Drainage liquid meter

By designing a drainage fluid meter with a reservoir and metering device, the problem of inaccurate measurement of drainage fluid in existing technologies has been solved. This achieves precise measurement of drainage fluid volume and good sealing, which is beneficial for patient recovery and disease assessment.

CN223668385UActive Publication Date: 2025-12-16AFFILIATED HOSPITAL OF HEBEI UNIV
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Patent Information

Application Number
CN202520244081.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-17
Publication Date
2025-12-16
Estimated Expiration
2035-02-17

AI Technical Summary

Technical Problem

In existing technologies, drainage tubes cannot accurately measure the amount of fluid drained in clinical practice, which affects the patient's recovery and the assessment of their condition.

Method used

Design a drainage fluid meter, including a storage box, a drainage tube and a meter. The storage box has an inlet channel and an outlet channel. The meter is connected to the upper part of the storage box to measure the amount of liquid flowing into the storage box and to display the liquid volume in real time on a display.

Benefits of technology

It enables accurate measurement of drainage fluid volume, which is beneficial for patient recovery and condition assessment. The meter is not affected by external environmental contamination, has good sealing properties, and improves drainage efficiency and accuracy.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a drainage liquid meter, which belongs to the technical field of medical instruments, and comprises a liquid storage box, a drainage tube and a meter, the interior of the liquid storage box is used for accommodating drainage liquid, the top is provided with a liquid inlet channel, the bottom is provided with a liquid outlet channel, one end of the drainage tube is communicated with the liquid inlet channel, and the other end of the drainage tube is placed in a liquid drainage position on the body of a patient. The drainage tube is used for leading out liquid from the body of a patient and enabling the liquid to flow into the liquid storage box; the meter is connected to the upper half portion in the liquid storage box and close to the liquid inlet channel, a liquid inlet is formed in the upper end of the meter, a liquid outlet is formed in the lower end of the meter, the liquid inlet is close to the liquid inlet channel, led-out liquid sequentially passes through the liquid inlet channel, the liquid inlet and the liquid outlet and flows into the lower half portion in the liquid storage box, and the meter is suitable for metering the amount of the liquid flowing through the meter. The drainage tube has the technical effects that the drainage tube can meter the amount of drainage liquid, is accurate in metering, can accommodate the metered liquid, and is beneficial to disease recovery and illness state judgment of a patient.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of medical apparatus and instruments, more particularly to a drainage liquid meter. BACKGROUND

[0002] In clinical work, for the exudate, effusion and the like on the patient's body, it is necessary to use a drainage tube to drain the effusion, exudate and the like to the outside of the patient's body so as to avoid infection, affect the recovery of the body and the like. In the process of drainage, the amount of the liquid drained needs to be observed and recorded, which is directly related to the formulation and implementation of the treatment plan of the patient, the judgment of the recovery of the disease and the like. In the prior art, generally, a drainage tube is used to drain the liquid, one end of the drainage tube is placed at the exudate, effusion and the like on the patient's body, and then the drainage tube is used to guide the exudate, effusion and the like out of the patient's body. However, in the process of guiding the liquid out, the amount of the exudate, effusion and the like guided out is inconvenient to measure or meter, which will affect the recovery of the patient's body, the formulation and implementation of the treatment plan and the like, and is not conducive to the judgment of the patient's condition. SUMMARY

[0003] The utility model aims at providing a drainage liquid meter, which aims to solve the technical problem that the drainage tube used in clinical work is inconvenient to meter the amount of the liquid guided out, and thus is not conducive to the recovery and condition judgment of the patient.

