46 results about "Inhalation gas" patented technology

Provided is a gas measurement device for measuring a target gas present in soil. The gas measurement device comprises: one or more suction units that are buried in the soil and suck in gas; and a concentration measurement unit that measures concentration of the target gas contained in the gas that has been sucked in by the suction units. The gas measurement device also comprises a heating unit that heats at least a portion of a region in the soil from which the suction units suck in the gas, and the suction units may suck in the gas in the soil heated by the heating unit.

The application provides a radiotherapy breathing control threshold adaptive adjustment method based on image feedback, which comprises the following steps: before any fraction treatment, guiding a patient to perform deep inhalation breath holding, and acquiring chest three-dimensional image data of the patient through an image acquisition device; determining whether a breathing control threshold optimization condition is met based on the chest three-dimensional image data; when the breathing control threshold optimization condition is met, optimizing the breathing control threshold, and determining a new breathing control threshold for triggering radiotherapy beam output. The application uses the real lung volume calculated by three-dimensional image as a feedback variable to adaptively correct the control threshold based on inhaled gas volume in the traditional ABC system, so as to establish a closed-loop breathing control mechanism based on internal anatomical state.

Devices and methods for resuscitation of a patient wherein inspiratory gas is delivered through a T piece circuit having an exhalation port and a filter located upstream of the exhalation port to remove microbes from exhaled respiratory gas before the respiratory gas exits through the exhalation port.

The utility model relates to be used for highway engineering's crack repair machine belongs to highway repair technical field, this be used for highway engineering's crack repair machine, include: movable support, the top of movable support is provided with repair mechanism, filter mechanism: inhale, purify to gas simultaneously, through second filter plate intercepts the larger impurity in inhaled gas, and utilizes the material receiving frame to receive the larger impurity, avoid the impurity to drop on the joint material, and through a plurality of third filter plate, be favorable to the part impurity in the gas and intercept, reduced the impurity content of gas through the first filter plate filtration, utilize a plurality of scraper reciprocating movement to the impurity that first filter plate bottom adheres to scrape and move, have guaranteed first filter plate normal ventilation operation, when a plurality of third filter plate reciprocating movement, gas will constantly blow the impurity that third filter plate inside stagnates, have guaranteed third filter plate's normal ventilation operation, improved the absorption effect of harmful gas when the device is in operation.

The invention discloses an inhalation type anesthesia device which comprises an anesthesia machine, a heating humidifier, a mask and a purifier. According to the heating humidifier, an innovative heat and humidity linkage design is adopted, the phase-change heat exchange module is driven by the rotating disc to be periodically switched between an air inlet channel and an expiration channel, and a pure mechanical linkage mechanism is used for synchronously controlling starting and stopping of the humidifying module. When the phase-change heat exchange module is switched into the air inlet channel, the stored heat is used for heating sucked air, and meanwhile humidification is started in a linkage mode; and when the module rotates out, humidification is automatically stopped. The device realizes intelligent collaborative management of heat and humidity, effectively solves the problems of over-dry or over-wet gas, energy waste and the like in a traditional anesthesia device, remarkably improves the comfort level and treatment safety of a patient, and has the advantages of compact structure, convenience in operation, energy conservation, high efficiency and the like.

A ventilation assembly includes: an air blowing apparatus for sucking gas from an air suction port and discharging same from an air discharging port; and a housing internally provided with: an air feeding cavity in communication with the air suction port of the air blowing apparatus and provided with an air inlet in communication with the outside; an air discharging cavity in communication with the air discharging port of the air blowing apparatus and used for being connected to a ventilation tube worn by a patient; and a connecting cavity that allows the air feeding cavity to be in communication with the air discharging cavity, so that part of gas in the air discharging cavity flows back to the air suction port of the air blowing apparatus through the connecting cavity and air feeding cavity. The ventilation assembly solves the problem of large noise of ventilation assemblies and ventilation devices.

