Multifunctional anesthetic gas purification and recovery device

Abstract

The utility model relates to the technical field of anesthetic gas recovery devices, in particular to a multifunctional anesthetic gas purification and recovery device which comprises a box body and a positioning assembly, a first fixing guide pipe penetrates through the top of the box body, the positioning assembly comprises a U-shaped clamping plate, the bottom of the U-shaped clamping plate is in threaded connection with a threaded rod, and the top end of the threaded rod is rotationally connected with an extrusion bottom plate. A gooseneck pipe is arranged at the top of the U-shaped clamping plate, an air suction hood is arranged at the end of the gooseneck pipe, a second fixing guide pipe is arranged on the outer wall of the air suction hood and communicated with the first fixing guide pipe through a first air guide hose, and a first particle filtering net plate, a second particle filtering net plate, an activated carbon filtering net plate, an air extracting pump and an air storage tank are arranged in the box body. According to the multifunctional anesthetic gas purification and recovery device, the positioning assembly and the edge of the operating bed are clamped and fixed, the stability of the device is improved, the suction hood can be prevented from shifting due to external force in the operating process, effective recovery of anesthetic gas is ensured, and potential safety hazards are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of anesthesia gas recovery devices, in particular to a multifunctional anesthesia gas purification and recovery device. Background Art

[0002] Anesthetic gas is a widely used form of medicine in modern surgery. Common volatile anesthetic gases include isoflurane, sevoflurane, desflurane, etc. These anesthetic gases not only have the characteristics of rapid onset of action, but are also easy to control, so they are widely used in various surgical operations and medical operations. However, in the operating room, residual anesthetic gases often leak or discharge through the air, affecting the health of medical staff. Medical staff who are exposed to low-concentration anesthetic gas environments for a long time may face the risk of dizziness, nausea, fatigue, and even neurological diseases. Therefore, in order to protect the health of medical staff and reduce environmental pollution, it has become necessary to effectively recover anesthetic gases. The application of anesthetic gas recovery devices is of great significance for improving surgical safety, protecting the health of medical staff, and promoting an environmentally friendly medical environment.

[0003] The patent with publication number CN219323752U discloses an anesthetic gas recovery device, including a recovery box for recovering anesthetic gas and an exhaust pipe plugged into the middle of one side of the recovery box, a winding mechanism is installed on one side outer wall of the recovery box; the winding mechanism includes a mounting frame installed on the outer wall of one side of the recovery box and a servo motor installed on the outer wall of one side of the mounting frame, the output end of the servo motor passes through the corresponding side of the mounting frame and is connected to a rotating drum, and the exhaust pipe is wound around the side wall of the rotating drum, a cover is installed at one end of the exhaust pipe, baffles are connected to both sides of the rotating drum, a filter mechanism corresponding to the exhaust pipe is installed on one side inner wall of the recovery box, and the filter mechanism includes a mounting shell installed on the inner wall of one side of the recovery box and a filter screen vertically plugged into the middle of the mounting shell. In the anesthetic gas recovery device, the exhaust pipe for recovering exhaust gas is easy to store and pull out, making it more convenient to use, and the filter screen for filtering exhaust gas will not be blocked.

[0004] The above-mentioned prior art drives the drum to rotate counterclockwise by a servo motor to pull out the exhaust pipe, and then brings the mask body close to the patient's mouth and nose and turns on the vacuum pump to recover the exhaust gas. However, the device still has some shortcomings. The mask body connected to the exhaust pipe cannot be effectively fixed in position and is easily touched and displaced. This design defect may cause the anesthetic gas to be unable to be effectively inhaled by the mask body, thereby posing a safety hazard. In view of this, we propose a multifunctional anesthetic gas purification and recovery device. Summary of the invention

[0005] The purpose of the utility model is to provide a multifunctional anesthetic gas purification and recovery device to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A multifunctional anesthesia gas purification and recovery device comprises a box body and a positioning component, wherein the positioning component is used to be clamped and fixed to the edge of an operating table, so that the positioning component is fixed to the edge of the operating table to ensure stable operation of the device during surgery, and a first fixed conduit is provided through the top of the box body to connect a first gas guide hose to ensure stable gas delivery;