[0004] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of providing a drainage liquid meter, which comprises:

[0005] A liquid storage box is used to accommodate the liquid drained, has a liquid inlet channel at the top and a liquid outlet channel at the bottom, and the liquid outlet channel is filled with a detachable plug;

[0006] A drainage tube is connected to the liquid inlet channel at one end and is used to be placed in the liquid drainage position on the patient's body at the other end, and is used to guide the liquid out of the patient's body and flow into the liquid storage box;

[0007] A meter is connected to the upper half of the liquid storage box and is close to the liquid inlet channel, has a liquid inlet at the upper end and a liquid outlet at the lower end, the liquid inlet is close to the liquid inlet channel, the liquid guided out passes through the liquid inlet channel, the liquid inlet and the liquid outlet in sequence and flows into the lower half of the liquid storage box, and the meter is suitable for metering the amount of the liquid flowing through the meter.

[0008] In a possible implementation manner, the drainage liquid meter further comprises a drainage device, one end of the drainage device is connected to the side of the liquid storage box through a pipeline, and the drainage device is suitable for sucking the gas in the liquid storage box and forming a negative pressure in the liquid storage box so as to make the drainage tube suck the liquid to be drained.

[0009] In a possible implementation, the meter is electrically connected with a display, which is arranged outside the liquid storage box and used for displaying the liquid amount inside the liquid storage box.

[0010] In a possible implementation, the liquid storage box comprises:

[0011] an upper half box, the liquid inlet channel is arranged at the top of the upper half box, the inside of the upper half box is hollow and the bottom is open;

[0012] a lower half box, which is sealingly connected with the upper half box, the liquid outlet channel is arranged at the bottom of the lower half box, the meter is arranged inside the lower half box and close to the upper part of the lower half box, the inside of the lower half box is hollow and the top is open, the opening of the upper half box and the opening of the lower half box can be matched and docked with each other, and the upper half box and the lower half box form the liquid storage box after being docked.

[0013] In a possible implementation, the liquid inlet channel is a through hole arranged at the top of the liquid storage box, the through hole penetrates to the inside of the liquid storage box, a conical cylinder in the shape of a cone is arranged in the through hole, the outer wall of the conical cylinder is provided with a conical outer thread, one end of the drainage tube is sealingly sleeved with a conical cap in the shape of a cone, the inner wall of the conical cap is provided with a conical inner thread, and the conical cap and the conical cylinder are matched and screwed with each other through the conical outer thread and the conical inner thread.

[0014] In a possible implementation, a bellows is connected to the middle part of the drainage tube, and the bellows can be bent and deformed to cause the drainage tube to be bent and deformed.

[0015] In a possible implementation, the liquid storage box is made of transparent material, the outer wall of the liquid storage box is provided with a scale line, and a switch controller is sleeved on the drainage tube, which is used to regulate the liquid flow in the drainage tube.

[0016] In a possible implementation, the outer wall of the liquid storage box is connected with a hanging ring at each end, one end of each of two hanging ropes is connected with the hanging ring, the other end of each of the two hanging ropes is provided with a male buckle and a female buckle, the male buckle and the female buckle can be matched and detachably buckled with each other, and the two hanging ropes are connected and used to embrace the body of a patient or an object to fix the liquid storage box.

[0017] In a possible implementation, the drainage device is electrically connected with a control panel, the control panel has a control module used for controlling the operation of the drainage device, and a patient holds the control panel to control the operation of the drainage device.

[0018] In a possible implementation, the drainage tube is connected with an adhesive part outside the wall of the drainage tube, and the adhesive part is used for being adhered to an object or a human body to fix the drainage tube.

[0019] The drainage liquid meter has the advantages that compared with the prior art, the drainage liquid meter comprises a liquid storage box, a drainage tube and a meter, the liquid storage box is used for containing the drained liquid, the top of the liquid storage box is provided with a liquid inlet channel, the bottom of the liquid storage box is provided with a liquid outlet channel, and the liquid outlet channel is filled with a detachable plug; one end of the drainage tube is communicated with the liquid inlet channel, the other end of the drainage tube is used for being placed in a liquid drainage position on the body of a patient, the drainage tube is used for draining the liquid from the body of the patient and flowing into the liquid storage box, the meter is connected to the upper half of the liquid storage box and is close to the liquid inlet channel, the meter is provided with a liquid inlet port at the upper end and a liquid outlet port at the lower end, the liquid inlet port is arranged close to the liquid inlet channel, the drained liquid sequentially passes through the liquid inlet channel, the liquid inlet port and the liquid outlet port and flows into the lower half of the liquid storage box, the meter is suitable for measuring the amount of the liquid flowing through the meter, the technical problem that the drainage tube used in clinical work is inconvenient for measuring the amount of the drained liquid and is not conducive to the recovery of the patient and the judgment of the disease is solved, the amount of the drained liquid can be measured, the measurement is accurate, the measured liquid can be contained, and the recovery of the patient and the judgment of the disease are facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort on the basis of these drawings.

