127 results about "Exsufflation" patented technology

The application provides a postoperative respiratory training device, which comprises a shell, a resistance mechanism, an adjusting mechanism and a limiting piece, opposite sides of the shell are respectively provided with an air inlet channel and an air outlet channel; the resistance mechanism comprises a rotating shaft, a fan blade and a spiral spring; the rotating shaft is rotatably installed in the shell, and a plurality of fan blades are installed on the rotating shaft; the outer end of the spiral spring is fixedly installed on the shell; the center end of the spiral spring is installed on the rotating shaft through the adjusting mechanism, and the adjusting mechanism can control the center end of the spiral spring to rotate around the rotating shaft; the fan blade is provided with a sliding groove in the length direction, one end of the limiting piece is slidably installed in the sliding groove, the shell is provided with a spiral groove, and the other end of the limiting piece is slidably installed in the spiral groove. The number of turns of the spiral spring is controlled through the adjusting mechanism; the number of turns of the spiral spring increases, which indicates that the reverse resistance is greater, and the number of turns of the spiral spring decreases, which indicates that the reverse resistance is smaller; thus, the size of the reverse resistance can be reasonably adjusted according to the rehabilitation condition of the patient.

The utility model provides a dual-purpose anti-leakage enema and excrement collecting device. The dual-purpose anti-leakage enema and excrement collecting device comprises an enema bag, an infusion tube, an exhaust tube, an excrement collecting tube, an exhaust assembly and an anti-leakage assembly. The infusion tube is fixedly connected to the bottom of the enema liquid bag; the exhaust pipe is communicated with the outer wall of one end of the infusion pipe; the excrement collecting tube is communicated with the outer wall of the other end of the infusion tube; the exhaust assembly is arranged on the exhaust pipe; and the anti-leakage assembly is arranged on the infusion tube. According to the dual-purpose anti-leakage enema and excrement collecting device, through the structural design of the enema bag, the infusion tube, the exhaust tube, the excrement collecting tube, the exhaust assembly and the anti-leakage assembly, the enema function and the excrement collecting function are well combined, when enema is conducted on a patient suffering from abdominal distension, gas in the intestinal tract can be conveniently exhausted, leakage in the enema process is reduced, and the enema effect is improved. Leakage can be conveniently adsorbed, and the enema effect is good.

This invention relates to the field of medical device technology, specifically to a chest drainage device, comprising a collection bottle containing a small water-seal bottle suspended within it. The distance between the center of gravity of the water-seal bottle and the inner upper surface of the collection bottle is between one-third and one-half the height of the collection bottle. Both the water-seal bottle and the collection bottle are made of transparent hard plastic. An exhaust pipe and a drainage pipe are connected at the top of the collection bottle. The upper end of the drainage pipe extends outside the collection bottle, while the lower end is inside the collection bottle and extends into the water-seal bottle. The water-seal bottle acts as a damper for the collection bottle, and the damping effects of both interact with each other, making the whole device more stable and effectively reducing the impact of swaying during movement. This makes it more suitable for outdoor use, combat trauma, and other similar scenarios. Furthermore, because the water-seal bottle is small, when a patient drains effusion, the drained effusion first enters the water-seal bottle and then overflows into the collection bottle. Using the collection bottle to collect the effusion avoids both backflow and prevents the effusion from affecting the drainage effect.

The utility model discloses an air exhaust type PP medicine cabinet which comprises a medicine cabinet body, a closed cabinet door is connected to the medicine cabinet body in a rotating mode, a storage cavity is formed in the medicine cabinet body, a placing table is arranged in the storage cavity, an air exhaust cavity communicated with the storage cavity is formed in the medicine cabinet body, a fixing groove is formed in the top of the medicine cabinet body, and the air exhaust cavity is communicated with the placing table. A fixing groove is formed in the medicine cabinet body, an air extracting pump is arranged in the fixing groove, a purification cavity is formed in the medicine cabinet body, a first air pipe and a second air pipe which are correspondingly communicated with the air extracting cavity and the purification cavity are arranged on the air extracting pump, a purification frame is arranged in the purification cavity, and an adsorption purification layer is arranged on the purification frame. According to the chemical medicine purifying device, through the arrangement of the sucking pump, the first gas pipe and the second gas pipe, volatile gas of chemical medicine in the storage cavity can be conveniently pumped out and guided into the purifying cavity, and the volatile gas can be subjected to adsorption purifying treatment through the adsorption purifying layer on the purifying frame; therefore, the exhaust and gas purification treatment work in the medicine cabinet can be completed.

