Drainage tube assembly with fixed dressing

By designing a drainage tube assembly with a fixing dressing, and utilizing a negative pressure bag and a one-way valve tube structure, the problems of drainage tube blockage and unstable fixation were solved, thereby improving drainage stability and patient comfort.

CN223569829UActive Publication Date: 2025-11-21ZHEJIANG LINGYANG MEDICINE EQUIP CO LTD
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Patent Information

Application Number
CN202422519863.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-17
Publication Date
2025-11-21
Estimated Expiration
2034-10-17

AI Technical Summary

Technical Problem

Existing drainage tubes are prone to blockage after blood coagulation and are not easily fixed, causing pain and discomfort to patients. The operation is complicated and depends on the experience of medical staff.

Method used

A drainage tube assembly with a fixed dressing was designed, including an outer tube and an inner tube. One end of the outer tube is connected to a negative pressure bag, and the dressing ring is attached to the outside of the wound. The inner tube reduces movement under negative pressure. Combined with a one-way valve tube and a reservoir, it achieves unidirectional flow and stable fixation of exudate.

Benefits of technology

It improves the stability of the drainage tube, reduces patient pain and discomfort, simplifies the operation process, and reduces the risk of exudate backflow and infection.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223569829U_ABST
    Figure CN223569829U_ABST
Patent Text Reader

Abstract

The utility model provides a drainage tube assembly with fixed dressing, which comprises an outer tube body and an inner tube body inserted into the body, one end of the outer tube body is provided with a negative pressure bag, the other end of the outer tube body is connected with a liquid storage box, the negative pressure bag comprises a dressing pasting ring and a negative pressure sealing bag, one side of the dressing pasting ring and the negative pressure sealing bag form a sealing cavity, and the negative pressure sealing bag is connected with the negative pressure bag. The inner tube body is arranged at the center of the dressing pasting ring, one end of the outer tube body is inserted into the sealing cavity, the other side of the dressing pasting ring is sticky, the negative pressure bag is pasted on the outer side of a wound by arranging the negative pressure bag and arranging the dressing pasting ring on the negative pressure bag, and the movement amplitude of the inner tube body is reduced when the outer tube body is touched by separating the outer tube body from the inner tube body; the stability of the inner tube body is improved, so that the pain and discomfort of a patient are reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to medical apparatus and equipment especially, relate to a drainage tube assembly with fixed dressing. BACKGROUND

[0002] At present, the patent no. CN204246662U discloses a drainage tube, including the main pipe and two branch pipes, two branch pipes one end and main pipe intercommunication, the main pipe is provided with main pipe switch, the main pipe switch controls the intercommunication of main pipe and two branch pipes, thereby solves the problem of need to stay two drainage tubes, it is convenient to flush the wound.

[0003] The above patent still has the problem that wound drainage is to make the exudate flow out of the drainage tube to speed up the recovery rate, but sometimes the mixture of blood and exudate flows out, and when the blood coagulates, it becomes a blood clot and remains in the drainage tube, causing the drainage tube to be blocked and unable to perform normal drainage. At this time, medical staff usually need to pull out the blood clot. The existing operation method is to pinch the drainage tube above the blood clot and then pull out the blood clot. This method requires higher experience of medical staff. The fixing stability between the general drainage tube and the skin is poor, and improper operation can easily cause the drainage tube to be pulled to some extent, causing pain and discomfort of the patient. UTILITY MODEL CONTENT

[0004] Therefore, the utility model aims at providing a drainage tube assembly with fixed dressing, which has the advantages of stable fixation.

[0005] To solve the above technical problems, the technical scheme of the utility model is as follows: a drainage tube assembly with fixed dressing, comprising an outer tube body and an inner tube body inserted into the body, one end of the outer tube body is provided with a negative pressure bag, the other end of the outer tube body is connected with a liquid storage box, the negative pressure bag comprises a dressing ring and a negative pressure sealing bag, one side of the dressing ring forms a sealed cavity with the negative pressure sealing bag, the inner tube body is arranged at the center of the dressing ring, one end of the outer tube body is inserted into the sealed cavity, and the other side of the dressing ring has adhesion.

