Anesthetic gas mixing device with anesthetic gas concentration detection function

Abstract

The invention relates to the technical field of anesthetic mixing, and particularly discloses an anesthetic gas mixing device with an anesthetic gas concentration detection function, which comprises a machine body, an air valve, an oxygen valve and an anesthetic gas valve are sequentially arranged on the surface of the machine body, and the air valve, the oxygen valve and the anesthetic gas valve are respectively connected with an air pipe, an oxygen pipe and an anesthetic pipe. The air tube, the oxygen tube and the anesthesia tube are connected with the delivery tube; one end of the delivery tube far away from the body is connected with the respirator; the first monitoring assembly is arranged at the front end of the respirator, an eye image is captured through the first monitoring assembly, and the size and change of pupils are analyzed through the image processing technology; the second monitoring assembly is arranged in the respirator, the anesthesia state of the patient is judged by monitoring two vital signs of eyeball pupils and respiratory frequency of the patient, and the concentration and proportion of air, oxygen and anesthetic gas are automatically adjusted in time according to the anesthesia state of the patient.

Description

Technical Field

[0001] The present invention relates to the technical field of anesthesia mixing, and specifically to an anesthesia gas mixing device with the function of detecting the concentration of anesthesia gas. Background Technique

[0002] An anesthesia gas mixing device can accurately mix different types of anesthesia gases, such as oxygen, nitrous oxide, anesthetic drugs, etc. according to the set ratio. It can be connected to a ventilator to provide necessary respiratory support for patients, ensuring the normal respiratory function of patients. By precisely mixing and monitoring anesthesia gases, doctors will monitor the patient's vital signs, such as heart rate, blood pressure, respiratory rate, etc., to judge whether the depth of anesthesia of the patient is sufficient. If the patient's vital signs are abnormal, such as an increase in heart rate, blood pressure, or respiratory rate, this may mean that the depth of anesthesia is insufficient and the concentration of anesthesia gas needs to be increased.

[0003] For some major surgeries or surgeries that require a long time, doctors may need to increase the concentration of anesthesia gas to maintain the patient's anesthesia state. Therefore, it is necessary for doctors with relevant anesthesia knowledge to observe the numerical values of the patient's vital signs in real time and adjust the concentration of anesthesia gas in a timely manner. Separate manpower is required for monitoring and adjustment, which is rather cumbersome and affects the surgical process. For this reason, we propose an anesthesia gas mixing device with the function of detecting the concentration of anesthesia gas. Summary of the Invention

[0004] The purpose of the present invention is to provide an anesthesia gas mixing device with the function of detecting the concentration of anesthesia gas, so as to solve the problem mentioned in the above background technique that it is necessary for doctors with relevant anesthesia knowledge to observe the numerical values of the patient's vital signs in real time and adjust the concentration of anesthesia gas in a timely manner. Separate manpower is required for monitoring and adjustment, which is rather cumbersome and affects the surgical process.

[0005] To achieve the above purpose, the present invention provides the following technical solution: An anesthesia gas mixing device with the function of detecting the concentration of anesthesia gas, including: a body, on the surface of the body, an air valve, an oxygen valve, and an anesthesia gas valve are sequentially arranged. The air valve, the oxygen valve, and the anesthesia gas valve are respectively connected to an air pipe, an oxygen pipe, and an anesthesia pipe. The air pipe, the oxygen pipe, and the anesthesia pipe are all connected to a delivery pipe. The end of the delivery pipe far away from the body is connected to a breathing mask; It further includes: a monitoring component one, which is arranged at the front end of the breathing mask. By using the monitoring component one to capture an eye image, the size and change of the pupil are analyzed by using image processing technology; A monitoring component two, which is arranged inside the breathing mask. The respiratory rate of the patient is monitored by using the monitoring component two; Gas mixing and regulating assembly one, gas mixing and regulating assembly two, and gas mixing and regulating assembly three. Gas mixing and regulating assembly one, gas mixing and regulating assembly two, and gas mixing and regulating assembly three are respectively arranged on the outer walls of the air valve, oxygen valve, and anesthetic gas valve. According to the conditions monitored by monitoring assembly one and monitoring assembly two, when monitoring assembly one and monitoring assembly two detect that the patient's breathing is aggravated and the pupils are dilated, it is judged that the patient is about to wake up. At this time, gas mixing and regulating assembly three controls the anesthetic gas valve to increase the delivery concentration of anesthetic gas, and gas mixing and regulating assembly one reduces the delivery concentration of air. When monitoring assembly one and monitoring assembly two detect that the patient's breathing is weak and the pupils are lax due to excessive anesthesia, it is judged that the patient is in life danger. At this time, gas mixing and regulating assembly three reduces the delivery concentration of anesthetic gas, and gas mixing and regulating assembly two increases the delivery concentration of oxygen.

