106 results about "Anesthesiology" patented technology

The invention discloses an intelligent anesthesiology medicine distribution system based on big data, and relates to the technical field of intelligent medicine distribution. Comprising a big data distribution module, an intelligent tracking processing module and a medicine positioning device. The big data distribution module generates an order configuration table based on hospital drug demands and inventory data, and dynamically balances drug supply and demand in combination with time sequence smoothing; introducing constraint parameters in distribution path planning, and generating an optimal distribution path through multi-target linear programming and an incremental cost optimization algorithm; the medicine positioning device achieves whole-process position and temperature control monitoring, and the intelligent tracking processing module analyzes path deviation and risk states according to real-time positioning information and adjusts distribution strategies in real time. According to the invention, accurate prediction, path optimization and whole-process monitoring of the anesthesiology medicine are realized, the distribution efficiency and safety are improved, the medicine expiration and delay risk is reduced, and the intelligent level of hospital medicine management is improved.

The invention belongs to the technical field of medical auxiliary instruments, and discloses a head position supporting and fixing device for the anesthesiology department, which comprises a base plate, the base plate is connected with a head supporting and fixing assembly, the head supporting and fixing assembly comprises a base, a telescopic piece and a headrest plate, the base is connected with a bandage, a lock catch and a connecting seat, and the connecting seat is in sliding connection with the base. The telescopic piece is connected with the base plate. The connecting base is rotationally connected with the telescopic end of the telescopic piece. The headrest plate is connected with the base through a connecting shaft, an inner spline and a blank part are arranged on the inner side of the base, an outer spline is arranged on the outer side of the connecting shaft, and the axial length of the outer spline is smaller than that of the blank part. The head of a patient is fixed through the bandage, and the fixing stability of the head is good; the pitching angle of the head is adjusted by adjusting the height of the telescopic piece, the swinging angle of the head is adjusted by adjusting the meshing condition between the headrest plate and the spline of the base, and the clinical requirement for the head fixing angle can be fully met.

The invention relates to the field of medical instruments, and discloses anesthesia quantitative spraying equipment for the anesthesiology department, which comprises a support, an outer ring is mounted at the top of the support, a piston is slidably mounted at the top of the support, the anesthesia quantitative spraying equipment further comprises a sealing cylinder, the sealing cylinder is mounted at the top of the support, and a spray head is fixedly connected to the left end of the sealing cylinder. And a plurality of groups of clamping grooves and sliding grooves are formed in the outer surface of the spray head. According to the equipment, threads are arranged on the outer surface of the piston, so that the sliding block can rotate along the outer surface of the piston and change the distance between the permanent magnet and the left end of the piston, the distance between the permanent magnet and the iron block is controlled, and when the piston moves to a specified stroke, the clamping column is pulled towards the outer surface of the sealing cylinder and bent through magnetic attraction force between the permanent magnet and the iron block; therefore, the clamping columns and the outer ring are distributed in a staggered mode, the pushing force from the piston and the hydraulic force of anesthetic are not resisted, the sealing plate and the first sealing ring are triggered to abut against each other for sealing, and quantitative spraying of the device is more flexible.

The invention relates to the technical field of medical instruments, in particular to a multi-channel oropharyngeal ventilation device for the anesthesiology department, the multi-channel oropharyngeal ventilation device for the anesthesiology department comprises a ventilation pipe, a functional pipe and a mounting plate, two through holes are symmetrically formed in the side face of the mounting plate, and the ventilation pipe and the functional pipe are arranged in parallel and movably connected to the inner walls of the through holes of the mounting plate respectively; the device further comprises a guide plate fixedly connected to the middle of the mounting plate, occlusion blocks are symmetrically connected to the two sides of the guide plate in a sliding mode, the occlusion blocks are used for being occluded and limited between the upper teeth and the lower teeth of a patient, and the ends, facing ventilation, of the occlusion blocks are arc-shaped end faces. Through the vent pipe and the functional pipe which are arranged in parallel, ventilation support and clinical drainage, dosing and other operations in an anesthesia state are achieved respectively, repeated intubation is avoided, the locking assembly is matched to automatically lock the vent pipe and the functional pipe at the target depth after the device is in place, a catheter is effectively prevented from sliding or dislocation in an operation, and the operation efficiency is improved. And the accuracy and the safety of medical operation are ensured.