[0021] Figure 1 A structural schematic view of the drainage liquid meter provided in the embodiments of the present application is shown in the figure;

[0022] Figure 2 A lower half box structural schematic view of the drainage liquid meter provided in the embodiments of the present application is shown in the figure;

[0023] Figure 3 An upper half box structural schematic view of the drainage liquid meter provided in the embodiments of the present application is shown in the figure;

[0024] Figure 4 A Figure 3 An upper half box and drainage tube connection structural schematic view of the drainage liquid meter shown in the figure;

[0025] Figure 5 A Figure 4 Structural explosion view in the figure.

[0026] Marked in the drawing:

[0027] 1, liquid storage box; 11, liquid inlet channel; 12, liquid outlet channel; 13, plug; 14, mounting hole; 15, upper half box; 16, lower half box; 17, scale; 18, hanging ring; 19, hanging rope; 110, male buckle; 111, female buckle; 2, drainage tube; 3, meter; 31, liquid inlet; 32, liquid outlet; 4, drainage device; 41, control panel; 5, pipeline; 6, display; 7, conical cylinder; 8, conical cap; 9, bellows; 10, switch controller. DETAILED DESCRIPTION

[0028] In order to make the technical problems, technical solutions and beneficial effects of the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model.

[0029] Please refer to Figures 1 to 5 , a drainage liquid meter provided by the utility model will be described. The drainage liquid meter comprises a liquid storage box 1, a drainage tube 2 and a meter 3, the liquid storage box 1 is used for containing the drained liquid inside, has a liquid inlet channel 11 at the top and a liquid outlet channel 12 at the bottom, and the liquid outlet channel 12 is filled with a detachable plug 13; one end of the drainage tube 2 is communicated with the liquid inlet channel 11, and the other end is used for being placed in the liquid drainage position on the patient's body, the drainage tube 2 is used for draining the liquid from the patient's body and flowing into the liquid storage box 1; the meter 3 is connected to the upper half of the liquid storage box 1 and close to the liquid inlet channel 11, the meter 3 is provided with a liquid inlet 31 at the upper end and a liquid outlet 32 at the lower end, the liquid inlet 31 is arranged close to the liquid inlet channel 11, the drained liquid flows into the lower half of the liquid storage box 1 through the liquid inlet channel 11, the liquid inlet 31 and the liquid outlet 32 in sequence, and the meter 3 is suitable for metering the amount of the liquid flowing through the meter 3.

[0030] Compared with the prior art, the drainage liquid meter provided by the utility model is characterized in that the liquid storage box 1 is communicated with the drainage tube 2, the meter 3 is arranged inside the liquid storage box 1, the amount of the liquid flowing into the liquid storage box 1 can be metered, the amount of the liquid can be observed in real time, the technical problem that the drainage tube 2 used in clinical work is not convenient for metering the amount of the drained liquid and is not conducive to the recovery of the patient's disease and the judgment of the patient's condition is solved, the amount of the drained liquid can be metered, the metering is accurate, the metered liquid can be contained, and the technical effect that the recovery of the patient's disease and the judgment of the patient's condition are facilitated is achieved.

