CN111053963B - Anesthesia Machine - Google Patents

Abstract

The invention discloses an anesthesia machine, which comprises an anesthesia machine main body, a carbon dioxide absorbing tank and an illumination device, wherein the carbon dioxide absorbing tank is arranged on the anesthesia machine main body, a carbon dioxide absorbent is contained in the carbon dioxide absorbing tank and used for absorbing carbon dioxide, and the illumination device is used for illuminating the carbon dioxide absorbing tank. The anesthesia machine provided by the invention is used in a darker environment, and the lighting device is started to illuminate the carbon dioxide absorbing tank, so that doctors can conveniently judge the color change of the carbon dioxide absorbent under various conditions, and further, the carbon dioxide absorbent can be replaced in time.

Description

Anesthesia machine

Technical Field

The invention relates to the technical field of medical equipment, in particular to an anesthesia machine.

Background

Anesthesia machines are one of the most commonly used devices in operating rooms. In order to absorb carbon dioxide in respiratory gas of a patient, a carbon dioxide absorbing tank is often arranged on the anesthesia machine, a carbon dioxide absorbent (usually sodium lime particles or calcium lime particles) in the carbon dioxide absorbing tank can be gradually changed in color along with the absorption of the carbon dioxide, and a doctor judges whether the carbon dioxide absorbent needs to be replaced according to the color change condition. The carbon dioxide absorbing tank is usually positioned below the workbench and the loop of the anesthesia machine, and in a brighter environment, a doctor can clearly see the color change of the carbon dioxide absorbing tank, but in a darker environment, the carbon dioxide absorbing tank cannot be irradiated by enough light, and the doctor cannot easily judge the color change condition of the carbon dioxide absorbent, so that the carbon dioxide absorbent is possibly replaced untimely, and the breathing gas of a patient is abnormal.

Disclosure of Invention

Therefore, the embodiment of the invention provides an anesthesia machine, which is convenient for doctors to judge the color change of the carbon dioxide absorbent under various conditions, thereby facilitating the timely replacement of the carbon dioxide absorbent.

The embodiment of the invention provides an anesthesia machine, which comprises an anesthesia machine main body, a carbon dioxide absorption tank and a lighting device;

The carbon dioxide absorbing tank is arranged on the anesthesia machine main body;

The carbon dioxide absorbing tank is internally provided with a carbon dioxide absorbent for absorbing carbon dioxide;

The lighting device is used for lighting the carbon dioxide absorption tank.

The anesthesia machine provided by the invention is used in a darker environment, and the lighting device is started to illuminate the carbon dioxide absorbing tank, so that doctors can conveniently judge the color change of the carbon dioxide absorbent under various conditions, and further, the carbon dioxide absorbent can be replaced in time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an anesthesia machine;

FIG. 2 is a schematic view of a part of the anesthesia machine when the lighting device is elliptical;

FIG. 3 is a schematic view of a part of the anesthesia machine when the illumination device is circular;

Fig. 4 is a schematic view of a part of the anesthesia machine when the number of illumination devices is 2 and the illumination devices are all round.

In the figure:

The anesthesia machine main body 1, the carbon dioxide absorbing tank 2, the lighting device 3, the tank body 4, the tank cover 5, the anesthesia machine cart part 6, the anesthesia machine base 7, the wheels 8, the display module 9, the control panel 10, the breathing circuit 11, the tank base switch handle 12, the plug-in box 13 and the tank handle 14.

Detailed Description

The technical solutions of the embodiments of the present application will be clearly and completely described below with reference to fig. 1 to 4 of the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

As shown in fig. 1 to 4, the anesthesia machine provided by the embodiment of the invention comprises an anesthesia machine main body 1, a carbon dioxide absorbing tank 2 and a lighting device 3.

