112 results about "Inhalation gas" patented technology

The utility model provides a micro-nano bubble generator. The micro-nano bubble generator comprises three units, the first unit is one or a group of premixing nozzles and is used for sucking gas, realizing atomization of liquid and gas and increasing the specific surface area; the second unit is a Venturi tube, after the second unit is communicated with the first unit, a throat tube of the second unit is a multi-layer multi-tube Venturi tube and is communicated with external gas through a gas guide tube, the gas passes through the gas guide tube and a gas chamber and is sucked into the multi-hole multi-tube in each layer and the middle along a gas path, and gas and liquid move relatively in the gas guide tube and the gas chamber, so that full mixing and fine crushing are realized; and the third unit is communicated with the second unit and is a group of mixers, the gas and the liquid are further mixed in the third unit, the generation of the micro-nano bubbles is optimized, the mixing time is prolonged, and the bubble breaking capability of the generator is improved. The utility model belongs to the field of chemical reaction equipment, further dissolution of bubbles and multiple times of fine crushing of the bubbles are realized through the arranged micro-nano bubble generator, the volume of the generated bubbles is smaller, and the micro-nano bubble generation efficiency is improved.

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 discloses a sulfur hexafluoride concentration monitoring mechanism which comprises a device main body, an air vent is formed outside the device main body, a suction nozzle is fixedly connected outside the device main body, a sliding plate is slidably connected inside the device main body, an exhaust device is fixedly connected to the upper side of the device main body, and an exhaust pipe is fixedly connected to the lower side of the exhaust device. Two groups of symmetrically arranged fixing plates are fixedly connected to the bottom of the device main body, a winding column is rotatably connected between the two groups of fixing plates, a pull rope is fixedly connected between the winding column and the sliding plate, a handle is rotatably connected to the outside of the fixing plate, a mounting groove is formed in the device main body, and a concentration detection device is mounted in the mounting groove. According to the device, gas can be automatically sucked through the negative pressure principle to detect the concentration of sulfur hexafluoride, a worker does not need to hold an instrument by hand for detection, the collected gas can be automatically discharged after detection is completed, a detection area is cleaned, and errors occurring in next detection are reduced.

The atomization device suitable for the coma patient comprises an atomizer, a conversion connecting pipe and a ventilation pipeline, the atomizer comprises an output connecting pipe, and the output connecting pipe is detachably connected with an internal thread in the conversion connecting pipe in a clamped mode through an external thread formed in the outer wall of the output connecting pipe. The bite block and the outlet end of the atomizer are connected in a spiral tightening manner, so that the atomizer is convenient to connect and remove, and the burden of nurses is relieved; the ventilation pipeline comprises an oropharynx pipeline, a tooth cushion and a connecting pipe which are integrally formed, the connecting pipe is used for detachably connecting the ventilation pipeline and the conversion connecting pipe in an inserted mode, when a patient uses the ventilation pipeline, the oropharynx pipeline can stretch into the throat and abut against and is fixed through the tooth cushion, medicine sent out by the atomizer directly reaches the pharynx, and the medicine can be conveniently used by the coma patient; meanwhile, the problems that the amount of gas inhaled by a patient is small, and the medicine is not fully utilized can be solved.

The utility model relates to the technical field of air filters, and discloses an air filter with a self-checking function, which comprises an equipment main body, a suction pump is fixedly arranged below the middle of the front of the equipment main body, a connecting pipe is fixedly arranged at the left end of the suction pump, an air inlet is fixedly arranged at the left end of the connecting pipe, and an air outlet is fixedly arranged at the right end of the connecting pipe. Filter screens are arranged at the left end of the air inlet and holes in the periphery of the air inlet. According to the air filter with the self-checking function, air is sucked by starting the suction pump, large-particle dust is prevented from being directly sucked into the equipment main body through the filter screen, large-particle impurities in air can be preliminarily filtered through the filter screen, and the air is fed into the filter through the suction pump and then filtered again through the first filter screen in the filter plate; the filter plate is blocked after being used for a long time, the filter plate can be pulled out of the sliding groove by buckling the handle groove and cleaned, or the filter plate is replaced with a new filter plate for use, and cleaning is more convenient.

