242 results about "Anesthesia machines" patented technology

The invention relates to an anesthetic gas output control system for an anesthesia machine and a method thereof, and relates to the technical field of anesthesia machines, the system comprises a data acquisition module used for collecting breathing parameters and gas state parameters of a patient and constructing a breathing dynamics model containing nonlinear correction; the concentration prediction module is used for constructing a gas mixing concentration prediction model with pressure dynamic compensation according to the airway pressure of the anesthetic gas output by the respiratory dynamic model; the parameter control module is used for constructing a control objective function based on the concentration deviation, the flow change rate and the pressure deviation of the anesthetic gas; the self-adaptive compensation module is used for determining a self-adaptive compensation factor based on the concentration deviation and the pressure change rate of the anesthetic gas; the flow correction module is used for calculating flow correction values of various anesthetic gases; and the gas output module is used for outputting the anesthetic gas according to the flow correction values of various anesthetic gases. The system can improve the accuracy of anesthetic gas output control.

The invention relates to the technical field of medical equipment control for anesthesia machine anesthetic gas output control, and discloses an anesthesia machine anesthetic gas output control system and method. The method comprises the following steps of: setting a control starting moment, initial and target concentrations, a rapid rising time length, a total time length and a middle and later stage slow change amplitude at one time before starting an anesthesia machine, and dividing the whole process into a rapid rising interval and a slow change interval; generating a concentration target according to a natural exponential function taking the rising time length as a time constant in the front stage, and obtaining a final value; a hyperbolic migration target slowly close to the target is constructed according to the target concentration, the slowly-changing amplitude and the rising duration in the rear section; and performing linear fusion on the final value and the hyperbolic target through a piecewise constant and time exponential decay weighting function to obtain a continuous and smooth target concentration curve, converting into a theoretical valve opening according to an anesthetic original concentration proportion, discretizing into an instruction opening in combination with an opening resolution, and forming a discrete control sequence in cooperation with fixed update time.

The invention discloses a rotary float flowmeter for an anaesthesia machine, relates to the field of flowmeters, solves the problem that a rubber pad and foamed cotton in an existing float flowmeter are poor in durability, and comprises a glass cylinder and two supporting seats symmetrically and fixedly mounted at the top and the bottom of the glass cylinder respectively. A guide rod is fixedly installed between the inner sides of the two supporting seats, a floater body is slidably installed on the outer side of the guide rod, and butt joint pipes are arranged on the sides, away from the glass cylinder, of the supporting seats; the buffer mechanism is used for providing safe buffer for the floater body, and the buffer mechanism is mounted below the glass cylinder; by means of the buffering mechanism, when the floater body falls, the principle that like poles of magnets repel each other is utilized, buffering is provided for falling of the floater body, the problem that a rubber pad and foamed cotton in the flow meter are prone to being broken is solved, durability is higher, and therefore the safety protection effect is achieved.

The invention relates to the technical field of medical equipment, in particular to an anaesthesia machine anesthetic consumption monitoring method and an anaesthesia machine, the flow monitoring reference accuracy is ensured through initialization calibration, and the anesthetic consumption is monitored by automatically identifying the anesthetic type and introducing the corresponding volatilization efficiency coefficient. Calculation deviation caused by difference of physicochemical characteristics of different medicines is overcome, and then the problems of low efficiency, personal errors, poor adaptability and the like existing in a traditional manual recording and simple electronic metering mode are solved by combining real-time collected fresh gas flow and set concentration. And finally, the accuracy and the reliability of the anesthetic consumption monitoring result are improved. The technical problem that in the prior art, anesthetic consumption monitoring is low in accuracy and reliability is solved.

To provide an oxygen concentration adjusting device capable of performing proper oxygen therapy by adjusting the oxygen concentration of oxygen gas from an oxygen source fed into a cage, rather than adjusting the oxygen concentration by a gap opened in the cage. [Solution] An oxygen concentration adjusting device 12 supplies oxygen gas, adjusting the oxygen concentration of the oxygen gas to supply oxygen gas with an optimum oxygen concentration. Here, the oxygen concentration of the oxygen gas is controlled by a needle valve 12A that can vary the oxygen flow rate of the oxygen gas, and the oxygen gas is supplied to a cage 14 housing a small animal A or to an anesthesia machine.

