39 results about "Supplemental oxygen" patented technology

The invention provides an intelligent oxygen supply method, an intelligent oxygen supply device and an intelligent oxygen supply system. The intelligent oxygen supply method comprises the following steps: S1, acquiring breathing characteristic data of a user; s2, the breathing characteristic data are processed, the difference value of the breathing characteristic data at the first moment and the breathing characteristic data at the second moment is obtained, the ratio k of the difference value to the self-adaptive time window in the corresponding time period from the second moment to the first moment is calculated, the second moment is located before the first moment, and the self-adaptive time window is located in the corresponding time period from the second moment to the first moment. The breathing characteristic data comprises breathing frequency f, and a self-adaptive time window b = 60 / f; and S3, whether oxygen is supplied to the user or not is judged, whether the ratio k is larger than zero or not is judged, and when the ratio k is larger than zero and the breathing frequency f is larger than a preset value, oxygen is supplied to the user, so that when the user needs oxygen supply, oxygen can be supplemented in time, meanwhile, oxygen waste is avoided, and the comfort of the user is improved.

Methods, apparatuses, and systems for mechanically releasing a predetermined amount of supplemental oxygen to a user via a mechanical initiator are disclosed with the release of the amount of supplemental oxygen based on and in response to the combined factors of a user's determined oxygen consumption based on sensing a user's inhalation combined with determining the ambient pressure in the area of the user.

This disclosure relates to systems and methods for monitoring sedated patients that are receiving supplemental oxygen flows. A method of monitoring a patient's breathing while sedated includes identifying an end expiratory pause in the patient's breathing pattern and obtaining a first respiratory signal corresponding to a nasal pressure of a patient. The method may also include delivering a pulse of high-flow oxygen during the end expiratory pause at a rate of about 30 liters-per-minute (L / min) and delivering the pulse of high-flow oxygen during the end expiratory pause for less than 0.5 seconds. The method may further include measuring a peak nasal pressure and a peak oxygen flow and synthesizing a second respiratory signal. The second respiratory signal may correspond to the peak nasal pressure and the peak oxygen flow, and may be normalized for the patient. The method may additionally include determining the patient's breathing pattern, rate, or frequency.

In one aspect, the invention provides methods for treating, inhibiting, alleviating, or preventing acute respiratory distress syndrome, pneumonia, or some other pulmonary or other manifestation of coronavirus infection, such as thrombosis, in a mammalian subject infected with coronavirus, such as SARS-CoV-2. The methods comprise the step of administering to a subject infected with coronavirus an amount of a MASP-2 inhibitory agent effective to inhibit MASP-2-dependent complement activation. In one embodiment, the MASP-2 inhibitory agent is a MASP-2 monoclonal antibody, or fragment thereof that specifically binds to a portion of SEQ ID NO:6. In one embodiment, the MASP-2 inhibitory agent is a small molecule MASP-2 inhibitory compound. In one embodiment, the subject is a human subject suffering from COVID-19-induced acute respiratory distress syndrome (ARDS) and requires supplemental oxygen prior to treatment and the MASP-2 inhibitory agent is administered in an amount sufficient to discontinue the need for supplemental oxygen.

The utility model discloses a medical wastewater dosing treatment device, and relates to the technical field of medical wastewater treatment. The device comprises a treatment barrel, wherein a partition plate is fixedly connected to the top of an inner cavity of the treatment barrel; a mixing assembly is arranged in an inner cavity of the treatment barrel and comprises a stirring rod, and the stirring rod is movably connected to the inner cavity of the treatment barrel. Through the driving of the motor, the stirring rod can be driven to rotate, and meanwhile, the two reciprocating lead screws are driven to rotate through the first belt pulley and the second belt pulley, so that the stirring rod drives the stirring blades to mix wastewater and medicines in the treatment barrel, and the reciprocating lead screws drive the sliding sleeves to reciprocate; according to the waste water treatment device, the medicine can be conveniently and uniformly injected into the treatment barrel, the arc-shaped cleaning plate is driven to clean the inner wall of the treatment barrel, compressed air can be discharged into the treatment barrel through the compressor, waste water and the medicine are mixed, and oxygen is supplemented into the treatment barrel.