The utility model relates to an automatic flue gas removing abdominal machine, which is characterized in that a main body is a pneumoperitoneum machine for establishing and maintaining pneumoperitoneum; the pneumoperitoneum machine comprises an air inlet channel, and the two ends of the air inlet channel are connected with an air source and an abdominal cavity respectively. One end of the exhaust channel is communicated with the abdominal cavity, and a smoke removal pump and an electromagnetic valve are sequentially arranged in the airflow flowing direction; the micro-control unit is provided with a digital communication interface used for being connected with an endoscope camera system; wherein a branch pipe communicated with the exhaust passage is arranged at the air inlet end of the smoke removal pump, the other end of the branch pipe is communicated with the exhaust passage at the air outlet end of the smoke removal pump, and a speed regulating proportional valve is arranged on the branch pipe; and the micro-control unit is connected with the speed regulation proportional valve, the smoke removal pump and the electromagnetic valve. The smoke exhaust device has the advantages that the smoke exhaust device can adjust the size of smoke, adjust the gas displacement, ensure that the smoke is removed to the maximum extent with the minimum gas consumption, reduce the consumption of carbon dioxide gas and reduce the consumption cost of medical consumables.

Described herein is a respiratory care apparatus capable of performing multitude of therapy for secretion management and breath assistance therapy. The respiratory care apparatus comprises an electromechanical air router assembly (EARA) and an interfacing assembly. The EARA includes independent first and second pressure generating sources for assisted inhalation / insufflation and assisted exhalation / exsufflation process. The interfacing assembly includes a patient interface port and a patient interface tube. The interfacing assembly forms two pneumatically separate paths. The respiratory care apparatus is configured to generate alternate positive and negative pressure at the patient interface port for assisted inhalation / insufflation and assisted exhalation / exsufflation processes respectively. The assisted inhalation / insufflation and assisted exhalation / exsufflation processes are carried out independently through separate conduits / passages to reduce contamination and infection. Further, the respiratory care apparatus comprises a garment which oscillates due to alternate positive and negative pressure generation and provides therapy to the patient.

The application discloses a kind of intelligent operation body position monitoring method and system for long time operation pressure injury prevention, it is related to intelligent medical equipment and medical sensing monitoring technical field, for solving the problem of poor anti-interference and prone to body position displacement caused by blind decompression of traditional operation pressure sore prevention means.First, stress and temperature and humidity signals are acquired by sensor array and compensation calibration is carried out, environmental interference is eliminated to construct pressure distribution matrix;Subsequently, stress gradient is analyzed and time accumulation mapping is carried out relying on topological characteristics, and core high-risk site and load characteristics are accurately locked;Then, physiological and time sequence parameters of patient are fused to deduce tolerance baseline, and individualized bearing limit boundary is generated to realize dynamic early warning;Finally, the strategy of establishing support by using peripheral air bag progressive pre-inflation and center air bag servo unloading exhaust is adopted, which completely resolves concentrated stress while maintaining the absolute stability of operation body position, and constructs active protection closed-loop system.