[0031] The meter 3 in the embodiment is a product capable of automatically measuring the volume of liquid in the prior art, which is installed inside the liquid storage box 1 and can accurately measure the volume of liquid flowing into the liquid storage box 1, such as a precision metering box in the prior art. The liquid inlet 31 at the upper end of the meter 3 is aligned with the liquid inlet channel 11, and the liquid flowing from the liquid inlet channel 11 can flow into the liquid inlet 31, or after being temporarily stored or retained on the meter 3 for a period of time, it can also flow into the liquid inlet 31, so that the volume of liquid can be measured or metered by using the meter 3. The measured liquid flows out of the liquid outlet 32 and naturally falls to the bottom of the inside of the liquid storage box 1, i.e. below the meter 3, by gravity, and the side of the meter 3 is sealingly and fixedly connected to the inner wall of the liquid storage box 1, so that the meter 3 does not move or dislocate inside the liquid storage box 1. When in use, the liquid storage box 1 is arranged in a vertical manner, and the advantage of arranging the meter 3 inside the liquid storage box 1 in the utility model is that the meter 3 is not affected by external environmental pollution, such as dust pollution and liquid pollution, and the inside of the liquid storage box 1 forms a closed structure, so that dust and other liquids cannot enter the inside, thereby achieving the effects of dustproofing and waterproofing of the meter 3. An exhaust valve can be provided on the liquid storage box 1, and gas can be discharged to the outside, but cannot enter the inside.

[0032] When installing the meter 3, if there is a gap between the outer wall of the meter 3 and the inner wall of the liquid storage box 1, a sealing member or the like can be used to fill the gap, which can play a sealing role, thereby further improving the measurement accuracy of the drainage liquid. The cross-sectional shape of the liquid storage box 1 in the embodiment is oval, but can also be other shapes, which are not limited herein. One end of the drainage tube 2 is inserted into the inside of the liquid inlet channel 11, and the drainage tube 2 is sealingly connected to the liquid inlet channel 11. The outlet channel 12 is filled with a plug 13, and when it is necessary to discharge the liquid inside the liquid storage box 1, the plug 13 can be removed at this time, thereby opening the outlet channel 12, and the liquid inside the liquid storage box 1 can be discharged from the outlet channel 12. After discharge, the outlet channel 12 can be sealed again by using the plug 13.

[0033] To achieve active drainage of liquid, the drainage tube 2 can actively absorb the effusion and exudation on the patient's body, and in some embodiments, please refer to Figure 1, the drainage liquid meter 3 further comprises a drainage device 4, one end of which is communicated with the side of the liquid storage box 1 through a pipeline 5, and the drainage device 4 is suitable for sucking the gas inside the liquid storage box 1 and forming a negative pressure inside the liquid storage box 1, so that the drainage tube 2 can suck the liquid to be drained. By using the drainage device 4, the drainage tube 2 can actively suck the effusion and exudation under negative pressure, so that the liquid can actively enter the inside of the drainage tube 2, and the drainage efficiency is improved. In actual operation, attention should be paid to that non-liquid should not enter the inside of the drainage tube 2. The drainage device 4 in the embodiment is a kind of product of prior art, which can be a kind of negative pressure generator, and is communicated with the side of the liquid storage box 1 through the pipeline 5, but it is necessary to ensure that the liquid inside the liquid storage box 1 cannot flow into the pipeline 5 and the inside of the liquid storage box 1, so as not to affect the use. In specific use, the liquid storage box 1 is used in an upright manner as shown in Figure 1 , when the amount of liquid in the liquid storage box 1 reaches the height of the pipeline 5, attention should be paid that liquid should not be added any more, otherwise the liquid will flow into the inside of the pipeline 5. As a preferred, a structure similar to a semi-permeable membrane is arranged at the end of the pipeline 5 close to the liquid storage box 1, which can allow gas to pass through but not liquid. When the gas inside the liquid storage box 1 is in a negative pressure state, the liquid storage box 1 will not be deflated or deformed, so that the liquid inside the liquid storage box 1 cannot flow into the inside of the pipeline 5 under negative pressure.