Embodiments of a scent diffusing device for enhancing the olfactory experience of users receiving supplemental oxygen are disclosed herein. The device comprises a scent diffuser housing, a scent diffusion mechanism within the housing, and connectors for integration with standard oxygen tubing systems. The scent diffuser housing accommodates a scent diffusion mechanism, which may include a diffuser pad saturated with scent oil. The housing is designed to integrate with standard oxygen tubing systems used in medical facilities and home healthcare settings. The device can be configured to connect directly to the oxygen source via standard oxygen tubing or to be placed in the airflow between the oxygen source and the user's nasal cannula or mask. Importantly, no modification of the existing oxygen tubing, machine, or mask is required for installation. The scent diffusing device offers a solution for delivering scent to individuals using supplemental oxygen, thereby enhancing their sensory experience.

The invention discloses a medical oxygen cabin operation state monitoring, regulating and controlling device and method, and relates to the technical field of medical instruments.The medical oxygen cabin operation state monitoring, regulating and controlling device comprises an oxygen cabin body, an oxygen generation box is arranged on one side of the oxygen cabin body, a cabin door is arranged on the side, away from the oxygen generation box, of the oxygen cabin body, and a monitoring assembly is installed in the oxygen cabin body; a spraying mechanism used for spraying disinfectant is arranged on the inner side of the oxygen cabin body, and oxygen generation mechanisms used for supplementing oxygen are arranged on the top and the inner side of the oxygen generation box. The spraying mechanism is arranged, so that a spraying pipe can move in the up-down direction and the left-right direction, reciprocating swinging operation can be conducted, disinfectant can be conveniently and evenly sprayed to multiple corners in the oxygen cabin, the oxygen supplementing mechanism is arranged, and under cooperation of the monitoring assembly, the oxygen concentration and pressure in the oxygen cabin can be monitored in real time; the problem that the treatment effect is poor due to insufficient oxygen or unstable pressure is effectively solved, and oxygen supplementation and disinfection operation can be conveniently carried out in time according to the running state.

A system 10 for delivery of supplemental oxygen supplies pressurised oxygen via a restrictor 28 and reservoir 30 to a demand valve 20 fitted to a mask 12 that is worn by a user. The mask 12 also inclu

A system for delivering medical gas, such as supplemental oxygen, to a subject includes a positioner and a diffuser. The positioner includes a positioning wall with an aperture that receives and may couple to a proximal portion of the diffuser. The system may also include a pillowcase with one or more fasteners that hold the positioner and a diffuser coupled thereto at a desired location and orientation over a pillow where a subject who is to receive medical gas will place their head. The pillowcase may receive two positioners and associated diffusers. Methods of administering medical gas and methods for maintaining medical gas delivery systems are also disclosed.

The application relates to the technical field of air purification, and in particular to a power plant oxygen supply detection and control device, which comprises an oxygen generator, an oxygen detector, a purification box provided with an air inlet pipe and an air outlet pipe, an air pump arranged on the air outlet pipe, an activated carbon plate arranged in the purification box and located below the air inlet pipe and above the air outlet pipe, and a plurality of partition plates arranged between the activated carbon plate and the air outlet pipe from top to bottom; all the partition plates and the inner wall of the purification box jointly form a snakelike cavity, two ends of the snakelike cavity are located at the activated carbon plate and the air outlet pipe respectively, the snakelike cavity comprises a plurality of arc-shaped cavities arranged in sequence from inside to outside and located on the same axis, a spraying plate is arranged at the top of each arc-shaped cavity, a plurality of spray heads for spraying purification liquid are arranged on the spraying plate, and the projection of the movement track of the purification liquid in the arc-shaped cavity on a vertical plane is coaxially arranged with the arc-shaped cavity. The application can supplement oxygen into a workshop in time and improve the purification effect of waste gas.