[0008] The positioning assembly includes a U-shaped clamping plate, the bottom of the U-shaped clamping plate is threadedly connected to a threaded rod, the top of the threaded rod is rotatably connected to an extrusion bottom plate, the extrusion bottom plate is driven to move up and down by the threaded rod, and the extrusion bottom plate increases the clamping force by applying pressure, thereby further improving the stability of the positioning assembly, a gooseneck tube is provided on the top of the U-shaped clamping plate, and the gooseneck tube can facilitate medical staff to position the suction hood at the patient's mouth and nose to ensure that the suction hood can effectively inhale the escaped anesthetic gas, an end of the gooseneck tube away from the U-shaped clamping plate is provided with a suction hood, and an outer wall of the suction hood is provided with a second fixed conduit, and the second fixed conduit is connected to the first fixed conduit through a first air guide hose to ensure that the anesthetic gas flows into the box for subsequent treatment;

[0009] The box body is provided with a first partition and a second partition for dividing the internal space of the box body and optimizing the gas flow path. The box body and the position above the first partition are provided with a first particle filter screen, a second particle filter screen and an activated carbon filter screen from top to bottom in sequence, wherein the first particle filter screen is used for preliminary filtering of larger particles, the second particle filter screen is used for further filtering of smaller particles, and the activated carbon filter screen is used for absorbing impurities and odors in the anesthetic gas to ensure the gas purification effect;

[0010] A vacuum pump is provided on the top of the second partition. The vacuum pump is connected to an external power supply to generate negative pressure, forcing the gas to pass through the filtering system. A vacuum pipe is provided at the input end of the vacuum pump. The input end of the vacuum pipe passes through the bottom of the first partition and is used to collect the filtered gas. An air supply pipe is provided at the output end of the vacuum pump. The output end of the air supply pipe passes through the top of the second partition and is connected to a one-way valve. The one-way valve is used to ensure that the gas flows only in one direction to prevent backflow from affecting the performance of the equipment.

[0011] A gas storage tank is placed at the bottom of the box body, and the gas storage tank is used to store purified anesthetic gas for subsequent reuse or standard discharge. An air inlet pipe with a valve and an air outlet pipe with a valve are provided on the top of the gas storage tank. The air inlet pipe is connected to the output end of the one-way valve through a second air guide hose to enable gas entry.

[0012] Preferably, the bottom of the box and near the four corners are provided with brakeable universal wheels, which facilitate the movement and position fixation of the device and improve the convenience of operation. A push rod is provided on the left side of the box and near the top, and the push rod is used to push the device to move.

[0013] Preferably, rubber pads are bonded to the top of the extruded base plate and the top of the inner wall of the U-shaped clamp, which prevent the positioning assembly from sliding during the clamping process by increasing friction. The left side of the extruded base plate fits with the left side of the inner wall of the U-shaped clamp to enhance the clamping stability.

[0014] Preferably, fixed side panels are provided on the left and right sides of the inner wall of the box and near the top, and the fixed side panels are used to support the filter screen. First positioning grooves are provided on the opposite sides of the two fixed side panels and at the middle and upper parts, and the first particle filter screen is located between the two first positioning grooves to ensure its stable installation.

[0015] Preferably, the filter hole size of the first particle filter screen is larger than the filter hole size of the second particle filter screen to achieve step-by-step filtration. Second positioning grooves are provided on the opposite sides of the two fixed side plates and in the middle. The second particle filter screen is located between the two second positioning grooves to facilitate the disassembly and assembly of the second particle filter screen.

[0016] Preferably, third positioning grooves are provided on the opposite sides of the two fixed side panels and at the middle and lower parts, and the activated carbon filter screen is located between the two third positioning grooves for absorbing impurities and odors in the anesthetic gas.

[0017] Preferably, a first operating port is provided on the front side of the box body near the top for the first particle filter plate, the second particle filter plate and the activated carbon filter plate to pass through, and a sealing plate is provided at the first operating port, which is used to seal the first operating port to prevent gas leakage.

