Sputum collecting device for pneumology department

Abstract

According to the sputum collecting device for the pneumology department, sputum can be effectively collected, direct exposure of the sputum is avoided, the sputum can be sterilized and disinfected, and the risks of cross infection between patients and infection of medical staff are effectively reduced. The sputum collecting device comprises a base, a control box and a collecting assembly are arranged on the base, the collecting assembly comprises a collecting barrel and a cover body, a negative pressure device, a disinfection device and a first collecting pipe are arranged on the cover body, a second collecting pipe is connected to the upper end of the first collecting pipe, an expectoration device is arranged at the upper end of the second collecting pipe, and a flushing device is arranged on the base. The expectoration of a patient is facilitated through the arranged expectoration apparatus, the flushing device flushes and disinfects the expectoration apparatus, and the negative pressure device facilitates the mixture of disinfectant and sputum in the expectoration apparatus to enter the sealed environment of the collecting cylinder along the second collecting pipe and the first collecting pipe to be collected.

Description

Technical Field

[0001] The utility model relates to the technical field of nursing equipment, in particular to a sputum collecting device for respiratory medicine. Background Art

[0002] Sputum is composed of a variety of substances. When sputum is relatively viscous, it will be adsorbed in the patient's respiratory cavity, blocking the patient's respiratory cavity, making the patient feel uncomfortable in the respiratory tract and needing to cough it out with force. Sputum itself not only affects the patient's breathing, but also often contains a large number of pathogens. Long-term retention in the human body will aggravate the patient's health and needs to be coughed out in time. At present, some patients in respiratory wards can cough up sputum on their own, but many patients cough up sputum directly into a spittoon or trash can, which will expose a large number of pathogens directly to the air, causing certain health risks for medical staff, cleaning staff, etc. In addition, patients in the same ward may cause cross-infection and other unfavorable situations, which is not conducive to the patient's recovery. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a sputum collection device for respiratory department, which can effectively collect sputum to avoid direct leakage of sputum, sterilize and disinfect sputum, effectively reducing the risk of cross infection between patients and infection to medical staff.

[0004] The technical solution adopted by the utility model to solve the above technical problems is: the sputum collection device for respiratory medicine comprises a base, four corners of the base are provided with support legs, the lower end of each support leg is provided with a roller, and a control box and a collection component are provided on the base;

[0005] The collecting assembly comprises a collecting cylinder, a cover body is provided at the upper end of the collecting cylinder and the two are sealed and connected, a negative pressure device is provided on the cover body, and a disinfection device is provided on the cover body and is located in the collecting cylinder;

[0006] The cover body is provided with a first collecting tube, the lower end of which extends into the middle and upper part of the collecting tube and the two are connected to each other;

[0007] The upper end of the first collecting tube is detachably connected to a second collecting tube, the upper end of the second collecting tube is provided with a funnel-shaped expectorant, and the expectorant is provided with a sealing cover adapted thereto;

[0008] The base is provided with a flushing device, and the flushing device is used to flush and disinfect the expectorant;

[0009] The base is provided with a vertical rod, the upper end of which is provided with a C-shaped elastic buckle and a control button, and the upper end of the second collecting tube is provided on the upper end of the vertical rod through the C-shaped elastic buckle;

[0010] A power supply and a controller are arranged in the control box; the first disinfection device, the negative pressure device, the flushing device and the controller are electrically connected to the power supply respectively; and the first disinfection device, the negative pressure device, the flushing device and the control button are signal-connected to the controller respectively.

[0011] Furthermore, a trumpet-shaped liquid collecting shell is provided at the bottom of the inner cavity of the collecting cylinder, and the central axes of the two coincide with each other, and the upper end of the liquid collecting shell is a large diameter end, and the diameter of the large diameter end is the same as the inner diameter of the collecting cylinder;

[0012] The base is provided with a drain pipe, which includes a vertical pipe and an inclined pipe. The inner diameter of the vertical pipe is the same as the inner diameter of the small-diameter end of the liquid collecting shell. The upper end of the vertical pipe passes through the base and the bottom of the collecting cylinder in sequence and then is connected to the small-diameter end of the liquid collecting shell, and the two are connected to each other.