The carbon dioxide absorbing tank 2 is made of transparent materials and is arranged on the anesthesia machine main body 1, and specifically, the carbon dioxide absorbing tank 2 is detachably arranged on the anesthesia machine main body 1, so that the carbon dioxide absorbing tank 2 can be conveniently replaced and disassembled. In order to facilitate the taking of the carbon dioxide absorbing tank 2, a tank handle 14 is also provided on the side wall of the carbon dioxide absorbing tank 2. In order to avoid slipping when holding the can handle 14, an anti-slip layer is provided on the can handle 14, and the anti-slip layer may be etched on the can handle 14, or may be injection molded integrally with the can handle 14, or may be an anti-slip patch attached to the can handle 14, or the like.

The carbon dioxide absorbing tank 2 contains a carbon dioxide absorbent for absorbing carbon dioxide.

The lighting device 3 is used for lighting the carbon dioxide absorbing tank 2. The lighting device 3 may be mounted at any position, for example, on the anesthesia machine main body 1, on the carbon dioxide absorbing tank 2, or a bracket may be provided beside the lighting device 3, the lighting device 3 may be mounted on the bracket, or the like.

Further, the invention discloses that the lighting device 3 comprises a light source, which is capable of providing illumination.

In order to facilitate uniform light dispersion of the light source, the invention discloses a lighting device 3 which also comprises a light scattering body, wherein the light scattering body covers the light source.

In particular, the invention discloses that at least part of the light-scattering body has an elliptical, circular, rectangular or square cross section, and it is noted that the light-scattering body can have other shapes.

Further, the invention discloses an anesthesia machine further comprising a control device, wherein the control device controls the lighting device 3. Specifically, the control device may control only the on/off of the lighting device 3, or may control not only the on/off of the lighting device 3 but also the luminance of the lighting by the lighting device 3.

Specifically, the control device may be any device capable of realizing control of the lighting device 3. For example, the control device is a control circuit, a controller, or the like. The control device may be a Controller (CPU) on the anesthesia machine, or may be a control chip or a controller, etc. which are separately provided.

Furthermore, the invention discloses an anesthesia machine further comprising a control information input device which is in signal connection with the control device, and specifically, the control information input device and the control device can be electrically connected or in communication connection.

Further, the present invention discloses that the control information input means includes one or more of a light sensor, a humidity sensor, a sound sensor, a carbon dioxide gas detection sensor, a switch, an information input device, or the like. Specifically, the control information input device may include only one of an optical sensor, a humidity sensor, a sound sensor, a carbon dioxide gas detection sensor, an information input device, a switch, and the like, or may include two or more thereof. The information input device may be a keyboard, a touch screen, or the like that can input information.

When the control information input device comprises only a light sensor, the control device is in signal connection with the light sensor. The light sensor is arranged on the anesthesia machine main body 1, specifically, the light sensor is arranged near the carbon dioxide absorbing tank 2 and is arranged on the side of the carbon dioxide absorbing tank 2 facing the operator when the anesthesia machine is operated, so that the accuracy of timely illumination of the illumination device 3 is improved. The photosensor may be placed on the carbon dioxide absorbing tank 2 or may be placed at another position of the anesthesia machine main body 1.

When the brightness of the light detected by the light sensor is lower than the preset brightness value, the light sensor transmits a signal to the control device, and the control device controls the light source of the lighting device 3 to be on. The preset brightness refers to brightness that the currently detected brightness value is insufficient for the operator to recognize whether the carbon dioxide absorbent in the carbon dioxide absorbing tank 2 is discolored or not. The control device controls the luminance of the lighting device 3 based on the ambient luminance detected by the light sensor.

When the control information input device only comprises a humidity sensor, the control device is in signal connection with the humidity sensor. The humidity sensor is placed inside the carbon dioxide absorbing tank 2, and specifically may be mounted on the inner tank wall of the carbon dioxide absorbing tank 2 or may be mounted on the tank cover 5 of the carbon dioxide absorbing tank 2. When the humidity value detected by the humidity sensor is larger than the preset humidity value, the humidity sensor transmits a signal to the control device, and the control device controls the light source of the lighting device 3 to be on. It should be noted that, when the preset humidity value exceeds the preset humidity value, it is indicated that the carbon dioxide absorbent cannot absorb the water generated by absorbing the carbon dioxide, and the water is released into the carbon dioxide absorbing tank 2, so that the humidity is high, at this time, it is indicated that the carbon dioxide absorbent in the carbon dioxide absorbing tank 2 needs to be replaced, and the control device controls the lighting device 3 to illuminate the carbon dioxide absorbing tank 2, so that on the one hand, a warning effect is provided, and on the other hand, in an environment with insufficient light intensity, an operator can see the color change condition of the carbon dioxide absorbent in the carbon dioxide absorbing tank 2, and confirm whether the replacement is needed.