The present invention relates to the technical field of medical devices, and specifically to a medical anesthesia machine capable of preventing anesthetic reflux. The present invention comprises: a main body mechanism, a drug filling mechanism and a mask mechanism. The main body mechanism comprises a columnar shell and a support frame. An anti-skid column is fixedly installed on the top of the columnar shell, an anesthetic treatment medicine tube is installed on the anti-skid column, an anesthetic treatment medicine tube is fixedly connected to the inner wall of the anesthetic treatment medicine tube with an anesthetic evaporator, and a sealing plug is slidably embedded between the anesthetic treatment medicine tube and the anesthetic evaporator. During the atomization anesthesia process, the present invention can coordinate the operation of various components of the device through an automated control system according to the patient's inhalation and exhalation states, push the atomized anesthetic gas to be delivered to the mask for the patient to inhale during inhalation, stop the delivery in time and close the corresponding passage during exhalation, so that the anesthetic delivery is synchronized with the patient's breathing, which not only ensures the anesthesia effect but also greatly reduces the possibility of anesthetic reflux caused by reverse pressure difference.

The invention relates to the technical field of anesthesia machines, and discloses a method for calibrating anesthetic gas flow. According to the method, gas flow real-time monitoring data of the output end of the anesthesia machine are collected, the data cover a flow velocity fluctuation curve and a pressure change sequence, and the flow state of anesthetic gas is comprehensively reflected. And then, establishing a dynamic calibration model matched with physical parameters of the anesthetic gas delivery pipeline, and inputting the collected flow velocity fluctuation curve and the pressure change sequence into the dynamic calibration model for time domain alignment to adapt to different pipeline characteristics. According to a time domain alignment result, a coupling feature vector of flow velocity and pressure is extracted, and the coupling feature vector comprises key information such as a flow velocity gradient extreme point and a pressure sudden change timestamp so as to accurately capture gas flow change features. And performing dynamic compensation on the initial flow calibration value of the output end of the anaesthesia machine based on the coupling feature vector so as to generate a calibrated gas flow reference value.

The invention discloses an anaesthesia machine, which belongs to the technical field of medical equipment, and comprises a machine body and a mask, the outer side of the mask is sleeved with an annular pipe, the annular pipe is symmetrically provided with a plurality of meshes, the inner side of the mask is provided with an annular suction port, the suction port is communicated with a suction pipe, and the suction port is provided with an electronic valve. A plurality of flow dividing pipes communicating with the suction pipe are arranged on the outer wall of the annular pipe, a conveying pipe penetrating through the treatment box is arranged at the output end of the second pump shell, and activated carbon is arranged in the treatment box. The anesthetic mask further comprises a conveying assembly used for conveying anesthetic gas into the mask body. The filtering assembly is used for filtering the waste gas; according to the invention, overflowing gas can be recovered and filtered.

The invention discloses an electric turbine anaesthesia machine with an automatic air supply function of an air storage bag and a method, and the anaesthesia machine comprises a turbine which is used as an active inspiration air source; a detachable air storage bag; an air supply one-way valve; the breathing circuit is connected between the turbine outlet and the patient end and comprises an inspiration branch provided with a flow diaphragm, an expiration branch provided with an expiration EV valve and an expiration flow diaphragm, and a patient breathing circuit tank assembly containing the air storage bag and the soda lime tank; a plurality of sensors; the control unit is electrically connected with and controls the turbine and the expiration EV valve, receives signals of the sensor and is used for achieving different breathing ventilation modes. According to the anesthesia machine and method, turbine driving is adopted, the tidal volume adjusting range is wide, and physical limitation of a folding bag is avoided; the air storage bag is externally arranged and replaceable, so that cleaning and maintenance are facilitated; a one-way valve automatic gas supply mechanism ensures continuous and stable gas supply; the device supports various breathing modes, and is suitable for various scenes such as anesthesia maintenance, postoperative awakening, oxygen therapy and the like.