[0018] Preferably, mounting holes are provided on the front side of the sealing plate and near the middle of the left and right edges, and clamping bolts are connected in the mounting holes. The clamping bolts are threadedly connected to the front side of the box body, and the clamping bolts are used to fix the sealing plate to the front side of the box body. A rubber abutment plate is provided on the rear side of the sealing plate, and the outer wall of the rubber abutment plate is tightly fitted with the inner wall of the first operating port to further enhance the sealing effect.

[0019] Preferably, a second operating port for the gas tank to pass through is opened on the front side of the box body, and the second operating port is used to facilitate the taking and placing of the gas tank. A single-opening door is hinged on the front side of the box body for closing the second operating port, and the single-opening door is used to protect the gas tank and prevent external interference.

[0020] Preferably, a frame-shaped limit block is provided at the bottom of the inner wall of the box, and the bottom of the gas tank is placed in the frame-shaped limit block. The frame-shaped limit block is used to fix the bottom position of the gas tank to prevent the gas tank from moving inside the box and causing damage to the pipeline. Handles are provided on the left and right sides of the gas tank and near the top, and the handles facilitate the installation and transportation of the gas tank.

[0021] Compared with the prior art, the beneficial effects of the utility model are:

[0022] 1. The multifunctional anesthesia gas purification and recovery device is fixed to the edge of the operating table by a positioning component and a combination of a U-shaped clamp, a threaded rod and an extruded bottom plate to improve the stability of the device, thereby preventing the suction hood from shifting due to external forces during surgery, ensuring the effective recovery of anesthesia gas and reducing safety hazards.

[0023] 2. The multifunctional anesthetic gas purification and recovery device is equipped with a three-stage filtration system, including a first particle filter screen, a second particle filter screen and an activated carbon filter screen, which can filter particles of different sizes step by step and absorb impurities and odors in the anesthetic gas, which significantly improves the gas purification effect.

[0024] 3. The multifunctional anesthesia gas purification and recovery device is equipped with a one-way valve to ensure that the filtered gas only flows into the gas storage tank in one direction, preventing gas backflow from affecting the performance of the equipment, ensuring the efficient operation of the device and the safe storage of gas.

[0025] 4. The multifunctional anesthesia gas purification and recovery device is designed with an operating port for easy replacement of the filter screen, and is equipped with a sealing plate and a clamping bolt. While ensuring the sealing, it provides the convenience of quick replacement and maintenance, greatly reducing the difficulty of operation and maintenance time. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0027] Figure 2 It is a schematic diagram of the assembly structure of the positioning component and the air suction hood in the utility model.

[0028] Figure 3 This is one of the partial structural schematic diagrams of the utility model.

[0029] Figure 4 This is the second partial structural schematic diagram of the utility model.

[0030] Figure 5 It is a schematic diagram of the cross-sectional structure of the box body in the utility model.

[0031] Figure 6 It is a schematic diagram of the sealing plate structure in the utility model.

[0032] In the figure: 1, box body; 10, first fixed conduit; 11, first partition; 12, second partition; 13, first operation port; 14, second operation port; 15, frame-shaped limit block; 2, positioning assembly; 20, U-shaped clamp; 21, threaded rod; 22, extrusion bottom plate; 23, gooseneck; 24, rubber pad; 3, suction hood; 30, second fixed conduit; 4, first air guide hose; 5, first particle filter screen; 6, second particle filter screen; 7, activated carbon filter screen ;8. Vacuum pump;80. Vacuum pipe;81. Air supply pipe;9. Air storage tank;90. Air inlet pipe;91. Air outlet pipe;92. Handle;16. Fixed side panel;160. First positioning groove;161. Second positioning groove;162. Third positioning groove;17. Sealing plate;170. Rubber abutment plate;171. Mounting hole;18. Clamping bolt;19. Single-opening box door;100. Brakeable universal wheel;101. Push rod;102. One-way valve;103. Second air guide hose. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0035] See also Figure 1-Figure 6 , the utility model provides a technical solution:

[0036] The multifunctional anesthesia gas purification and recovery device comprises a box body 1 and a positioning component 2. The positioning component 2 is used to be clamped and fixed with the edge of the operating table, so that the positioning component 2 is fixed at the edge of the operating table to ensure the stable operation of the device during the operation. A first fixed conduit 10 is penetrated through the top of the box body 1 to connect the first gas guide hose 4 to ensure the stable delivery of the gas.