[0006] Among them, monitoring assembly one includes a support rod arranged at the front end of the breathing mask, and brackets are fixed on both sides of the support rod. Controllers are fixed on both sides of the bottom of the support rod, and a camera is fixed on the end face of the controller, and the camera corresponds to the patient's eyes.

[0007] Among them, monitoring assembly two includes a connecting rod connecting the breathing mask and the support rod. A monitoring cavity is opened inside the breathing mask, and a fixing plate is fixed inside the monitoring cavity. A "U"-shaped water pipe is fixed on the inner wall of the fixing plate, a pressure monitor is fixed on the surface of the "U"-shaped water pipe, and insertion cylinders are fixed at both ends of the "U"-shaped water pipe, and the insertion cylinders correspond to the patient's nasal cavity.

[0008] Among them, gas mixing and regulating assembly one includes a gear plate one fixed on the outer wall of the air valve, and a rack plate one is meshed on the side of the gear plate one. The rack plate one is arranged inside the lifting seat one. A moving seat one is fixed on the surface of the lifting seat one, and a screw rod one is threadedly connected inside the moving seat one. One end of the screw rod one is rotatably connected to the support frame, and the other end of the screw rod one is fixed to the output shaft of the motor one.

[0009] Among them, a cavity one is opened inside the lifting seat one, and the rack plate one is inserted into the cavity one. A spring one is fixed on the surface of the rack plate one, and the end face of the spring one is fixed on the inner wall of the cavity one.

[0010] Among them, gas mixing and regulating assembly two includes a gear plate two fixed on the outer wall of the oxygen valve, and a rack plate two is meshed on the side of the gear plate two. The rack plate two is arranged inside the lifting seat two. A moving seat two is fixed on the surface of the lifting seat two, and a screw rod two is threadedly connected inside the moving seat two. One end of the screw rod two is rotatably connected to the support frame, and the other end of the screw rod two is fixed to the output shaft of the motor two.

[0011] Among them, a cavity two is formed inside the lifting seat two, and the rack plate two is inserted into the cavity two. A spring two is fixed on the surface of the rack plate two, and the end face of the spring two is fixed on the inner wall of the cavity two.

[0012] Among them, the gas mixing and regulating component three includes a gear plate three fixed on the outer wall of the anesthesia gas valve. A rack plate three is engaged with the side of the gear plate three. The rack plate three is arranged inside the lifting seat three. A moving seat three is fixed on the surface of the lifting seat three, and a screw rod three is threadedly connected inside the moving seat three. One end of the screw rod three is rotatably connected to the support frame, and the other end of the screw rod three is fixedly connected to the output shaft of the motor three.

[0013] Among them, a cavity three is formed inside the lifting seat three, and the rack plate three is inserted into the cavity three. A spring three is fixed on the surface of the rack plate three, and the end face of the spring three is fixed on the inner wall of the cavity three.

[0014] Among them, the top of the support frame is fixed to the body. The tops of the motor one, the motor two and the motor three are fixed to the inner wall of the fixing frame, and the end face of the fixing frame is fixed on the surface of the body.

