Wound drainage device
By setting up a mounting base, circular groove and positioning cylinder in the wound drainage device, the rapid replacement of the liquid tank is achieved, and the design of the adhesive layer, tearing film layer and double-sided adhesive ensures the firmness of the drain head and drainage pipe through the design of the adhesive layer, the tearing layer and the double-sided adhesive. Fixing solves the problem of low efficiency and inconvenience in replacing the liquid accumulation tank and fixed drainage head of the existing device, and improves the efficiency and effect of wound drainage.
Patent Information
- Application Number
- CN202420974199.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-08
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-05-08
AI Technical Summary
The existing wound drainage device is inefficient when replacing the liquid tank, which is inconvenient to use, and the drain head is not firmly fixed and has poor sealing effect. The drainage tube is prone to slip, affecting the smooth progress of wound drainage.
A wound drainage device is designed, and by setting up a mounting base and circular grooves on the right side wall of the negative pressure drainage device, the positioning cylinder is used to achieve rapid replacement of the liquid accumulation tank. At the same time, by setting an adhesive layer and tearing film on the sealing film, it is convenient to quickly fix the drain head and use double-sided adhesive to fix the drain tube to ensure it is firm on the patient's skin.
It realizes rapid replacement of the liquid accumulation tank, improves work efficiency and convenience of use, ensures firm fixation and sealing of the drain head, prevents the drainage tube from sliding down, and promotes the smooth progress of wound drainage.
Smart Images

Figure CN222467669U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of medical devices, in particular to a wound drainage device. Background Art
[0002] In clinical work, it is common for patients to have some pus, blood and other effusions in the wounds of the chest, abdomen, pelvis and trauma. If these effusions are not discharged from the wound in time, it will cause tissue wound infection and delayed healing. The current solution is generally to use a wound drainage device to drain the effusion, but the existing wound drainage device cannot quickly replace the effusion tank during use, which makes the work efficiency low and inconvenient to use; secondly, the drainage head cannot be quickly fixed to the wound, and the sealing effect is not good. In addition, the drainage tube lacks a structure to firmly fix it on the patient's skin during use, which makes the drainage tube easy to become unstable or slip during use, which is not conducive to the smooth drainage of the wound. Utility Model Content
[0003] The purpose of the utility model is to provide a wound drainage device to solve the technical problems raised in the above background technology.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a wound drainage device, comprising a negative pressure drainer and a drainage head, a mounting base is provided on the right side wall of the negative pressure drainer, a circular groove is provided on the top of the mounting base, a fluid collection tank is provided directly above the circular groove, a positioning cylinder is connected to the bottom of the fluid collection tank, the fluid collection tank is inserted into the circular groove on the top of the mounting base through the positioning cylinder at the bottom, a negative pressure tube is connected to the upper left end of the fluid collection tank, a connecting tube is provided on the right side of the negative pressure drainer and located at the front side of the fluid collection tank, one end of the negative pressure tube is connected to the connecting tube, a drainage tube is connected to the upper right end of the fluid collection tank, one end of the drainage tube is connected to the drainage head, a sealing film is provided around the outer side of the drainage head, an adhesive layer is provided at the bottom of the sealing film, a tear film layer is provided at the bottom of the adhesive layer, and a double-sided tape is provided on the drainage tube and at one end close to the drainage head.
[0005] As a preferred technical solution of the utility model, a drainage cavity is provided at the bottom of the drainage head, and one end of the drainage tube is connected to the top of the drainage head and is in communication with the drainage cavity.
[0006] As a preferred technical solution of the utility model, the positioning cylinder is matched with the circular groove on the top of the mounting base.
[0007] As a preferred technical solution of the utility model, the length of the double-sided tape is greater than the width of the sealing film, and the middle of the double-sided tape is bonded to the upper surface of one end of the drainage tube.
[0008] As a preferred technical solution of the utility model, the bottom of the drainage cavity and the bottom of the film tearing layer are on the same horizontal plane.
[0009] As a preferred technical solution of the present invention, the cross-sectional shape of the mounting base is a circular structure.
[0010] Compared with the prior art, the utility model has the following beneficial effects:
[0011] The utility model provides a mounting base, a circular groove and a positioning cylinder, and utilizes the mutual cooperation between them, so that the fluid collection tank can be quickly replaced, the work efficiency is improved, and it is convenient to use. In addition, an adhesive layer and a tear film layer are provided on one side of the sealing film, so that the drainage head can be quickly fixed on the wound surface, and the sealing effect is good.
[0012] The utility model provides double-sided adhesive tape on the drainage tube, so that the drainage tube can be firmly fixed on the patient's skin through the double-sided adhesive tape, thereby preventing the drainage tube from becoming unstable or slipping during use, which is beneficial to the smooth drainage of the wound. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:
[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0015] Figure 2 It is a schematic cross-sectional view of part of the structure of the utility model;
[0016] Figure 3 It is a schematic cross-sectional view of another part of the structure of the utility model;
[0017] Figure 4 It is a schematic diagram of the structure of the double-sided adhesive tape of the utility model when viewed from above.
[0018] In the figure: 1. Negative pressure drainage device; 2. Fluid accumulation tank; 3. Connecting pipe; 4. Negative pressure pipe; 5. Drainage pipe; 6. Drainage head; 7. Double-sided tape; 8. Adhesive layer; 9. Tear film layer; 10. Sealing film; 11. Drainage cavity; 12. Mounting base; 13. Positioning cylinder. DETAILED DESCRIPTION
[0019] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are only used to explain the relevant utility model, rather than to limit the utility model. It should also be noted that, for ease of description, only the parts related to the utility model are shown in the accompanying drawings. The different types of section lines in the drawings in the embodiments of the utility model are not marked according to the national standard, nor are there any requirements for the materials of the components, but are used to distinguish the cross-sectional views of the components in the drawings.
