Antibacterial, anti-adhesion and anti-coagulation drainage tube
By setting an antibacterial and anti-adhesion coating on the outer wall of the drainage tube and an anticoagulant coating on the inner wall, the problems of easy infection, adhesion and coagulation of the drainage tube are solved, and efficient drainage and safety are improved.
Patent Information
- Application Number
- CN202422149178.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-03
- Publication Date
- 2025-10-28
- Estimated Expiration
- 2034-09-03
AI Technical Summary
Existing drainage tubes are prone to infection, easy to adhere to tissues, and bloody fluid in the tubes is easy to coagulate, making tube removal difficult and increasing the risk of infection.
An antibacterial and anti-adhesion coating is set on the outer wall of the drainage tube and an anticoagulant coating is set on the inner wall. Combined with the hydrophilic coating, the antibacterial and anticoagulant properties are improved and the risk of infection and adhesion is reduced.
It reduces the chances of internal infection and wound infection, reduces the difficulty of tube removal, avoids blockage of drainage tubes, and improves safety and drainage effect.
Smart Images
Figure CN223474261U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of medical device technology, and in particular to an antibacterial, anti-adhesion, and anticoagulant drainage tube. Background Technology
[0002] A drainage tube is a medical device used in clinical surgery to drain pus, blood, and fluid accumulated between body tissues or in body cavities, preventing postoperative infection and promoting wound healing. In use, one end of the drainage tube is inserted into the body or the drainage site of the wound, while the other end is externally connected to other external devices such as a drainage connector. Drainage is achieved through pressure from within the body, gravity, or negative pressure suction.
[0003] Cranial drainage tubes are generally made of materials such as silicone rubber or polyurethane, which lack antibacterial properties. During drainage, infection can easily occur in the wound cavity and within the body, leading to delayed wound healing and increasing the difficulty of treatment. Furthermore, due to illness, surgery, or other reasons, cranial drainage tubes are sometimes left in place for extended periods, making the inner segment of the tube prone to adhesion to tissues, resulting in difficulty in removal and increased patient suffering. Moreover, because of the prolonged placement of the drainage tube, bloody fluid within the tube is prone to coagulation, potentially blocking the tube and preventing effective drainage of accumulated fluid, increasing the risk of infection. Based on these issues, there is an urgent need to develop an antibacterial, anti-adhesion, and anticoagulant drainage tube. Utility Model Content
[0004] The purpose of this application is to provide an antibacterial, anti-adhesion, and anticoagulant drainage tube, which aims to solve the technical problems of existing drainage tubes, such as easy infection, easy adhesion to tissues, and easy coagulation of bloody fluid inside the tube.
[0005] This application provides an antibacterial, anti-adhesion, and anticoagulant drainage tube, including a tube body, a drainage hole on the side wall of the tube body, an antibacterial and anti-adhesion coating on the outer wall of the tube body, and an anticoagulant coating on the inner wall of the tube body.
[0006] In one embodiment, a hydrophilic coating is further provided on the inner and outer walls of the tube body, the hydrophilic coating being located between the antibacterial and anti-adhesion coating and the tube body, and between the anticoating coating and the tube body.
[0007] In one embodiment, the tube body is a tubular structure with one end closed and the other end open, and the drainage hole is disposed on the side wall of the tube body near its closed end.
[0008] In one embodiment, the drainage holes are divided into several groups, and the drainage holes in each group are arranged along the length direction of the tube body, with adjacent groups of drainage holes being staggered.
[0009] In one embodiment, the drainage hole is an irregularly shaped opening.
[0010] In one embodiment, an expansion layer is provided on the outer side of the closed end of the tube, the end face of the expansion layer is connected to the outer wall of the tube to form a cavity, and the expansion layer is disposed above the drainage hole.
[0011] In one embodiment, the expansion layer is an elastic material.
[0012] In one embodiment, the tube body is provided with an inflation tube, one end of which is connected to the cavity, and the other end of which extends to the outside of the tube body.
[0013] In one embodiment, the tube body has scale markings on its side wall.
[0014] In one embodiment, the open end of the tube is provided with a connector, and the connector is provided with a protective cap.
[0015] This invention provides an antibacterial, anti-adhesion, and anticoagulant drainage tube. Compared with existing technologies, its advantages are as follows: By applying an antibacterial and anti-adhesion coating to the outer wall of the tube, the antibacterial properties of the drainage tube are improved, reducing the chance of internal and wound infections. Furthermore, the antibacterial and anti-adhesion coating inhibits adhesion between the drainage tube and tissue, reducing the difficulty of tube removal and minimizing patient discomfort. By applying an anticoagulant coating to the inner wall of the tube, the bloody fluid inside the drainage tube is prevented from easily coagulating and clotting, thus improving drainage effectiveness, reducing the risk of infection, and enhancing safety. This invention features a simple structure, easy operation, good antibacterial and anti-adhesion properties, good anticoagulant properties, good drainage effect, high safety, and high practicality. Attached Figure Description
[0016] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0017] Figure 1 This is a schematic diagram of the structure of an antibacterial, anti-adhesion, and anticoagulant drainage tube provided in one embodiment of this application;
[0018] Figure 2 for Figure 1 The diagram shows an enlarged cross-sectional view of the antibacterial, anti-adhesion, and anticoagulant drainage tube.