[0013] The upper end of the inclined tube is connected obliquely upward to the lower end of the vertical tube and the two are connected to each other. The lower end of the inclined tube extends obliquely downward to the outside of the base. A valve is arranged on the inclined tube.

[0014] Furthermore, the flushing device includes a liquid storage cylinder and a liquid pump arranged on the base;

[0015] The liquid inlet of the liquid pump is connected to the inner cavity of the liquid storage cylinder through the first liquid pipe, and a wide-angle nozzle is arranged on the inner side of the sealing cover, and the wide-angle nozzle is connected to the liquid outlet of the liquid pump through the second liquid pipe;

[0016] The liquid pump is electrically connected to a power source, and the liquid pump is signal-connected to a controller.

[0017] Furthermore, the negative pressure device adopts a negative pressure pump, the air suction port of the negative pressure pump is connected to the inner cavity of the collecting tube, and the air exhaust port of the negative pressure pump is connected to the outside.

[0018] Furthermore, the disinfection device comprises an ultraviolet disinfection lamp, which is arranged in the middle of the lower surface of the cover body, and the lower end of the ultraviolet disinfection lamp is located above the lower end of the first collecting tube.

[0019] Furthermore, a first liquid level sensor is arranged in the liquid storage cylinder, a second liquid level sensor is arranged in the collecting cylinder, and a display screen is embedded in the cover of the control box;

[0020] The first liquid level sensor, the second liquid level sensor, and the display screen are electrically connected to a power supply, respectively. The first liquid level sensor, the second liquid level sensor, and the display screen are signal-connected to a controller, respectively.

[0021] Furthermore, a sound prompter is arranged in the control box, and a plurality of sound-permeable holes are arranged on the front side wall of the control box and correspond to the sound prompter;

[0022] The sound prompter is electrically connected to a power source, and the sound prompter is signal-connected to a controller.

[0023] Furthermore, the vertical rod comprises a fixed rod and a movable rod, and the diameter of the fixed rod is larger than the diameter of the movable rod;

[0024] The lower end of the fixed rod is arranged on the base, the upper end surface of the fixed rod is provided with a sliding hole, the diameter of the sliding hole is the same as the diameter of the movable rod, the lower end of the movable rod extends into the sliding hole and the two can slide relative to each other, and the upper end of the outer wall of the fixed rod is provided with a tightening bolt;

[0025] The C-shaped elastic buckle and the control button are respectively arranged at different positions on the upper end of the movable rod.

[0026] The beneficial effects of the utility model are as follows:

[0027] 1. The expectorant is provided to facilitate the patient to expectorate. After expectoration, the sealing cover is put on. The control button sends a command to the controller, and the controller controls the start of the flushing device to flush and disinfect the expectorant. At the same time, the negative pressure device and the disinfection device are controlled to start, so that the pressure in the collection tube is reduced, which is convenient for the mixture of disinfectant and sputum in the expectorant to enter the sealed environment of the collection tube along the second collection tube and the first collection tube for collection.

[0028] 2. The disinfection device can disinfect and sterilize the air and liquid in the collection tube to prevent bacteria from being drawn out with the air; the flushing device can disinfect and sterilize the expectorant and collection tube on the one hand, and on the other hand, the disinfectant can mix the sputum to facilitate flow and collection, reduce adhesion, and effectively avoid direct leakage of sputum, while reducing the risk of cross-infection between patients and infection of medical staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a structural schematic diagram of the sputum collection device for respiratory department described in the utility model;

[0030] Figure 2 It is a front view of the combined structure of the collecting cylinder, the cover body and the liquid discharge pipe of the utility model;

[0031] Figure 3 It is a perspective view of the combined structure of the collecting tube and the liquid discharge pipe of the utility model;

[0032] Figure 4 It is a structural schematic diagram of the cover body described in the utility model;

[0033] Figure 5 It is a schematic diagram of the combined structure of the vertical rod, C-shaped elastic buckle and control button of the utility model;

[0034] Markings in the figure: base 1, supporting legs 2, rollers 3, control box 4, collecting cylinder 5, cover body 6, negative pressure device 7, first collecting tube 8, second collecting tube 9, expectorant 10, sealing cover 11, C-shaped elastic buckle 12, control button 13, liquid collecting shell 14, drain pipe 15, vertical pipe 1501, tilting tube 1502, valve 16, liquid storage cylinder 17, liquid pump 18, second liquid pipe 19, ultraviolet disinfection lamp 20, display screen 21, sound-permeable hole 22, vertical rod 23, fixed rod 2301, movable rod 2302, tightening bolt 24. DETAILED DESCRIPTION

[0035] The specific implementation of the utility model is further described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0036] It should be noted that the directions or positional relationships indicated by all directional indication terms such as "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" in the embodiments of the present application are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention. They are only used to explain the relative positional relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0037] In this application, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0038] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present application, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme that satisfies both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in the field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by this application.