The present invention relates to a portable fill-type air respirator equipped with a combination fill and multi-stage decompression structure, the emergency air respirator providing air containing oxygen to a patient in case of a fire evacuation or emergency. Specifically, without a separate decompression structure, air is rapidly supplied using a built-in decompression valve, compressed air is refilled through a filling port, and high-pressure compressed air is decompressed in multiple stages so that, at the point of discharge, as decompression has taken place multiple times in a decompression section as well as in a discharge channel, the air is discharged in a state that is comfortable for a user to breathe in. Therefore, the present invention ensures reduction in size and portability by filling a high-pressure container with high-pressure air, and supplies high-pressure air to a user at a stable pressure via multi-stage decompression.

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.

The utility model belongs to the field of medical equipment, and particularly relates to a breathing critically ill oxygen supply device which comprises an oxygen supply machine, a vertical block is assembled on the oxygen supply machine, a transverse block is assembled on the vertical block, a fixing block is assembled on the transverse block, a guide rod is assembled on the fixing block, an operation motor is assembled on the fixing block, and a double-thread lead screw is assembled on the operation motor. The double-thread lead screw is provided with an external thread, the external thread on the double-thread lead screw is provided with a traction block, the traction block and the guide rod are assembled, the transverse block is provided with a movable rod, the movable rod is provided with a limiting plate and an adjusting block, the adjusting block is provided with a connecting block, and the connecting block is provided with a traction ring. According to the oxygen supply device for the critical respiratory disease, through the cooperation of the double-thread lead screw and the traction ring, the problems that an existing exhaust hose is difficult to keep a horizontal stretching state in the use process, the overlong exhaust hose is in a U shape under the influence of gravity, and oral liquid can be gathered and is not prone to flowing out are solved.

An abdominal pressure exsufflation belt is disclosed. An example of the abdominal pressure exsufflation belt includes an abdominal belt configured to be worn by a person about their abdomen. The exsufflation belt also includes a pouch of the abdominal belt. The exsufflation belt also includes a bladder in the pouch. The exsufflation belt also includes tubing connected between the bladder and an external ventilator to enable air flow from the external ventilator to expand the bladder and press against the abdomen of the person wearing the abdominal belt. Expansion of the bladder delivers a force to the abdomen resulting in expiration as the external ventilator inflates the bladder, followed in sequence by passive inspiration by the person wearing the abdominal belt as the bladder deflates.

The present invention relates to a method for controlling a ventilation system (2), wherein the ventilation system (2) comprises an inlet (4) for receiving inlet air (5), a conditioning section (9) for conditioning the received inlet air (5), an outlet (6) for discharging outlet air (7), and a control device (8). The method comprises the following steps: defining a setpoint window for at least one air parameter of the outlet air (7), preferably by the control device (8); and controlling the conditioning of the inlet air (5) in the conditioning section (9) based on the setpoint window by the control device (8). Furthermore, the present invention relates to a corresponding ventilation system (2) and a system (1) with such a ventilation system (2).

The utility model discloses an anti-air-leakage device for a pipeline in a snore-ceasing pillow, which comprises an exhaust component, an air pipe is arranged outside the exhaust component in an extending manner, a clamping component is arranged outside the air pipe, the clamping component comprises a fixing block with a hollow interior, and clamping blocks distributed in a circumferential array are arranged on the outer wall, close to the exhaust component, of the fixing block. Clamping grooves are formed between the clamping blocks, a rotating ring capable of keeping rotating is arranged on the outer wall, away from the exhaust assembly, of the fixing block, a spiral ring extending into the fixing block is arranged on the outer wall, close to the fixing block, of the rotating ring, clamping blocks are arranged in the clamping grooves in a clamped mode, and threaded grooves are formed in the positions, corresponding to the spiral ring, of the outer walls of the clamping blocks so as to keep meshing. The rotating ring is driven to maintain axial rotation so as to drive the clamping blocks to maintain reciprocating motion along the clamping grooves. According to the air leakage preventing device for the pipeline in the snore stopping pillow, the clamping blocks are inserted into the clamping grooves and can be meshed with the spiral ring, and when the rotating ring rotates, the distance between the clamping blocks can be changed so as to tightly clamp the air pipe.