The invention relates to a computer implemented method, and a data processing system, for providing decision support in relation to a patient receiving oxygen treatment, the patient having a medical condition requiring a supplemental oxygen device providing an oxygen flow, wherein the decision support assists a health care person in adjusting the oxygen flow from said supplemental oxygen device to the patient, and wherein the decision support uses an arterial oxygenation value to calculate whether the oxygen flow to the patient is sufficient based on a desired input from the health care person.

An oxygen delivery system (70, 150) includes a mask (72) that is configured to seal around a user's mouth and nose, the mask (72) including a demand valve (20) and an air intake valve (74); a reservoir (30); and a restrictor (28, 156); located upstream of the reservoir (30) in a supply line (76, 152) that provides fluid communication between the demand valve (20) and an end that is connectable to a source of pressurised oxygen. The air intake valve (74) includes a piloting chamber (86) that is in fluid communication with the reservoir (30), the air intake valve (74) being opened and closed in accordance with a pressure in the piloting chamber (86).

The invention belongs to the technical field of environment treatment, and particularly relates to water environment treatment equipment which comprises a floating assembly arranged on the water surface; the aeration device is arranged on the floating assembly, and the aeration device is used for supplementing oxygen into the water; the dosing device is arranged above the aeration device, and the liquid outlet end of the dosing device is communicated with the aeration device; the dosing device comprises a suction mechanism and a plurality of liquid storage bottles, the liquid storage bottles are communicated with water pipes, the water pipes are communicated with the aeration device, and the suction mechanism is used for injecting the liquid medicine in the liquid storage bottles into the aeration device. The water body can be aerated and oxygenated through the arranged aeration device, and meanwhile, the arranged suction mechanism is used for sucking the water body deodorant liquid contained in the liquid storage bottle into the aeration device, so that the water body deodorant is uniformly mixed with the water body in the aeration device; the water body can be effectively deodorized while being subjected to aeration treatment, and foul odor can be effectively inhibited.

The utility model discloses a water injector for an oxygen humidification bottle, which is used for supplementing oxygen humidification water into the oxygen humidification bottle and comprises a transparent water supplementing measuring cup, a water pump, a water pump and a water pump, one end of the water delivery hose is fixedly connected with the bottom of the side wall of the water supplementing measuring cup and communicated with the inner cavity of the water supplementing measuring cup, and the other end is an output end; when oxygen humidifying water is supplemented into the oxygen humidifying bottle, the output end of the water conveying hose is detachably inserted into the oxygen conveying port of the oxygen humidifying bottle in a matched mode and is communicated with an inner cavity of the oxygen humidifying bottle. Oxygen humidifying water can be conveniently and quickly injected, and the working efficiency is improved; the oxygen humidification bottle does not need to be detached in the water adding process, the leakproofness of the oxygen humidification bottle is guaranteed, and oxygen using safety of a patient is guaranteed.

The present invention discloses a sewage treatment process for an MBR membrane bioreactor, which includes that sewage successively enters an inlet area and a pre-anoxic area; then respectively enters an anoxic area and an anaerobic area, where denitrification reaction occurs in the anoxic area and phosphorus release reaction occurs in the anaerobic area; afterwards, the sewage converges and successively passes through a first low-oxygen aeration area and a second low-oxygen aeration area, and oxygen is supplemented through an aeration device in both the first low-oxygen aeration area and the second low-oxygen aeration area to carry out nitrification reaction; the sewage after nitrification reaction enters an air-water backwashing sedimentation area, and sedimentation occurs in the air-water backwashing sedimentation area for sludge-water separation; the supernatant of the air-water backwashing sedimentation area enters the MBR membrane area for enhanced treatment. The present invention couples the low-oxygen biological nitrogen and phosphorus removal process with the MBR membrane process into one. These two processes can either operate in series, each forming its own independent microbial metabolism system, or achieve interconnection and integration through a membrane air-lift reflux device to form a complete organic metabolism system.