[0039] like Figure 1-5 As shown, the sputum collection device for respiratory medicine comprises a base 1, wherein the four corners of the base 1 are provided with support legs 2, and the lower end of each support leg 2 is provided with a roller 3, and the roller 3 generally adopts a roller with a self-locking function, which is unlocked when moving and locked when not moving to avoid tampering, and the base 1 is provided with a control box 4 and a collection component;

[0040] The collecting assembly comprises a collecting cylinder 5, the upper end of the collecting cylinder 5 is provided with a cover 6 and the two are sealed and connected, the cover 6 is provided with a negative pressure device 7, the cover 6 is provided with a disinfection device and is located in the collecting cylinder 5;

[0041] The cover body 6 is provided with a first collecting tube 8, the lower end of which extends into the middle and upper part of the collecting tube 5 and the two are connected to each other. The first collecting tube 8 is generally made of a hard material and can be reused after disinfection.

[0042] The upper end of the first collecting tube 8 is detachably connected with a second collecting tube 9. The second collecting tube 9 is generally made of a soft material, which is convenient for taking and moving. The second collecting tube 9 is generally discarded after one person uses it. A funnel-shaped expectorant 10 is provided at the upper end of the second collecting tube 9. The second collecting tube 9 and the expectorant 10 are generally integrally formed. The expectorant 10 is provided with a sealing cover 11 adapted thereto. Since the first collecting tube 8 and the second collecting tube 9 are detachably connected, generally in a sleeve connection manner, the second collecting tube 9 and the expectorant 10 can be conveniently replaced;

[0043] The base 1 is provided with a flushing device, and the flushing device is used to flush and disinfect the expectorant 10;

[0044] The base 1 is provided with a vertical rod 23, and the upper end of the vertical rod 23 is provided with a C-shaped elastic buckle 12 and a control button 13. The upper end of the second collection tube 9 is arranged on the upper end of the vertical rod 23 through the C-shaped elastic buckle 12. The second collection tube 9 and the expectorant 10 can be fixed and taken out by the C-shaped elastic buckle 12.

[0045] The control box 4 is provided with a power supply and a controller. The disinfection device, the negative pressure device 7, the flushing device and the controller are electrically connected to the power supply respectively. The first disinfection device, the negative pressure device 7, the flushing device and the control button 13 are respectively connected to the controller signal. After the patient finishes expectorating, the sealing cover 11 is covered, and the second collection tube 9 and the expectorant 10 are fixed to the upper end of the vertical rod 23 through the C-shaped elastic buckle 12. By pressing the control button 13, a command is sent to the controller, and the controller controls the start-up of the disinfection device, the negative pressure device 7 and the flushing device to work. The controller controls the start-up of the flushing device to flush and disinfect the expectorant 10, and at the same time controls the start-up of the negative pressure device 7 and the disinfection device, so that the pressure in the collection tube 5 is reduced, which is convenient for the disinfectant and sputum in the expectorant 10. The mixture enters the sealed environment of the collecting tube 5 along the second collecting tube 9 and the first collecting tube 8 for collection. It should be noted that the pressure in the collecting tube 5 is reduced. When the negative pressure device 7 stops working, the second collecting tube 9 may be deformed by the suction force. When the sealing cover 11 is opened for use again, the second collecting tube 9 can be restored to its original state with the entry of air without affecting normal use. An air intake pipe can also be provided on the cover body 6. The air intake pipe passes through the cover body 6 and extends to the upper end of the inner cavity of the collecting tube 5, and the two are interconnected. A solenoid valve is provided on the air intake pipe, which is electrically connected to the power supply, and is connected to the controller signal. The solenoid valve is started by the controller to open, and the outside air enters the collecting tube 5, which can restore it to its normal state.