The invention provides an anti-motion artifact restraint device for an MR examination image of a head tremor patient, which comprises a base, a fixing assembly and an air bag protection mechanism, and the air bag protection mechanism comprises a second air bag assembly arranged on the inner side of the fixing assembly and a first air bag assembly corresponding to the top of the head, the second air bag assembly comprises at least two independent inflatable air chambers, all air bag bodies are provided with independent inflation and deflation passages and control valves, and the medical device can adapt to head types of different patients through the multiple independent controllable air bags, three-dimensional wrapping is achieved, a gap between the head and the fixing base is effectively filled, and the medical device is more convenient to use. By independently increasing the air pressure of the air bag in a region with strong tremor, an accurate and flexible tremor suppression effect can be achieved, motion artifacts in scanning are remarkably reduced, and meanwhile the comfort level of a patient is improved.

The application relates to the technical field of medical equipment, in particular to a training device for respiration and critical illness medicine, which comprises a saliva treatment module; an entertainment module for entertainment during children's respiration training is spirally connected to one side of the saliva treatment module; one end of a first hose is communicated with an airflow detection module for exhaust quality detection during children's respiration training; the other end of the airflow detection module is communicated with a second hose; the other end of the second hose is communicated with a sterilization module for gas sterilization; when respiration training is carried out on children patients, rotating the rotating ring on the outside can switch the second magnetic ring at different positions to cooperate with the rotating ring; different entertainment tools can be arranged above through the arrangement of a first hollow sleeve, a second hollow sleeve and a third hollow sleeve; the children blow the saliva treatment module, at this time, the entertainment toys above the entertainment module are started, which helps to attract the children to carry out multiple respiration training, helps to effectively exercise the lungs and is beneficial to subsequent rehabilitation work.

The utility model discloses a waste gas drainage bottle for exhaust smoke in an operation, and relates to the field of laparoscopic operations, in particular to the waste gas drainage bottle for exhaust smoke in the operation, which comprises a water box filled with a certain amount of waste gas treatment absorption liquid, and a drainage tube connected with a Trocar exhaust hole is arranged on the water box. One end of the drainage tube is connected with the water box, the other end of the drainage tube is immersed in waste gas treatment absorption liquid, a water injection opening is formed in the top of the water box, a sealing cover is arranged on the top of the water injection opening, and an exhaust valve capable of adjusting the flow speed is arranged on the sealing cover. The problems that smoke and harmful gas cannot be treated, the space of an operation site is occupied by using an active exhaust mode, and laparoscopic surgery is affected are solved.

The present invention relates to a face mask (also called full face) for respiratory therapy, in particular for non-invasive mechanical ventilation, with a low value of CO2 rebreathing. The mask according to the invention is of the type comprising a shaped shell (11) configured so as to cover at least the mouth, the nose and the eyes of a patient when the mask is worn, and is characterised in that it comprises, on said shaped shell (11) an inlet fitting (17) for the connection to a pipe through which a ventilation apparatus supplies the mask with a mixture of air and oxygen, and an outlet fitting (15), separate from said inlet fitting (17), for the discharge of air exhaled by the patient. With this arrangement, the mask according to the invention allows drastically reducing the phenomenon of carbon dioxide rebreathing, very harmful for the patient subjected to ventilation.

The invention discloses a breathing demisting method, a breathing demister and a breathing demisting system for a normal-pressure container, and belongs to the technical field of industrial waste gas treatment. According to the method, a hydrophobic membrane filter element type demister is arranged at a breathing opening of a container, so that bidirectional gas-liquid separation is realized: when the container exhausts gas, acid-containing entrainment is intercepted, and clean emission is realized; when the container sucks air, moisture in the air is removed, and equipment corrosion is prevented. The breathing demister comprises a shell and a hydrophobic membrane filter element arranged in the shell, and the shell is provided with an air inlet / outlet, a breathing opening and a liquid outlet. According to the system, a breathing demister is connected with a normal-pressure container to form a complete treatment loop. By utilizing the efficient gas-liquid separation characteristic of the hydrophobic membrane, the two problems of unorganized emission pollution and equipment corrosion in the breathing process of the normal-pressure container are solved at one stroke, and the device has the advantages of being compact in structure, free of maintenance, safe and environmentally friendly.

