Negative pressure type stomach tube drainage bottle

By designing a negative pressure gastric tube drainage bottle with an airbag and a return spring, the problem of continuous drainage in existing negative pressure gastric tube drainage bottles has been solved, achieving stable generation of negative pressure and improved drainage efficiency, making it suitable for medical scenarios requiring frequent drainage.

CN223774109UActive Publication Date: 2026-01-09SUN YAT SEN MEMORIAL HOSPITAL SUN YAT SEN UNIV
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Patent Information

Application Number
CN202422544490.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-22
Publication Date
2026-01-09
Estimated Expiration
2034-10-22

AI Technical Summary

Technical Problem

Existing negative pressure gastric tube drainage bottles cannot continue to generate negative pressure by pressing the bottle body after the contents of the drainage bottle reach a certain level, causing drainage to stop.

Method used

A negative pressure gastric tube drainage bottle with an air bladder and a return spring was designed. The negative pressure is generated by pressing the air bladder, and a continuous negative pressure environment is achieved by using a one-way valve and a return spring to ensure the continuity of drainage.

Benefits of technology

It achieves stable generation of negative pressure during the drainage process, improves drainage efficiency, reduces operational difficulty and maintenance costs, and is suitable for medical scenarios with frequent drainage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a negative pressure type stomach tube drainage bottle, which relates to the technical field of stomach tube drainage bottles and comprises a drainage bottle body, the upper end of the drainage bottle body is in threaded connection with a bottle cap, the upper end of the bottle cap is fixedly connected with a cylinder, an air bag is movably mounted in the cylinder, and a pressing block is slidably mounted at the position, close to the upper end, in the cylinder. A left earmuff and a right earmuff which are communicated with the interior of the cylinder are fixedly installed at the opposite positions of the two sides of the outer side wall of the cylinder respectively, a left pressing plate and a right pressing plate are fixedly connected to the positions, close to the lower end, of the two opposite sides of the outer side wall of the pressing block respectively, and the left pressing plate and the right pressing plate are located in the left earmuff and the right earmuff respectively. The inner wall of the left earmuff and the inner wall of the right earmuff are in sliding connection; negative pressure is generated by pressing the pressing block to extrude the air bag, so that the defect that an existing drainage bottle cannot continue drainage after reaching a certain volume is overcome.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a stomach tube drainage bottle technical field, specifically a negative pressure type stomach tube drainage bottle. BACKGROUND

[0002] The negative pressure type stomach tube drainage bottle is mainly used in clinical medical treatment, helps the patient to carry out the drainage of stomach contents after gastrointestinal surgery, major trauma or intensive care. The design purpose of this device is to alleviate the pain of the patient, improve the nursing efficiency, and reduce the risk of infection.

[0003] The negative pressure drainage technology creates a negative pressure environment in the drainage bottle, promotes the effective discharge of body fluids and gases. This principle not only effectively reduces the accumulation of gas in the stomach, but also prevents the reverse flow phenomenon caused by external pressure changes during the drainage process, reducing the incidence of complications. However, the existing negative pressure type stomach tube drainage bottle is pressed by the bottle body to generate negative pressure in the bottle. This method cannot achieve further drainage by pressing the bottle body when the content of the drainage bottle reaches a certain degree.

[0004] Therefore, the technical personnel in the art provides a negative pressure type stomach tube drainage bottle to solve the problems raised in the above background. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a negative pressure type stomach tube drainage bottle to solve the problems raised in the above background.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A negative pressure type stomach tube drainage bottle, comprising a drainage bottle body, a bottle cap is threadedly connected to the upper end of the drainage bottle body, a cylinder is fixedly connected to the upper end of the bottle cap, an air bag is movably installed in the cylinder, a pressing block is slidably installed in the cylinder near the upper end, left and right ear covers are fixedly installed on the outer side wall of the cylinder on the opposite positions on both sides, respectively, and the left and right ear covers are through the inside of the cylinder, left and right pressure plates are fixedly connected to the positions near the lower end on the opposite sides of the outer side wall of the pressing block, respectively, the left and right pressure plates are located inside the left and right ear covers, respectively, and are slidably connected with the inner walls of the left and right ear covers.

[0008] As a further scheme of the utility model: the inner walls of the left and right ear covers are fixedly connected with reset springs one and two, respectively, and the upper ends of the reset springs one and two are fixedly connected with the left and right pressure plates, respectively.

[0009] As a further scheme of the utility model: the outer side wall of the cylinder is provided with a round hole one and a round hole two on the opposite positions on both sides, respectively.

[0010] As a further embodiment of this utility model: a connecting pipe is fixedly connected to one side of the outer wall of the airbag and communicates with the airbag. One end of the connecting pipe extends to the outside of the cylinder through the circular hole and is fixedly connected to a one-way valve.

[0011] As a further improvement of this utility model, the output end of the one-way valve is connected to the interior of the drainage bottle body through the bottle cap, thereby realizing the interconnection of gases.