[0015] The present invention at least has the following beneficial effects: By monitoring two vital signs of the patient's eyeball pupil and breathing frequency, the anesthesia state of the patient is judged. According to the signal data monitored by the monitoring component one and the monitoring component two, the gas mixing and regulating component one, the gas mixing and regulating component two and the gas mixing and regulating component three are respectively controlled to start. When a signal of the patient's awakening appears, the concentration of the anesthesia gas is increased and the concentration of the air is decreased respectively through the gas mixing and regulating component three and the gas mixing and regulating component one. When the patient is in danger due to excessive anesthesia, the concentration of the anesthesia gas is decreased and the concentration of the oxygen is increased respectively through the gas mixing and regulating component three and the gas mixing and regulating component two to realize emergency rescue. The concentration and proportion of the air, the oxygen and the anesthesia gas are automatically adjusted in time according to the patient's anesthesia state, reducing the work burden of the medical staff and being more convenient. Description of the Drawings

[0016] Figure 1 is a three-dimensional structural schematic diagram of the present invention; Figure 2 is a partial structural schematic diagram of the body of the present invention; Figure 3 is a partial structural schematic diagram of the monitoring component one of the present invention; Figure 4 is a partial structural cross-sectional view of the breathing mask of the present invention; Figure 5 is a partial structural schematic diagram of the monitoring component two of the present invention; Figure 6 is a partial structural cross-sectional view of the "U"-shaped water pipe of the present invention; Figure 7 This is a partial structural schematic diagram of the conveying pipe, gas mixing and regulating component I, gas mixing and regulating component II, and gas mixing and regulating component III of the present invention; Figure 8 This is a partial structural schematic diagram of gas mixing and regulating component I, gas mixing and regulating component II, and gas mixing and regulating component III of the present invention; Figure 9 This is a partial structural cross-sectional view of gas mixing and regulating component I, gas mixing and regulating component II, and gas mixing and regulating component III of the present invention.

[0017] In the figure: 11, body; 12, air pipe; 13, oxygen pipe; 14, anesthesia pipe; 15, conveying pipe; 16, breathing mask; 2, monitoring component I; 21, support rod; 22, bracket; 23, controller; 24, camera; 3, monitoring component II; 31, connecting rod; 32, monitoring cavity; 33, fixing plate; 34, "U"-shaped water pipe; 35, pressure monitor; 36, inserting cylinder; 41, air valve; 42, oxygen valve; 43, anesthesia gas valve; 5, gas mixing and regulating component I; 51, gear plate I; 52, lifting seat I; 53, rack plate I; 54, cavity I; 55, spring I; 56, moving seat I; 57, screw rod I; 58, motor I; 6, gas mixing and regulating component II; 61, gear plate II; 62, lifting seat II; 63, rack plate II; 64, cavity II; 65, spring II; 66, moving seat II; 67, screw rod II; 68, motor II; 7, gas mixing and regulating component III; 71, gear plate III; 72, lifting seat III; 73, rack plate III; 74, cavity III; 75, spring III; 76, moving seat III; 77, screw rod III; 78, motor III; 81, support frame; 82, fixing frame. Detailed implementation manners