The invention discloses an anesthesia induction method and device and an anesthesia machine, and relates to the technical field of anesthesia induction. The anesthesia induction method comprises the following steps: acquiring brain wave signal data, arterial pressure signal data and airway intervention data of a set patient; based on a pre-trained anesthesia state evaluation model and in combination with brain wave signal data and arterial pressure signal data of the set patient, an induction depth response characteristic value of the set patient is analyzed; based on airway intervention data of a set patient and analysis of an induction stability characteristic value of the set patient, induction recommendation processing is performed on the set patient based on an induction depth response characteristic value and the induction stability characteristic value, so that the overall induction state of the patient is dynamically and comprehensively reflected, and a clear evaluation result is provided; clinical personnel are helped to timely judge whether a patient reaches a safe intubation and maintenance level or not, so that the risk of insufficient or excessive induction is reduced, and the safety of anesthesia induction is remarkably improved.

The invention discloses a bidirectional locking device for a breathing circuit of an anaesthesia machine, the bidirectional locking device is fixed on the side surface of a circuit assembly, and the bidirectional locking device sequentially comprises a shell, a spring bolt, a lock cylinder, a pressing shaft, a spring and an end cover; the interior of the shell is divided into two grooves, and the groove in one side is used for containing the lock cylinder. The groove on the other side is used for arranging a spring bolt; the spring and the pressing shaft are sleeved on a shaft in the center of the shell from inside to outside; the end cover is mounted on the shell, and a hole is formed in the end cover and used for allowing the pressing shaft to penetrate through; a spring bolt of the bidirectional locking device is provided with two clamping points which correspond to locking grooves in the side faces of the loop assembly and the loop flip assembly respectively, so that the loop assembly and the loop flip assembly are locked at the same time. The device is convenient to operate, simple and compact in structure, small in occupied space and low in cost.

The invention relates to the field of anesthetic quantification, in particular to an anesthetic quantitative conveying device of an anesthesia machine in an operating room, which comprises a table top, a bottom plate, a box body, a quantitative groove and a buffer groove, the bottom plate is fixed at the upper end of the table top, the box body is fixed at the upper end of the bottom plate, the quantitative groove is arranged on one side of the box body, and a piston I is arranged in the quantitative groove; and a lead screw is rotationally installed at the upper end of the first piston, a movable frame is rotationally installed at the end, penetrating through the upper end of the quantitative groove, of the lead screw, a mounting frame is arranged on one side of the quantitative groove, a height-adjustable lifting frame is connected to the mounting frame in an inserted mode, and a buffer groove is formed in the upper end of the lifting frame. The height of the piston can be adjusted by driving the screw rod through the motor, precise quantification is realized by combining infrared distance measurement, negative pressure is formed by utilizing the design of the piston II and the spring of the buffer groove, liquid medicine is prevented from flowing back and dripping, and the operation convenience and the medicine utilization rate are improved; the problem that an existing anesthetic quantifying device for the operating room lacks accurate quantifying and liquid leakage preventing functions is solved.

The present application relates to the technical field of medical apparatus and instruments, in particular to a ventilation trigger recognition method and system of an anesthesia machine and the anesthesia machine. The method comprises the following steps: step 1: collecting airway pressure waveform data and flow waveform data of the anesthesia machine; step 2: converting the collected airway pressure waveform data and flow waveform data into matrix data; step 3: inputting the matrix data into a trained convolutional neural network, and the convolutional neural network outputs a probability value based on the input matrix data; step 4: comparing the probability value with a threshold value, and determining whether the ventilation trigger condition is met; if the trigger condition is met, the anesthesia machine starts ventilation support. The present application can more accurately determine the trigger condition by analyzing the shape of the ventilation curve through the convolutional neural network, so as to realize more accurate and safe anesthesia ventilation control.