[0034] An installation hole 14 for the pipeline 5 to pass through is arranged at the side of the liquid storage box 1 close to the upper part thereof, one end of the pipeline 5 is inserted into the installation hole 14 and is in sealed connection with the liquid storage box 1, and when the pipeline 5 is not used, the pipeline 5 is pulled out of the installation hole 14, and then a plug is used to plug the installation hole 14. The staff can control the start and stop of the drainage device 4 and the running efficiency, so as to realize the function of adjusting the size of the negative pressure and improve the liquid drainage efficiency.

[0035] In order to observe the drainage amount, in some embodiments, please refer to Figures 1 to 5 , the meter 3 is electrically connected with a display 6, and the display 6 is arranged outside the liquid storage box 1 and is used to display the amount of liquid inside the liquid storage box 1. The display 6 can be arranged on the outer wall of the liquid storage box 1 or outside the liquid storage box 1, and the meter 3 and the display 6 can be electrically connected through a wire harness, and the wire harness passes through the liquid storage box 1 and is in sealed connection with the liquid storage box 1, so that the liquid inside the liquid storage box 1 cannot flow out or exude through the gap between the wire harness and the liquid storage box 1. The display 6 is a product of prior art, which can display the amount of measured liquid, so as to facilitate the observation and evaluation of the staff.

[0036] In some embodiments, please refer to Figures 1 to 5, the liquid inlet channel 11 is arranged on the top of the liquid storage box 1, the inside of the upper half box 15 is hollow, and the bottom is open; the lower half box 16 is sealingly connected with the upper half box 15, the liquid outlet channel 12 is arranged on the bottom of the lower half box 16, the meter 3 is arranged in the inside of the lower half box 16 and close to the upper part of the lower half box 16, the inside of the lower half box 16 is hollow, and the top is open; the opening of the upper half box 15 and the opening of the lower half box 16 can be matched and connected, and the upper half box 15 and the lower half box 16 form the liquid storage box 1 after being connected. In the embodiment, the upper half box 15 is equivalent to a cover, and the lower half box 16 is equivalent to a seat. The drained liquid is temporarily stored in the seat, and the cover can cover the opening of the seat. The two are combined to form a whole, that is, the liquid storage box 1. The upper half box 15 and the lower half box 16 are detachably connected. After being connected, there is no gap between the two, which can ensure that the inside is closed. When the upper half box 15 is opened, the meter 3 and the wire harness can be easily installed in the seat. The wire harness passes through the gap between the upper half box 15 and the lower half box 16 and is sealingly connected with the upper half box 15 or the lower half box 16. At this time, the wire harness does not affect the vacuum or negative pressure state in the seat.

[0037] In order to facilitate the installation of the drainage tube 2 and the sealing connection between the drainage tube 2 and the liquid storage box 1, in some embodiments, please refer to Figures 1 to 5 , the liquid inlet channel 11 is a through hole arranged on the top of the liquid storage box 1, the through hole penetrates into the inside of the liquid storage box 1, a conical cylinder 7 in the shape of a cone is arranged in the through hole, a conical outer thread is arranged on the outer wall of the conical cylinder 7, a conical cap 8 in the shape of a cone is sealingly sleeved on one end of the drainage tube 2, a conical inner thread is arranged on the inner wall of the conical cap 8, and the conical cap 8 and the conical cylinder 7 are matched and screwed through the conical outer thread and the conical inner thread. The two ends of the conical cylinder 7 are open, and the outer circumference of the lower end of the conical cylinder 7 is sealingly connected with the inner wall of the through hole. In this way, the conical cylinder 7 can be fixed in the through hole, and through the above-mentioned threaded connection, the detachable connection and the sealing connection between the drainage tube 2 and the liquid storage box 1 can be realized. First, the drainage tube 2 and the liquid storage box 1 can be easily assembled and disassembled. Second, the drainage tube 2 and the liquid storage box 1 have good sealing effect. The threaded connection between the conical outer thread and the conical inner thread can refer to the threaded connection of the conical thread in the prior art.