[0018] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0019] Embodiment 1 Please refer to Figures 1 to 9, the present invention provides a technical solution: an anesthesia gas mixing device with the function of detecting the concentration of anesthesia gas, including: a body 11, on the surface of the body 11, an air valve 41, an oxygen valve 42 and an anesthesia gas valve 43 are sequentially arranged. The air valve 41, the oxygen valve 42 and the anesthesia gas valve 43 are respectively connected to an air pipe 12, an oxygen pipe 13 and an anesthesia pipe 14. The air pipe 12, the oxygen pipe 13 and the anesthesia pipe 14 are all connected to a delivery pipe 15. One end of the delivery pipe 15 far away from the body 11 is connected to a breathing mask 16; It further includes: a monitoring component one 2, the monitoring component one 2 is arranged at the front end of the breathing mask 16, captures an eye image through the monitoring component one 2, and analyzes the size and change of the pupil by using image processing technology; A monitoring component two 3, the monitoring component two 3 is arranged inside the breathing mask 16, monitors the breathing frequency of the patient through the monitoring component two 3, and judges the anesthesia state of the patient by monitoring two sets of vital signs of the patient's eyeball pupil and breathing frequency; A gas mixing adjustment component one 5, a gas mixing adjustment component two 6 and a gas mixing adjustment component three 7, the gas mixing adjustment component one 5, the gas mixing adjustment component two 6 and the gas mixing adjustment component three 7 are respectively arranged on the outer walls of the air valve 41, the oxygen valve 42 and the anesthesia gas valve 43. According to the conditions monitored by the monitoring component one 2 and the monitoring component two 3, when the monitoring component one 2 and the monitoring component two 3 monitor that the patient's breathing is getting heavier and the pupil is dilated, it is judged that the patient is about to wake up. At this time, the anesthesia gas valve 43 is controlled by the gas mixing adjustment component three 7 to increase the delivery concentration of the anesthesia gas, and the air delivery concentration is reduced by the gas mixing adjustment component one 5. When the monitoring component one 2 and the monitoring component two 3 monitor that the patient's breathing is weak and the pupil is lax due to excessive anesthesia, it is judged that the patient is in life danger. At this time, the delivery concentration of the anesthesia gas is reduced by the gas mixing adjustment component three 7, and the oxygen delivery concentration is increased by the gas mixing adjustment component two 6. The start of the gas mixing adjustment component one 5, the gas mixing adjustment component two 6 and the gas mixing adjustment component three 7 is respectively controlled by the signal data monitored by the monitoring component one 2 and the monitoring component two 3. When a signal of the patient waking up appears, the concentration of the anesthesia gas is increased and the concentration of the air is reduced respectively by the gas mixing adjustment component three 7 and the gas mixing adjustment component one 5. When the patient is in danger due to excessive anesthesia, the concentration of the anesthesia gas is reduced and the concentration of the oxygen is increased respectively by the gas mixing adjustment component three 7 and the gas mixing adjustment component two 6 to achieve emergency rescue.

[0020] The monitoring component 2 includes a support rod 21 arranged at the front end of the breathing mask 16. Brackets 22 are fixed on both sides of the support rod 21. Controllers 23 are fixed on both sides of the bottom of the support rod 21. A camera 24 is fixed on the end face of the controller 23. The camera 24 corresponds to the patient's eyes. The eye movement detection system can capture the eye images through the camera 24, and use image processing technology to analyze the size and changes of the pupils. Usually, a camera 24 equipped with an infrared light source is used to obtain clear images even in low-light conditions. By monitoring the changes in the patient's eyeball pupils through the camera 24, it is convenient to judge the patient's sleep state.

[0021] The monitoring component 3 includes a connecting rod 31 connecting the breathing mask 16 and the support rod 21. A monitoring chamber 32 is formed inside the breathing mask 16. A fixing plate 33 is fixed inside the monitoring chamber 32. A "U"-shaped water pipe 34 is fixed on the inner wall of the fixing plate 33. A pressure monitor 35 is fixed on the surface of the "U"-shaped water pipe 34. Insertion cylinders 36 are fixed at both ends of the "U"-shaped water pipe 34. The insertion cylinders 36 correspond to the patient's nasal cavity. By approaching the patient's nasal cavity through the insertion cylinders 36, the frequency of the breath exhaled by the patient's nasal cavity is monitored. When the breath exhaled by the patient enters the inside of the insertion cylinder 36, the breath pushes the "U"-shaped water pipe 34, causing the liquid inside the "U"-shaped water pipe 34 to be squeezed. The pressure monitor 35 monitors the squeezing pressure inside the "U"-shaped water pipe 34 and transmits the signals uniformly to the controller 23. This set of signals is combined with the signals transmitted by the camera 24 to comprehensively judge the patient's anesthesia state.