An intelligent pressure control pneumoperitoneum system based on visual smoke removal and anesthesia linkage and a storage medium comprise a master control communication unit, an image acquisition and recognition unit, a smoke removal execution unit, a pressure detection and adjustment unit and an anesthesia linkage control unit. The main control module generates an instruction according to the signal; the image acquisition and identification unit comprises a camera and a visual processing module, the camera acquires an endoscope image, and the visual processing module processes the endoscope image to obtain a smoke level; the smoke removal execution unit comprises a smoke exhaust pump and an exhaust valve, the smoke exhaust pump controls the rotating speed, and the exhaust valve controls a switch; the pressure detecting and adjusting unit comprises a pressure sensor, a temperature module, a proportional valve and a pressure release valve, the pressure sensor detects pressure, the temperature module detects and controls temperature, the proportional valve controls air inlet flow, and the pressure release valve controls air outlet flow; the anesthesia linkage control unit obtains parameters of the anesthesia machine and transmits the parameters to the communication module.

The utility model relates to the field of sputum suction tubes, in particular to a sputum suction tube fixer beside an anaesthesia machine, which comprises a moldable hook, the moldable hook is formed by folding a plurality of moldable metal strips in half to form a transverse supporting part, and the outer end part of the transverse supporting part formed after folding is bent to form a U-shaped hanging part with an upper opening. An anti-slip hook matched with a handrail hook of the anaesthesia machine penetrates through the bent end of the transverse supporting part formed after the transverse supporting part is folded. The fixator can increase the distance between the hanging structure and the anaesthesia machine, so that the anaesthesia machine is effectively prevented from being polluted by the sputum suction tube.

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.

The utility model relates to the technical field of medical instruments, in particular to an anaesthesia machine rack and an anaesthesia machine. The anesthesia machine rack comprises a front shell assembly, an air inlet shell assembly and a lower shell assembly. The front shell assembly is detachably provided with a display screen of the anesthesia machine, an oxygen sensor, a manual machine control key, a flying shuttle knob, a quick oxygen supply valve button, an airway pressure gauge, an air source pressure gauge, a flowmeter assembly, a total flow tube, a flow adjusting knob and a breathing loop. The air inlet shell assembly is used for detachably installing an evaporator and an air inlet assembly of the anaesthesia machine. The lower shell assembly is used for detachably installing a turbine assembly, a power supply assembly and a communication assembly of the anaesthesia machine; the front shell assembly and the air inlet shell assembly are located above the lower shell assembly, and the front shell assembly is connected with the air inlet shell assembly and the lower shell assembly through riveting connecting pieces. According to the anesthesia machine rack, the stability and rigidity of the whole rack are improved, the structure is small and exquisite, firmness and stability are achieved, the strength is high, and assembly of parts is facilitated.

1. Name of the designed product: anesthetic flowmeter. 2. Use of the designed product: flow measurement and adjustment for an anesthetic machine. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view.

The invention relates to the technical field of anaesthesia machines, in particular to an anaesthesia machine control parameter optimization method and a clinical decision support system, and the method comprises the steps: setting a safety interval of each control parameter of an anaesthesia machine; observation parameters and action space are determined, a reward function is designed, and a reinforcement learning model is constructed and trained; inputting observation parameters at each moment in the operation of the patient into the strategy network of the trained reinforcement learning model to obtain probability distribution of control parameters at each moment, and determining the value of each control parameter according to the safety interval; and sending the obtained values of the control parameters to a microcontroller of the anaesthesia machine so as to complete updating of the control parameters. By automatically optimizing the control parameters of the anesthesia machine, the workload of an anesthetist is reduced, and the physiological parameters of a patient are maintained within an expected range.

This application relates to the field of medical device technology, and more particularly to a respiratory gas absorption filter, comprising a housing, an air inlet pipe and an air outlet pipe disposed on the housing, a guide vane disposed on the air inlet pipe, a first thin cotton and a first thick cotton disposed at one end of the interior of the housing, and a second thick cotton, a plastic sheet, corrugated paper and a second thin cotton disposed at the other end of the interior of the housing, wherein the plastic sheet is uniformly provided with at least one vent hole, and an adsorption medium is disposed inside the housing. Therefore, a respiratory gas absorption filter can solve the technical problems of existing adsorption media having fine particles that are easily squeezed out from the gap between the adsorption cotton and the canister under the impact of high-frequency airflow or equipment vibration of anesthesia machines, and the simple pore structure of the adsorption cotton material used in traditional adsorption canisters, which causes condensate to accumulate inside the canister under long-term gas exposure.