An extracorporeal membrane oxygenation (ECMO) system for infusing blood with oxygen and for removing carbon dioxide from blood includes an outlet from the oxygen line to share oxygen from the oxygen source as between the system and a nasal cannula or other supplemental oxygen device. The ECMO system may alternatively or in addition capture oxygen-rich exhaust as a by-product of the process. This captured oxygen-rich exhaust would be recycled and shared with a nasal cannula or other supplemental oxygen device. The recycled oxygen-rich exhaust is not only richer in oxygen than air, but also warm and moist which may benefit patients beyond cold and dry oxygen from a direct oxygen source.

The oxygen supply device comprises a first air inlet pipeline, a first exhaust fan is fixedly installed in an inner cavity of the first air inlet pipeline, and a bearing shell is fixedly installed on one side of the first air inlet pipeline and one side of a first air outlet pipeline. A plurality of first exchange pipes matched with the first air outlet pipelines are arranged on one side of an inner cavity of the bearing shell, a plurality of second exchange pipes matched with the first air inlet pipelines are arranged on the other side of the inner cavity of the bearing shell, and connecting assemblies for installing the first exchange pipes and the second exchange pipes are symmetrically arranged on the two sides of the inner cavity of the bearing shell. The bearing shell, the first air inlet pipeline, the first air outlet pipeline, the first exchange pipe and the second exchange pipe are used in a matched mode, heat exchange liquid is stored in the bearing shell, and therefore cold air exhausted from the interior of the first exchange pipe can absorb heat transferred into the exchange liquid by the second exchange pipe; therefore, cold air loss during oxygen supplementation of the refrigeration house is reduced.

The invention relates to the technical field of vehicle engineering, and particularly provides an oxygen concentration control method for a driving room of a vehicle and the vehicle. The vehicle comprises an air conditioning system and an oxygen generation module, the air conditioning system comprises an inner circulation mode and an outer circulation mode, a fan can send oxygen generated by the oxygen generation module into a cab, and the oxygen concentration control method comprises the steps that the oxygen concentration inside and outside the cab is obtained; according to the oxygen concentration, the internal circulation mode or the external circulation mode is selectively operated, the oxygen generation module is selectively started, the oxygen concentration inside and outside the driving room is obtained, the difference value between the oxygen concentration inside and outside the driving room is calculated, and the oxygen concentration inside the driving room is compared with a first preset concentration and a second preset concentration; whether oxygen needs to be supplemented in the driving room or not and the oxygen supplementing mode are judged through the oxygen generation module, then oxygen is supplemented through the oxygen generation module or external air supplementing, control over the oxygen concentration in the driving room is more intelligent, and the body health and driving safety of a driver and passengers are guaranteed.

Systems and methods are disclosed for regulating supplemental oxygen delivery to a user using physiological, environmental, and device‑state data. An oxygen delivery system includes an electronically controllable oxygen‑flow valve, one or more sensors, and a controller configured to determine a current operating context based on data received from the sensor(s), retrieve a context‑trim value corresponding to the current operating context from memory, compute an oxygen‑flow command based on the data received from the sensor(s) and the context-trim value, and actuate the valve based on the oxygen-flow command to maintain a target blood oxygen saturation level.

A system for delivering a medical gas, such as supplemental oxygen, to a subject includes a positioner and a diffuser that may be positioned on opposite sides of a position on a surface against which the subject's head rests. A positioner may position the subject's head and face in a desired direction, while a diffuser may direct at least one medical gas to be delivered toward the subject's face to the subject. A method for delivering a medical gas is also disclosed.