[0022] Embodiment 2 The gas mixing and regulating component 5 includes a gear plate 51 fixed on the outer wall of the air valve 41. A rack plate 53 is meshed on the side of the gear plate 51. The rack plate 53 is arranged inside the lifting seat 52. A moving seat 56 is fixed on the surface of the lifting seat 52. A screw rod 57 is threadedly connected inside the moving seat 56. One end of the screw rod 57 is rotatably connected to the support frame 81. The other end of the screw rod 57 is fixed to the output shaft of the motor 58. When the patient is about to wake up, the delivery gear of the air valve 41 needs to be adjusted to reduce the delivery amount of air and increase the delivery amount of anesthetic gas. The controller 23 controls the motor 58 to start working. The motor 58 drives the screw rod 57 to rotate forward. When the screw rod 57 rotates, the moving seat 56 moves. The moving seat 56 drives the lifting seat 52 to move synchronously. The lifting seat 52 drives the rack plate 53 to move synchronously. When the rack plate 53 moves, it drives the gear plate 51 to rotate under the cooperation of the teeth. The gear plate 51 drives the air valve 41 to rotate synchronously, realizing the rotational adjustment of the air valve 41, thereby reducing the delivery amount of air. When the patient enters the anesthesia state, the motor 58 works in reverse, driving the screw rod 57 to rotate in reverse, causing the air valve 41 to rotate to the initial position.

[0023] A cavity 54 is formed inside the lifting seat 52, and the rack plate 53 is inserted into the cavity 54. A spring 55 is fixed on the surface of the rack plate 53, and the end face of the spring 55 is fixed on the inner wall of the cavity 54. When manually adjusting the air valve 41 in the early stage of the operation, manually rotate the air valve 41. At the same time, the air valve 41 drives the gear plate 51 to rotate synchronously. After the gear plate 51 rotates, it squeezes the rack plate 53 and squeezes the rack plate 53 into the lifting seat 52. At this time, the spring 55 is in a compressed and energy-storing state. When the operator finishes rotating, the gear plate 51 stops rotating, the rack plate 53 extends out of the lifting seat 52, and the spring 55 returns to the normal state. The rack plate 53 and the gear plate 51 are tightly squeezed to realize the limiting operation of the gear plate 51. Through this design, it is beneficial for the operator to manually adjust the air valve 41, adjust the air delivery speed, and realize the combination of manual and automatic air delivery control methods. The operation is more convenient and flexible, and the applicable range is wider.

[0024] The gas mixing and regulating assembly 6 includes a gear plate 61 fixed on the outer wall of the oxygen valve 42, and a rack plate 63 is engaged on the side of the gear plate 61. The rack plate 63 is arranged inside the lifting seat 62. A moving seat 66 is fixed on the surface of the lifting seat 62, and a screw rod 67 is threadedly connected inside the moving seat 66. One end of the screw rod 67 is rotatably connected to the support frame 81, and the other end of the screw rod 67 is fixedly connected to the output shaft of the motor 68. When the patient's vital signs are in danger due to excessive anesthesia, it is necessary to increase the oxygen delivery volume and reduce the anesthesia gas delivery volume, and adjust the delivery gear of the oxygen valve 42. The controller 23 controls the motor 68 to start working. The motor 68 drives the screw rod 67 to reverse. The screw rod 67 rotates to drive the moving seat 66 to move. The moving seat 66 moves to drive the lifting seat 62 to move synchronously. The moving seat 66 drives the rack plate 63 to move synchronously. When the rack plate 63 moves, under the action of the teeth, it drives the gear plate 61 to rotate. The gear plate 61 drives the oxygen valve 42 to rotate synchronously to realize the rotational adjustment operation of the oxygen valve 42 and increase the oxygen delivery volume. When the patient is out of danger, the controller 23 controls the motor 68 to work in the reverse direction, driving the screw rod 67 to rotate forward, so that the gear plate 61 returns to the initial position, which is beneficial to the normal delivery of oxygen.