The invention discloses a transmission device for assisting a small animal to autonomously breathe hyperpolarized gas, which is characterized in that a sealed breathing mask is used for replacing a trachea cannula, and stable pressure of atmospheric pressure at the breathing mask is used for replacing periodic pressure change under high-pressure forced ventilation at the cannula; the animal spontaneous respiration gas amount is used for replacing the manually set fixed gas amount, and the state of inhaled gas is controlled under spontaneous respiration to replace fully controlled mechanical ventilation in the respiration process; the invention further discloses a method for assisting the small animal in autonomously breathing the hyperpolarized gas, the device can supply the gas amount required by autonomously breathing to the experimental animal according to the self-breathing state of the experimental animal, and the gas amount inhaled by the experimental animal each time is determined by the self-breathing state, so that the experimental animal can autonomously breathe in a free state; lung expansion in an abnormal breathing state can be avoided, so that a more accurate ventilation function and qi-blood exchange function evaluation result is obtained.

The utility model relates to the field of anaesthetic masks, in particular to an anaesthetic mask not easy to loosen, and aims to solve the technical problems that the anaesthetic mask is not easy to fix and can loosen or fall off after a long time to cause emergencies and increase treatment risks. Comprising a wearing assembly, an auxiliary assembly, a fixing assembly, an anaesthetic mask body and a breathing tube. The anesthetic mask body can be quickly fixed to the mouth and nose of a patient through the wearing assembly, the whole anesthetic mask body is attached to the face contour of the patient through the auxiliary assembly, the situation that anesthetic gas leaks due to the fact that a gap exists between the face contour and the anesthetic mask body is avoided, the patient is better assisted in inhaling gas, and the anesthetic effect is improved. The fixing assembly can help various patients to wear the anaesthetic mask body and stably keep the anaesthetic mask body, the possibility of loosening or even falling off due to too long time is avoided, and the problems that the anaesthetic mask is not easy to fix and can be loosened or fall off due to long time, and the treatment risk is increased due to emergencies are solved.

The invention relates to the field of medical imaging examination, in particular to a gas dosing device for magnetic resonance. The invention aims to provide a gas administration device for magnetic resonance, which is simple and convenient to operate and can improve the examination efficiency. The gas administration device comprises a cantilever and the like, the control mechanism is installed at the end of the cantilever, the cantilever is installed at the position outside the detection chamber, the control mechanism is connected with the air source, and an air suction mechanism is arranged on the control mechanism and installed in the detection chamber. Through cooperation of the control mechanism and the air suction mechanism, a gas contrast agent is reasonably sucked by a patient, when the patient sucks the gas contrast agent, a pipeline can be flushed through nitrogen, and the safety of equipment is improved; by replacing different containers, different containers can be used independently and not independently, so that a patient can better inhale a gas contrast agent; and by rotating the manual adjusting ring, the patient can adjust the flow by himself / herself when the patient is uncomfortable, so that the equipment is safer to use.

The invention relates to the technical field of smoke detection, in particular to a gas detector and a smoke particle detection method.The gas detector comprises a rack, a detector body and a sleeve, a cylinder base is fixedly arranged on the rack, the sleeve and the cylinder base are coaxially and movably matched, and the detector body is fixedly connected with the top of the sleeve through a swing plate; a driving mechanism matched with the sleeve is arranged on the rack and the cylinder seat, the detector is communicated with the air pumping mechanism, and the air pumping mechanism is connected with the driving mechanism. Lifting, deflection and continuous air pumping actions are integrated into a set of linkage mechanism, so that the detector automatically completes two-time directional rotation in the up-down stroke, and spatial multi-angle scanning is realized; the driving mechanism and the gas pumping mechanism are matched with each other, so that the detector can actively suck gas at each height and each angle, dead angles and retention layers are avoided, and the capture probability of rarefied or layered smoke particles is improved; a pure mechanical coupling continuous working mode is adopted, the maintenance is simple, and the device is suitable for early fire early warning in a complex flow field environment.