The anesthesia pipeline anti-falling fixing device comprises anesthesia pipelines, an anesthesia machine and a mounting frame plate, the number of the anesthesia pipelines is two, a three-way pipe is mounted at one end of each anesthesia pipeline, a breathing pipe is mounted at the other end of each three-way pipe, one end of each anesthesia pipeline is fixedly connected with a connecting port, and the other end of each anesthesia pipeline is fixedly connected with a connecting rod. A circular baffle is fixedly connected to the connecting position of the outer surface of the anesthesia pipeline and the connecting port, a pipe connector is arranged on one side of the anesthesia machine, the connecting port is connected with the pipe connector in an inserted mode, and the mounting frame plate is arranged on one side of the anesthesia machine. Meanwhile, the two anesthesia pipelines can be separated and supported according to the actual use environment, then the anesthesia pipelines can be prevented from being separated due to external force pulling, meanwhile, the fixing modes of the suction cup body, the adhesive tape and the like can be replaced according to the actual anesthesia machine type and the position of the connector, and the adaptability is higher.

The embodiment of the present application provides an interlocking module, an evaporator and an anesthesia machine. The interlocking module comprises a mounting seat, a knob, an ejection assembly, a connecting rod assembly and an ejection piece. The ejection piece is in sliding connection with the mounting seat. The connecting rod assembly is arranged between the knob and the ejection assembly. The connecting rod assembly comprises a follower and a linkage. The follower is connected with the knob. When the knob rotates, the follower can drive the linkage to move. The linkage further drives the ejection piece to move outwardly from the mounting seat, so that the ejection piece moves from an initial position to an interlocking position. The ejection pieces of two evaporators are arranged at intervals. When an operator rotates one of the evaporators, the corresponding ejection piece extends and abuts against the ejection piece of the other evaporator, thereby limiting the movement of the ejection piece. Thus, the rotation of the knob of the other evaporator is further limited, and the simultaneous use of two anesthetics is avoided.

The invention belongs to the technical field of medical equipment, and particularly relates to intelligent anesthesia equipment capable of automatically regulating and controlling the anesthesia depth and a using method thereof.The intelligent anesthesia equipment comprises an anesthesia machine, and an evaporator and a gas mixing pipe are arranged in the anesthesia machine; the conveying part comprises an anesthesia pipe, the anesthesia pipe is communicated with a flow dividing pipe, the flow dividing pipe is communicated with a C-shaped pipe set, a ventilation pipe, a gas mixing pipe and a gas feeding pipe, and light blades are arranged in the gas feeding pipe; the monitoring part is arranged in the anesthesia machine; the adjusting part comprises a lifting rod, the lifting rod is connected with a blocking ring and a rotating ring, a lead screw and a sleeve rod are connected into the lifting rod, and a gear B is arranged on the sleeve rod; the driving part comprises a lifting frame, a limiting groove and a gear C are arranged on the lifting frame, the lead screw is connected with a gear D, and the loop bar is connected with a gear E. The system can monitor the minute ventilation volume of a patient in real time, judge the state of the patient according to the monitored data, adjust the concentration of anesthetic gas according to the state of the patient, and prevent the patient from being hurt by too deep or too shallow anesthesia.

The invention discloses a switching mechanism and an anaesthesia machine. The switching mechanism comprises a supporting frame rotating piece and a switching valve, the switching valve comprises a valve seat and a valve element, and the supporting frame and the valve seat are both suitable for being installed on a main body of the anesthesia machine; a valve cavity is formed in the valve seat, the valve seat is further provided with a first air channel, a second air channel and a third air channel which are arranged at intervals, and the first air channel, the second air channel and the third air channel all communicate with the valve cavity. The rotating piece is rotationally connected to the supporting frame and drives the valve element to be switched from the first position to the second position, and when the valve element is located at the first position, the valve element can temporarily block the second air channel; when the rotating piece drives the valve element to be switched from the first position to the second position, the valve element can relieve blocking of the second air channel and temporarily block the third air channel. The valve element is driven by the rotating piece to be switched between the two positions in the valve seat, convenient switching between mechanical control ventilation and manual ventilation is achieved, and the manufacturing cost of the anesthesia machine is effectively reduced.