[0025] The interior of the second lifting seat 62 is provided with a second cavity 64, and the second rack plate 63 is inserted into the interior of the second cavity 64. A second spring 65 is fixed on the surface of the second rack plate 63, and the end face of the second spring 65 is fixed on the inner wall of the second cavity 64. When manually adjusting the oxygen valve 42 in the early stage of the operation, manually rotate the oxygen valve 42. At the same time, the oxygen valve 42 drives the second gear plate 61 to rotate synchronously, so that the second rack plate 63 is squeezed into the interior of the second lifting seat 62, and the second spring 65 is compressed. When the operator finishes rotating, the second rack plate 63 extends from the interior of the second lifting seat 62, and the second spring 65 returns to the normal state. Through this design, it is beneficial for the operator to manually adjust the oxygen valve 42, adjust the oxygen delivery speed, realize the combination of manual and automatic oxygen delivery control methods, the operation is more convenient and flexible, and the applicable range is wider.

[0026] The third gas mixing and regulating assembly 7 includes a third gear plate 71 fixed on the outer wall of the anesthetic gas valve 43, and a third rack plate 73 is engaged on the side of the third gear plate 71. The third rack plate 73 is arranged inside the third lifting seat 72. A third moving seat 76 is fixed on the surface of the third lifting seat 72, and a third screw rod 77 is threadedly connected inside the third moving seat 76. One end of the third screw rod 77 is rotatably connected to the support frame 81, and the other end of the third screw rod 77 is fixedly connected to the output shaft of the third motor 78. When the patient's vital signs are in danger due to excessive anesthesia, it is necessary to reduce the delivery volume of the anesthetic gas and adjust the delivery gear of the anesthetic gas valve 43. The controller 23 controls the third motor 78 to start working. The third motor 78 drives the third screw rod 77 to rotate forward. The rotation of the third screw rod 77 drives the third moving seat 76 to move. The movement of the third moving seat 76 drives the third lifting seat 72 to move synchronously. The third moving seat 76 drives the third rack plate 73 to move synchronously. When the third rack plate 73 moves, under the action of the teeth, it drives the third gear plate 71 to rotate. The third gear plate 71 drives the anesthetic gas valve 43 to rotate synchronously, realizing the rotational adjustment operation of the anesthetic gas valve 43 and reducing the delivery volume of the anesthetic gas. When the patient is out of danger, the controller 23 controls the third motor 78 to work in the reverse direction, driving the third screw rod 77 to rotate in the reverse direction, so that the third gear plate 71 returns to the initial position, which is beneficial to the normal delivery of the anesthetic gas; When the patient is about to wake up due to too little anesthetic gas, it is necessary to increase the delivery volume of the anesthetic gas. The controller 23 controls the third motor 78 to work in the reverse direction, driving the third screw rod 77 to rotate in the reverse direction, realizing the reverse adjustment of the anesthetic gas valve 43 and increasing the delivery volume of the anesthetic gas.

[0027] A cavity three 74 is formed inside the lifting seat three 72, and the rack plate three 73 is inserted into the cavity three 74. A spring three 75 is fixed on the surface of the rack plate three 73, and the end face of the spring three 75 is fixed on the inner wall of the cavity three 74. When manually adjusting the anesthesia gas valve 43 in the early stage of the operation, manually rotate the anesthesia gas valve 43. At the same time, the anesthesia gas valve 43 drives the gear plate three 71 to rotate synchronously, so that the rack plate three 73 is extruded into the lifting seat three 72, and the spring three 75 is compressed. When the operator finishes rotating, the rack plate three 73 extends out of the lifting seat three 72, and the spring three 75 returns to the normal state. Through this design, it is beneficial for the operator to manually adjust the anesthesia gas valve 43, adjust the delivery speed of the anesthesia gas, realize the combination of manual and automatic control methods for the delivery of anesthesia gas, the operation is more convenient and flexible, and the applicable range is wider.