[0012] As a further embodiment of this utility model: a connecting pipe II, which communicates with the airbag, is fixedly connected to one side of the outer wall of the airbag, and one end of the connecting pipe II extends to the outside of the cylinder through the round hole II and is fixedly connected to a one-way valve II.

[0013] As a further embodiment of this utility model: a one-way valve three is fixedly connected to the upper end of the bottle cap, and the output end of the one-way valve three is connected to the interior of the drainage bottle body through the bottle cap, thereby realizing the communication between gas and liquid. A connecting pipe three is fixedly connected to the input end of the one-way valve three, and a connector is fixedly connected to one end of the connecting pipe three.

[0014] As a further improvement of this utility model: an annular sealing gasket is adhered to the inner top wall of the bottle cap. When the bottle cap is closed, the sealing gasket can seal tightly with the bottle body, thereby forming a sealed state inside the drainage bottle.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] This invention generates negative pressure by pressing the pressure block to compress the air bladder, thus overcoming the defect of existing drainage bottles that cannot continue drainage after reaching a certain volume. Users can easily generate negative pressure by simply pressing the air bladder, reducing the technical requirements for users and improving the convenience and safety of clinical operations. The air bladder design makes the generation of negative pressure more stable, enabling faster drainage of fluid and improving the overall efficiency of drainage, especially in medical scenarios requiring frequent drainage, where it shows significant advantages. Due to its simple design, the maintenance and replacement costs required during use are reduced, saving medical expenses for hospitals and patients. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of a negative pressure gastric tube drainage bottle.

[0018] Figure 2 This is a schematic diagram of the connecting tube 2 and the one-way valve 2 in a negative pressure gastric tube drainage bottle.

[0019] Figure 3 This is a schematic diagram of the sealing gasket in a negative pressure gasket drainage bottle.

[0020] Figure 4 It is a negative pressure type gastric tube drainage bottle in the left ear cover and the right ear cover internal structure schematic view.

[0021] In the figure: 1, drainage bottle body; 2, bottle cap; 3, cylinder; 4, pressure block; 5, left ear cover; 6, right ear cover; 7, round hole one; 8, connecting pipe one; 9, one-way valve one; 10, one-way valve three; 11, connecting pipe three; 12, connecting head; 13, round hole two; 14, connecting pipe two; 15, one-way valve two; 16, sealing gasket; 17, air bag; 18, left pressure plate; 19, right pressure plate; 20, reset spring one; 21, reset spring two. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. 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 those skilled in the art without creative labor fall within the scope of protection of the present application. Embodiment 1

[0023] Referring to Figures 1-4 The embodiment provides a negative pressure type gastric tube drainage bottle, which comprises a drainage bottle body 1, the upper end of the drainage bottle body 1 is threadedly connected with a bottle cap 2, the upper end of the bottle cap 2 is fixedly connected with a cylinder 3, the cylinder 3 is movably installed with an air bag 17, the position close to the upper end in the cylinder 3 is slidably installed with a pressure block 4, the outer side wall of the cylinder 3 is fixedly installed with a left ear cover 5 and a right ear cover 6 on the opposite positions on both sides respectively, the left ear cover 5 and the right ear cover 6 are internally through the cylinder 3, the opposite positions close to the lower end on the outer side wall of the pressure block 4 are fixedly connected with a left pressure plate 18 and a right pressure plate 19 respectively, the left pressure plate 18 and the right pressure plate 19 are respectively located in the interiors of the left ear cover 5 and the right ear cover 6 and are slidably connected with the inner walls of the left ear cover 5 and the right ear cover 6. Embodiment 2

[0024] Referring to Figures 1-4The embodiment is based on the previous embodiment, and differs from the previous embodiment in that reset spring one 20 and reset spring two 21 are fixedly connected to the inner walls of the left ear cover 5 and the right ear cover 6, respectively, the upper ends of the reset spring one 20 and the reset spring two 21 are fixedly connected to the left pressing plate 18 and the right pressing plate 19, respectively, a circular hole one 7 and a circular hole two 13 are formed on the outer side wall of the cylinder 3 at opposite positions, a connecting pipe one 8 that penetrates the gas bag 17 is fixedly connected to one side of the outer wall of the gas bag 17, one end of the connecting pipe one 8 extends to the outside of the cylinder 3 through the circular hole one 7 and is fixedly connected with a one-way valve one 9, the output end of the one-way valve one 9 is connected with the inside of the drainage bottle body 1 through the bottle cap 2, so that the gas can communicate, a connecting pipe two 14 that penetrates the gas bag 17 is fixedly connected to one side of the outer wall of the gas bag 17, one end of the connecting pipe two 14 extends to the outside of the cylinder 3 through the circular hole two 13 and is fixedly connected with a one-way valve two 15, the upper end of the bottle cap 2 is fixedly connected with a one-way valve three 10, the output end of the one-way valve three 10 is connected with the inside of the drainage bottle body 1 through the bottle cap 2, so that the gas or the liquid can communicate, the input end of the one-way valve three 10 is fixedly connected with a connecting pipe three 11, one end of the connecting pipe three 11 is fixedly connected with a connector 12, and the inner top wall of the bottle cap 2 is bonded with an annular sealing gasket 16, which can be tightly combined with the bottle body when the bottle cap 2 is closed, so that the inside of the drainage bottle is in a sealed state.