[0037] The positioning assembly 2 includes a U-shaped clamping plate 20, the bottom of the U-shaped clamping plate 20 is threadedly connected to a threaded rod 21, the top of the threaded rod 21 is rotatably connected to an extrusion bottom plate 22, the extrusion bottom plate 22 is driven to move up and down by the threaded rod 21, the extrusion bottom plate 22 increases the clamping force by applying pressure, and further improves the stability of the positioning assembly 2, a gooseneck tube 23 is provided on the top of the U-shaped clamping plate 20, the gooseneck tube 23 can facilitate medical staff to position the suction hood 3 at the patient's mouth and nose, ensuring that the suction hood 3 can effectively inhale the escaped anesthetic gas, the end of the gooseneck tube 23 away from the U-shaped clamping plate 20 is provided with the suction hood 3, the outer wall of the suction hood 3 is provided with a second fixed conduit 30, the second fixed conduit 30 is connected to the first fixed conduit 10 through the first air guide hose 4, ensuring that the anesthetic gas flows into the box 1 for subsequent treatment;

[0038] A first partition plate 11 and a second partition plate 12 are provided in the box body 1 to separate the internal space of the box body 1 and optimize the gas flow path. A first particle filter screen plate 5, a second particle filter screen plate 6 and an activated carbon filter screen plate 7 are provided in the box body 1 and above the first partition plate 11 from top to bottom. The first particle filter screen plate 5 is used to initially filter larger particles, the second particle filter screen plate 6 further filters smaller particles, and the activated carbon filter screen plate 7 is used to absorb impurities and odors in the anesthetic gas to ensure the gas purification effect.

[0039] An air pump 8 is provided on the top of the second partition 12. The air pump 8 is connected to an external power supply to generate negative pressure, forcing the gas to pass through the filtering system. An air pump 8 is provided at the input end of the air pump 8. The input end of the air pump 80 passes through the bottom of the first partition 11 and is used to collect the filtered gas. An air supply pipe 81 is provided at the output end of the air pump 8. The output end of the air supply pipe 81 passes through the top of the second partition 12 and is connected to a one-way valve 102. The one-way valve 102 is used to ensure that the gas flows only in one direction to prevent backflow from affecting the performance of the equipment.

[0040] A gas storage tank 9 is placed at the bottom of the box body 1. The gas storage tank 9 is used to store purified anesthetic gas for subsequent reuse or standard discharge. An air inlet pipe 90 with a valve and an air outlet pipe 91 with a valve are provided on the top of the gas storage tank 9. The air inlet pipe 90 is connected to the output end of the one-way valve 102 through a second air guide hose 103 to enable the entry of gas.

[0041] In this embodiment, brakeable universal wheels 100 are provided at the bottom of the box 1 and near the four corners. The brakeable universal wheels 100 facilitate the movement and position fixation of the device and improve the operational convenience. A push rod 101 is provided on the left side of the box 1 and near the top. The push rod 101 is used to push the device to move.

[0042] Specifically, rubber pads 24 are bonded to the top of the extruded base plate 22 and the top of the inner wall of the U-shaped clamp 20. The rubber pads 24 prevent the positioning assembly 2 from sliding during the clamping process by increasing friction. The left side of the extruded base plate 22 fits with the left side of the inner wall of the U-shaped clamp 20 to enhance the clamping stability.

[0043] Furthermore, fixed side panels 16 are provided on the left and right sides of the inner wall of the box body 1 and near the top. The fixed side panels 16 are used to support the filter screen. First positioning grooves 160 are provided on the opposite sides of the two fixed side panels 16 and at the upper and middle parts. The first particle filter screen 5 is located between the two first positioning grooves 160 to ensure its stable installation.

[0044] Furthermore, the filter hole size of the first particle filter screen plate 5 is larger than the filter hole size of the second particle filter screen plate 6 to achieve step-by-step filtration. Second positioning grooves 161 are provided on the opposite sides of the two fixed side plates 16 and in the middle. The second particle filter screen plate 6 is located between the two second positioning grooves 161 to facilitate the disassembly and assembly of the second particle filter screen plate 6.