The utility model belongs to the technical field of compressors, and particularly relates to a compressor control device and a vehicle. The annular filter plate is located in the dust controller and used for filtering dust impurities contained in gas, a partition plate is arranged on the upper portion of the interior of the dust controller and used for partitioning the space, a limiting frame is arranged above the partition plate, and the dredging effect is achieved by shaking off dust in meshes of the annular filter plate through electric vibrators and vibration balls on the outer side and the interior of the limiting frame; the long-time filtering performance of the annular filter plate is maintained; and the suction unit is located above the dust controller and used for sucking out falling dust impurities in the first time through exploring tubes on the two sides of the interior of the limiting frame, and the real-time discharging effect is achieved. According to the utility model, the quality of sucked gas can be effectively controlled, and the effects of cleaning and discharging dust and impurities in real time are achieved before entering, so that the long-time operation quality of the compressor is maintained, the failure rate is reduced, and the practicability is improved.

To provide an adsorption device which enables miniaturization.SOLUTION: An adsorption device 100 includes a suction part 10 for sucking gas, a first exhaust part 11 and a second exhaust part 12 for exhausting the gas, a pressure adjustment part 37 for adjusting a pressure, an adsorption part 40 having an adsorbent 42 enabling adsorption of carbon dioxide and desorption of the carbon dioxide by pressure reduction arranged therein, a switching part 36 for switching a flow channel 20 of the gas, and a control part 6. The control part 6 executes first operation of making the gas sucked from the suction part 10 pass through inside the adsorption part 40, and exhausting the gas from the first exhaust part 11, and second operation of switching the flow channel 20 of the gas by the switching part 36, reducing the pressure inside the adsorption part 40 by the pressure adjustment part 37, and thereby exhausting the gas inside the adsorption part 40 from the second exhaust part 12.SELECTED DRAWING: Figure 2

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.

Breathing mask for use with CPAP or ventilators, including: • an integrated nasal applicator with two conically shaped pads that can be inserted into the nostrils, • a central connecting element made of flexible, biocompatible material, • wherein the nasal cushions are connected to each other by a bridge to prevent complete penetration into the nose, • and wherein the mask has a front port for a breathing tube and a rear port for a mouthpiece.

To provide a compact dust collector which is large in processing air volume, is small in a dead space, and can suppress scattering of fine particles separated from sucked gas.SOLUTION: A dust collector comprises cyclone parts 30, 40, and a fine particle reception part 50. The cyclone parts 30, 40 has cylindrical containers 31, 41 which are so configured as to direct the gas taken in from a duct 10 downwards while revolving the same, and are so arranged as to be adjacent to each other in a horizontal direction. The duct 10 is connected to the containers 31, 41 so that revolution flows in mutually opposite directions are formed in the containers 31, 41 of the cyclone parts 30, 40. The fine particle reception part 50 is arranged below the containers 31, 41, and receives fine particles separated from the gas. A space S, which permits revolution of the gas discharged downward from the containers 31, 41, is formed between the cyclone parts 30, 40 and the fine particle reception part 50.SELECTED DRAWING: Figure 1

The utility model discloses an electric welder oxygen supply mask which comprises a mask body, and a filter lens and a cleaning assembly used for cleaning dust on the surface of the filter lens are arranged on the mask body. A shell is arranged on the mask in a penetrating mode, a sealing ring is arranged on the edge of an opening of the shell, a ventilation pipe is arranged in the shell in a penetrating mode, a plurality of ventilation holes are formed in the part, penetrating through the shell, of the ventilation pipe, and a fan is arranged at one end of the ventilation pipe. The device has the beneficial effects that external air is sucked into the ventilation pipe through the fan, the external air enters the shell through the ventilation holes for a user to breathe, gas exhaled by the user can also be exhausted through the ventilation pipe, the situation that the comfort of the user is affected due to heavy moisture in the shell is avoided by improving the ventilation performance, oxygen is released into the shell through the oxygen bottle, and the comfort of the user is improved. Meanwhile, the speed of the fan is adjusted, it is guaranteed that moisture in the shell does not affect the comfort level of the user, and meanwhile waste caused by the fact that oxygen is rapidly exhausted along with the ventilation pipe is avoided.