[0038] In the utility model, two groups of through holes, conical cylinders 7 and drainage tubes 2 are arranged, which is equivalent to a multi-channel drainage meter. The two groups of drainage tubes 2 can realize drainage, and can also be arranged at different positions to realize drainage of liquid at different positions, which can improve the drainage efficiency. When one group of drainage tubes 2 is not used, the inside is closed, which does not affect the use of the other group of drainage tubes 2.

[0039] In order to realize the bending of the drainage tube 2 during use, in some embodiments, please refer toFigures 1 to 5 The middle of the drainage tube 2 is connected with a bellows 9, and the bellows 9 can be bent and deformed to make the drainage tube 2 bent and deformed. The bellows 9 adopts a corrugated structure and can be bent and deformed, etc., so that the drainage tube 2 can be bent or deformed towards different directions, so that the end of the drainage tube 2 can drain liquid at different positions. The drainage tube 2 can be regarded as two sections, and the bellows 9 is arranged at the middle connection position of the two sections of the drainage tube 2, and the two sections of the drainage tube 2 and the bellows 9 are arranged in a head-to-tail mode to form an overall structure, which can realize the drainage of liquid.

[0040] In order to observe the drainage amount of the liquid in the liquid storage box 1, in some embodiments, please refer to Figures 1 to 5 The liquid storage box 1 is made of transparent material, and the outer wall of the liquid storage box 1 is provided with a scale line 17. The drainage tube 2 is sleeved with a switch controller 10, and the switch controller 10 is used to control the flow of liquid in the drainage tube 2. The amount of liquid in the liquid storage box 1 can be observed through the scale line 17, so as to facilitate the clinical staff to judge and analyze the patient's physical condition, etc. The switch controller 10 is a component in the prior art which can control the on-off of the drainage tube 2. By controlling the switch controller 10, the on-off of the drainage tube 2 can be realized, so as to realize the drainage of liquid, etc.

[0041] In order to realize the fixation of the liquid storage box 1 and prevent the liquid storage box 1 from being tilted or dumped, in some embodiments, please refer to Figures 1 to 5 The outer wall of the liquid storage box 1 is connected with a hanging ring 18 at both ends, and one end of the two hanging rings 18 is connected with a hanging rope 19. The other end of the two hanging ropes 19 is respectively provided with a male buckle 110 and a female buckle 111, and the male buckle 110 and the female buckle 111 can be matched and detachably buckled. After the two hanging ropes 19 are connected, they are used to embrace the patient's body or object to fix the liquid storage box 1. The connection mode of the male buckle 110 and the female buckle 111 can refer to the prior art, and the two are detachably connected. After being connected, they can embrace the patient's body or object to fix the liquid storage box 1, and after being opened, they can release the fixation of the liquid storage box 1. The hanging rope 19 can be a rope that can be stretched and loosened.

[0042] In some embodiments, please refer to Figures 1 to 5 The drainage device 4 is electrically connected with a control panel 41, and the control panel 41 has a control module for controlling the operation of the drainage device 4. The patient holds the control panel 41 to control the operation of the drainage device 4. The control panel 41 is a kind of panel which can control the operation of the drainage device 4. The control panel 41 is also electrically connected with the drainage device 4 through a wire harness, and the wire harness can realize the control of the drainage operation.

[0043] In order to realize the fixation of the drainage tube 2 and facilitate the fixation in clinical work, prevent the drainage tube 2 from being displaced, etc., in some embodiments, please refer to Figures 1 to 5The outer side wall of the drainage tube 2 is connected with an adhesive part (as prior art, not shown in the figure, such as adhesive tape, adhesive band and the like), which is used for being adhered to the object or human body to fix the drainage tube 2, and the drainage tube 2 can be removed after the drainage is finished, and the adhesive part is equivalent to an adhesive tape or the like which can be adhered and detached, and is connected with the object or human body after being adhered, and can be separated from the object or human body after the drainage tube 2 is pulled out with force.