[0045] Furthermore, third positioning grooves 162 are provided on the opposite sides of the two fixed side panels 16 and at the middle and lower parts thereof, and the activated carbon filter screen 7 is located between the two third positioning grooves 162 for absorbing impurities and odors in the anesthetic gas.

[0046] Furthermore, a first operating port 13 is provided on the front side of the housing 1 near the top, through which the first particle filter screen 5, the second particle filter screen 6 and the activated carbon filter screen 7 pass. A sealing plate 17 is provided at the first operating port 13, and the sealing plate 17 is used to seal the first operating port 13 to prevent gas leakage.

[0047] Furthermore, mounting holes 171 are provided on the front side of the sealing plate 17 and near the middle of the left and right edges. A clamping bolt 18 is connected to the mounting hole 171. The clamping bolt 18 is threadedly connected to the front side of the box body 1. The clamping bolt 18 is used to fix the sealing plate 17 to the front side of the box body 1. A rubber plate 170 is provided on the rear side of the sealing plate 17. The outer wall of the rubber plate 170 fits tightly with the inner wall of the first operating port 13 to further enhance the sealing effect.

[0048] Furthermore, a second operating port 14 is provided on the front side of the box body 1 for the gas tank 9 to pass through. The second operating port 14 is used to facilitate the taking and placing of the gas tank 9. A single-opening door 19 is hinged on the front side of the box body 1 for closing the second operating port 14. The single-opening door 19 is used to protect the gas tank 9 and prevent external interference.

[0049] Furthermore, a frame-shaped limit block 15 is provided at the bottom of the inner wall of the box body 1, and the bottom of the gas tank 9 is placed in the frame-shaped limit block 15. The frame-shaped limit block 15 is used to fix the bottom position of the gas tank 9 to prevent the gas tank 9 from moving inside the box body 1 and causing damage to the pipeline. Handles 92 are provided on the left and right sides of the gas tank 9 and near the top. The handles 92 facilitate the installation and transportation of the gas tank 9.

[0050] When the multifunctional anesthetic gas purification and recovery device of this embodiment is used, first, the positioning component 2 is fixed to the edge of the operating table, the positioning component 2 is connected to the threaded rod 21 through the bottom thread of the U-shaped clamping plate 20, the threaded rod 21 is rotated to squeeze the bottom plate 22 to apply pressure to increase the clamping force, to ensure the stability of the device during the operation, and the gooseneck tube 23 is adjusted so that the medical staff can accurately position the suction hood 3 at the patient's mouth and nose, so as to achieve effective inhalation of anesthetic gas and flow into the box 1, then the suction pump 8 works to generate negative pressure to force the gas to pass through the filtering system, and the anesthetic gas enters the first partition 11 inside the box 1, and passes through the first particle filter screen plate 5, the second particle filter screen plate 6 and the activated carbon filter in turn. The filter plate 7 performs step-by-step filtration and purification, and the filtered gas enters the air supply pipe 81 through the air extraction pipe 80 provided at the input end of the air extraction pump 8, and finally passes through the one-way valve 102 to ensure that the gas flows only in one direction to prevent backflow from affecting the performance of the equipment. The purified gas enters the gas storage tank 9 placed at the bottom of the box body 1. The top of the gas storage tank 9 is provided with an air inlet pipe 90 and an air outlet pipe 91. The air inlet pipe 90 is connected to the output end of the one-way valve 102 through a second air guide hose 103 to enable the entry of gas. In order to facilitate the movement and position fixing of the device, a brakeable universal wheel 100 is provided at the bottom of the box body 1 near the four corners. In addition, a push rod 101 is provided at the left side of the box body 1 near the top to push the device to move.

