207 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 invention belongs to the technical field of medical instruments. The invention discloses a novel multifunctional laryngeal mask which comprises a breather pipe, one end of the breather pipe is connected with an external ventilation loop through a connector, and the other end of the breather pipe is provided with a mask body used for ventilation, exhaust and secretion suction. The mask body is provided with a mask bag structure which is matched with the mask body so as to accord with the throat and spine characteristics of a patient, so that the stable limitation on the mask body is met, and safe sealed ventilation is realized. The device has the advantages that the device can accord with throat and spine characteristics of a patient to realize safe sealed ventilation, and the risk of regurgitation and aspiration due to the fact that gas enters the stomach of the patient is not easily caused.

The utility model relates to the technical field of medical instruments, in particular to an atomization connection type auxiliary sputum excretion device for respiratory training. In order to solve the problems that cost is increased due to the fact that a common atomizer and a common sputum excretion device are used separately, if one atomizer and one sputum excretion device are used singly, the other atomizer and the other sputum excretion device need to be replaced after use, time is long, and a patient needs to frequently replace the atomizer and the sputum excretion device for use, the following technical scheme is provided: the atomizer comprises an atomization tank, a mouth piece facilitating breathing of a user is connected to the wall body of one side of the atomization tank, an exhaust assembly facilitating exhaust is arranged at an opening in the top of the atomization tank and comprises a base, a top cover is arranged on the wall body of the outer surface of the base in a covering mode, and a steel ball is placed in the base. The device is used for carrying out respiratory training, atomization treatment and auxiliary sputum excretion on a patient, the diversity of the device is embodied, the steps of frequently replacing the device are reduced, and the time cost is saved.

The invention discloses an intelligent oxygen generator for patients with chronic obstructive pulmonary disease, which comprises a household oxygen generator, and a portable oxygen generator is arranged on the household oxygen generator in a manner of being inserted and pulled out. The household oxygen generator comprises a main body shell, an air inlet, a display screen, a household oxygen outlet, a household humidifying water tank, a storage drawer, and a power supply, a central control module and an oxygen generation function module group which are positioned in the main body shell, the oxygen generation function module set comprises an air inlet module, an air compression module, a valve switching and control module, a separation module, an oxygen storage and buffer module and an exhaust module, the portable split type module design is adopted, so that the long-time oxygen inhalation requirement of a patient is met, meanwhile, the product supports intelligent operation, has the functions of intelligent monitoring, real-time adjustment and the like, and is suitable for popularization and application. Parameters such as oxygen concentration and flow velocity can be automatically adjusted according to different states of patients, and the problems that an existing oxygen generator is poor in environment adaptability, single in function, insufficient in portability and the like are solved.

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.

The invention relates to the technical field of medical nursing, and discloses an intestine and stomach nursing decompression device applied to nursing in the digestive department, which comprises a pressing device and a reset spring arranged in the pressing device, the exhaust assembly is fixedly arranged on the inner wall of the top of the pressing device, the release assembly is arranged on the outer wall of the bottom of the pressing device, the flow guide assembly is arranged on the inner wall of the release assembly, the connecting assembly is arranged on the inner wall of the flow guide assembly, the allowance shrinking assembly is arranged at the other end of the connecting assembly, and the storage barrel is arranged on the allowance shrinking assembly. A patient can adjust the negative pressure by himself or herself, the patient can adjust the pressing strength and frequency of the pressing device in real time according to the gastrointestinal feeling of himself or herself, the negative pressure strength is fed back and adjusted, meanwhile, the telescopic component buffers airflow impact, the air outlet notch divides airflow, the negative pressure stability is ensured, mucous membrane injury or insufficient drainage caused by fixed negative pressure is avoided, and therefore the use comfort is improved.

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.