The present application belongs to the field of environmental governance technology, and particularly relates to a water environment treatment equipment, which comprises: a floating assembly arranged on the water surface; an aeration device arranged on the floating assembly and used for supplementing oxygen to the water; and a dosing device arranged above the aeration device and in communication with the aeration device at a liquid outlet end. The dosing device comprises a suction mechanism and a plurality of liquid storage bottles. The liquid storage bottles are communicated with water pipes, which are in communication with the aeration device. The suction mechanism is used for adding the liquid in the liquid storage bottles to the aeration device. The aeration device can aerate and oxygenate the water body. The suction mechanism is used for sucking the water deodorant liquid in the liquid storage bottles to the aeration device, so that the water deodorant is mixed with the water body in the aeration device. The water body can be aerated and deodorized effectively, and the foul odor can be inhibited effectively.

Methods, apparatuses, and systems for mechanically releasing a predetermined amount of supplemental oxygen to a user via a mechanical initiator are disclosed with the release of the amount of supplemental oxygen based on and in response to the combined factors of a user's determined oxygen consumption based on sensing a user's inhalation combined with determining the ambient pressure in the area of the user.

This disclosure features chemical entities (e.g., a compound or a pharmaceutically acceptable salt and / or hydrate and / or prodrug of the compound) that that generates cross-linking in the cornea in response to exposure to an electromagnetic irradiation. This disclosure also features compositions containing the same as well as other methods of using and making the same. The chemical entities are useful, e.g., for treating a subject (e.g., a human) having a disease, disorder, or condition in which abnormal shaping of the cornea (e.g., thinning of the cornea, e.g., bilateral thinning of the cornea, e.g., bilateral thinning of the central, paracentral, or peripheral cornea; or steepening (e.g., bulging) of the cornea) contributes to the pathology and / or symptoms and / or progression of the disease, disorder, or condition. Non-limiting examples of such diseases, disorders, or conditions include: (i) corneal ectatic disorders; (ii) vision conditions; and (iii) diseases, disorders, or conditions that are sequela or comorbid with any of the foregoing or any disclosed herein. More particular non-limiting examples of such diseases, disorders, or conditions include include keratoconus, keratoglobus, pellucid marginal degeneration, corneal ectasia (e.g., post-operative ectasia, e.g., post-LASIK ectasia), Terrien's marginal degeneration, myopia, hyperopia, astigmatism, irregular astigmatism, and presbyopia. In some embodiments, the claimed methods can be performed in the absence of added or supplemental oxygen levels, which can be advantageous in some applications.

The application is a catheter pump with oxygen supply function which can improve oxygen supply of body circulation, the proximal end of the motor is connected with the catheter, the distal end is coaxially connected with an impeller, the outer periphery cover of the impeller is provided with a blood outflow cage, the distal end of the blood outflow cage is fixed with the proximal end of a blood inflow cage through a sleeve, the distal end of the blood inflow cage is further connected with a pigtail tube, an oxygen supply unit is arranged on the blood outflow cage, the oxygen supply unit generates oxygen according to physiological signals collected by a sensing unit in the ascending aorta according to time and demand, and releases the oxygen into the blood in the ascending aorta. In the process of assisting the heart to pump blood, the catheter pump can simultaneously supplement oxygen into the blood by using the oxygen supply unit, and improve the hypoxia condition of the whole body tissue. The oxygen supply unit is integrated on the catheter pump, and the catheter pump is intervened through the blood vessel together with the oxygen supply unit, so that the operation is simple, the damage to the blood vessel is reduced, the risk of gas embolism is reduced, the oxygen is better distributed, the oxygen supply mode is more in line with the physiological state, and the recovery of the patient is facilitated.

Disclosed is respiratory assistance apparatus comprising a flow generator configured to provide breathing gases to a patient, the breathing gases comprising supplemental oxygen provided from an oxygen source. The respiratory assistance apparatus controller is configured determine a target oxygen concentration of the breathing gases and calculate an estimated future value of the patient's blood oxygen concentration based on a difference between an initial oxygen concentration of the breathing gases and the target oxygen concentration of the breathing gases, and the patient's blood oxygen concentration.