The invention discloses an anesthesiology department postoperative wake-up device convenient for position adjustment, and particularly relates to the technical field of medical apparatus and instruments, the anesthesiology department postoperative wake-up device comprises a wake-up seat for anesthesiology department postoperative wake-up, a wake-up assembly and a driving assembly; the awakening seat comprises a seat body and a supporting groove used for containing the anesthetized lower limbs of a patient. A supporting groove is formed in the top face of the base. The awakening assembly is arranged on the seat body; the awakening assembly comprises a movable groove, a movable block and a stimulation block; a movable groove is formed in the seat body; a plurality of movable blocks are movably arranged in the movable groove in a linear array through a driving assembly; a plurality of stimulation blocks are uniformly and fixedly arranged on the top surface of the movable block, and the end parts of the stimulation blocks penetrate through the movable groove and extend to the outside; the bottom surfaces of the movable blocks are V-shaped surfaces, and the motion trail formed by the plurality of movable blocks is wave-shaped; the anesthetic patient awakening device is reasonable in structural design, the awakening seat is placed between the lower limbs of an anesthetic patient and the transfer bed, an operation wound of the patient can be avoided, the position adjusting effect is achieved, and the anesthetic patient can be continuously stimulated.

1. Name of the product in this design: Anesthesia Flow Meter (Anesthesiology Department). 2. Purpose of this design: For flow measurement and regulation in anesthesia machines. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1. 5. Other situations requiring explanation: Part A is made of transparent material.

To provide an injection pump that meets the requirements for multi-drug mixture injection. [Solution] An embodiment of the multi-drug mixing and infusion device for anesthesiology comprises a support frame, a rear cover for the main body, and a front cover for the main body. Two drive mechanisms are attached to the support frame, gripping and propulsion mechanisms are attached to the ends of the drive mechanisms, a push-down position limiting mechanism is installed inside the front cover for the main body, a push-down rod is slidably connected to the push-down position limiting mechanism, and an expansion mechanism is used to increase the number of syringes to be processed. With the installation of the expansion mechanism, drug injection operations can be performed on four syringes simultaneously, and when multi-drug mixing and infusion is required, the user can selectively assemble the first expansion seat and the second expansion seat on the bottom and back of the rear cover for the main body according to the actual injection requirements. This flexible combination design improves the practicality of the device, eliminates the need for the user to change syringes, and improves the accuracy and ease of drug injection of the device.

The invention relates to the technical field of anesthesiology department instruments, in particular to an auxiliary anesthesia device for obstetrical clinical anesthesia, which comprises a display module, an injection pump and a main control computer, the injection pump comprises a shell, a first driving structure, a push head, a slot, a second driving structure, a rotating mechanism and a camera, and the shell is provided with an injector fixing groove for fixing an injector. A display module, an injection pump and a main control computer are arranged, a camera and a rotating mechanism are arranged on the injection pump, the camera can shoot anesthetic labels and injector scales, an electronic anesthesia single map including anesthetic name, concentration, injection amount, injection speed, injection time and medication condition instructions is output through an industrial personal computer, and the anesthetic concentration and injection amount can be displayed through the main control computer. Convenience is provided for anesthetists in the three aspects of manual medicine pumping, medicine injection and clinical anesthesia record sheet filling, and the labor intensity of the anesthetists is reduced.

FIELD: psychiatry; narcology.SUBSTANCE: used to stabilize remission of alcohol dependence in patients with comorbid depression. After the withdrawal state with alcohol dependence syndrome and comorbid depressive disorder has been relieved, the patient takes agomelatine orally at a dosage of 25 mg once a day daily for 12 weeks.EFFECT: method is accessible and allows for stabilizing remission in patients with alcohol dependence syndrome and depressive disorder.1 cl

The utility model provides an anesthesiology intubation fixing device, which comprises a tube body and a cover body, the tube body is fixedly embedded in the middle position of the cover body, one end of the tube body is fixedly provided with a conical block, the peripheral side of the conical block is provided with an external thread, the tube body is movably sleeved with an adjusting ring, the inner side of the adjusting ring is provided with an internal thread, and the inner side of the adjusting ring is provided with an external thread. The outer threads are matched with the inner threads, an insertion pipe is movably inserted into the pipe body, anti-skid grooves are evenly formed in the outer portion of the insertion pipe, the conical blocks are matched with the anti-skid grooves, and an upper restraint strap and a lower restraint strap are arranged on the upper side and the lower side of the cover body. The conical block is arranged on the outer side of the tube body, the conical block can be extruded through movement of the adjusting ring, the top end of the conical block can be clamped into the anti-skid groove in the peripheral side of the cannula, the cannula is limited and fixed, the occlusal pads are arranged at the upper end and the lower end of the inner side of the tube body, a patient can occlusal conveniently, the cannula is protected, the structure is simple, and use is convenient. The cost is low.