[0019] Figure 3 for Figure 1The diagram shows a BB cross-sectional structure of the antibacterial, anti-adhesion, and anticoagulant drainage tube.
[0020] Figure 4 for Figure 3 The enlarged structural diagram of point C of the antibacterial, anti-adhesion, and anticoagulant drainage tube is shown.
[0021] Explanation of symbols in the diagram:
[0022] 1. Tube body; 2. Drainage hole; 3. Antibacterial and anti-adhesion coating; 4. Anti-coagulant coating; 5. Hydrophilic coating; 6. Expansion layer; 7. Inflation tube; 8. Scale markings; 9. Connector; 10. Protective cap. Detailed Implementation
[0023] To make the technical problems, technical solutions, and beneficial effects to be solved by this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and are not intended to limit the scope of this application.
[0024] It should be noted that when a component is referred to as being "fixed" or "set" to another component, it can be directly or indirectly attached to that other component. When a component is referred to as being "connected" to another component, it can be directly or indirectly connected to that other component.
[0025] It should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and should not be construed as indicating or implying that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this application. Furthermore, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.
[0026] Please see Figure 1 This is a schematic diagram of an antibacterial, anti-adhesion, and anticoagulant drainage tube provided in one embodiment of this application. For ease of explanation, only the parts relevant to this embodiment are shown, and are described in detail below:
[0027] In one embodiment, please refer to Figure 2An antibacterial, anti-adhesion, and anticoagulant drainage tube is disclosed, comprising a tube body 1, a drainage hole 2 on the side wall of the tube body 1, an antibacterial and anti-adhesion coating 3 on the outer wall of the tube body 1, and an anticoagulant coating 4 on the inner wall of the tube body 1. By providing the antibacterial and anti-adhesion coating 3 on the outer wall of the tube body 1, the antibacterial properties of the drainage tube are improved, reducing the probability of internal and wound infections. Furthermore, the antibacterial and anti-adhesion coating 3 can inhibit adhesion between the drainage tube and tissue, reducing the difficulty of tube removal and minimizing patient discomfort. By providing the anticoagulant coating 4 on the inner wall of the tube body 1, the blood in the drainage tube is prevented from easily coagulating and clotting the drainage tube, thus improving drainage effectiveness, reducing the risk of infection, and enhancing safety.
[0028] For details, please refer to Figure 2 The antibacterial and anti-adhesion coating 3 includes polydopamine chitosan coating, hydrogel coating, etc., which can effectively kill or inhibit bacterial growth, reduce the chance of infection, and also have a good anti-adhesion effect, which can reduce the adhesion between the drainage tube and the tissue. The anticoagulant coating 4 includes heparin coating, argatroban coating, etc., which can effectively inhibit the coagulation of bloody fluid in the drainage tube and prevent the drainage tube from being blocked.
[0029] In one embodiment, please refer to Figure 2 The inner and outer walls of the tube body 1 are also coated with a hydrophilic coating 5, which is located between the antibacterial and anti-adhesion coating 3 and the tube body 1, and between the anticoagulant coating 4 and the tube body 1. The hydrophilic coating 5 is a biocompatible hydrophilic polymer coating, including polyacrylamide, polyvinylpyrrolidone, etc. The hydrophilic coating 5 can make the surface of the drainage tube very lubricated, thereby reducing the friction between the drainage tube and the tissue, avoiding possible friction damage, infection and other complications, and also improving the ease of operation for medical staff and the comfort of patients.
[0030] In one embodiment, please refer to Figure 1 and Figure 3 The tube body 1 is a tubular structure with one end closed and the other end open. The drainage hole 2 is located on the side wall of the tube body 1 near its closed end. Setting the tube body 1 as a tubular structure helps to reduce the frictional resistance between the drainage tube and the tissue, making the insertion and removal of the drainage tube smoother.
[0031] In one embodiment, please refer to Figure 1 and Figure 3The drainage holes 2 are divided into several groups, with each group of drainage holes 2 arranged along the length of the tube body 1, and adjacent groups of drainage holes 2 are staggered. The multiple groups of drainage holes 2 can increase the drainage rate of accumulated fluid. Even if some drainage holes are blocked by highly viscous tissue fluid, some drainage holes can still drain, improving the drainage effect. The staggered distribution of the drainage holes 2 can increase the strength of the drainage tube, preventing breakage at the drainage hole location. This extends the service life of the drainage tube and prevents broken parts from remaining in the body and causing safety accidents, thus improving safety.