The invention relates to the technical field of vaccine atomization inoculation, in particular to a vaccine atomization inoculation device which is characterized in that an upper cup body and a lower cup body which are separated from each other are adopted to form an atomization cup body, the upper cup body and the lower cup body can be compressed in the inhalation process, vaccine inhalation is assisted, a sealing blocking plate opened by a fixed contact ring is matched, and when the upper cup body and the lower cup body are not compressed, the atomization cup body is not compressed. When the vaccinator cannot inhale vaccines, the vaccinator is reminded to conduct the compression process, the flexible friction strips are used for providing friction damping for the compression process of the upper cup body and the lower cup body, different flexible friction strips can be selected by rotating the upper cup body, and the friction damping can be adjusted through different friction coefficients; and discomfort of an inoculator during gas inhalation due to rapid compression is avoided.

The invention provides a flame-retardant anti-chemical air respirator which comprises a filter element, a pipeline connected with the filter element and a left air box connected with the pipeline. The left plate is connected with the left gas box, the middle disc is connected with the left plate, the motor is connected with the middle disc, the motor drives the left plate to move through the middle disc, the left gas box stretches out and draws gas from the pipeline, the gas in the left gas box is pushed out, the motor drives the middle disc to rotate, and the middle disc drives the left gas box and the right gas box to stretch out and contract. The filter element filters external air, the air is pushed to a user through the air bag, the left air box and the right air box, stable and continuous supply of the air is guaranteed through circulation of the left air box and the right air box, breathing of the user under severe conditions is guaranteed, a certain amount of air can be temporarily stored in the air bag, and it is guaranteed that air supply is maintained for a certain time under extreme conditions.

1. Name of the product in this design: Gas Sampler (Portable). 2. Purpose of this design: This design is used for sampling and collecting inhaled gases. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention relates to a fused salt heat storage energy-saving type nitrogen sealing device, which is applied to a fused salt heat storage system comprising a cold fused salt tank, a hot fused salt tank and a salt dredging tank, and comprises a nitrogen balancing pipe, a nitrogen sealing device, a nitrogen sealing device, a nitrogen sealing device and a nitrogen sealing device, and is characterized in that the nitrogen balancing pipe is communicated with a top gas side space of the cold fused salt tank, the hot fused salt tank and the salt dredging tank; the breathing device is arranged on the nitrogen balance pipe, and the breathing device is configured to discharge gas in the nitrogen balance pipe when the internal pressure of the system exceeds a preset positive pressure threshold value and suck gas into the nitrogen balance pipe when the internal pressure of the system is lower than a preset negative pressure threshold value. According to the designed fused salt heat storage energy-saving nitrogen sealing device, the nitrogen balance pipe is used for communicating the gas side space of each storage tank, so that the pressure fluctuation in the system can be effectively buffered and balanced, the nitrogen loss caused by the volume change of fused salt is remarkably reduced, the supplement demand of external nitrogen is greatly reduced, and the nitrogen sealing efficiency is improved. Therefore, the nitrogen consumption of the fused salt heat storage system is greatly reduced, the operation cost is practically saved, and the economic benefit is improved.

A sniffer probe for a gas leak detector, which gas leak detector has a vacuum pump for drawing in gas through the sniffer probe in accordance with the sniffing principle and a gas detector for analyzing the gas flow drawn in, the sniffer probe comprising: a gas inlet for the gas flow drawn in, a gas outlet, which can be connected to the gas leak detector, and a channel, which gas-conductingly connects the gas inlet to the gas outlet, is characterized in that the sniffer probe has a bypass opening, which gas-conductingly connects a portion of the channel located between the gas inlet and the gas outlet to the outer environment of the sniffer probe, the bypass opening having an actuatable closure for selectively opening and closing the bypass opening.