The utility model discloses an anesthesiology intubation fixing device which comprises a fixing tube, a baffle and an elastic band, an upper through hole is formed in the upper surface of the fixing tube, side through holes are formed in the surfaces of the two sides of the fixing tube, a spring is installed at the bottom of the inner side of the fixing tube, and a second movable plate is arranged at the upper end of the spring. Arc-shaped connecting plates are fixedly mounted on the upper surfaces of the two ends of the second movable plate, first movable plates are connected to the upper ends of the arc-shaped connecting plates, connecting rods are connected to the upper surfaces of the first movable plates, and one ends of the connecting rods penetrate through the upper through holes to be connected with lower pressing plates.

The invention relates to the technical field of postoperative disinfection, and discloses a postoperative disinfection and cleaning device for anesthesiology department, which comprises a disinfection box, and also comprises a cleaning unit arranged in the disinfection box; the cleaning unit comprises a driving part arranged in the sterilizing box; the inner diameter cleaning brush is connected with the driving part, and the inner diameter cleaning brush is used for being tightly attached to the inner wall of the pipeline and rotating relative to the inner wall of the pipeline to conduct cleaning. And the inner wall and the outer wall of the pipeline can be pushed to be sequentially aligned with the flushing head under the action of the eccentric wheel, so that the problems of non-uniform cleaning effect and labor waste caused by long-time manual cleaning of the inner wall and the outer wall of the pipeline in the prior art are effectively solved.

The utility model relates to anesthetic dispensing table technical field, specifically speaking is anesthetic dispensing table for anesthesiology department, include: base, the top of base is provided with dispensing table, storage protection mechanism is used for the storage and protection of anesthetic drug storage protection mechanism setting between base and dispensing table, wherein, the storage protection mechanism includes setting in the drive shell of base top, the outside of drive shell is provided with protection subassembly, the outside of base is provided with mobile positioning assembly, in use can pass through protection subassembly, can realize stable low temperature environment in the medicine storage process, effectively guarantee the activity and quality of anesthetic drug, prolong the effective use time of medicine, in addition the inside of protection subassembly can set up sterilizing device, realize the continuous sterilization in storage space, facilitate the sterilization of storage space after each use, mobile positioning assembly can conveniently move dispensing table, and also can be positioned quickly when using.

1. Name of the product in this design: Static push pump for anesthesiology. 2. Purpose of this design: For use in anesthesia nursing instruments. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention provides a multi-channel oropharyngeal ventilation device for the anesthesiology department, which structurally comprises a wearing body, a positioning block, a connecting group, a ventilation pipe, a water suction pipe and a sputum suction pipe, the center of the upper end of the wearing body is overlapped with the positioning block, and the connecting group is embedded in the central area of the positioning block; the breather pipe penetrates through the wearing body and the center of the bottom of the positioning block and is connected with the center of the connecting set. The water suction pipe and the sputum suction pipe penetrate through the left area and the right area of the wearing body and the positioning block in the left-right direction and are connected with the connecting set of the left area and the right area. The wearable body is further improved, electric energy can be provided for the control end through a rechargeable battery block installed on a medical plastic block, then the constant-temperature pipe fitting is controlled by the control end, the temperature of the breather pipe, the temperature of the water suction pipe and the temperature of the sputum suction pipe are balanced through the temperature rising body and the diffusion block, and the temperature of the sputum suction pipe is increased. Then, the temperature of the inhaled oxygen is increased, the situation that the oropharynx area is stimulated due to excessive cold is avoided, and then the oxygen inhalation stability of a patient assisted by the ventilation device can be guaranteed.