The invention discloses a hydrogen-oxygen combination device and a method for producing deuterium-rich water, the hydrogen-oxygen combination device comprises: a material supply device for providing oxygen and inert gas for a recycle gas supercharging device, and respectively providing deuterium / hydrogen with a set proportion and supplementing oxygen for a gas mixing device; the circulating gas pressurizing device receives oxygen and inert gas, mixes and pressurizes the oxygen and the inert gas to form pressurized circulating gas, and quantitatively supplies the pressurized circulating gas to the gas mixing device; the gas mixing device is used for receiving deuterium / hydrogen, supplementing oxygen and pressurizing circulating gas and carrying out homogeneous mixing to form mixed gas to be supplied to the reaction device; the reaction device receives the mixed gas, deuterium / hydrogen in the mixed gas is in contact with excessive oxygen and completely reacts with the excessive oxygen, and a gas-liquid mixture generated after the complete reaction is fed into the gas-liquid separation device; and the gas-liquid separation device is used for receiving the gas-liquid mixture and separating and collecting liquid-phase heavy water, and the gas phase returns to the circulating gas supercharging device through a circulating gas return pipe. The invention provides an industrial solution with safety, reaction efficiency and operation stability.

A breathing assistance device is disclosed that includes a flow generator configured to provide breathing gases to a patient, the breathing gases including supplemental oxygen provided from an oxygen source. The breathing assistance device controller is configured to determine a target oxygen concentration of the breathing gas and calculate an estimated future value of the patient blood oxygen concentration based on a difference between the initial oxygen concentration of the breathing gas and the target oxygen concentration of the breathing gas and the patient blood oxygen concentration.

The invention discloses a low-pressure and low-oxygen biological cell experiment device which comprises an incubator, vacuumizing equipment, gas control equipment and an air pressure linkage cavity, one side of the air pressure linkage cavity is opened and is communicated with the air pressure pipeline; a movable disc is coaxially arranged in the air pressure linkage cavity, the annular side of the movable disc is in sealed connection with the inner wall of the air pressure linkage cavity through an airtight film, a push rod is connected to the axis of the movable disc, a limiting convex ring is arranged on the push rod, a reset spring located in the air pressure linkage cavity is arranged on the push rod, and one end of the reset spring abuts against the limiting convex ring; the end of the push rod penetrates and extends out of the air pressure linkage cavity along the axis of the air pressure linkage cavity, a deflectable square plate is arranged at the end of the push rod, and a connecting rod mechanism is hinged to the square plate. Negative pressure or positive pressure feedback is conducted on air pressure changes generated by oxygen consumption or supplement in the incubator through the air pressure linkage cavity, so that the movable disc drives the square plate and the connecting rod mechanism hinged to the square plate to open / close the air inlet in the bottom of the air storage tank.

The utility model relates to the technical field of edible mushroom cultivation equipment, in particular to an edible mushroom stick puncturing aerator, and solves the problems that in the prior art, only mechanical puncturing operation on a mushroom bag is achieved, but a matched oxygen conveying system is not arranged, so that oxygen cannot be supplemented into the mushroom bag immediately after puncturing is completed, and the cost is low. And the actual oxygenation effect after puncturing is affected. The puncturing aerator comprises a mounting frame, a transverse plate arranged at the inner bottom of the mounting frame, a puncturing air cylinder mounted on one side of the inner top of the mounting frame, an aeration air cylinder mounted on the other side of the inner top of the mounting frame, a controller mounted on one side of the mounting frame and an aerator mounted on the other side of the mounting frame, the puncturing air cylinder is connected with puncturing needles through a puncturing plate, and the aeration air cylinder is connected with aeration needle tubes through an aeration disc. By integrating puncturing and oxygenation functions, synchronous and accurate oxygen supply after puncturing is realized, the oxygen utilization rate and the consistency of hypha growth are effectively improved, and the production efficiency is improved.

1. Name of the product in this design: Oxygen Supply Equipment (Four-person Cabin). 2. Purpose of this design: Oxygen supply system for a four-person supplemental oxygen chamber in a medical center. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.