[0046] like Figure 1-3 As shown, in this embodiment, in order to facilitate the regular treatment of the mixed liquid collected in the collecting cylinder 5, a trumpet-shaped liquid collecting shell 14 is provided at the bottom of the inner cavity of the collecting cylinder 5, and the central axes of the two coincide with each other. The upper end of the liquid collecting shell 14 is a large-diameter end, and the diameter of the large-diameter end is the same as the inner diameter of the collecting cylinder 5. Through the arrangement of the liquid collecting shell 14, it is ensured that the mixed liquid in the collecting cylinder 5 can be completely discharged;

[0047] The base 1 is provided with a drain pipe 15, which includes a vertical pipe 1501 and an inclined pipe 1502. The inner diameter of the vertical pipe 1501 is the same as the inner diameter of the small-diameter end of the liquid collecting shell 14. The upper end of the vertical pipe 1501 passes through the base 1 and the bottom of the collecting tube 5 in sequence, and then is connected to the small-diameter end of the liquid collecting shell 14, and the two are connected to each other.

[0048] The upper end of the inclined tube 1502 is connected to the lower end of the vertical tube 1501 obliquely upward and the two are connected to each other. The lower end of the inclined tube 1502 extends obliquely downward to the outside of the base 1. A valve 16 is provided on the inclined tube 1502. During processing, the entire device is moved to a designated location by the roller 3, and the valve 16 is opened to discharge the liquid in the collection tube 5 through the drain pipe 15. Then, the cover body 6 is opened to clean and disinfect the collection tube 5 for reuse.

[0049] like Figure 1 , Figure 2 As shown, in this embodiment, as a preference, the flushing device comprises a liquid storage cylinder 17 and a liquid pump 18 arranged on the base 1, and the liquid storage cylinder 17 is provided with a liquid filling port for adding disinfectant and sterilizing liquid;

[0050] The liquid inlet of the liquid pump 18 is connected to the inner cavity of the liquid storage cylinder 17 through the first liquid pipe. A wide-angle nozzle is provided at the center of the inner side of the sealing cover 11. The wide-angle nozzle is connected to the liquid outlet of the liquid pump 18 through the second liquid pipe 19. The second liquid pipe 19 and the wide-angle nozzle are detachably connected, generally in a sleeve connection manner.

[0051] The liquid pump 18 is electrically connected to the power supply, and the liquid pump 18 is connected to the controller signal. The liquid pump 18 is started by the controller control, and the liquid in the liquid storage cylinder 17 is pumped into the wide-angle nozzle through the second liquid pipe 19 for spraying, so that the expectorant 10 can be rinsed and disinfected. At the same time, the coughed sputum is flushed so that it is mixed with the disinfectant and flows into the collection tube 5 along the collection tube, and the sputum can still be sterilized and disinfected in the collection tube 5.

[0052] In this embodiment, as a preference, the negative pressure device 7 adopts a negative pressure pump, the air suction port of the negative pressure pump is connected to the inner cavity of the collecting tube 5, and the exhaust port of the negative pressure pump is connected to the outside world. The negative pressure pump is started by a controller to extract the air in the collecting tube 5, so that the pressure in the collecting tube 5 is reduced, which will generate suction on the first collecting tube 8 and the second collecting tube 9, making it easier for the mixture of sputum and disinfectant to flow into the collecting tube 5, effectively avoiding adhesion.

[0053] like Figure 1 , Figure 4As shown, in the present embodiment, preferably, the disinfection device comprises an ultraviolet disinfection lamp 20, which is electrically connected to a power supply, and is connected to a controller signal. The ultraviolet disinfection lamp 20 is arranged at the center of the lower surface of the cover body 6, and the lower end of the ultraviolet disinfection lamp 20 is located above the lower end of the first collecting tube 8. The ultraviolet disinfection lamp 20 is started by the controller, and the ultraviolet rays emitted by the ultraviolet disinfection are used for irradiation and sterilization to further ensure the disinfection effect in the collecting tube 5. At the same time, it can also effectively reduce or prevent the gas discharged from the exhaust port of the negative pressure pump from carrying germs. The collecting tube 5 and the cover body 6 are both made of opaque material to prevent the ultraviolet rays emitted by the ultraviolet disinfection lamp 20 from causing radiation damage to patients or other personnel.