The utility model discloses an anesthetic liquid sprayer, which relates to the technical field of anesthesiology department and comprises a liquid sprayer body, the bottom of the liquid sprayer body is fixedly connected with a temperature control component, the top of the liquid sprayer body is fixedly connected with a plugging component, and the inner side wall of the plugging component is fixedly connected with a miniature water pump component. The top of the micro water pump assembly is fixedly connected with a connecting pipeline, one side of the connecting pipeline is in threaded connection with a connecting opening, and a filtering assembly is inserted into the inner side wall of the connecting opening; through the arrangement of the filtering assembly and the connecting port, the filtering effect is achieved in the using process, the filtering net in the filtering frame can effectively remove impurities in anesthetic liquid, the impurities are prevented from blocking the spraying head or affecting the anesthetic effect, it is guaranteed that the sprayed anesthetic liquid is pure, infection to a patient is avoided, and therefore the effectiveness and stability of anesthesia are guaranteed; and the filtering assembly can be regularly replaced through the connecting port.

The invention discloses a medicine spraying device for the anesthesiology department, and relates to the technical field of medicine spraying devices for the anesthesiology department, the medicine spraying device comprises a support and a clamping jaw, the clamping jaw is arranged at the bottom of the support, a mechanical arm is arranged on the surface of the support, the medicine spraying angle is adjusted by adjusting the bending angle of the mechanical arm, and a medicine cylinder is installed on the surface of the mechanical arm. An injection opening is formed in the surface of the medicine cylinder, a sealing cover is installed on the surface of the injection opening, a nozzle is formed in the surface of the medicine cylinder, anesthetic is poured into the medicine cylinder through the injection opening, a pressing rod is slidably installed in the medicine cylinder, and a first spring is arranged between the pressing rod and the medicine cylinder. After the pressing rod is lifted up, the pressing rod is reset downwards through the elastic force of the first spring to extrude anesthetic in the medicine cylinder to be sprayed out from the spraying opening, the pressing rod is limited through the limiting rod, when the spraying head is aligned with an operation area to prepare medicine spraying, the button is pressed down to drive the limiting rod to relieve limiting on the pressing rod, the pressing rod can automatically reset downwards to extrude the medicine to be sprayed out, and operation is convenient.

The invention relates to an adjustable spraying device for clinical anesthesia in the anesthesiology department, and belongs to the technical field of medical instruments. In order to enable anesthetics to accurately and efficiently reach a target anesthesia area, the adjustable and controllable spraying device for clinical anesthesia in the anesthesiology department comprises a spraying pipe and an air curtain assembly, the spraying pipe comprises an inner pipe and an outer pipe, a plurality of spraying holes are formed in the tail end of the inner pipe, the inner pipe is sleeved with the outer pipe, and an air conveying cavity communicated with an air pump is formed between the outer pipe and the inner pipe; the air curtain assembly comprises an elastic cylinder arranged in the air conveying cavity, one end of the elastic cylinder is configured to move in the direction close to or away from the inner pipe so as to change the flowing direction and the flowing range of airflow in the air conveying cavity, and the other end of the elastic cylinder is slidably connected with the inner pipe. The air curtain assembly can control the anesthetic spraying direction and spraying range, the anesthetic can accurately and efficiently reach the target anesthesia area, the spraying range is controlled within the target anesthesia area, anesthetic waste is reduced, and the anesthesia effect and anesthesia safety are improved.

The invention relates to the technical field of clinical anesthesia, in particular to a drug supply anesthesia system for a clinical anesthesiology department, which comprises a data acquisition module, a drug management module, an identity authentication module, an emergency management module and a record report module. By adding the taboo compatibility information in the establishment process of the drug analysis model, the drug supply anesthesia system can identify the possible interaction between the anesthetic and other drugs, so that side effects or adverse reactions caused by improper combination use are avoided.

