739 results about "Breathing" patented technology

The application relates to a breathing machine pipeline condensate water collecting device, which comprises a connecting bottle and a collecting bottle. An accommodating cavity is formed on the connecting bottle, and the accommodating cavity is communicated with a breathing machine pipeline. A collecting cavity is formed on the collecting bottle. The device further comprises a plugging device, which comprises a plugging block, a reset member, a connecting mechanism and an adjusting mechanism. A communicating hole communicated with the accommodating cavity is formed on the connecting bottle. The plugging block is rotatably arranged on the connecting bottle and can plug the communicating hole. The reset member is arranged on the connecting bottle and connected with the plugging block. The connecting mechanism is arranged on the collecting bottle and connected with the connecting bottle. When the collecting bottle is connected with the connecting bottle through the connecting mechanism, the adjusting mechanism adjusts the position of the plugging block so that the plugging block no longer plugs the communicating hole. The application has the effect of reducing safety hazards.

The application provides a kiln ventilation regulation device, comprising: a ventilation pipe; a protection shell is fixedly installed on the surface of the ventilation pipe, a connecting shell is fixedly installed on one side of the protection shell, a supporting plate is fixedly installed in the inner cavity of the ventilation pipe, a supporting rod is fixedly installed on the top of the supporting plate, and a supporting disc is fixedly installed on the top of the supporting rod. Through the design of the regulation assembly, the regulation assembly adopts a worm, a worm wheel, a rotating gear and an adjusting disc transmission structure, worm and worm wheel transmission improves stability, the rotating gear and the teeth can realize precise adjustment of the angle of the adjusting fan blade, the ventilation volume control error is reduced, the precision is improved compared with traditional manual adjustment, multiple adjusting fan blades are linked through adjusting rods and adjusting discs, the ventilation pipe inner cavity ventilation cross-sectional area can be changed synchronously, the airflow deflection problem of traditional single baffle adjustment is avoided, the kiln working condition rapid change demand is adapted, a sealing strip is arranged on the top of the adjusting fan blade, and heat loss caused by traditional baffle gap air leakage is avoided.

The utility model belongs to ventilation system technical field, and disclose detachable maintenance's variable air volume ventilation system filter device structure, including ventilation frame, the surface of ventilation frame is connected with the connecting frame, the inside jointing of connecting frame has two clamping plates, two clamping plates are connected with filter fan piece, the inside of ventilation frame is connected with ventilation fan, the utility model discloses through the outside expansion function of composite expansion spring makes the slide of upper side and the slide of lower side always receive the opposite support force, makes two slides receive the external force and opposite approach simultaneously also make two slides opposite reset separation, make the limiting rod with the inside opposite jointing fixed of connecting frame under the magnetic attraction of first magnetic absorption piece and second magnetic absorption piece, thereby convenient with clamping plate and filter fan piece and connecting frame clamping installation, avoid the situation that filter fan piece appears to fall off, and convenient with clamping plate and filter fan piece and connecting frame separate dismounting, be convenient for the maintenance to clamping plate and filter fan piece.

The utility model is suitable for medical equipment technical field provides a kind of breathing apparatus for C13 detection;Including: blowing pipe, blow pipe inside is provided with flow passage, and the top of blowing pipe is provided with the opening that is communicated with flow passage;Connecting mounting seat, and the bottom of blowing pipe is rotatably installed in the installation groove on connecting mounting seat, and the side wall in the inside of blowing pipe that is provided with communicating hole is set in connecting mounting seat, and communicating hole is communicated with flow passage;First detection gas bag, and the gas delivery end of first detection gas bag is communicated with the first communicating flow passage on connecting mounting seat;Second detection gas bag, and the gas delivery end of second detection gas bag is communicated with the second communicating flow passage on connecting mounting seat, and first communicating flow passage and second communicating flow passage are all set on the track of communicating hole passing;And timer installed on connecting mounting seat, timer is installed with timing switch on the side wall close to blowing pipe, and setting touch protrusion on blowing pipe, and timing switch is set on the track of touch protrusion.