The utility model discloses a medicine suction bottle for nebulization therapy, which relates to the technical field of medical instruments and comprises a bottle body, a detachable base is arranged on one side of the bottle body, a large whistle and a small whistle are mounted on the base, an air suction valve is arranged on the other side of the bottle body, a suction nozzle is sleeved outside the air suction valve, and the suction nozzle is sleeved outside the bottle body. An air valve support, an air valve block installed on the air valve support and an air valve cover arranged outside the air valve support in a sleeving mode are further arranged on one side of the suction nozzle, a cover cap is connected to one side of the suction nozzle, and a medicine feeding cavity is formed in the bottle body. Due to the fact that the inhalation valve of the duck tongue valve structure is arranged on one side of the bottle body, a patient inhales from the position of the suction nozzle during use, the inhalation valve can be opened under the action of pressure, the inhalation valve is closed under the action of pressure during exhalation, and air is exhausted from an exhaust mechanism composed of the air valve support, the air valve block and the air valve cover. The device is simple and reasonable in structure, convenient to use during medicine suction and good in use effect.

The invention belongs to the technical field of medical instruments, and particularly relates to a thoracic surgery anti-blocking drainage apparatus which comprises a bottom plate, a drainage apparatus body is detachably assembled at the upper end of the bottom plate, a first elastic element is assembled in the drainage apparatus body, an air inlet connector and an air outlet connector are fixed to the upper end of the drainage apparatus body, and an air outlet connector is fixed to the lower end of the drainage apparatus body. The drainage device further comprises a pressure adjusting part, the pressure adjusting part is assembled between the bottom plate and the drainage device body, the pressure adjusting part comprises an air storage pipe, a traction block and a piston block, and the air storage pipe is fixed to the upper end of the bottom plate. Drainage is conducted on a patient through the drainage device body, the mass of the drainage device body is gradually increased, the piston block is driven to move, negative pressure is formed in the third cavity, and when the negative pressure in the third cavity is larger than the opening pressure of the one-way valve and the negative pressure in the drainage device body, drainage is conducted. And gas in the drainage apparatus main body is pumped into the third cavity, so that the negative pressure in the drainage apparatus main body is relatively increased, and the anti-blocking performance of the device is improved.

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.

The invention relates to the technical field of medical equipment, in particular to a breathing and critical disease medical training device which comprises a saliva treatment module. One side of the saliva treatment module is spirally connected with an entertainment module used for entertainment during child respiratory training, the other end of the first hose communicates with an airflow detection module used for child respiratory training and exhaust quality detection, and the other end of the airflow detection module communicates with a second hose. The other end of the second hose is communicated with a disinfection module for gas disinfection; when a child patient is subjected to respiratory training, the second magnetic rings at different positions can be switched to be matched with the rotating ring by rotating the rotating ring on the outer side, different entertainment tools can be located on the upper portion through the arrangement of a first hollow sleeve, a second hollow sleeve and a third hollow sleeve, and the child blows a saliva treatment module; at the moment, an entertainment toy above the entertainment module is started, the children can be attracted to conduct multiple respiratory trainings, the lungs can be effectively exercised, and follow-up rehabilitation work is facilitated.

The application discloses an energy-saving ventilation system of a ventilation air conditioner, relates to the technical field of ventilation, and is characterized in that one end of the bottom of an air conditioner box is fixedly connected with a connecting seat, one end of the connecting seat is fixedly connected with a positioning frame, a lower guide frame is embeddedly arranged in the positioning frame, the top end of the lower guide frame is fixedly connected with a middle guide frame, a ventilation frame is movably embeddedly arranged in the lower guide frame, the top end of the middle guide frame is fixedly connected with an upper guide frame, and a disinfection frame is embedded in the middle guide frame. The port of the air outlet pipe is covered, so that the gas can only pass through the disinfection sponge block to be discharged into the room. The liquid used for disinfection is dripped from the upper dripping device to wet the disinfection sponge block. The gas is subjected to disinfection and sterilization when passing through the disinfection sponge block, so that the gas is subjected to disinfection when being discharged into the room for ventilation, the high requirement of air quality in a closed space such as a hospital is met, and manual disinfection and sterilization is not needed, so that the operation is more convenient.