The utility model discloses an ear-nose-throat atomization dosing device, including atomizer and medicine delivery pipe, and the medicine delivery pipe's medicine inlet end is communicated with the medicine outlet end of atomizer and is installed, still include: gas heater, its top side in the medicine outlet end of atomizer and with the fixed connection of atomizer's outer wall, the soft pad, its inside hollow forms and forms the flow guide groove, the middle position of soft pad one end fixedly penetrates and installs the pressure limiting valve, and the air inlet end of pressure limiting valve and the exhaust end of gas heater are communicated and installed, be equipped with exhaust mechanism in the flow guide groove. This improved ear-nose-throat atomization dosing device uses, can under the condition that almost does not influence medicine delivery pipe bending deformation, synchronous to atomization medicine for sustained heating treatment, to make the atomization medicine of medicine delivery pipe discharge always maintain in the warm state, can greatly reduce atomization medicine in with patient ear-nose-throat inside contact to patient's irritability, not easy to cause patient to feel uncomfortable.

The invention discloses a simple respiratory training device, and particularly relates to the technical field of respiratory training devices.The simple respiratory training device comprises a respiratory bottle, a first bottle cap is arranged at an opening of the respiratory bottle through a thread in a sleeving mode, a gasket is fixedly arranged on the inner wall of the first bottle cap, and the gasket blocks the opening of the respiratory bottle; the first bottle cap is provided with an expiration pipe penetrating through the first bottle cap and the gasket, the bottom end of the expiration pipe extends into the breathing bottle, the first bottle cap is provided with an exhaust assembly, and the exhaust assembly comprises an outer pipe penetrating through the first bottle cap and the gasket. Air in the breathing bottle is exhausted through the exhaust assembly, normal training use can be ensured only by controlling the water injection rate, reasonably adjusting the water surface height and controlling the expiration intensity, the situation that water in the breathing bottle is excessively close to an opening of the breathing bottle and leaks is avoided in the mode, and the leakage risk is greatly reduced.

The application discloses a passive micro-fluidic liquid slow-release system and a nasal cavity drug delivery device, which comprises a micro-fluidic liquid storage bin, a multi-stage gradient flow resistance channel network, a slow-release unit and an air inlet and outlet balance assembly. The system makes the equivalent diameter of the micro-channel gradually decrease along the flow direction, concentrates the flow resistance on the end micro-hole, shields the liquid level fluctuation at the front end, and realizes passive constant pressure release. In view of the problems of liquid injection and start, independent air inlet and outlet micro-channels and a detachable elastic gas storage bin are introduced, air is discharged and liquid is sucked under negative pressure during liquid injection, the gas storage bin is pressed to generate a pulse to break a disposable micro-fluidic valve during start, and the air pressure is balanced through the air inlet channel during the release period to prevent vacuum deadlock. Combined with the continuous conical transition and the end biomimetic capillary groove liquid locking design, the application completely gets rid of the constraint of external power, and is suitable for portable nasal cavity essential oil slow-release and clinical micro-dosage.

The invention relates to the technical field of medical equipment, and discloses a pilot cavity type air control breathing machine PEEP valve which comprises a pilot cavity, a connecting shell, an expiration mechanism, an exhaust port and a spring sealing mechanism. The pilot cavity is provided with a pressure measuring assembly and an intake and exhaust control assembly; the connecting shell is fixedly connected and communicated with the pilot cavity; the expiration mechanism comprises a shell and an air inlet pipe, the shell is installed on the side, away from the pilot cavity, of the connecting shell, the air inlet pipe is fixedly installed on the end face, away from the pilot cavity, of the shell, one end of the air inlet pipe extends into the shell, a gap is formed between the outer wall of the air inlet pipe and the inner wall of the shell, and the air inlet pipe and the gap communicate with the connecting shell; the exhaust port is formed in the side wall of the shell and communicates with the interval. The spring sealing mechanism comprises a first diaphragm, a second diaphragm and a spring; the spring is located in the connecting shell. The positive end-expiratory pressure regulating device can realize continuous, accurate and adjustable positive end-expiratory pressure, and the production cost is remarkably reduced.