[0051] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A multifunctional anesthetic gas purification and recovery device, comprising a housing (1) and a positioning assembly (2), characterized in that: A first fixed conduit (10) is provided through the top of the box body (1); the positioning assembly (2) comprises a U-shaped clamp (20); a threaded rod (21) is threadedly connected to the bottom of the U-shaped clamp (20); the top of the threaded rod (21) is rotatably connected to an extrusion bottom plate (22); a gooseneck tube (23) is provided on the top of the U-shaped clamp (20); an air suction hood (3) is provided at one end of the gooseneck tube (23) away from the U-shaped clamp (20); a second fixed conduit (30) is provided on the outer wall of the air suction hood (3); the second fixed conduit (30) is connected to the first fixed conduit (10) via a first air guide hose (4); a first partition (11) and a second partition (12) are provided in the box body (1); and from top to bottom, a position in the box body (1) above the first partition (11) A first particle filter screen plate (5), a second particle filter screen plate (6) and an activated carbon filter screen plate (7) are provided in sequence; an air pump (8) is provided on the top of the second partition plate (12); an air pump (8) is provided at the input end of the air pump (8); the input end of the air pump (8) passes through the bottom of the first partition plate (11); an air supply pipe (81) is provided at the output end of the air pump (8); the output end of the air supply pipe (81) passes through the top of the second partition plate (12) and is connected to a one-way valve (102); an air storage tank (9) is placed at the bottom of the box body (1); an air inlet pipe (90) with a valve and an air outlet pipe (91) with a valve are provided on the top of the air storage tank (9); the air inlet pipe (90) is connected to the output end of the one-way valve (102) through a second air guide hose (103).

2. The multifunctional anesthetic gas purification and recovery device according to claim 1 is characterized in that: The bottom of the box body (1) and positions close to the four corners are provided with brakeable universal wheels (100), and the left side of the box body (1) and positions close to the top are provided with a push rod (101).

3. The multifunctional anesthetic gas purification and recovery device according to claim 1 is characterized in that: The top of the extruded bottom plate (22) and the top of the inner wall of the U-shaped clamping plate (20) are both bonded with rubber pads (24), and the left side of the extruded bottom plate (22) is in contact with the left side of the inner wall of the U-shaped clamping plate (20).

4. The multifunctional anesthetic gas purification and recovery device according to claim 1 is characterized in that: Fixed side panels (16) are provided on both left and right sides of the inner wall of the box body (1) and near the top, first positioning grooves (160) are provided on opposite sides of the two fixed side panels (16) and at the middle and upper parts, and the first particle filter screen plate (5) is located between the two first positioning grooves (160).

5. The multifunctional anesthetic gas purification and recovery device according to claim 4 is characterized in that: The filter hole size of the first particle filter screen plate (5) is larger than the filter hole size of the second particle filter screen plate (6), and second positioning grooves (161) are provided on opposite sides of the two fixed side plates (16) and at the middle positions, and the second particle filter screen plate (6) is located between the two second positioning grooves (161).

6. The multifunctional anesthetic gas purification and recovery device according to claim 4 is characterized in that: A third positioning groove (162) is provided on opposite sides of the two fixed side plates (16) and at a position located in the middle and lower parts, and the activated carbon filter screen plate (7) is located between the two third positioning grooves (162).

7. The multifunctional anesthetic gas purification and recovery device according to claim 1 is characterized in that: A first operating opening (13) is provided on the front side of the box body (1) and near the top, through which the first particle filter screen plate (5), the second particle filter screen plate (6) and the activated carbon filter screen plate (7) pass, and a sealing plate (17) is provided at the first operating opening (13).

8. The multifunctional anesthetic gas purification and recovery device according to claim 7 is characterized in that: A mounting hole (171) is provided on the front side of the sealing plate (17) and near the middle of the left and right edges. A clamping bolt (18) is connected to the mounting hole (171). The clamping bolt (18) is threadedly connected to the front side of the box body (1). A rubber support plate (170) is provided on the rear side of the sealing plate (17). The outer wall of the rubber support plate (170) is tightly fitted with the inner wall of the first operating port (13).

9. The multifunctional anesthetic gas purification and recovery device according to claim 1 is characterized in that: The front side of the box body (1) is provided with a second operating opening (14) for the gas storage tank (9) to pass through, and the front side of the box body (1) is hinged with a single-opening box door (19) for closing the second operating opening (14).

10. The multifunctional anesthetic gas purification and recovery device according to claim 1 is characterized in that: A frame-shaped limit block (15) is provided at the bottom of the inner wall of the box body (1), the bottom of the gas storage tank (9) is placed in the frame-shaped limit block (15), and handles (92) are provided on both sides of the gas storage tank (9) and near the top.

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