[0054] In this embodiment, as a preference, a first liquid level sensor is provided in the liquid storage cylinder 17, a second liquid level sensor is provided in the collecting cylinder 5, and a display screen 21 is embedded in the cover of the control box 4;

[0055] The first liquid level sensor, the second liquid level sensor, and the display screen 21 are electrically connected to the power supply, respectively. The first liquid level sensor, the second liquid level sensor, and the display screen 21 are respectively connected to the controller signal. By setting the minimum preset value of the amount of disinfectant and the maximum preset value of the mixed liquid in the collecting cylinder 5 to the controller, the first liquid level sensor monitors the amount of disinfectant in the liquid storage cylinder 17 in real time and displays it on the display screen 21. The monitored value is compared with the preset value to facilitate the mastering and timely addition of disinfectant. The second liquid level sensor monitors the amount of mixed liquid in the collecting cylinder 5 in real time and displays it on the display screen 21. The monitored value is compared with the preset value to facilitate the mastering and timely cleaning of the mixed liquid in the collecting cylinder 5 to avoid unnecessary trouble caused by excessive collection.

[0056] like Figure 1 As shown, in this embodiment, in order to more intuitively remind that the disinfectant is insufficient or the mixed liquid in the collecting tube 5 has collected the maximum amount, a sound prompter is provided in the control box 4, and a plurality of sound-permeable holes 22 are provided on the front side wall of the control box 4 and correspond to the sound prompter;

[0057] The sound prompter is electrically connected to the power supply, and the sound prompter is connected to the controller signal. When the monitored value reaches the warning value of the preset value, the controller controls the sound prompter to emit a sound to prompt, ensuring that it can be processed in the first time.

[0058] like Figure 5As shown, in this embodiment, in order to meet different requirements of different body positions for the height of the expectorant 10, such as lying, sitting, standing, etc., the vertical rod 23 includes a fixed rod 2301 and a movable rod 2302, and the diameter of the fixed rod 2301 is greater than the diameter of the movable rod 2302;

[0059] The lower end of the fixed rod 2301 is arranged on the base 1, and the upper end surface of the fixed rod 2301 is provided with a sliding hole, the diameter of the sliding hole is the same as the diameter of the movable rod 2302, the lower end of the movable rod 2302 extends into the sliding hole and the two can slide relative to each other, and the upper end of the outer wall of the fixed rod 2301 is provided with a tightening bolt 24, by loosening the tightening bolt 24, the fixed rod 2301 and the movable rod 2302 can be moved toward each other or in the opposite direction, thereby adjusting the height of the entire vertical rod 23, so that the sputum collector 10 is located at different heights to meet different needs;

[0060] The C-shaped elastic buckle 12 and the control button 13 are respectively arranged at different positions on the upper end of the movable rod 2302, and the expectorant 10 and the control button 13 will change with the position of the movable rod 2302, so as to meet the different height requirements of different body positions.

[0061] The above are only preferred embodiments of the present application, and are not intended to limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made using the contents of the present application specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A sputum collection device for respiratory medicine, comprising a base (1), wherein four corners of the base (1) are provided with support legs (2), and the lower end of each support leg (2) is provided with a roller (3), characterized in that: The base (1) is provided with a control box (4) and a collection component; The collecting assembly comprises a collecting cylinder (5), the upper end of the collecting cylinder (5) is provided with a cover body (6) and the two are sealedly connected, the cover body (6) is provided with a negative pressure device (7), and the cover body (6) is provided with a disinfection device and is located in the collecting cylinder (5); The cover body (6) is provided with a first collecting tube (8), the lower end of the first collecting tube (8) extends into the middle and upper part of the collecting tube (5), and the two are connected to each other; The upper end of the first collecting tube (8) is detachably connected to a second collecting tube (9), the upper end of the second collecting tube (9) is provided with a funnel-shaped expectorant (10), and the expectorant (10) is provided with a sealing cover (11) adapted thereto; The base (1) is provided with a flushing device, and the flushing device is used to flush and disinfect the expectorant (10); The base (1) is provided with a vertical rod (23), the upper end of the vertical rod (23) is provided with a C-shaped elastic buckle (12) and a control button (13), and the upper end of the second collecting tube (9) is arranged on the upper end of the vertical rod (23) through the C-shaped elastic buckle (12); The control box (4) is provided with a power supply and a controller. The disinfection device, the negative pressure device (7), the flushing device and the controller are respectively electrically connected to the power supply. The disinfection device, the negative pressure device (7), the flushing device and the control button (13) are respectively signal-connected to the controller.