When the control information input device includes only the carbon dioxide gas detection sensor, the control device is in signal connection with the carbon dioxide gas detection sensor. The carbon dioxide gas detection sensor is disposed in the carbon dioxide absorbing tank 2, and specifically, may be mounted on the inner tank wall of the carbon dioxide absorbing tank 2 or may be mounted on the tank cover 5 of the carbon dioxide absorbing tank 2. When the carbon dioxide gas detection sensor detects that the carbon dioxide concentration value in the carbon dioxide absorption tank 2 exceeds the preset carbon dioxide concentration value, the control device controls the illumination device 3 to illuminate the carbon dioxide absorption tank 2. The preset carbon dioxide concentration value can be set according to the need, when the preset carbon dioxide concentration value exceeds the preset carbon dioxide concentration value, the defect that the carbon dioxide absorbing capacity of the carbon dioxide absorbing agent is insufficient, the carbon dioxide absorbing agent in the carbon dioxide absorbing tank 2 needs to be replaced, and the control device controls the lighting device 3 to light the carbon dioxide absorbing tank 2, so that on the one hand, a warning effect is provided, and on the other hand, in the environment with insufficient light intensity, an operator can see the color change condition of the carbon dioxide absorbing agent in the carbon dioxide absorbing tank 2, and whether replacement is needed or not is confirmed.

When the control information input device includes only a switch, the switch may be mounted on the anesthesia machine main body 1 or may be mounted on the carbon dioxide absorbing tank 2.

Further, the invention discloses a knob type switch, a sound control switch, a touch switch, a deflector rod, a physical button or a virtual button and the like.

When the switch is a knob type switch, the adjustment of different illumination brightness and opening and closing can be realized by rotating the knob type switch.

Specifically, when the knob switch is a virtual button, the virtual button may be integrated on the display of the anesthesia machine main body 1.

Further, the invention discloses that the number of the lighting devices 3 is at least 1, and the lighting devices are specifically set according to actual situations.

When the lighting device 3 is mounted on the anesthesia machine main body 1, the invention discloses that the lighting device 3 is sunk in or protruded out of the anesthesia machine main body 1. Namely, the lighting device 3 can be embedded in the anesthesia machine main body 1, so that the appearance of the anesthesia machine is attractive, and the lighting device 3 can also be outwards protruded from the anesthesia machine main body 1, so that the light rays of the lighting device 3 can conveniently irradiate the carbon dioxide absorbing tank 2.

Further, the invention discloses that the lighting device 3 is embedded on the anesthetic machine main body 1, so that the connection strength of the lighting device 3 and the anesthetic agent main body is increased. The center of the lighting device 3 is flush with the middle position of the carbon dioxide absorbing tank 2, and the lighting device 3 can illuminate at least the side of the carbon dioxide absorbing tank 2 facing the operator, so that the light is uniformly distributed on the carbon dioxide absorbing tank 2.

The lighting device 3 may be slidably mounted on the anesthesia machine main body 1. Specifically, the invention discloses a main body slideway arranged on an anesthesia machine main body 1, a sliding part arranged on a lighting device 3, wherein the sliding part can slide along the main body slideway and can be fixed at any position of the main body slideway to realize the adjustment of the position of the lighting device 3 so as to realize the illumination of a carbon dioxide absorption tank 2.

Further, the present invention discloses that at least different positions in the carbon dioxide absorbing tank 2 are illuminated by the illumination means when the sliding portion slides along the main body slideway.

Specifically, the main body slideway can be a groove formed on the anesthesia machine main body 1, or can be a slideway erected on the anesthesia machine main body 1, and the slideway is integrally connected with the anesthesia machine main body 1 or is connected through a bracket. The track line of the main body slideway can be spiral, curved, arc-shaped, V-shaped, J-shaped or straight line and the like.