To provide a compression system that reduces the gas pressure in a gas pipe and lowers the temperature of the gas being pumped to other gas pipes without improving the cooling capacity of the cooling device. [Solution] The compression system according to this embodiment comprises a compressor, a cooling device, and a control unit. The intake side of the compressor is connected to a sealed pipe to be drawn in. The exhaust side of the compressor is connected to a pipe to be supplied. The compressor can draw gas from the pipe to be drawn in and reduce the pressure of the gas in the pipe to be drawn in to a predetermined pressure. The compressor can compress the drawn-in gas to a pressure higher than the pressure of the gas in the pipe to be supplied and supply it to the pipe to be supplied. The cooling device can cool the gas supplied from the compressor to the pipe to be supplied. The control unit operates the compressor at a constant reference rotational speed to supply gas from the compressor to the pipe to be supplied. If the temperature of the gas cooled by the cooling device exceeds a threshold below the allowable temperature of the pipe to be supplied, the control unit lowers the rotational speed of the compressor to a lower than the reference rotational speed.

The application discloses a kind of foam generator, foam generating device and washing machine, belong to foam generation technical field.The foam generator includes: main part, including negative pressure part, inside of negative pressure part is provided with suction chamber, negative pressure part is equipped with with the first outlet and the first inlet being communicated with suction chamber, wherein the first inlet is used for air inlet, and the first outlet is used as gas-liquid mixture outlet;Ejection part, the ejection part includes injection part, and the injection channel is formed in the inside of injection part, and the second inlet and the second outlet are communicated with injection channel;Wherein the second inlet is used for liquid inlet, and the second outlet is used for liquid outlet;The end of ejection part being equipped with second outlet is inserted into suction chamber and is close to first outlet, and annular negative pressure channel is formed between the inner circumferential wall of negative pressure part and the outer circumferential wall of injection part, and annular negative pressure channel constitutes suction chamber.This application can make inhaled gas and jet liquid more fully mixed, effectively increase foam production.

1. The name of the design product: cooling cover (respirator). 2. The use of the design product: reducing the temperature of the inhaled gas of the user. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The present invention provides an inhalation gas control device that synchronizes with the user's breathing to supply and shut off inhalation gas, thereby reducing the loss of generated inhalation gas. [Solution] The inhalation gas supply tube extends to the prongs and is connected to the prongs. The system includes a gas pressure detection tube that branches off along the way to the prongs, a detection means that detects changes in the gas pressure in the gas pressure detection tube based on the user's breathing, and a supply shut-off means that supplies and shuts off the inhalation gas to the prongs via the inhalation gas supply tube based on the changes in the gas pressure in the gas pressure detection tube detected by the detection means.

This utility model discloses an electric vacuum pump, including a housing and a suction chamber. The housing houses a suction unit, a negative pressure detection unit, and a guide channel. The suction chamber is installed at the bottom of the housing and communicates with the guide channel. The suction unit includes a pump body, a connector, and a pipe, used for suctioning gas and / or liquid. The connector connects to the suction chamber via the guide channel and to the pump body's inlet via the pipe, forming the suction channel. The pipe also connects to the pump body's outlet and extends to the outside of the housing, forming an exhaust channel. The negative pressure detection unit communicates with the suction chamber via the connector, forming a negative pressure detection channel independent of the suction channel. Gas and / or liquid enter the exhaust channel through the suction channel and pump body, allowing the suctioned gas and / or liquid to be discharged. It can also be cleaned with water, effectively preventing contamination and bacterial growth. The negative pressure detection unit prevents poor preservation or container damage caused by excessively high or low negative pressure.

The utility model discloses gas quantitative detection type environment detection equipment. The gas quantitative detection type environment detection equipment comprises a shell, supporting legs, an exhaust pipe, a rubber strip, an L-shaped limiting piece, an air cylinder, a detector, a detection box, an exhaust pipe, a connecting pipe, a connecting rod, a first piston, a limiting block, a second piston, a spring, a filter shell, a probe, an exhaust assembly and a detection assembly. The utility model belongs to the technical field of environment detection, particularly relates to gas quantitative detection type environment detection equipment, and solves the problems that in the prior art, the air suction amount is difficult to control, so that the subsequent detection effect is poor, macromolecular harmful particulate matters are possibly sucked while the gas is sucked, and the detection efficiency is high. And a detection probe in the equipment is polluted, so that the service life of the detection probe is shortened.