1. The name of this design product: Anesthesia Machine (800). 2. Purpose of this design product: medical equipment used for anesthesia. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.

The invention discloses an anaesthesia machine breathing circuit pressure self-adaptive adjusting device which comprises a valve seat, a valve body and a valve cover, a second rod frame is fixedly connected in the valve seat, a lower tip cone is slidably installed in the second rod frame, a second limiting protruding edge is fixedly connected to the inner wall of the valve body, a first limiting protruding edge is fixedly connected to the inner wall of the valve seat, and a second limiting protruding edge is fixedly connected to the inner wall of the valve cover. A sealing rubber ring is clamped between the first limiting protruding edge and the second limiting protruding edge, a sealing floating ball is installed in the valve body in a sliding mode, the sealing floating ball is matched with the sealing rubber ring, and an adjusting groove is formed in the valve cover. A first limiting convex edge and a second limiting convex edge are matched with each other, so that the edge of the sealing rubber ring can be clamped up and down, the sealing rubber ring can be fixed in the device, the position and the angle of the sealing rubber ring are fixed, and the stress angle of the sealing rubber ring can be prevented from deviating; and the sealing rubber ring cannot be effectively attached to the sealing floating ball to form a sealing state.

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 utility model discloses a waste gas removal device of an anesthesia machine, which aims to effectively collect and remove waste gas generated in an anesthesia process, reduce pollution in an operating room and protect health of medical staff and patients. The device comprises a device body, an air inlet, an air outlet, a buffering air bag, a cross-shaped pipe, a negative pressure valve, a three-way pipe, a backflow pipe, an exhaust pipe and the like. The device body comprises a lower pump body and an upper pump body, and air inlet pipelines and air outlet pipelines of the lower pump body and the upper pump body are communicated and share one air inlet and one air outlet. The device body further comprises a bottom plate used for fixing the lower pump body and a supporting plate used for fixing the upper pump body, universal wheels are arranged at the bottom of the bottom plate, and moving is convenient. The air inlet bypass is connected with a buffer pipe through a second valve body, the volume of the buffer pipe is 1.5 times that of the buffer air bag, and the tail end of the buffer pipe is connected with a flowmeter. The top of the device body is obliquely upwards provided with the operation panel, and operation is convenient. The device main body reduces the maintenance cost through the self-cleaning function, prolongs the service life of equipment, and has important practical value.

The invention relates to the field of medical instruments, in particular to a split type breathing circuit structure for an anesthesia machine and the anesthesia machine. The split type breathing circuit structure for the anaesthesia machine comprises a circuit main body (6), a flip cover assembly (7) and a breathing machine assembly (9), the loop body (6) comprises an electronic APL valve seat assembly (17), a sampling pipe (26) used for collecting gas path parameters, a heating assembly with automatic temperature control and overheating protection functions and an electric control exhalation valve (3). The flip assembly (7) is provided with an electronic APL valve (5); the breathing machine assembly (9) is connected with the loop main body (6) and cooperatively controls the electronic APL valve (5), the electric control driving component, the calibration component, the blowing component and the electric control switching component which are connected with the breathing machine assembly (9) through a control panel, and loop automatic ventilation control is achieved.

The utility model discloses a conversion device suitable for mask oxygen uptake and nasal catheter oxygen uptake of an anaesthesia machine, which relates to the technical field of medical equipment and comprises a round-cake-shaped base station, a small piston is arranged at one end of the base station, a large piston is arranged at one end, far away from the small piston, of the base station, and a flexible belt is arranged on the side face of the base station. A circular ring fixing structure is arranged at one end of the flexible belt away from the base. The breathing pipeline adapter connected with the anesthesia machine is fully utilized, the breathing pipeline adapter two-way piston is researched and developed, the oxygen output end of the breathing pipeline adapter can be communicated with the mask and the nasal catheter, switching between the mask and the nasal catheter is safe and portable, and clinical anesthesia work is safer and more convenient.