Further, the present invention discloses that the main body slideway and the sliding part are connected by suction, specifically, the main body slideway may be connected with the sliding part by electromagnetic suction, or by negative pressure suction, or the like.

When the main body slideway is connected with the sliding part through electromagnetic attraction, the invention particularly discloses a slideway made of iron, and the sliding part is a magnet fixed on the lighting device 3. The main body slideway may be made of a magnet material, and the sliding part may be made of iron. The main body slide way and the sliding part may be made of other materials capable of attracting each other, for example, one of the main body slide way and the sliding part is provided with an energizing coil, the other is provided with a magnetic body, and the energizing coil is used for supplying currents in different directions to attract or repel the magnetic body, so that the sliding part slides along the main body slide way, and the like.

The invention further discloses a main body slideway which is a T-shaped groove formed in the anesthesia machine main body 1, the sliding part comprises a T-shaped nut and a bolt, the T-shaped nut can be slidably arranged in the T-shaped groove, the lighting device 3 is arranged on the T-shaped nut through the bolt, the lighting device 3 is driven by the T-shaped nut to slide along the T-shaped groove through unscrewing the bolt, and the bolt is screwed when the sliding part moves to a fixed position.

In order to quickly adjust the height of the illuminating device 3 irradiated to the carbon dioxide absorbing tank 2, the invention discloses that the main body slideway comprises a main body longitudinal slideway, and the main body longitudinal slideway is arranged parallel to the height direction of the carbon dioxide absorbing tank 2.

Further, the invention discloses a main body slideway, which also comprises a main body transverse slideway, wherein the main body transverse slideway is perpendicular to the main body longitudinal slideway and is communicated with the main body longitudinal slideway. The main body transverse slideway is arranged to adjust the distance between the lighting device 3 and the carbon dioxide absorption tank 2, so that the angle and the range of the carbon dioxide absorption tank 2 covered by the light rays emitted by the lighting device 3 can be adjusted. The number of the main body transverse slide ways and the number of the main body longitudinal slide ways are at least 1.

Further, the invention discloses a carbon dioxide absorbing tank 2 which comprises a tank body 4 and a tank cover 5, wherein the tank body 4 is arranged in a sealing cover of the tank cover 5, and an absorbent is contained in the tank body 4. The tank body 4 is made of transparent material.

Further, the invention discloses a lighting device 3 which is inlaid on the surface of the tank cover 5 facing the tank body 4 so as to realize the purpose of lighting the carbon dioxide absorbent in the tank body 4. The lighting device 3 may be embedded on the outer wall of the tank 4 or the inner wall of the tank 4.

In order to facilitate adjustment of the position of the lighting device 3 on the carbon dioxide absorbing tank 2, the lighting device 3 may be slidably mounted on the outer wall of the tank body 4. Specifically, a tank slideway is formed in the outer wall of the tank 4, a sliding part is fixed on the lighting device 3, the sliding part can slide along the tank slideway and can be fixed at any position of the tank slideway, so that the position of the lighting device 3 is adjusted, and the carbon dioxide absorption tank 2 is illuminated.

Further, the invention discloses that at least different positions in the carbon dioxide absorbing tank 2 are illuminated by the illumination device when the sliding part slides along the tank slideway.

Specifically, the tank body slideway can be a groove formed on the carbon dioxide absorbing tank 2, or can be a slideway erected on the carbon dioxide absorbing tank 2, and the slideway is integrally connected with the carbon dioxide absorbing tank 2 or is connected through a bracket. The track line of the tank body slideway can be spiral, or can be bent, arc-shaped, V-shaped, J-shaped or straight line and the like.

Further, the invention discloses that the tank slideway and the sliding part are connected through suction, in particular, the tank slideway can be connected with the sliding part through electromagnetic suction or through negative pressure suction, etc.