The utility model belongs to the technical field of medical instruments for the anesthesiology department, and particularly relates to a novel anesthetic needle. A novel anesthetic needle comprises a minimally invasive anesthetic apparatus, the minimally invasive anesthetic apparatus comprises a base body, and a cavity is formed in the base body; the number of the needle heads is multiple, the needle heads are tubular, the needle heads are arranged on the base body, and the needle heads are communicated with the cavity of the base body; the connecting tube and the needle head are arranged at the two ends of the base body respectively, the connecting tube is of a hollow structure with the two ends open, the connecting tube is communicated with a cavity of the base body, and the connecting tube is detachably connected to a nipple of the needle cylinder. The connecting pipe of the minimally invasive anesthesia apparatus is directly connected to the nipple of the needle cylinder, the minimally invasive anesthesia apparatus is supported through the needle cylinder during local infiltration anesthesia, and the supporting effect is good; besides, the minimally invasive anesthesia apparatus is directly connected to the nipple of the needle cylinder, the distance between the minimally invasive anesthesia apparatus and a to-be-anesthetized part is relatively small when an operator holds the minimally invasive anesthesia apparatus, and the operation difficulty of local infiltration anesthesia is reduced.

1. The name of the design product: anesthetizing laryngeal mirror (anesthesiology). 2. The use of the design product: for medical anesthesia and rescue. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

1. Name of the product in this design: Anesthesia Flow Meter (Anesthesiology Department). 2. Purpose of this design: To accurately control and display the flow rate of anesthetic gas during clinical diagnosis and treatment in the Department of Anesthesiology. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model relates to the technical field of purification equipment, and provides a gas purification device for the anesthesiology department, which comprises a purification box, one end of the purification box is connected with a gas pipe connecting assembly which is used for guiding anesthesia tail gas into the purification box, the bottom end of one side of the purification box is fixedly connected with a bottom plate, the top end of the bottom plate is provided with an extraction assembly, and the bottom plate is fixedly connected with the purification box. The gas pipe connecting assembly comprises a connecting outer pipe communicating with the interior of the purifying box, a plurality of clamping holes are formed in the outer wall of the connecting outer pipe in a penetrating mode, a plurality of reinforcing holes are formed in the outer wall of one end of the connecting outer pipe, and a connecting inner pipe is connected to the inner wall of the connecting outer pipe in a clamped mode; a plurality of small holes are formed in the connecting inner pipe, and sliding rods are fixedly connected to the inner walls of the small holes, medical workers are prevented from inhaling anesthetic gas, the body of the medical workers is prevented from being hurt, and then the safety performance of the device is improved.

The invention belongs to the technical field of medical instruments, and particularly relates to an auxiliary anesthesia device for a clinical anesthesiology department, the auxiliary anesthesia device comprises a box body, a cannula fixing mechanism, a respiration assisting mechanism, a medicament treatment mechanism and a self-cleaning mechanism, the cannula fixing mechanism is arranged on the side wall of the box body, the respiration assisting mechanism is arranged on the side wall of the cannula fixing mechanism, and the medicament treatment mechanism is arranged on the side wall of the self-cleaning mechanism. The medicament treatment mechanism is arranged on the inner wall of the box body, and the self-cleaning mechanism is arranged in the box body. The flexible fixing mechanism can flexibly open the oral cavity of a patient, the trachea can be prevented from being bitten by teeth, and oral cavity damage caused by hard object padding is avoided; the breathing assisting mechanism can simulate mechanical breathing and assist in quickly checking the position and the function of the trachea; the mixing and heating mechanism can be used for homogenizing and treating anesthetic at constant temperature; the quantitative propelling mechanism can accurately control the anesthetic infusion dosage, and errors are reduced; the hard fixing mechanism can stabilize the trachea after the patient is anesthetized, and the safety and convenience of the surgical airway and anesthesia management are integrally improved.

The utility model relates to a clinical anesthetic gas purifying device for the anesthesiology department, which belongs to the technical field of anesthetic gas purifying equipment and comprises a purifying box and a filtering frame, a movable filtering mechanism and a stirring mechanism are arranged in the purifying box, and a water filtering mechanism is arranged at the bottom of the purifying box. The movable filtering mechanism comprises an electric push rod, a lifting plate, a partition plate, a mounting frame, a filter screen II, filter cotton, adsorption cotton, a filter screen I and an exhaust pipe. The anesthetic gas filtering device has the advantages that by arranging the movable filtering mechanism, when the anesthetic gas filtering device is used, anesthetic gas enters the gas storage space above the partition plate after being primarily filtered through adsorption cotton and a first filtering net, a switch of an electric push rod is turned on, then a mounting frame drives the filtering cotton and a second filtering net to be secondarily filtered, and meanwhile a lifting plate moves, so that the anesthetic gas is effectively filtered. The space between the lifting plate and the partition plate can be compressed, so that the anesthesia mixed gas can be compressed and quickly mixed, and the mixing is more uniform.