The present technology is directed to ventilator systems that can provide both ventilation therapy and oxygen therapy. The systems described herein may include a ventilation assembly that can provide inspiratory gas to a patient circuit and an oxygen assembly that can provide pulses of oxygen to an oxygen delivery circuit. In some embodiments, the oxygen delivery circuit is distinct from the patient circuit. For example, the patient circuit can include a corrugated conduit coupled a ventilation mask, and the oxygen delivery circuit can include a nasal cannula. The ventilation mask can be positioned over the nasal cannula so that the patient can receive both the inspiratory gases and the pulses of oxygen.

A handheld exhaled gas collection device includes a gas access mechanism, a gas detection mechanism, a rotary valve and a gas collection mechanism connected in sequence, as well as sensors, a main processor and a blowback mechanism. The sensors are disposed on an outer side of the gas detection mechanism and are used to detect state parameters of an inhaled gas and transmit the collected data to the main processor. The blowback mechanism is used to inhale outside air and discharge same from the gas access mechanism by means of an exhaled gas path. The main processor can control the rotary valve to rotate, thereby changing the on-off state of the exhaled gas path. The gas access mechanism is used to filter water vapor in exhaled gas. The gas collection mechanism is used to externally connect a gas collection container so as to complete the collection of exhaled gas.

The invention belongs to the technical field of medical instruments, and particularly relates to a medical pediatric respiratory rehabilitation assist device which comprises a shell and an air tap arranged on the side wall of the shell, a gas channel is formed in the bottom of the shell, one end of the air tap is in threaded connection with an air inlet of the gas channel, and the medical pediatric respiratory rehabilitation assist device further comprises a piston vertically arranged in the shell in a sliding mode. A reset spring is fixedly arranged between the top of the piston and the top of the shell. And the gas inlet pipe is fixedly arranged on the gas outlet of the gas channel. Through cooperation of gas quantity detection and an electromagnetic resistance applying mechanism, the movement resistance of the piston can be automatically adjusted according to the expiration quantity of a child, so that the training intensity is precisely matched with the respiratory capacity of the child, manual gear shifting is not needed, and the training effect and convenience are improved; meanwhile, the respiration counting mechanism can accurately record the training times, and data support is provided for evaluation; in addition, the humidifying and atomizing mechanism is automatically started to humidify inhaled air, the respiratory tract of the child is protected, and the cough risk is reduced.

The invention discloses an anaesthesia machine breathing circuit with a heat and humidity recovery function, and relates to the technical field of medical instruments. The breathing loop assembly is mounted at one end of the anesthesia machine body; the breathing loop assembly comprises a breathing loop body and a heat and humidity recovery mechanism; through cooperative work of the heat and humidity exchanger, the expiration one-way valve, the expiration pipeline, the inspiration one-way valve, the inspiration pipeline and the quick connector, heat and water vapor in expiration can be efficiently recycled, gas exhaled by a patient enters the heat and humidity exchanger through the expiration pipeline, and heat and water vapor in the gas can be adsorbed; the air flows through the heat and humidity exchanger through the air suction pipeline, stored heat and water vapor can be released into the sucked air, passive temperature and humidity of the sucked air are achieved, the problem that in a traditional loop, the sucked air is dry and cold, and the airway mucosa is prone to being damaged is effectively solved, and loss of moisture and heat of the respiratory tract of a patient can be reduced.

The utility model discloses a kind of moisture samplers, including a group of cavity bottom shell and upper cover, bottom shell is equipped with first air inlet and second air outlet, upper cover is equipped with first air outlet and second air inlet;Built-in filter unit, one-way air suction passage, communicate first air inlet with first air outlet, and passage;One-way exhalation passage, communicate second air inlet with second air outlet.The utility model removes the impurity of interference measurement in inhaled gas by setting filter material in air suction passage, guarantees the purity of sample collection, guarantees the accuracy of measurement under different environments;Through one-way air suction passage and exhalation passage, ensure that air suction and exhalation process are mutually isolated, effectively avoid the cross mixing of airflow, guarantee that user realizes collection gas by normal periodic breathing;Finally improve the real reflection ability of sample, and reduce cross-contamination and infection risk.