2. A sputum collection device for respiratory medicine according to claim 1, characterized in that: A trumpet-shaped liquid collecting shell (14) is provided at the bottom of the inner cavity of the collecting cylinder (5), and the central axes of the two coincide with each other; the upper end of the liquid collecting shell (14) is a large-diameter end, and the diameter of the large-diameter end is the same as the inner diameter of the collecting cylinder (5); The base (1) is provided with a liquid discharge pipe (15), the liquid discharge pipe (15) comprising a vertical pipe (1501) and an inclined pipe (1502), the inner diameter of the vertical pipe (1501) being the same as the inner diameter of the small-diameter end of the liquid collecting shell (14), the upper end of the vertical pipe (1501) passing through the base (1) and the bottom of the collecting cylinder (5) in sequence upwards, and then connected to the small-diameter end of the liquid collecting shell (14), and the two are in communication with each other; The upper end of the inclined tube (1502) is connected obliquely upward to the lower end of the vertical tube (1501) and the two are connected to each other. The lower end of the inclined tube (1502) extends obliquely downward to the outside of the base (1). A valve (16) is provided on the inclined tube (1502).

3. A sputum collection device for respiratory medicine according to claim 1, characterized in that: The flushing device comprises a liquid storage cylinder (17) and a liquid pump (18) arranged on a base (1); The liquid inlet of the liquid pump (18) is connected to the inner cavity of the liquid storage cylinder (17) through a first liquid pipe, and a wide-angle nozzle is arranged on the inner side of the sealing cover (11), and the wide-angle nozzle is connected to the liquid outlet of the liquid pump (18) through a second liquid pipe (19); The liquid pump (18) is electrically connected to a power source, and the liquid pump (18) is signal-connected to a controller.

4. The sputum collection device for respiratory medicine according to claim 1, characterized in that: The negative pressure device (7) adopts a negative pressure pump, the air suction port of the negative pressure pump is connected to the inner cavity of the collecting tube (5), and the air exhaust port of the negative pressure pump is connected to the outside.

5. The sputum collection device for respiratory medicine according to claim 1, characterized in that: The disinfection device comprises an ultraviolet disinfection lamp (20), which is arranged at the center of the lower surface of the cover body (6), and the lower end of the ultraviolet disinfection lamp (20) is located above the lower end of the first collecting tube (8).

6. A sputum collection device for respiratory medicine according to claim 3, characterized in that: A first liquid level sensor is arranged in the liquid storage cylinder (17), a second liquid level sensor is arranged in the collecting cylinder (5), and a display screen (21) is embedded in the cover of the control box (4); The first liquid level sensor, the second liquid level sensor and the display screen (21) are respectively electrically connected to a power supply, and the first liquid level sensor, the second liquid level sensor and the display screen (21) are respectively signal-connected to a controller.

7. A sputum collection device for respiratory medicine according to claim 1, characterized in that: A sound prompter is arranged in the control box (4), and a plurality of sound-permeable holes (22) are arranged on the front side wall of the control box (4) and correspond to the sound prompter; The sound prompter is electrically connected to a power source, and the sound prompter is signal-connected to a controller.

8. The sputum collection device for respiratory medicine according to claim 1, characterized in that: The vertical rod (23) comprises a fixed rod (2301) and a movable rod (2302), and the diameter of the fixed rod (2301) is greater than the diameter of the movable rod (2302); The lower end of the fixed rod (2301) is arranged on the base (1); the upper end surface of the fixed rod (2301) is provided with a sliding hole; the diameter of the sliding hole is the same as the diameter of the movable rod (2302); the lower end of the movable rod (2302) extends into the sliding hole and the two can slide relative to each other; the upper end of the outer wall of the fixed rod (2301) is provided with a tightening bolt (24); The C-shaped elastic buckle (12) and the control button (13) are respectively arranged at different positions on the upper end of the movable rod (2302).

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