[0028] The top of the support frame 81 is fixed to the machine body 11, and the tops of the first motor 58, the second motor 68 and the third motor 78 are fixed to the inner wall of the fixing frame 82. The end face of the fixing frame 82 is fixed to the surface of the machine body 11. The support frame 81 supports the first screw rod 57, the second screw rod 67 and the third screw rod 77, making the rotation of the first screw rod 57, the second screw rod 67 and the third screw rod 77 more stable. The fixing frame 82 fixes the first motor 58, the second motor 68 and the third motor 78, making the first motor 58, the second motor 68 and the third motor 78 more stable. A notch is formed in the inner wall of the machine body 11 to cooperate with the gas mixing and regulating assembly one 5, the gas mixing and regulating assembly two 6 and the gas mixing and regulating assembly three 7. The notch limits the lifting seats one 56, two 66 and three 76, making the lifting of the lifting seats one 56, two 66 and three 76 more stable.

[0029] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variation thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article or device.

[0030] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An anesthesia gas mixing device with the function of detecting the concentration of anesthesia gas, comprising: A body (11), on the surface of which an air valve (41), an oxygen valve (42) and an anesthesia gas valve (43) are sequentially arranged. The air valve (41), the oxygen valve (42) and the anesthesia gas valve (43) are respectively connected to an air pipe (12), an oxygen pipe (13) and an anesthesia pipe (14). The air pipe (12), the oxygen pipe (13) and the anesthesia pipe (14) are all connected to a delivery pipe (15). One end of the delivery pipe (15) far from the body (11) is connected to a breathing mask (16). It is characterized in that: it further includes: A first monitoring component (2), which is arranged at the front end of the breathing mask (16). By using the first monitoring component (2) to capture an eye image, the size and change of the pupil are analyzed by using image processing technology. A second monitoring component (3), which is arranged inside the breathing mask (16). By using the second monitoring component (3), the breathing frequency of the patient is monitored. A first gas mixing and regulating component (5), a second gas mixing and regulating component (6) and a third gas mixing and regulating component (7). The first gas mixing and regulating component (5), the second gas mixing and regulating component (6) and the third gas mixing and regulating component (7) are respectively arranged on the outer walls of the air valve (41), the oxygen valve (42) and the anesthesia gas valve (43). According to the conditions monitored by the first monitoring component (2) and the second monitoring component (3), when the first monitoring component (2) and the second monitoring component (3) monitor that the patient's breathing is getting heavier and the pupil is dilated, it is judged that the patient is about to wake up. At this time, the third gas mixing and regulating component (7) is used to control the anesthesia gas valve (43) to increase the delivery concentration of the anesthesia gas, and the first gas mixing and regulating component (5) is used to reduce the delivery concentration of the air. When the first monitoring component (2) and the second monitoring component (3) monitor that the patient's breathing is weak and the pupil is lax due to excessive anesthesia, it is judged that the patient is in life danger. At this time, the third gas mixing and regulating component (7) is used to reduce the delivery concentration of the anesthesia gas, and the second gas mixing and regulating component (6) is used to increase the delivery concentration of the oxygen.

2. The anesthesia gas mixing device with the function of detecting the concentration of anesthesia gas according to claim 1, wherein: The first monitoring component (2) includes a support rod (21) arranged at the front end of the breathing mask (16), and brackets (22) are fixed on both sides of the support rod (21). Controllers (23) are fixed on both sides of the bottom of the support rod (21), and a camera (24) is fixed on the end face of the controller (23). The camera (24) corresponds to the eyes of the patient.