When the tank slide way is connected with the sliding part through electromagnetic attraction, the invention particularly discloses a tank slide way made of iron, and the sliding part is a magnet fixed on the lighting device 3. The tank slide way can be made of a magnet material, and the sliding part can be made of iron. The tank slide way and the sliding part may be made of other materials that can attract each other, for example, one of the tank slide way and the sliding part is provided with an energizing coil, the other is provided with a magnetic body, and the energizing coil is used for supplying currents in different directions to attract or repel the magnetic body, so as to realize sliding of the sliding part along the tank slide way, and the like.

The invention further discloses a tank body slideway which is a T-shaped groove formed in the tank body 4, the sliding part comprises a T-shaped nut and a bolt, the T-shaped nut can be slidably arranged in the T-shaped groove, the lighting device 3 is arranged on the T-shaped nut through the bolt, the lighting device 3 is driven to slide along the T-shaped groove by the T-shaped nut through unscrewing the bolt, and the bolt is screwed when the tank body slideway moves to a fixed position.

In order to quickly adjust the height of the illuminating device 3 irradiated to the carbon dioxide absorbing tank 2, the invention discloses a tank body slideway which comprises a tank body longitudinal slideway, wherein the tank body longitudinal slideway is arranged parallel to the height direction of the carbon dioxide absorbing tank 2.

Further, the invention discloses a tank body slideway, which also comprises a tank body transverse slideway, wherein the tank body transverse slideway is perpendicular to the tank body longitudinal slideway and is communicated with the tank body longitudinal slideway. The tank transverse slideway can adjust the lighting device 3 to different positions on the side surface of the carbon dioxide absorbing tank 2. The number of the transverse slide ways and the longitudinal slide ways of the tank body 4 is at least 1.

The invention discloses an anaesthesia machine which also comprises a foldable bent pipe, wherein one end of the foldable bent pipe is fixed on an anaesthesia agent main body or a carbon dioxide absorption tank 2, and the other end of the foldable bent pipe is connected with a lighting device 3. The adjustment of different angles and different positions of the lighting device 3 is realized through the bending of the foldable bent pipe.

Further, the invention discloses an anesthesia machine main body 1 which comprises an anesthesia machine cart part 6, an anesthesia machine base 7, wheels 8, a display module 9, a control panel 10 and a breathing circuit 11.

The anesthesia machine trolley part 6 is arranged on an anesthesia machine base 7, and wheels 8 are arranged at the bottom of the anesthesia machine base 7, so that the wheels 8 are universal wheels for realizing steering of the wheels 8 in different directions.

The workbench is arranged at the top end of the anesthesia machine trolley part 6, the carbon dioxide absorbing tank 2 is arranged on the side wall of the anesthesia machine trolley part 6, and after the carbon dioxide absorbing tank 2 is arranged on the anesthesia machine trolley part 6, the carbon dioxide absorbing tank 2 is locked by a tank base switch handle 12 of the carbon dioxide absorbing tank 2.

The display module 9 and the control panel 10 are both arranged on the workbench, and the display module 9 can display various data of the anesthesia machine. The control panel 10 is an electronic control panel or an airflow control panel.

A breathing circuit 11 is mounted on the table for delivering exhaled gases from the patient into the carbon dioxide canister 2.

Further, the invention discloses an anesthesia machine main body 1 further comprising an insert box 13, wherein the insert box 13 is arranged on the side wall of the anesthesia machine cart part 6, so that the insertion of an external functional module can be realized, and the detection function of the whole anesthesia machine is expanded.

In the present invention, "first", "second", etc. are different from each other in description, and have no other special meaning.

For the foregoing method embodiments, for simplicity of explanation, the methodologies are shown as a series of acts, but one of ordinary skill in the art will appreciate that the present invention is not limited by the order of acts, as some steps may, in accordance with the present invention, occur in other orders or concurrently. Further, those skilled in the art will also appreciate that the embodiments described in the specification are all preferred embodiments, and that the acts and modules referred to are not necessarily required for the present invention.

It should be further noted that, in the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described as different from other embodiments, and identical and similar parts between the embodiments are referred to each other. For the apparatus class embodiments, the description is relatively simple as it is substantially similar to the method embodiments, and reference is made to the description of the method embodiments for relevant points.

Finally, it is further noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.