[0006] Through the above technical means, by setting the negative pressure bag and the dressing ring on the negative pressure bag, the negative pressure bag is attached to the outside of the wound, the outer tube body and the inner tube body are separated, so as to reduce the movement amplitude of the inner tube body when the outer tube body is moved, increase the stability of the inner tube body, and reduce the pain and discomfort of the patient.

[0007] Preferably, the liquid storage box is made of transparent silica gel, the liquid storage box is further provided with a liquid outlet, the liquid outlet is further provided with a sealing plug, and the surface of the liquid storage box is further provided with a liquid level mark.

[0008] Through the technical means, the liquid storage box is made of transparent silica gel, so that the liquid storage box automatically rebounds after deformation, the liquid outlet is arranged, and the sealing plug is arranged at the liquid outlet, so that the liquid storage box is compressed and the sealing plug is plugged, thereby creating a negative pressure environment, and the exudate is sucked out from the wound.

[0009] Preferably, the outer tube body comprises a bag tube, a one-way valve tube and a box tube, the one-way valve tube is arranged between the bag tube and the box tube, the bag tube is inserted into the negative pressure bag, the box tube is in communication with the liquid storage box, and the one-way valve tube is provided with a one-way assembly.

[0010] Through the technical means, the one-way valve tube and the one-way assembly are arranged, so that the backflow of the exudate is reduced, and the phenomenon that the exudate flows back to the wound is avoided.

[0011] Preferably, the one-way assembly comprises a limiting column and a ball, the one-way valve tube is provided with an inclined hole, and the two sides of the inclined hole are respectively a liquid inlet and a liquid outlet, the ball abuts against the limiting column when the exudate flows from the liquid inlet to the liquid outlet, and the ball abuts against the side wall of the inclined hole when the exudate flows from the liquid outlet to the liquid inlet.

[0012] Through the technical means, the position of the ball is limited by the limiting column to prevent the ball from falling out, and the one-way flow of the exudate is realized through the cooperation of the inclined hole and the ball.

[0013] Preferably, a tapered hole is arranged at the end of the bag tube, a tapered tube is arranged at the side end of the one-way valve tube, the tapered hole cooperates with the tapered tube, a clasp one is arranged outside the tapered tube, a ring groove one is arranged in the tapered hole, and the clasp one is matched with the ring groove one.

[0014] Through the technical means, the cooperation between the tapered hole and the tapered tube increases the matching degree between the bag tube and the one-way valve tube, and the cooperation between the clasp one and the ring groove one increases the connection strength and prevents falling off.

[0015] Preferably, a water-absorbing cotton layer is further arranged between the tapered hole and the tapered tube, and the water-absorbing cotton layer is fixed to the inner side of the tapered hole.

[0016] Through the technical means, the connection sealing property between the bag tube and the one-way valve tube is further increased through the water-absorbing cotton layer.

[0017] Preferably, the other side of the negative pressure bag is further provided with a cleaning interface, a plug is arranged at the end of the cleaning interface, a rubber strip is arranged between the tail of the plug and the side wall of the cleaning interface, a clasp two is arranged on the plug, and a ring groove two matched with the clasp two is arranged in the cleaning interface.

[0018] Through the technical means, the wound is cleaned through the arrangement of the cleaning interface, the exudate is diluted to reduce infection, and the exudate is prevented from flowing out of the cleaning interface through the plug. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of an embodiment;

[0020] Figure 2 for Figure 1 Schematic diagram of Part A;

[0021] Figure 3 for Figure 1 A schematic diagram of part B.

[0022] Reference numerals: 1. Outer tube; 2. Inner tube; 3. Negative pressure bag; 4. Liquid storage box; 5. Dressing ring; 6. Negative pressure sealing bag; 7. Discharge port; 8. Sealing plug; 9. Bag tube; 10. One-way valve tube; 11. Box tube; 12. Limiting post; 13. Ball bearing; 14. Liquid inlet; 15. Liquid outlet; 16. Inclined hole; 17. Conical hole; 18. Conical tube; 19. Snap ring one; 20. Ring groove one; 21. Absorbent cotton layer; 22. Cleaning interface; 23. Plug; 24. Rubber strip; 25. Snap ring two; 26. Ring groove two. Detailed Implementation

[0023] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings, so that the technical solution of this utility model can be more easily understood and mastered.

