77 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 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.

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.

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.

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 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.

The present invention discloses a dust-containing waste gas comprehensive treatment apparatus and a dust-containing waste gas comprehensive treatment process, and relates to the technical field of waste gas treatment, the dust-containing waste gas comprehensive treatment apparatus comprises: a filtering pipeline with a through bottom end and a sealed top, a side pipe is arranged outside the top of the pipeline as a pressure relief opening; a slidable baffle is arranged in the pipeline and shields a side pipe inlet at an initial position; the top of the baffle is connected with the top of the pipeline through a reset spring. Piston rods are fixed at the bottoms of the baffles; piston plates in the gas spraying pipes are linked to form a gas storage mechanism; and an auxiliary cleaning assembly is arranged below the filter plate. Filtered and accumulated air pressure is used for pushing the baffle to move upwards to release pressure, and meanwhile the piston plate ascends to suck air; after pressure relief, the reset pressure spring drives the baffle to move downwards to seal the side pipe, the piston plate is compressed to enable gas to reversely blow the filter plate through the gas spraying pipe, and dust is removed in combination with the auxiliary cleaning assembly. A self-circulation cleaning mechanism with zero external energy consumption is realized, the problems of sharp resistance increase, energy consumption increase and overpressure risk caused by filter plate blockage are solved, and the dust removal efficiency is improved.

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 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.

This ammonia supply device comprises: a tank capable of storing liquid ammonia; a liquid delivery line capable of delivering a liquid from a liquid phase inside the tank to the outside of the tank; a gas delivery line capable of delivering a gas from a gaseous phase inside the tank to the outside of the tank; a pump provided in the liquid delivery line and pumping the liquid toward the outside of the tank; an ejector having an introduction part to which the liquid delivery line is connected and into which the liquid is introduced, a suction part to which the gas delivery line is connected and which suctions the gas, and a discharge part that discharges a mixed fluid obtained by mixing the liquid introduced from the introduction part and the gas suctioned from the suction part; and a supply line that supplies the mixed fluid discharged from the discharge part to an ammonia consumption apparatus that consumes ammonia.

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 utility model belongs to the technical field of gas collection, and particularly relates to a gas extraction device for coal mine gas prevention and control, which comprises a coal mine gas collection box, a gas extraction pump is fixedly arranged in the coal mine gas collection box, and the gas inlet end of the gas extraction pump is communicated with a gas inlet pipeline arranged in the coal mine gas collection box. The bottom of the gas inlet pipeline is fixedly connected with a dust filtering plate, the gas outlet end of the gas extracting pump is communicated with a gas outlet pipeline arranged in the coal mine gas collecting box, a gas collecting bottle is movably inserted into the top of the coal mine gas collecting box, and a gas inlet branch pipe is fixedly arranged at the top of the gas collecting bottle; during use, the gas inlet branch pipe is in threaded connection with the gas outlet pipeline, gas in a mine can be conveyed into the gas collecting bottle to be collected, dust in the gas can be filtered through the dust filtering plate, and the dust is prevented from being sucked into the gas collecting bottle together to interfere a detection result.

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.