The application provides a guide and breathing system for a bronchofibroscope, which comprises a cover body used for covering a throat and forming a closed cover cavity communicating with a trachea in use, and a pipeline structure fixedly connected with the cover body and comprising an endoscope pipeline and a ventilation pipeline which are independent of each other and communicate with the cover cavity, and a drainage pipeline arranged to pass through the inside of the cover body but not communicate with the cover cavity, so as to communicate with an esophagus through a drainage outlet on the cover body in use. When the guide and breathing system is used, the reflux of secretions of a patient during an endoscope operation can be disposed through the independent drainage pipeline, and the bronchofibroscope only occupies part of the space in the laryngeal mask channel in the case of the endoscope operation, so that the patient can inhale sufficient oxygen, and the safety of the patient during the operation of the bronchofibroscope is ensured.

The utility model provides a kind of electric push rod ventilation protection structure, the electric push rod includes organic shell and is located on the ventilation valve of the shell, the ventilation protection structure includes cover body, the cover body is installed on the shell, the cavity that can be wrapped inside ventilation valve is formed in the cover body, the cover body has the vent hole that is in fluid communication with the cavity, the vent hole direction is downward, by forming cavity in cover body and surrounding ventilation valve inside, ventilation valve is formed protection, avoid water and dust directly cover on the surface of ventilation valve and make ventilation valve block failure;And ventilation hole is set on cover body to balance the air pressure inside and outside cavity, so that the ventilation valve in cavity can work normally, the vent hole is designed as direction downward, water and dust are not easy to enter cavity from vent hole and adhere to the surface of ventilation valve, provide a stable working environment for ventilation valve.

This invention relates to the field of medical device technology and discloses a surgical sternal closure fixator, comprising a main body, a male hook plate at one end of the main body, and a fixing mechanism on the main body. The fixing mechanism includes a flexible plug and a female hook plate. The flexible plug is located inside the main body, and the female hook plate is connected to the end of the flexible plug away from the male hook plate. The fixing mechanism includes a sliding mechanism, which includes a female hook plate located on the inner wall of the female hook plate facing the male hook plate, with one end of the female hook plate inserted into the flexible plug. The flexible plug contains an auxiliary mechanism and a rotating mechanism, the auxiliary mechanism being connected to the rotating mechanism. A wobbling mechanism is provided on the side wall of the female hook plate facing the male hook plate. This invention can adjust the gripping force and gripping position according to the expansion and contraction of the sternum during the patient's breathing, reducing local misfitting between the fixator and the sternum, which affects the stability of sternal fixation and improving stability.

1. Name of the product in this design: Lower part of the frame of a breathing mask. 2. Purpose of this design: The product as a whole is the frame of a breathing mask, and the part of the product is the lower part of the frame of the breathing mask. 3. The key design features of this product are the shape of the solid lines. 4. The image or photograph that best illustrates the design's key points: a 3D model. 5. Other situations requiring explanation: The dashed lines in the diagram represent the content that is not claimed for protection, and the dotted lines are the dividing lines between the parts that are claimed for protection and the parts that are not claimed for protection.

This utility model provides a ventilation structure for preventing air pollution in enclosed spaces, relating to the field of air pollution ventilation. The ventilation structure includes a ventilation fan housing, with a mounting cover snapped onto the left side of the housing. The mounting cover is fixed to the surface of the ventilation fan housing by screws, and a wall-mounted bracket is provided on the left side of the mounting cover. This ventilation structure, through the cooperation of the mounting cover, screws, a first assembly bracket, a second assembly bracket, a base plate, a first docking groove, a fixing groove, a pin, a hole, a top plate, a second docking groove, a reinforcing groove, a through hole, a locking rod, a telescopic structure, and a limiting structure, allows for convenient fixing of the upper and lower parts of the ventilation fan housing, thus completing the installation of the ventilation fan housing. This solves the problem of current ventilation structures for preventing air pollution in enclosed spaces being inconvenient to install, resulting in time-consuming and labor-intensive installation.