[0020] See also Figure 1-4 A wound drainage device comprises a negative pressure drainage device 1 and a drainage head 6. A mounting base 12 is arranged on the right side wall of the negative pressure drainage device 1. A circular groove is arranged on the top of the mounting base 12. A fluid collection tank 2 is arranged just above the circular groove. A positioning cylinder 13 is connected to the bottom of the fluid collection tank 2. The fluid collection tank 2 is inserted into the circular groove on the top of the mounting base 12 through the positioning cylinder 13 at the bottom. By utilizing the mutual cooperation between them, the fluid collection tank 2 can be quickly replaced, which improves the work efficiency and is convenient to use. A negative pressure tube 4 is connected to the upper left end of the fluid collection tank 2. A connecting tube 3 is provided on the right side and in front of the fluid accumulation tank 2, one end of the negative pressure tube 4 is connected to the connecting tube 3, a drainage tube 5 is connected to the upper right end of the fluid accumulation tank 2, one end of the drainage tube 5 is connected to the drainage head 6, a sealing film 10 is provided around the outer side of the drainage head 6, an adhesive layer 8 is provided at the bottom of the sealing film 10, and a tear film layer 9 is provided at the bottom of the adhesive layer 8. By arranging the adhesive layer 8 and the tear film layer 9 on one side of the sealing film 10, the drainage head 6 can be quickly fixed to the wound surface with good sealing effect, and a double-sided tape 7 is provided on the drainage tube 5 and at one end close to the drainage head 6.
[0021] Among them, a drainage cavity 11 is provided at the bottom of the drainage head 6, and the top of the drainage head 6 at one end of the drainage tube 5 is connected to the drainage cavity 11; the positioning cylinder 13 is adapted to the circular groove at the top of the mounting base 12; the length of the double-sided adhesive tape 7 is greater than the width of the sealing film 10, and the middle of the double-sided adhesive tape 7 is bonded to the upper surface of one end of the drainage tube 5. The double-sided adhesive tape 7 is provided so that the drainage tube 5 is firmly fixed on the patient's skin through the double-sided adhesive tape 7 to prevent the drainage tube 5 from being unstable or slipping during use, which is conducive to the smooth drainage of the wound; the bottom of the drainage cavity 11 is on the same horizontal plane as the bottom of the tear film layer 9. The cross-sectional shape of the mounting base 12 is a circular structure.
[0022] The working principle and use process of the utility model are as follows: when in use, the tear film layer 9 on one side of the adhesive layer 8 is peeled off, and then the drainage head 6 is aligned with the wound surface, and then the sealing film 10 is fixed to the patient's skin surface through the adhesive layer 8, and then the bottom seal of the double-sided adhesive 7 on the drainage tube 5 is peeled off, and the drainage tube 5 is firmly fixed to the patient's skin through the double-sided adhesive 7 to prevent the drainage tube 5 from being unstable or slipping during use, which is conducive to the smooth drainage of the wound surface. Finally, the negative pressure drainage device 1 is started, and the negative pressure pump in the negative pressure drainage device 1 generates negative pressure. The generated negative pressure will push the liquid from the body through the drainage tube 5 to the fluid accumulation tank 2 through the connecting tube 3 and the negative pressure tube 4; when the fluid accumulation tank 2 needs to be replaced, the connecting tube 3 and the negative pressure tube 4 are separated, and then pulled upward from the circular groove on the top of the mounting base 12 for replacement.
Claims
1. A wound drainage device, comprising a negative pressure drainer (1) and a drainage head (6), characterized in that: A mounting base (12) is provided on the right side wall of the negative pressure drain device (1), a circular groove is provided on the top of the mounting base (12), a liquid collection tank (2) is provided directly above the circular groove, a positioning cylinder (13) is connected to the bottom of the liquid collection tank (2), the liquid collection tank (2) is inserted into the circular groove on the top of the mounting base (12) through the positioning cylinder (13) at the bottom, a negative pressure tube (4) is connected to the upper left end of the liquid collection tank (2), and the right side of the negative pressure drain device (1) and the front side of the liquid collection tank (2) are provided. A connecting tube (3) is provided on the side, one end of the negative pressure tube (4) is connected to the connecting tube (3), the upper right end of the fluid accumulation tank (2) is connected to a drainage tube (5), one end of the drainage tube (5) is connected to a drainage head (6), a sealing film (10) is provided around the outer side of the drainage head (6), an adhesive layer (8) is provided at the bottom of the sealing film (10), a tear film layer (9) is provided at the bottom of the adhesive layer (8), and a double-sided tape (7) is provided on one end of the drainage tube (5) close to the drainage head (6).
2. A wound drainage device according to claim 1, characterized in that: A drainage cavity (11) is provided at the bottom of the drainage head (6), and one end of the drainage tube (5) is connected to the top of the drainage head (6) and is in communication with the drainage cavity (11).
3. A wound drainage device according to claim 1, characterized in that: The positioning cylinder (13) is adapted to the circular groove on the top of the mounting base (12).
4. A wound drainage device according to claim 1, characterized in that: The length of the double-sided adhesive tape (7) is greater than the width of the sealing film (10), and the middle of the double-sided adhesive tape (7) is bonded to the upper surface of one end of the drainage tube (5).
5. A wound drainage device according to claim 2, characterized in that: The bottom of the drainage cavity (11) and the bottom of the film tearing layer (9) are on the same horizontal plane.
6. A wound drainage device according to claim 1, characterized in that: The cross-sectional shape of the mounting base (12) is a circular structure.