The invention provides a medical silica gel three-dimensional safe speed control enemator, and relates to the technical field of enemator, the enemator comprises a protective soft shell, a mounting connecting column is fixedly mounted at the bottom end of the protective soft shell, a cylindrical mounting box is arranged below the mounting connecting column, and the top end of the cylindrical mounting box is in threaded connection with the bottom end of the mounting connecting column; the cavity is formed in the cylindrical mounting box, the enema tube is arranged in the cavity, enema liquid is poured into the enema bag in the protective soft shell, then the independent lubricating liquid in the cylindrical mounting box is extruded, the imbedding end of the enema tube is fully lubricated, and meanwhile the independent lubricating liquid on the inner side wall of the cavity of the cylindrical mounting box can further lubricate the outer wall of the enema tube when the enema tube stretches out. The speed control valve installed in the connecting column is opened, exhaust is conducted, then closing is conducted, pollution is avoided, paraffin oil is smeared, finger examination is conducted to eliminate crissum anomalies, sphincter is relaxed, liquid medicine in the enema bag is guided into the speed control valve through the connecting water pipe, and after the valve is opened, the liquid medicine is conveyed to the connecting pipe through the enema pipe and prepared to be inserted into the intestinal tract.

The invention belongs to the technical field of air supply assemblies, and discloses a quick-replaceable air supply assembly for critical respiratory patients, which comprises a main oxygen bottle and an auxiliary oxygen bottle, and further comprises a conversion cavity, two air inlets are formed in the lower end of the conversion cavity, at least two air outlets are formed in the upper end of the conversion cavity, and air inlet connecting assemblies are fixedly arranged at the air inlets; the air supply assembly comprises a main air delivery pipe and an auxiliary air delivery pipe, the main air delivery pipe is provided with an air inlet, the auxiliary air delivery pipe is provided with an air outlet, the air outlet is provided with an air outlet connecting assembly, the main air delivery pipe and the auxiliary air delivery pipe are both provided with air inlet connectors corresponding to the air inlet connecting assembly, the air outlet connecting assembly is provided with an air outlet connector, and the end of the air outlet connector is fixedly provided with an air delivery pipeline. Due to the design of the whole gas supply assembly, the gas conveying process is more stable, continuous and stable oxygen can be provided according to the actual requirements of the patient, the treatment effect of the critical respiratory patient can be improved, and more powerful guarantee is provided for life health of the patient.

A cushion module for a patient interface for delivering positive pressure respiratory therapy to a user. The cushion module has a seal for forming a seal around the mouth and nostrils of the user, and has a housing connected to the seal. The housing and the seal form a cavity configured to receive a flow of pressurized gas. The sealing piece is provided with at least one opening, and the at least one opening is used for communicating the pressurized gas with the user; an inlet through which the pressurized gas is received into the cavity; an outlet through which gas is discharged from the gasket module; and an exhaust conduit configured to extract gas from the user's nostrils through at least one exhaust conduit inlet and direct it to the outlet of the cushion module.

The invention relates to the technical field of respiratory training, and discloses a dual-function respiratory training device which comprises a bottom box, a first end of the bottom box is provided with an air pipe connector used for being connected with a respiratory pipe, and a second end of the bottom box is provided with an air port used for air inflow or exhaust; the plurality of ball barrels are arranged perpendicular to the bottom box and are communicated with the inner cavity of the bottom box; the floating ball is movably arranged in the ball barrel up and down; the top plate is mounted at the top ends of the ball barrels and used for sealing the top openings of the ball barrels. According to the dual-function respiratory training device, switching between expiration training and inspiration training can be achieved by inverting the training device, the problem that in the prior art, other training devices need to be replaced is solved, use convenience is improved, and training continuity is guaranteed. A user can visually observe the lifting state of the floating ball in the respiratory training process, so that visual feedback is formed on the respiratory strength, and the initiative, compliance and interestingness of the training can be improved.