The application provides a device for wind flow stabilization and guidance at a corner of a ventilation roadway of a coal mine, and relates to the technical field of ventilation equipment. The device comprises a bent pipe and a flow guide ring arranged in the inner side wall of the bent pipe. The adaptive flow guide structure provided by the application can inhibit vortex and reduce ventilation resistance under high-speed airflow through deformation, and can recover part of energy under low-speed state through flow channel design, so as to enhance the wind flow stability and ventilation efficiency at the corner of the roadway, adapt to different wind conditions, and improve the safety and reliability of the ventilation system.

The utility model discloses a kind of ceiling board structure based on ventilation system, belong to ceiling ventilation technical field, comprising: cross frame body and air supply pipeline;Multiple square grid ports formed by the cross frame body are all fixedly provided with ceiling, multiple air holes are opened in the outer wall of the ceiling, the outer wall of the cross frame body is detachably connected with dust cover by screw in the periphery of each ceiling, the top of the ceiling is provided with switch mechanism, the outer wall of the air supply pipeline is provided with multiple shunt mechanism, the utility model is controlled by setting switch mechanism and electromagnetic valve shunt mechanism, the air hole of each ceiling can be independently controlled to open or close, airflow can be accurately delivered to target area, flexibly adjust according to requirement, and cross frame body is well-type grid structure, air supply pipeline, ceiling, shunt mechanism, dust cover are detachable modular design, conducive to standardization production and construction.

The utility model discloses a fan assembly, patient ventilation system and magnetic resonance imaging system for patient ventilation system in magnetic resonance imaging system, wherein, fan assembly includes: fan group, it includes at least two axial flow fan, at least two axial flow fan is fixed with the way of realizing air port series pressurization, magnetic shielding casing, it covers the periphery of fan group, air inlet connector, it is arranged on the air inlet side of magnetic shielding casing near fan group for with the air inlet pipeline connection of patient ventilation system, and air outlet connector, it is arranged on the air outlet side of magnetic shielding casing near fan group for with the patient ventilation pipeline connection of patient ventilation system. The technical scheme in the utility model embodiment can solve the patient ventilation problem of MRI system.

The utility model relates to medical auxiliary appliance related technical field more, more specifically, the utility model provides prone position ventilation air cushion, including support pad body and support part, the support part sets up in support pad body, and the support part includes with the face support air cushion, shoulder support air cushion, crotch support air cushion and knee support air cushion corresponding to the position of the limb part, the face support air cushion, shoulder support air cushion, crotch support air cushion and knee support air cushion independently sets up and is respectively through the inflation conduit with the air pump intercommunication, the shoulder support air cushion and knee support air cushion respectively are equipped with phase change material in, the face support air cushion is provided with ventilation groove, is equipped with the collecting box for receiving secretion in ventilation groove, and the collecting box setting in ventilation groove is opposite the mouth part setting, is used for receiving oral cavity secretion (such as saliva), and the secretion in the collecting box is washed and collected regularly by starting negative pressure pump and water pump, avoids the secretion stagnation and influences ventilation function.

The application discloses an atomizer and an aerosol generating device. The atomizer comprises a shell, an atomizing seat and an atomizing core. The atomizer has a liquid storage bin. The shell is provided with an inner cavity. The atomizing seat is arranged in the inner cavity. The atomizing seat is provided with a liquid supply channel and a ventilation passage. One end of the ventilation passage is in communication with the external atmosphere, and the other end is in communication with the liquid supply channel. The liquid supply channel comprises a liquid guide passage, a first flow path and a second flow path. The liquid storage bin is in communication with the liquid guide passage. The capacity of the first flow path is greater than that of the second flow path. The atomizing core is arranged in the atomizing seat. The atomizing core and the liquid guide passage are in liquid communication. The atomizer of the application is beneficial to improve the problem of air bubbles in the liquid supply channel, thereby improving the smoking taste of the aerosol.