The present invention provides a short-term breathing rapid collection device for cattle, which belongs to the field of animal husbandry biological monitoring technology. The device comprises a gas collection component and an air bag component. The gas collection component comprises an inhalation channel for conveying the gas inhaled by the cattle, an exhalation channel for conveying the gas exhaled by the cattle, an inhalation port and an exhalation port respectively arranged at the far ends of the inhalation channel and the exhalation channel, an air inlet and a collection port respectively arranged at the proximal ends of the far ends of the inhalation channel and the exhalation channel, an inhalation one-way valve arranged at the inhalation port, and an exhalation one-way valve arranged at the exhalation port. By using such a short-term breathing rapid collection device for cattle, the gas exhaled by the cattle in several breaths can be quickly collected in a short time, thereby reducing the discomfort of the animal when collecting gas.

Provided are a ventilation assembly and ventilation device, which relate to the technical field of ventilation devices. The ventilation assembly comprises: an air blowing apparatus (100) for sucking gas from an air suction port (120) and discharging same from an air discharging port (110); and a housing (200) internally provided with: an air feeding cavity (230) in communication with the air suction port (120) of the air blowing apparatus (100) and provided with an air inlet in communication with the outside; an air discharging cavity (210) in communication with the air discharging port (110) of the air blowing apparatus (100) and used for being connected to a ventilation tube worn by a patient; and a connecting cavity (220) that allows the air feeding cavity (230) to be in communication with the air discharging cavity (210), so that part of gas in the air discharging cavity (210) flows back to the air suction port (120) of the air blowing apparatus (100) by means of the connecting cavity (220) and the air feeding cavity (230). By means of the described arrangement, the problem of large noise of ventilation assemblies and ventilation devices can be solved.

The utility model discloses an anti-blocking device for a gas pipeline of a medical tower crane, which relates to the technical field of anti-blocking equipment for medical tower cranes, and comprises a rotating shaft, a spiral blade and two bearings, the spiral blade is fixed on the outer side wall of the rotating shaft, the inner rings of the two bearings are respectively fixed at the two ends of the rotating shaft, and the spiral blade is fixed on the outer side wall of the rotating shaft. And the outer rings of the two bearings are fixed on the inner wall of a negative pressure gas pipeline in the medical tower crane. The device is arranged in a negative pressure gas pipeline in a medical tower crane, when the negative pressure gas pipeline sucks gas, the rotating shaft and the spiral blade are driven to rotate, attachments on the inner wall of the negative pressure gas pipeline are scraped off through the spiral blade, and waste liquid and waste gas are driven to be discharged through the spiral blade structure. Therefore, the negative pressure gas pipeline is prevented from being blocked.

The utility model discloses an anaesthetic mask capable of adjusting inhalation volume. The anaesthetic mask comprises a mask shell and a flow regulation and control mechanism, a conveying pipe is arranged on the front wall of the housing in a penetrating mode, an anesthesia connector and an oxygen supply connector are arranged at the front end of the inner wall of the conveying pipe in a penetrating mode, first barrel shells are arranged on the outer sides of the anesthesia connector and the oxygen supply connector, and second barrel shells are arranged in the first barrel shells through first telescopic columns which are evenly distributed; arc-shaped extrusion plates which are uniformly distributed are arranged in the barrel shells II through telescopic columns II; according to the anesthetic mask capable of adjusting the inhalation volume, the gas flowing area of the anesthetic mask can be adjusted and controlled through the transmission element, then the inhalation gas flow is adjusted and controlled, medical staff do not need to control medical gas conveying equipment, use is convenient, and the anesthetic mask is high in practicability. And meanwhile, the device assists in extruding and fixing the sleeving overlapping part between the joint and the external gas pipeline through the elastic force of the spring, so that the falling and separating phenomena between the joint and the external gas pipeline are avoided.

The utility model discloses a multifunctional respiratory training device which comprises an airway main body, an air inlet port and an air outlet port, the air inlet port and the air outlet port are communicated with the airway main body, and a differential pressure type sensor is arranged in the airway main body. The flow rate and the flow rate of exhaled / inhaled gas are monitored so as to achieve quantitative testing of the lung function, further, the device can be externally connected with a pipeline through the air inlet port to be used as an atomization training device, in addition, when sputum excretion training needs to be carried out, a vibration ball can be arranged at the air outlet port to enable the exhaled gas to oscillate so as to achieve sputum excretion training, and therefore the sputum excretion training effect is improved. In conclusion, the respiratory training, sputum excretion training, atomization training and lung function testing are integrated, a user does not need to spend extra expenditure to purchase other training equipment, cost is saved, and the respiratory training device is simple in structure and convenient to use.