3. The anesthetic gas mixing device with the function of detecting the concentration of anesthetic gas according to claim 1, characterized in that: The second monitoring component (3) includes a connecting rod (31) connecting the breathing mask (16) and the support rod (21). A monitoring cavity (32) is formed inside the breathing mask (16), and a fixing plate (33) is fixed inside the monitoring cavity (32). A "U"-shaped water pipe (34) is fixed on the inner wall of the fixing plate (33), a pressure monitor (35) is fixed on the surface of the "U"-shaped water pipe (34), and inserting cylinders (36) are fixed at both ends of the "U"-shaped water pipe (34). The inserting cylinders (36) correspond to the nasal cavities of the patient.

4. The anesthesia gas mixing device with the function of detecting the concentration of anesthesia gas according to claim 1, characterized in that: The gas mixing and regulating component one (5) includes a gear plate one (51) fixed to the outer wall of the air valve (41), and a rack plate one (53) is meshed with the side of the gear plate one (51). The rack plate one (53) is arranged inside the lifting seat one (52). A moving seat one (56) is fixed to the surface of the lifting seat one (52), and a screw rod one (57) is threadedly connected inside the moving seat one (56). One end of the screw rod one (57) is rotatably connected to the support frame (81), and the other end of the screw rod one (57) is fixedly connected to the output shaft of the motor one (58).

5. The anesthesia gas mixing device with the function of detecting the concentration of anesthesia gas according to claim 4, characterized in that: A cavity one (54) is formed inside the lifting seat one (52), and the rack plate one (53) is inserted into the cavity one (54). A spring one (55) is fixed to the surface of the rack plate one (53), and the end face of the spring one (55) is fixed to the inner wall of the cavity one (54).

6. The anesthetic gas mixing device with the function of detecting the concentration of anesthetic gas according to claim 1, characterized in that: The gas mixing and regulating component two (6) includes a gear plate two (61) fixed to the outer wall of the oxygen valve (42), and a rack plate two (63) is meshed with the side of the gear plate two (61). The rack plate two (63) is arranged inside the lifting seat two (62). A moving seat two (66) is fixed to the surface of the lifting seat two (62), and a screw rod two (67) is threadedly connected inside the moving seat two (66). One end of the screw rod two (67) is rotatably connected to the support frame (81), and the other end of the screw rod two (67) is fixedly connected to the output shaft of the motor two (68).

7. The anesthesia gas mixing device with the function of detecting the concentration of anesthesia gas according to claim 6, characterized in that: A cavity two (64) is formed inside the lifting seat two (62), and the rack plate two (63) is inserted into the cavity two (64). A spring two (65) is fixed to the surface of the rack plate two (63), and the end face of the spring two (65) is fixed to the inner wall of the cavity two (64).

8. The anesthesia gas mixing device with the function of detecting the concentration of anesthesia gas according to claim 1, characterized in that: The gas mixing and regulating component three (7) includes a gear plate three (71) fixed to the outer wall of the anesthesia gas valve (43), and a rack plate three (73) is meshed with the side of the gear plate three (71). The rack plate three (73) is arranged inside the lifting seat three (72). A moving seat three (76) is fixed to the surface of the lifting seat three (72), and a screw rod three (77) is threadedly connected inside the moving seat three (76). One end of the screw rod three (77) is rotatably connected to the support frame (81), and the other end of the screw rod three (77) is fixedly connected to the output shaft of the motor three (78).

9. The anesthesia gas mixing device with the function of detecting the concentration of anesthesia gas according to claim 8, characterized in that: A cavity three (74) is formed inside the lifting seat three (72), and the rack plate three (73) is inserted into the cavity three (74). A spring three (75) is fixed to the surface of the rack plate three (73), and the end face of the spring three (75) is fixed to the inner wall of the cavity three (74).

10. The anesthesia gas mixing device with the function of detecting the concentration of anesthesia gas according to claim 4, characterized in that: The top of the support frame (81) is fixed to the machine body (11). The tops of the motor one (58), the motor two (68), and the motor three (78) are fixed to the inner wall of the fixing frame (82), and the end face of the fixing frame (82) is fixed to the surface of the machine body (11).

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