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 a neurosurgery patient head fixing and protecting device, and belongs to the field of medical nursing devices.The protecting device comprises a protecting cap and an adjusting belt, the protecting cap is used for being worn on the head of a patient to protect an operation wound, and the adjusting belt is fixedly installed on the protecting cap; an expansion cavity is formed in the protective cap, the expansion cavity is filled with an air bag, an inflation head and an exhaust head which penetrate through the outer wall of the protective cap, extend into the expansion cavity and are fixedly connected with the air bag are fixedly installed on the protective cap, a one-way valve is fixedly installed on the inflation head, and a pressure release valve is fixedly installed on the exhaust head. According to the protection device, in the continuous recovery process, if pressure needs to be reduced, only the pressure release valve needs to be opened, air exhaust and pressure reduction can be conducted on the air bag through the air exhaust head, and therefore the wound gauze does not need to be disassembled frequently, operation is convenient, recovery of a patient is facilitated through reasonable pressure change, and comfort is better.

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.

An intraoperative hypothermia prevention device relates to the technical field of hypothermia prevention and comprises a support structure and a protection mechanism. The protection mechanism comprises a protection blanket, an air guide piece and a protection assembly; the protection assembly comprises a protection sleeve, a fixing structure and a limiting structure. The supporting structure, the connecting plug, the external socket and the protective blanket cooperate to conduct heat preservation protection on a patient, the protective blanket, the air guide piece and the air blowing equipment cooperate to conduct all-around heat preservation, the device is suitable for patients of different age groups, the connecting base, the supporting base and the limiting baffle can limit the two ends of the protective blanket, and the protective blanket is made to be attached to the body of the patient; the protection effect of the protection blanket is improved, the protection blanket and the exhaust strip are used in cooperation, the situation that the comfort of a patient is affected due to overheating or sweating can be avoided, it is ensured that the body temperature of the patient is appropriate, the protection blanket and the protection sleeve are matched to avoid pollution to the protection blanket in the operation process, and therefore the number of times of cleaning and maintaining the protection blanket is reduced.

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 present invention discloses a medical anesthesia air storage bag connection structure, comprising an anesthesia machine connector, a connecting shaft and an air storage bag; the connecting shaft passes through the air storage bag and is sealedly connected to the anesthesia machine connector; the connecting shaft rotates radially within the anesthesia machine connector; an oxygen channel and an atomization channel are respectively arranged along the axial direction of the connecting shaft; the connecting shaft is provided with an air inlet and air outlet connected to the oxygen channel and the atomization channel; the anesthesia machine connector is provided with an air inlet and air outlet corresponding to the oxygen channel and the atomization channel. During the inhalation anesthesia process, if the patient experiences airway constriction due to stimulation by anesthetics, or if the patient's existing respiratory system disease is stimulated, leading to bronchospasm, coughing, and wheezing, supportive treatment can be given without changing the original medical system environment; the complexity and unstable effect of the atomizer introduced in the atomization treatment during the inhalation anesthesia stage are simplified and overcome; and the complexity of positive pressure ventilation in medicine is simplified.

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 multifunctional excrement collector comprises an anal tube, an air bag is arranged at the upper end of the anal tube and connected with an air injection valve through an air bag connecting tube, an anal tube outer circle is arranged at the lower end of the anal tube, and the diameter of the anal tube outer circle is larger than that of the anal tube; the functional valve is of a three-way structure and comprises a first end, a second end and a tail end, the first end of the functional valve is connected with the outer circle of the anal tube, the second end of the functional valve is an exhaust end or a flushing end, and the tail end of the functional valve can be connected with the excrement collecting bag; the excrement collecting bag comprises an opening part for connection and a PVC bag body, and the excrement collecting bag can be connected with the outer circle of the anal tube or the tail end of the functional valve through the opening part. The excrement collector provided by the scheme can meet the functions of excrement collection and treatment, intestinal tract flushing and the like, can be widely applied to patients suffering from fecal incontinence and anal fistulization, is convenient to use and stable to install, and can better observe the property and quality of excrement.

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.