Claims (23)

1. An anesthesia machine, characterized in that it includes an anesthesia machine body, a carbon dioxide absorption tank, a lighting device and a control device; The carbon dioxide absorption tank is installed on the anesthesia machine body; The carbon dioxide absorption tank contains a carbon dioxide absorbent for absorbing carbon dioxide; The lighting device is used to illuminate the carbon dioxide absorption tank so that the operator can see the color change of the carbon dioxide absorbent in the carbon dioxide absorption tank; the lighting device can at least illuminate the side of the carbon dioxide absorption tank facing the operator; The control device controls the lighting device. 2. The anesthesia machine according to claim 1, wherein the lighting device comprises a light source. 3. The anesthesia machine according to claim 2, characterized in that the lighting device further comprises a diffuser; The light diffuser covers the light source. 4. The anesthesia machine according to claim 3, characterized in that the cross-section of at least part of the diffuser is elliptical, circular, rectangular or square. 5. The anesthesia machine according to claim 1, characterized in that the anesthesia machine further comprises a control information input device; The control information input device is signal-connected to the control device. 6. The anesthesia machine as claimed in claim 5, characterized in that the control information input device includes one or more of a light sensor, a humidity sensor, a sound sensor, a carbon dioxide gas detection sensor, an information input device, or a switch. 7. The anesthesia machine according to claim 1, characterized in that the number of the lighting device is at least one. 8. The anesthesia machine according to any one of claims 1 to 7, characterized in that the lighting device is installed on the anesthesia machine body. 9 . The anesthesia machine according to claim 8 , wherein the lighting device is recessed or protrudes outside the anesthesia machine body. 10 . The anesthesia machine according to claim 8 , wherein the lighting device can be slidably mounted on the anesthesia machine body. 11. The anesthesia machine according to claim 10, characterized in that a main body slide is provided on the anesthesia machine main body, and a sliding portion is provided on the lighting device, and the sliding portion can slide along the main body slide and can be fixed at any position of the main body slide. 12 . The anesthesia machine according to claim 11 , wherein when the sliding portion slides along the main body slideway, at least different positions in the carbon dioxide absorption tank are illuminated by the lighting device. 13 . The anesthesia machine according to claim 11 or 12 , wherein the main body slideway and the sliding portion are connected by suction. 14. The anesthesia machine according to claim 11 or 12, characterized in that the main body slideway is a T-shaped groove provided on the main body of the anesthesia machine; The sliding part includes a T-shaped nut and a bolt, and the T-shaped nut can be slidably placed in the T-shaped slot. 15. The anesthesia machine according to any one of claims 1 to 7, characterized in that the carbon dioxide absorption tank comprises a tank body and a tank cover; The can lid seal covers the can body, and the carbon dioxide absorbent is contained in the can body. 16 . The anesthesia machine according to claim 15 , wherein the lighting device is embedded on the surface of the tank cover facing the tank body. 17 . The anesthesia machine according to claim 15 , wherein the lighting device is embedded on the outer wall of the tank body or the inner wall of the tank body. 18. The anesthesia machine according to claim 15, characterized in that the lighting device can be slidably mounted on the outer wall of the tank body. 19. The anesthesia machine according to claim 18, characterized in that a tank slide is provided on the outer wall of the tank body, a sliding portion is fixed on the lighting device, the sliding portion can slide along the tank slide and can be fixed at any position of the tank slide. 20 . The anesthesia machine according to claim 19 , wherein when the sliding portion slides along the tank body slideway, at least different positions in the carbon dioxide absorption tank are illuminated by the lighting device. 21. The anesthesia machine according to claim 19 or 20, characterized in that the tank slideway and the sliding part are connected by suction. 22. The anesthesia machine according to claim 19 or 20, characterized in that the tank slideway is a T-shaped groove provided on the tank body; The sliding part includes a T-shaped nut and a bolt, and the T-shaped nut can be slidably placed in the T-shaped slot. 23. The anesthesia machine according to claim 1, further comprising a bendable tube; One end of the bendable tube is fixed to the anesthesia machine body or the carbon dioxide absorption tank; The other end of the bendable tube is connected to the lighting device.