[0025] Working principle: in use, first, the drainage bottle body 1 is connected with the stomach tube through the connector 12, the pressing block 4 is pressed, the pressing block 4 extrudes the gas bag 17 downward, air is discharged to the outside through the connecting pipe two 14 and the one-way valve two 15, the one-way valve two 15 allows the gas (such as air) to flow out of the gas bag 17, but prevents external air from entering, thereby reducing the pressure in the gas bag 17, so that the pressure of the external environment is higher than that in the gas bag 17, thereby forming negative pressure, then the pressing block 4 is released, due to the negative pressure in the gas bag 17, the liquid will enter the drainage bottle body 1 from the stomach tube through the connecting pipe three 11, at the same time, the left pressing plate 18 and the right pressing plate 19 are reset by the elastic force of the reset spring one 20 and the reset spring two 21, the pressing block 4 is reset, repeated pressing of the pressing block 4 can continuously drain, the one-way valve one 9 and the one-way valve three 10 make the liquid in the drainage bottle body 1 not flow back to the connecting pipe one 8 and the connecting pipe three 11 due to gravity or pressure change.

[0026] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, the scope of the present application being defined by the claims appended hereto rather than by the above description, and all the changes which fall within the meaning and the scope of the equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0027] Furthermore, it should be understood that although the present specification describes exemplary embodiments, not every embodiment contains only one independent technical solution, and the present specification is described in this way only for the sake of clarity, and a person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that a person skilled in the art can understand.

Claims

1. A negative pressure gastric tube drainage bottle, comprising a drainage bottle body (1), characterized in that, The upper end of the drainage bottle body (1) is threaded with a bottle cap (2), and the upper end of the bottle cap (2) is fixedly connected with a cylinder (3). An airbag (17) is movably installed inside the cylinder (3). A pressure block (4) is slidably installed inside the cylinder (3) near the upper end. A left ear cover (5) and a right ear cover (6) that communicate with the inside of the cylinder (3) are fixedly installed on opposite sides of the outer wall of the cylinder (3). A left pressure plate (18) and a right pressure plate (19) are fixedly connected on opposite sides of the outer wall of the pressure block (4) near the lower end. The left pressure plate (18) and the right pressure plate (19) are located inside the left ear cover (5) and the right ear cover (6) respectively, and are slidably connected to the inner walls of the left ear cover (5) and the right ear cover (6). A connecting pipe (8) that communicates with the airbag (17) is fixedly connected to one side of the outer wall of the airbag (17). One end of the connecting pipe (8) extends to the outside of the cylinder (3) through a round hole (7) and is fixedly connected to a one-way valve (9). The output end of the one-way valve (9) is connected to the inside of the drainage bottle body (1) through the bottle cap (2), thereby realizing the interconnection of gases; The upper end of the bottle cap (2) is fixedly connected to a one-way valve three (10). The output end of the one-way valve three (10) is connected to the inside of the drainage bottle body (1) through the bottle cap (2), thereby realizing the communication between gas and liquid. The input end of the one-way valve three (10) is fixedly connected to a connecting pipe three (11), and one end of the connecting pipe three (11) is fixedly connected to a connector (12).

2. The negative pressure gastric tube drainage bottle according to claim 1, characterized in that, The inner walls of the left earcup (5) and the right earcup (6) are respectively fixedly connected with a first reset spring (20) and a second reset spring (21). The upper ends of the first reset spring (20) and the second reset spring (21) are respectively fixedly connected with the left pressure plate (18) and the right pressure plate (19).

3. The negative pressure gastric tube drainage bottle according to claim 1, characterized in that, The outer side wall of the cylinder (3) is provided with two opposite circular holes, one (7) and the other (13).

4. A negative pressure gastric tube drainage bottle according to claim 3, characterized in that, A connecting pipe 2 (14) that communicates with the airbag (17) is fixedly connected to one side of the outer wall of the airbag (17). One end of the connecting pipe 2 (14) extends to the outside of the cylinder (3) through the round hole 2 (13) and is fixedly connected to a one-way valve 2 (15).

5. A negative pressure gastric tube drainage bottle according to claim 1, characterized in that, An annular sealing gasket (16) is adhered to the inner top wall of the bottle cap (2). When the bottle cap (2) is closed, the sealing gasket (16) can seal with the bottle body, thereby forming a sealed state inside the drainage bottle.