamber is used to carbonize coking coal and produce raw coal gas. The reforming chamber is arranged adjacent to the carbonization chamber and is used to receive the raw coal gas produced by the carbonization chamber. The reforming chamber is provided with an oxygen inlet for supplying oxygen into the reforming chamber. The reforming chamber is configured such that the oxygen and the raw coal gas undergo an incomplete combustion reforming reaction inside it to generate syngas and release heat. The heat-conducting structure is disposed between the carbonization chamber and the reforming chamber, and is used to conduct the heat from the reforming chamber to the carbonization chamber to heat the carbonization chamber.

To provide a pharmaceutical composition for use in administering oxygen to a subject, a kit, an administration control device, and an administration method.SOLUTION: Provided is a pharmaceutical composition comprising a perfluorocarbon having oxygen dissolved therein, for use in administering oxygen to a subject. Also provided is a pharmaceutical composition comprising a perfluorocarbon for use in lowering the partial pressure of carbon dioxide in the blood of a subject.SELECTED DRAWING: None

The invention relates to the technical field of bio-enzyme catalytic synthesis, and discloses a bio-enzyme catalytic synthesis reaction device which comprises a reaction tank, and a stirrer used for stirring bio-enzyme is rotatably connected to the interior of the reaction tank. A motor used for driving the stirrer to rotate is fixedly connected to the center of the bottom of the reaction tank, the tail end of a rotor of the motor is coaxially and fixedly connected with the stirrer, and a heat removal assembly used for automatically removing heat is arranged in the reaction tank; two groups of oxygen conveying assemblies for conveying oxygen into the reaction tank are symmetrically arranged outside the reaction tank, and water squeezing assemblies for squeezing absorbed water vapor are arranged on the oxygen conveying assemblies. According to the device, the problem that the activity of the biological enzyme is reduced due to the fact that the temperature in the device is easily increased due to the fact that a large amount of heat is released during the catalytic synthesis reaction of the biological enzyme is effectively avoided.

Described herein are methods and devices for monitoring oxygen delivery to a patient using an oxygen supply system. The method comprises receiving air flow pressure data, the air flow pressure data indicating pressure measured in a flow channel of a delivery device configured to be connected to an oxygen supply device for delivering oxygen to the patient in a predetermined time period; processing the air flow pressure data to determine one or more oxygen delivery states associated with the air flow pressure data; and monitoring oxygen delivery to the patient based upon the one or more oxygen delivery states.

An oxygen delivery device 100 comprising an interface 102 for delivering oxygen to the mouth and / or nose of a patient, an oxygen conduit 104 for delivering oxygen from a supply to the interface, a therapeutic conduit 106 for delivering a therapeutic agent to the interface and / or the oxygen conduit from a reservoir 108. The reservoir may comprise a heater. The device may comprise a therapeutic agent sensor for detecting concentration of the therapeutic agent downstream of the reservoir. The therapeutic conduit may comprise a cutoff valve downstream of the reservoir. FIG. 1

The utility model discloses a fermentation tank for preparing fruit and vegetable enzyme drinks, and relates to the technical field of fermentation tanks for preparing fruit and vegetable enzyme drinks, the fermentation tank comprises a fermentation tank main body, the fermentation tank main body is movably connected with a fixed pipe, the fixed pipe is fixedly connected with four groups of stirring rods, and the four groups of stirring rods are fixedly connected with a first air outlet pipe; the fixed pipe is fixedly connected with a second air outlet pipe, and the bottom end of the fixed pipe is fixedly connected with two groups of stirring plates. Through the combination of the fixing pipe, the stirring rod, the first air outlet pipe, the second air outlet pipe and the stirring plate, the effect that the fixing pipe rotates is achieved, and therefore the effect that the fixing pipe drives the stirring rod and the stirring plate to rotate is achieved; a stirring rod drives a first gas outlet pipe, and a fixed pipe drives a second gas outlet pipe to rotate, so that the effect that an aeration pump conveys oxygen into the fermentation tank main body is achieved.

This utility model provides an anti-clogging device for the ventilation and dissolved oxygen structure of a fermentation equipment, belonging to the field of fermentation equipment. It includes a ventilation duct, a filter pipe in the middle of the ventilation duct, a filter ball inside the filter pipe, and a scraper attached to the surface of the filter ball on one side. This utility model can be used to guide oxygen over the filter ball through a guide plate when oxygen is being transported in the dissolved oxygen structure, causing the filter ball to rotate towards the side with the scraper. When the base surface of the filter ball passes the scraper, the scraper scrapes off impurities on the filter ball and collects them in the collection chamber, ensuring the filtration effect of the filter ball.

The invention relates to an electrolytic bath performance test method and system, an intelligent terminal and a storage medium, and relates to the technical field of electrolytic bath performance test.The method comprises the steps that an electrolyte is electrolyzed through preset high voltage, and oxygen and hydrogen are generated and conveyed to corresponding separation tanks; anode and cathode pressure values are collected, and expected pressure of the separation tank is obtained through calculation; the gas-liquid pressure of each separation tank is adjusted according to the expected pressure, and the pressure difference between the anode and the cathode is smaller than a preset threshold value; and gradually increasing the electrolytic voltage on the basis of pressure balance, repeating the test process until the voltage cannot be continuously increased, and determining the voltage as the limit voltage. The device has the effect of rapidly testing the performance of the electrolytic cell.

The invention relates to a multifunctional bacterial bio-conjugate integrating targeted delivery, oxygen generation, photodynamic therapy and immune activation and a preparation method thereof, CaO2 nanoparticles (CaO2 NPs) are synthesized through a calcium salt deposition method, a photosensitizer chlorin e6 (Ce6) is loaded on the surface of the CaO2 NPs through an ingenious design, then tannic acid (TA) is used for packaging, and the multifunctional bacterial bio-conjugate is prepared. The stable core-shell structure (TAat-CaO2 / Ce6) is obtained. A large number of phenolic hydroxyl groups, aromatic rings and galloyl groups on the surface of TA are utilized to form chemical coupling with rich functional groups on the surface of bacteria, so that the TA is loaded on the surface of the bacteria, and effective combination of a TA-coated CaO2 / Ce6 compound and fusobacterium nucleatum (Fn) is realized; and finally, the multifunctional bacterial bio-conjugate Fn-TA (at) CaO2 / Ce6 integrating targeted delivery, oxygen generation, photodynamic therapy and immune activation is successfully constructed.

The utility model relates to the technical field of oxygen conveying equipment, in particular to an oxygen conveying device which comprises a protection structure, the protection structure comprises a plurality of oval rods, a plurality of connecting rods are fixed among the oval rods, and a first oxygen bag and a second oxygen bag are placed in the protection structure. A three-way pipe is communicated between the first oxygen bag and the second oxygen bag, valves are fixedly installed at the positions of two air inlet pipes of the three-way pipe, and an air outlet pipe opening of the three-way pipe is fixedly communicated with a second hose. According to the utility model, the oxygen bag is placed in the protective structure consisting of the plurality of oval rods and the connecting rod, so that a user can be prevented from accidentally touching and extruding the oxygen bag, and when the oxygen bag I needs to be replaced, the valves on the three-way pipe and the oxygen bag II can be opened, and the valves on the three-way pipe and the oxygen bag I can be closed; the second oxygen bag replaces the first oxygen bag, oxygen is continuously conveyed to a patient in the process of replacing the first oxygen bag, and continuous oxygen conveying in the process of replacing the first oxygen bag is achieved.