This application relates to a continuous positive airway pressure (CPAP) device and a method for controlling ventilation pressure. The minimum operating pressure is determined by acquiring a preset treatment pressure and a target pressure drop. The device monitors the patient's respiratory phase transitions in real time and employs different pressure regulation strategies for the inspiratory and expiratory phases. During the inspiratory phase, the ventilation pressure is smoothly adjusted from the preset treatment pressure to the minimum operating pressure and maintained to reduce inspiratory effort. During the expiratory phase, the ventilation pressure is gradually increased from the minimum operating pressure to ensure that the ventilation pressure returns to the preset treatment pressure at the end of the expiratory phase, maintaining airway support and avoiding the risks of airway closure and central apnea. This application improves patient comfort during CPAP therapy, enhances treatment compliance, and simultaneously ensures airway support while reducing the risks of airway closure and central apnea.

A method for ventilating a patient includes providing pressure into a patient's airway over a period of time that includes a plurality of inhalation periods and a plurality of exhalation periods. The pressure is at an inspiratory positive airway pressure during the inhalation periods, and the pressure is at an expiratory positive airway pressure during the exhalation periods. The expiratory positive airway pressure less than the inspiratory positive airway pressure, and the expiratory positive airway pressure is configured to maximize lung compliance of the patient.

This invention relates to the field of ventilation technology, specifically to a ventilation control method and system for coal mine roadways. It includes: obtaining the concentration of harmful gases in a target area based on the roadway environment; the target area includes at least one end of a first roadway and one end of a second roadway connected at a preset angle; the target area includes two equal-area first cross-sections and a second cross-section arranged sequentially along a first direction; based on a preset rule for the concentration of harmful gases in the target area, driving ventilation components located around the target area into an deployed state; before deployment, the ratio between the first fresh air flow rate Q1 of the first cross-section and the second fresh air flow rate Q2 of the second cross-section is greater than a first preset value; in the deployed state, the ratio between the first target flow rate QS1 of the first cross-section and the second target flow rate QS2 of the second cross-section is less than the first preset value. This solves the problem of safety hazards caused by the accumulation of harmful gases in coal mine roadways.

The utility model relates to the technical field of breathing mask, concretely is a breathing mask for anesthesia recovery, including breathing mask, the front side of breathing mask is provided with the mounting protruding, the front side of mounting protruding is provided with the mounting piece, the front side of mounting piece is provided with three fixed caps equidistance, the front side of mounting protruding is provided with three fixed columns equidistance, the inside of fixed column all is provided with the thread groove, the inside of fixed cap all is provided with the thread column, in the utility model, through the mounting protruding of breathing mask front side setting, with mounting piece connects, increases different user population when using breathing mask, selects the breathing mask of adapting to the size of user face, then again installs through fixed cap, is convenient for installation and dismounting, in the use process, only needs to replace different breathing mask according to the user, and mounting piece and fixed cap do not need to replace, reduces manufacturing cost.

This application relates to a method, system, equipment, and medium for intelligent control of gas concentration in the tunnel boring machine (TBM) environment. The method includes: acquiring a three-dimensional reconstructed reduced-order model of the gas concentration field; acquiring multi-source monitoring data of the tunneling environment and standardizing it to obtain a standardized input dataset; correcting the gas concentration field state vector based on the standardized input dataset and the model to obtain a corrected gas concentration field state vector; performing multi-step prediction of the gas concentration change trend based on the corrected gas concentration field state vector to obtain a gas concentration risk evolution sequence for future periods; and optimizing the control parameters of the ventilation and exhaust equipment based on the future gas concentration risk evolution sequence and the operating constraints of the ventilation and exhaust equipment to obtain a control command sequence. This method enables three-dimensional global perception and proactive forward control of gas concentration, solving the problems of control lag and blind spots.