The present invention relates to a portable rechargeable air-breathing apparatus having a built-in multi-stage decompression structure for lifesaving and evacuation purposes, and provides high-pressure charged air containing oxygen to patients in a fire evacuation situation or an emergency situation. Specifically, air is rapidly supplied using a decompression structure integrated in the apparatus without using a separate decompression structure, compressed air is charged via a charging port, and the high-pressure compressed air is decompressed over several stages. Consequently, the air is decompressed several times during a decompression period when ejected, and is also decompressed when discharged via an ejection path, and thus is discharged in a state that allows a user to breathe comfortably. Therefore, according to the present invention, high-pressure air is charged into a high-pressure vessel to achieve a compact size and portability, and is supplied to the user at a stable pressure via multi-stage decompression.

The invention relates to the technical field of medical apparatus and instruments, and discloses waste anesthetic gas discharge equipment for an anesthesia department, the waste anesthetic gas discharge equipment comprises a waste gas discharge mechanism and a degerming and filtering mechanism, the waste gas discharge mechanism comprises an exhaust pipe, a negative pressure adjusting cylinder and an overpressure protection pipeline; the air inlet end of the exhaust pipe is connected with an aspirator or an anaesthesia machine in the anesthesiology department room, the exhaust end of the exhaust pipe is connected with an exhaust system of the anesthesiology department room or a pipeline extending out of the anesthesiology department room, and a flow blocking suction-exhaust assembly is arranged in the exhaust pipe; the exhaust pipe is arranged between an aspirator or an anesthesia machine in the anesthesia department and an exhaust system of the anesthesia department, so that waste anesthetic gas can be effectively prevented from diffusing into the anesthesia department; meanwhile, when gas is exhausted, waste anesthetic gas can be automatically sucked and exhausted by the exhaust pipe; the degerming and filtering mechanism reduces the influence of directly discharging the anesthetic waste gas into the air on the air; the problems that an existing anesthetic waste gas treatment method and equipment are not high in anesthetic gas treatment efficiency and cannot be continuously used for a long time are effectively solved.

This utility model discloses a surgical support frame with easy height adjustment, including a vertical tube, a base fixed to the bottom end of the vertical tube, a lifting rod inserted inside the vertical tube, a piston fixed to the bottom end of the lifting rod, a support plate set at the top end of the lifting rod, an air-blowing assembly fixed inside the base, and an exhaust assembly set on one outer wall of the base. The air-blowing assembly includes a cylinder embedded inside the base, a piston set inside the cylinder, and a pressing column fixed to the top end of the piston. This utility model uses the air-blowing assembly to inflate the vertical tube, thereby causing the piston to raise the vertical rod and the support plate at its top. The exhaust assembly can expel the air inside the vertical tube, causing the support plate to lower. This allows medical staff to adjust the height of the support plate with their feet, eliminating the need for hand adjustment and preventing hand contamination during the adjustment process, thus achieving a more convenient height adjustment of the support frame.

A mechanical ventilation system (1) includes a mechanical ventilator (2) configured to deliver ventilation to a patient. An electronic controller (13) is programmed to control the mechanical ventilator to perform a mechanical insufflation-exsufflation (MI-E) treatment method (100) that includes performing an MI-E cycle that includes: (i) during an insufflation cycle, delivering pressure to the patient at a positive insufflation gauge pressure; (ii) during an exsufflation cycle after step (i), delivering pressure to the patient at a negative exsufflation gauge pressure, and detecting whether an upper airway collapse occurs; and (iii) if an upper airway collapse is detected in step (ii), decreasing a magnitude of the negative exsufflation gauge pressure.