[0024] A drainage tube assembly with a fixing dressing includes an outer tube 1 and an inner tube 2 inserted into the body. Both the outer tube 1 and the inner tube 2 are made of silicone rubber. One end of the outer tube 1 is provided with a negative pressure bag 3, and the other end of the outer tube 1 is connected to a reservoir 4. The negative pressure bag 3 includes a dressing ring 5 and a negative pressure sealing bag 6. The dressing ring 5 has an adhesive outer side. When the dressing ring 5 is applied to the body, one side of the dressing ring 5 and the negative pressure sealing bag 6 form a sealed cavity. The inner tube 2 is located in the center of the dressing ring 5 and is connected to the dressing ring 5. One end of the outer tube 1 is inserted into the sealed cavity. When the inner tube 2 is inserted into the wound and the dressing ring 5 adheres to the skin, touching or slightly pulling the outer tube 1 has little impact on the inner tube 2, thereby reducing the patient's pain and discomfort.

[0025] The storage box 4 is made of transparent silicone and has a drain port 7. A sealing plug 8 is also provided at the drain port 7. The surface of the storage box 4 is also marked with a liquid level for easy observation of the amount of seepage. When it is necessary to absorb the seepage fluid, the sealing plug 8 is opened and the storage box 4 is squeezed, causing the storage box 4 to deform to a certain extent and block the drain port 7. At this time, due to the elasticity of the silicone, the storage box 4, the outer tube 1, the negative pressure bag 3 and the inner tube 2 are all in a negative pressure state, thereby absorbing the seepage fluid. After absorbing part of the seepage fluid, the storage box 4 returns to its original state and the pressure is balanced. At the same time, the negative pressure state can inhibit the growth of bacteria.

[0026] The outer tube body 1 comprises a bag tube 9, a one-way valve tube 10 and a box tube 11, the one-way valve tube 10 is arranged between the bag tube 9 and the box tube 11, the bag tube 9 is inserted into the negative pressure bag 3, the box tube 11 is communicated with the liquid storage box 4, the one-way valve tube 10 is provided with a one-way assembly, the one-way assembly comprises a limiting column 12 and a ball 13, the one-way valve tube 10 is provided with an inclined hole 16, the limiting column 12 is transversely arranged in the inclined hole 16, the distance from the limiting column 12 to the side of the inclined hole 16 is less than the diameter of the ball 13, so as to limit the ball 13 from leaving this area, the two sides of the inclined hole 16 are respectively a liquid inlet 14 and a liquid outlet 15, when the infiltrated liquid flows from the liquid inlet 14 to the liquid outlet 15, the ball 13 abuts against the limiting column 12, when the infiltrated liquid flows from the liquid outlet 15 to the liquid inlet 14, the ball 13 abuts against the side wall of the inclined hole 16, and the one-way flow of the infiltrated liquid is combined with the negative pressure state.

[0027] The bag tube 9 is provided with a tapered hole 17 at the end, the one-way valve tube 10 is provided with a tapered tube 18 at the side end, the tapered hole 17 is matched with the tapered tube 18, so as to reduce the assembly precision, the one-way valve tube 10 is provided with a snap ring 19 outside the tapered tube 18, the tapered hole 17 is provided with a ring groove 20 inside, the snap ring 19 is matched with the ring groove 20, so as to increase the mounting stability and prevent the bag tube 9 and the one-way valve tube 10 from being easily separated, the tapered hole 17 and the tapered tube 18 are further provided with a water-absorbing cotton layer 21, the water-absorbing cotton layer 21 is fixed inside the tapered hole 17, the connection sealing property between the bag tube 9 and the one-way valve tube 10 is further increased through the water-absorbing cotton layer 21, when the blood clot is blocked at the one-way valve tube 10, only the one-way valve tube 10 needs to be replaced, and the pain of the patient is reduced.