[0044] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A drainage liquid meter, characterized in that, The utility model provides a liquid drainage device, which comprises: a liquid storage box for containing the drained liquid, the top of the liquid storage box being provided with a liquid inlet channel, and the bottom of the liquid storage box being provided with a liquid outlet channel, wherein the liquid outlet channel is filled with a detachable plug; a drainage tube, one end of the drainage tube being connected to the liquid inlet channel, and the other end of the drainage tube being used for being placed at a liquid drainage position on the body of a patient, the drainage tube being used for draining the liquid from the body of the patient and flowing into the liquid storage box; a flow meter, the flow meter being connected to the upper half of the liquid storage box and being close to the liquid inlet channel, the upper end of the flow meter being provided with a liquid inlet port, and the lower end of the flow meter being provided with a liquid outlet port, the liquid inlet port being close to the liquid inlet channel, the drained liquid sequentially passing through the liquid inlet channel, the liquid inlet port and the liquid outlet port and flowing into the lower half of the liquid storage box, and the flow meter being adapted to measure the amount of the liquid flowing through the flow meter.

2. A liquid drainage meter according to claim 1, wherein Further comprising: a drainage device, one end of the drainage device being connected to the side of the liquid storage box through a pipeline, the drainage device being adapted to suck the gas in the liquid storage box and form a negative pressure in the liquid storage box, so that the drainage tube sucks the liquid to be drained.

3. A liquid drainage meter according to claim 1, wherein The flow meter is electrically connected with a display, the display is arranged outside the liquid storage box and is used for displaying the amount of the liquid in the liquid storage box.

4. A liquid drainage meter according to claim 1, wherein The liquid storage box comprises: an upper half box, the liquid inlet channel being arranged at the top of the upper half box, the inside of the upper half box being hollow, and the bottom of the upper half box being open; a lower half box, the lower half box being sealingly connected with the upper half box, the liquid outlet channel being arranged at the bottom of the lower half box, the flow meter being arranged in the lower half box and being close to the upper part of the lower half box, the inside of the lower half box being hollow, and the top of the lower half box being open, the opening of the upper half box and the opening of the lower half box being capable of being matched and connected, and the upper half box and the lower half box being connected to form the liquid storage box.

5. A liquid drainage meter according to claim 1, wherein The liquid inlet channel is a through hole arranged at the top of the liquid storage box, the through hole penetrating into the inside of the liquid storage box, a conical cylinder in the shape of a cone being arranged in the through hole, a conical outer thread being arranged on the outer wall of the conical cylinder, a conical cap in the shape of a cone being sealingly sleeved on one end of the drainage tube, a conical inner thread being arranged on the inner wall of the conical cap, and the conical cap and the conical cylinder being matched and screwed through the conical outer thread and the conical inner thread.

6. A liquid drainage meter according to claim 1, wherein A bellows is connected to the middle of the drainage tube, the bellows being capable of being bent and deformed, so that the drainage tube is bent and deformed.

7. A liquid drainage meter according to claim 1, wherein The liquid storage box is made of transparent material, scale lines are arranged on the outer wall of the liquid storage box, and a switch controller is sleeved on the drainage tube, the switch controller being used for regulating the flow of the liquid in the drainage tube.

8. A liquid drainage meter according to claim 1, wherein, Two hanging rings are respectively connected to the two ends of the outer wall of the liquid storage box, one end of each of the two hanging rings being connected with a hanging rope, a male buckle and a female buckle being respectively arranged on the other end of each of the two hanging ropes, the male buckle and the female buckle being capable of being matched and detachably buckled, and the two hanging ropes being connected to surround the body of a patient or an object, so as to fix the liquid storage box.

9. A liquid drainage meter according to claim 2, wherein, A control panel is electrically connected with the drainage device, the control panel being provided with a control module for controlling the operation of the drainage device, and a patient holds the control panel to control the operation of the drainage device.

10. A liquid drainage meter according to claim 1, wherein, An adhesive part is connected to the outer lateral wall of the drainage tube, the adhesive part being used for being adhered to an object or a human body, so as to fix the drainage tube.