This utility model discloses a dual-exhaust extended ground-level ventilation system, belonging to the field of ground-level ventilation technology. It includes a building and a ditch located beneath the building. The front wall of the building is equipped with a wet curtain for air intake, and the rear wall is equipped with an exhaust fan for exhausting air outwards. The floor of the building is fitted with a perforated plate connected to the ditch. Exhaust fans for exhausting air outwards are installed at both ends of the ditch. This dual-exhaust extended ground-level ventilation system has the following advantages: dual-end exhaust, suitable for long-distance ditches: avoids the wind speed attenuation of single-end exhaust, making the airflow within the ditch more uniform; complementary double-layer airflow, eliminating ventilation dead zones: the main ventilation of the building covers the upper and middle activity areas, while the auxiliary ventilation of the ditch specifically removes accumulated waste gas from the ground, with superimposed double-pathways eliminating ventilation blind spots.

This utility model discloses an anesthesia breathing mask, including a breathing mask body. Symmetrical fixing straps are installed on the sides of the breathing mask body. A movable cavity is formed within each fixing strap, and a rotating rod is rotatably mounted within the movable cavity. A connecting strap is installed on the side of the rotating rod, and a torsion spring is installed within the rotating rod. One end of each fixing strap has a binding strap, and both ends of the binding strap are connected to two connecting straps. This utility model, by setting up fixing straps and movable cavities, allows the two connecting straps to be stretched by pulling one end of the binding strap. The rotating rod rotates within the movable cavity, torsionally twisting the torsion spring. The rebound of the torsion spring causes the connecting strap to wrap around the side of the rotating rod, thereby binding the binding strap behind the patient's head. After the breathing mask body is worn on the patient's face, the pulling of the binding strap ensures a close fit between the breathing mask body and the patient's face. This eliminates the need for medical personnel to manually press the breathing mask body to prevent air leakage, improving the applicability of the breathing mask body.

The present disclosure relates to a heat recovery ventilation system. A ventilation system according to an embodiment of the present disclosure comprises a case having a corner space formed as an open space at a corner of a part into which outdoor air or room air is introduced, a total heat exchanger disposed inside the case to exchange heat between outdoor air and room air, and a flange panel coupled to the corner space of the case to allow a direction in which outdoor air or room air is introduced to be changeable.

The application belongs to the technical field of dysphagia rehabilitation, and particularly relates to a cold stimulation device for dysphagia rehabilitation, which comprises a supporting column, a reciprocating electric telescopic rod coaxially and fixedly connected to one end of the supporting column, a semiconductor touch head fixedly connected to a telescopic end of the reciprocating electric telescopic rod, a biting seat fixedly connected to the supporting column, biting air bags fixedly and symmetrically connected to the biting seat, the biting air bags being communicated with the supporting column, and a detection tube fixedly connected to the biting seat. The oral cavity sealing mechanism automatically triggered by biting action can accurately detect the swallowing action according to the negative pressure of the oral cavity. After the effective swallowing action is detected, the stimulation can be paused through a delay start switch, the next round of training can be automatically started after the rest, and the timing and rhythm of each stimulation are ensured to be consistent with the physiological response. The normal exhalation can be realized while the oral cavity sealing space is formed, and the breathing safety is ensured.

Provided is a new ventilator that can be used for pulmonary resuscitation without requiring an electrical driving source. A ventilator includes a housing. The housing has an input port through which a gas is introduced into the housing, a main port through which the gas that is to be sent to and inhaled by a patient and a gas that is exhaled by the patient pass, an exhaust port through which the gas inhaled or the gas exhaled is exhausted from the housing, a ventilation path connecting the input port and the main port to each other, and a relief valve that is opened by receiving a pressure from the ventilation path and that allows communication between the ventilation path and the exhaust port so as to release the pressure.