[0028] The negative pressure bag 3 is further provided with a cleaning interface 22 at the other side, the cleaning interface 22 is provided with a plug 23 at the end, the plug 23 is provided with a rubber strip 24 between the tail and the side wall of the cleaning interface 22, the plug 23 is provided with a snap ring 25, the cleaning interface is provided with a ring groove 26 matched with the snap ring 25, when the wound needs to be cleaned and diluted, the plug 23 is opened and the cleaning liquid is injected inward, so that the liquid enters the wound and flows out from the outer tube body 1, and the cleaning of the wound is realized.

[0029] Of course, the above is only a typical example of the present application, in addition to this, the present application can have other various specific implementation manners, and the technical solutions formed by equivalent replacement or equivalent transformation all fall within the scope required to be protected by the present application.

Claims

1. A drainage tube assembly with a securement dressing, characterized by: The utility model provides a negative pressure bag, which comprises an outer tube (1) and an inner tube (2) inserted into the outer tube (1), one end of the outer tube (1) is provided with a negative pressure bag (3), the other end of the outer tube (1) is connected with a liquid storage box (4), the negative pressure bag (3) comprises a dressing ring (5) and a negative pressure sealing bag (6), one side of the dressing ring (5) forms a sealed cavity with the negative pressure sealing bag (6), the inner tube (2) is arranged at the center of the dressing ring (5), one end of the outer tube (1) is inserted into the sealed cavity, and the other side of the dressing ring (5) is adhesive.

2. A drainage tube assembly with a securement dressing according to claim 1, wherein: The liquid storage box (4) is made of transparent silica gel, a liquid outlet (7) is further arranged on the liquid storage box (4), a sealing plug (8) is further arranged at the liquid outlet (7), and liquid level marks are further arranged on the surface of the liquid storage box (4).

3. A drainage tube assembly with a securement dressing according to claim 2, wherein: The outer tube (1) comprises a bag tube (9), a one-way valve tube (10) and a box tube (11), the one-way valve tube (10) is arranged between the bag tube (9) and the box tube (11), the bag tube (9) is inserted into the negative pressure bag (3), the box tube (11) is in communication with the liquid storage box (4), and the one-way valve tube (10) is provided with a one-way assembly.

4. A drainage tube assembly with a securement dressing according to claim 3, wherein: The one-way assembly comprises a limiting column (12) and a ball (13), the one-way valve tube (10) is provided with an inclined hole (16), the two sides of the inclined hole (16) are respectively provided with a liquid inlet (14) and a liquid outlet (15), when the liquid flows from the liquid inlet (14) to the liquid outlet (15), the ball (13) abuts against the limiting column (12), and when the liquid flows from the liquid outlet (15) to the liquid inlet (14), the ball (13) abuts against the side wall of the inclined hole (16).

5. A drainage tube assembly with a securement dressing according to claim 3, wherein: The end of the bag tube (9) is provided with a tapered hole (17), the side end of the one-way valve tube (10) is provided with a tapered tube (18), the tapered hole (17) is matched with the tapered tube (18), the outer side of the tapered tube (18) is provided with a clasp (19), the inner side of the tapered hole (17) is provided with a ring groove (20), and the clasp (19) is matched with the ring groove (20).

6. A drainage tube assembly with a securement dressing according to claim 5, wherein: A water absorption cotton layer (21) is further arranged between the tapered hole (17) and the tapered tube (18), and the water absorption cotton layer (21) is fixed to the inner side of the tapered hole (17).

7. A drainage tube assembly with a securement dressing according to claim 1, wherein: The other side of the negative pressure bag (3) is further provided with a cleaning interface (22), the end of the cleaning interface (22) is provided with a plug (23), a rubber strip (24) is arranged between the tail of the plug (23) and the side wall of the cleaning interface (22), the plug (23) is provided with a clasp (25), and the inside of the cleaning interface is provided with a ring groove (26) matched with the clasp (25).

Citation Information

Patent Citations

  • Drainage tube

    CN204246662U