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 relates to a method for determining the carbon dioxide concentration in a measurement gas, comprising the following steps: branching off measurement gas from a main line (15) of a medical device (12) via a branch line (14) during the inhalation phase of a person (13) connected to the medical device (12) as inhaled gas and during the exhalation phase of the person (13) as exhaled gas towards a sensor unit (11); conveying the measurement gas from the main line (15) via the branch line (14) towards the sensor unit (11) by means of a fluid conveying unit (24); adaptively setting the fluid conveying unit (24) while taking into account the airway pressure in the main line (15) in order to generate a uniform volume flow and / or gas pressure of the measurement gas in the branch line (14) towards the sensor unit (11) during the inhalation phase and the exhalation phase; and determining the carbon dioxide concentration in the measurement gas by means of the sensor unit (11). The invention further relates to an ascertainment device (10), a medical apparatus (12), a setting unit (26), a computer program product (29), and a memory device (30) having the computer program product (29) stored thereon for carrying out the method according to the invention.

The present invention relates to a gas sample injection device containing ammonia and / or amine substances, a detection device and a detection method, comprising a first injection tube, a first outer sleeve, a first particle collection component and an exhaust device; at least a portion of the first injection tube is arranged in the first outer sleeve, a gas flow channel is formed between the first outer sleeve and the first injection tube, the first injection tube has an air inlet and an air outlet, and the air outlet of the first injection tube is located in the first outer sleeve; the first outer sleeve has an air inlet for introducing a barrier agent of a test object, a first air outlet and a second air outlet connected to the exhaust device to inhale a gas sample and a standard sample, a first particle collection component is arranged at the first air outlet, the air outlet of the first injection tube faces the first particle collection component, and the distance between the second air outlet and the first particle collection component is greater than the distance between the air outlet of the first injection tube and the first particle collection component. The injection device can eliminate interference and make the detection result more accurate.

The invention relates to a sniffer probe (10) for drawing in gas when searching for gas leaks, the sniffer probe having at least one sniffer tip (11), and an intake opening (16) being provided which is connected via a connecting line to a main sniffer line which can be connected to a gas leak detector. The sniffer tip (11) is provided in the region of the intake opening (16) with flexible elongated shielding elements (30) which project from the sniffer tip (11) in such a way that the intake opening (16) is shielded from the exterior environment (38) of the sniffer probe (10) on all sides.

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 technical field of gas concentration detection, and solves the problems that when the gas concentration is detected, the gas needs to pass through a probe below detection equipment to be detected, and when the gas passes through the probe under the influence of air flow, the time for detecting the gas concentration is too long, the time for detecting the gas concentration is increased, and a house is filled with the gas. The gas concentration detection device comprises a gas concentration detector body, a base is arranged at the bottom of the gas concentration detector body, a detection probe used for detecting gas concentration is arranged at the bottom of the base, and the surface of the detection probe is sleeved with a protective cover. The bottom of the protective cover is provided with a negative pressure assembly used for sucking gas and improving the gas detection speed, the negative pressure assembly comprises an air duct arranged at the bottom of the protective cover, the top end of the air duct is fixedly connected with a circular plate, the surface of the circular plate is provided with a plurality of air holes in an annular array, and the middle of the surface of the circular plate is sleeved with a driving motor.

The invention relates to a sniffer probe (10) for inhaling gas when searching for gas leaks, the sniffer probe comprising at least one sniffer tip (11) and provided with an air inlet (16) which is connected to a main sniffer line via a connecting line and which can be connected to a gas leak detector. The sniffer tip (11) is provided with a flexible, elongated shielding element (30) in the region of the air inlet (16), the shielding element (30) extending from the sniffer tip (11) in such a way that the air inlet (16) is shielded from the external environment (38) of the sniffer probe (10) in all directions.

A humidifier, for a ventilation system, that includes an atomizer configured to deliver water droplets into a flow of breathing gases and a heating element configured to vaporize the water droplets emitted from the atomizer. The humidifier may be configured to set a target inhalation gas temperature based on internal temperature of a patient. Further, based on inspiratory flow and humidity data about breathing gases upstream of the atomizer of the humidifier, the humidifier may calculate and deliver an amount of water in one or more bursts of atomized water. Based on the target inhalation gas temperature, the humidifier may control a temperature of the heating element.