The invention belongs to the technical field of medical instruments, and discloses an anesthesia medicine supply device for a clinical anesthesiology department, which comprises a mounting box and a disinfection assembly fixedly arranged on the mounting box, according to the anesthesia medicine supply device provided by the invention, the disinfectant is innovatively extracted only through oxygen provided by the built-in oxygen tank, so that the breathing mask is efficiently disinfected, in addition, after the disinfection process is completed, the breathing mask is thoroughly cleaned through high-pressure oxygen, and the disinfection effect is good. The device effectively overcomes the defect that in the prior art, additional equipment is relied on to disinfect and clean the breathing mask, has an intelligent sensing function, can accurately judge whether the breathing mask is correctly worn by a patient or not according to air pressure changes, can start an anesthetic supply process only after it is confirmed that the breathing mask is safely worn, and is convenient to use. Therefore, the anesthetic is prevented from escaping into the air, and the safety of a medical environment and the health of a patient are guaranteed.

1. The name of the design product: graphical user interface of anesthesia machine power-on self-test and standby for electronic equipment. 2. The use of the design product: for electronic equipment. 3. The design points of the design product: in the graphical user interface. 4. The picture or photo that best indicates the design points: interface change state diagram 3. 5. The design product is a graphical user interface (GUI) design, and the omitted views are the conventional design, and the omitted rear view, left view, right view, top view, and bottom view. 6. The use of the graphical user interface: for anesthesia machine. 7. The change state description of the graphical user interface: the front view is the anesthesia machine power-on interface; interface change state diagram 1 is the system detection interface displayed after the front view is loaded; click "skip" in interface change state diagram 1 to enter interface change state diagram 2; click "please click here to exit standby mode" in interface change state diagram 2 to enter interface change state diagram 3.

FIELD: anesthesiology; resuscitation.SUBSTANCE: following is determined before surgery: risk of surgery, presence of coronary heart disease, presence of cancer, presence of advanced cancer, and duration of voluntary threshold apnea in seconds. The risk of developing postoperative intestinal paresis is determined using an original formula.EFFECT: preoperative prediction of the development of intestinal paresis after abdominal surgery.1 cl, 2 tbl, 2 ex

This invention relates to the technical field of anesthesia nursing data processing, specifically including a method and system for managing clinical nursing data in anesthesiology. The method includes: collecting clinical nursing data from anesthesiology; configuring first and second data mapping tables based on static and dynamic features according to the platform and application ends; generating a nursing knowledge graph; acquiring features of adjacent events; and conducting multi-scale risk assessment combined with dynamic threshold alerts. This invention solves the technical problem of insufficient consideration of the temporal correlation and synergistic effects of events during anesthesia, making it impossible to dynamically adjust risk assessment standards for different anesthesia stages and easily leading to misjudgments. By configuring first and second data mapping tables and combining the time entropy corresponding to the time interval of adjacent events and the support degree of association rules, it achieves hierarchical management and precise mapping of static and dynamic features in anesthesiology clinical nursing data. It dynamically adjusts risk thresholds based on the temporal features of different anesthesia stages, significantly improving the accuracy and timeliness of risk assessment.

The anesthetic respirator for the anesthesiology department relates to the technical field of anesthetic respirators and comprises a shell, an anesthetic bottle is fixedly connected to one side of the shell, a pure pipe and a mixing pipe are inserted into the top of the anesthetic bottle, a base is fixedly connected to the bottom of the inner wall of the shell, and a first corrugated cavity is formed in the upper surface of the base; a mounting plate is fixedly connected to the inner wall of one side of the shell. According to the anesthetic respirator for the anesthesiology department, a sliding rack is engaged with inner teeth, the sliding rack is clamped on one side of the inner teeth, a lifting shell and a linkage column move up and down, and a second corrugated cavity controls entering of anesthetic gas in a first control shell through a third branch and a first control pipe; the anesthetic gas is discharged into the gas inlet pipe through the connecting pipe, due to the fact that the interior of the second corrugated cavity does not leak gas, the volume of the inhaled and discharged anesthetic gas is accurate, in the operation process, respiratory anesthesia of a patient is assisted, and the effect of guaranteeing normal anesthesia under the condition that equipment leaks gas is achieved.