[0032] In one embodiment, please refer to Figure 1 and Figure 3 The drainage hole 2 is an irregularly shaped opening, which can be oval or other shapes, depending on the specific working conditions.
[0033] In one embodiment, please refer to Figure 1 and Figures 3-4 An expansion layer 6 is provided on the outer side of the closed end of the tube body 1. The end face of the expansion layer 6 is connected to the outer wall of the tube body 1 to form a cavity. The expansion layer 6 is located above the drainage hole 2. When the cavity is filled with gas, the expansion layer 6 is in an expanded state, which can compress the bleeding point to stop the bleeding.
[0034] In one embodiment, please refer to Figure 1 and Figures 3-4 The expansion layer 6 is an elastic material made of medical-grade silicone. When the expansion layer 6 is inflated, it expands. When the gas is removed, the expansion layer 6 returns to its original state due to its elasticity, making it easy to insert or remove the drainage tube.
[0035] In one embodiment, please refer to Figure 1 and Figures 3-4 The tube body 1 is equipped with an inflation tube 7. One end of the inflation tube 7 is connected to the cavity, and the other end of the inflation tube 7 extends to the outside of the tube body 1. The other end of the inflation tube 7 is connected to an inflation device such as a syringe or an air cylinder for inflating the cavity.
[0036] In one embodiment, please refer to Figure 1 The tube body 1 has a scale mark 8 on its side wall; the scale mark 8 makes it easy for medical staff to grasp the insertion depth of the drainage tube, so as to achieve accurate drainage and improve the drainage effect.
[0037] In one embodiment, please refer to Figure 1 The tube body 1 has a connector 9 at its open end, and a protective cap 10 is provided on the connector 9; the connector 9 is used in conjunction with the connector of the guide needle to facilitate puncture.
[0038] The following combination Figures 1-4 The working process of the antibacterial, anti-adhesion, and anticoagulant drainage tube of this application is described as follows:
[0039] During drainage, the guide needle is first inserted into the drainage tube. Under the guidance of the guide needle, the drainage tube is inserted into the intracranial fluid accumulation site. The insertion depth is determined by the scale mark 8 on the tube body 1. Then, the drainage device is connected to the open end of the drainage tube. Under the action of intracranial high pressure, the intracranial fluid will flow into the tube body 1 through the drainage hole 2, and then flow into the drainage device from the open end of the tube body 1, thereby realizing the drainage of the fluid.
[0040] When applying pressure to stop bleeding, connect the other end of the inflation tube 7 to an inflation device such as a syringe or air cylinder, inflate the cavity with air, so that the expansion layer 6 is in an expanded state, and press it on the bleeding point to stop the bleeding. After use, remove the gas from the cavity through the inflation tube 7, and the expansion layer 6 will return to its original state due to its elasticity, making it easy to insert or remove the drainage tube.
[0041] The drainage tube of this application not only has the functions of rapidly draining accumulated fluid and compressing to stop bleeding, but also has the functions of injecting drugs and flushing.
[0042] In summary, this invention provides an antibacterial, anti-adhesion, and anticoagulant drainage tube. By applying an antibacterial and anti-adhesion coating to the outer wall of the tube, the antibacterial properties of the drainage tube are improved, reducing the chance of internal and wound infections. Furthermore, the antibacterial and anti-adhesion coating inhibits adhesion between the drainage tube and tissue, reducing the difficulty of tube removal and minimizing patient discomfort. By applying an anticoagulant coating to the inner wall of the tube, the bloody fluid inside the drainage tube is prevented from clotting due to coagulation mechanisms, thus improving drainage effectiveness, reducing the risk of infection, and enhancing safety. This invention features a simple structure, easy operation, excellent antibacterial and anti-adhesion properties, good anticoagulant performance, good drainage effect, high safety, and high practicality, making it widely applicable in the field of medical device technology.
[0043] The above-described embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application, and should all be included within the protection scope of this application.
Claims
1. An antibacterial, anti-adhesion, and anticoagulant drainage tube, comprising a tube body (1), wherein a drainage hole (2) is provided on the side wall of the tube body (1), characterized in that, The outer wall of the tube body (1) is provided with an antibacterial and anti-adhesion coating (3), and the inner wall of the tube body (1) is provided with an anti-coagulation coating (4). An expansion layer (6) is provided on the outer side of the closed end of the tube (1). The end face of the expansion layer (6) is connected to the outer wall of the tube (1) to form a cavity. The expansion layer (6) is located above the drainage hole (2). An inflation tube (7) is provided inside the tube (1). One end of the inflation tube (7) is connected to the cavity, and the other end of the inflation tube (7) extends to the outside of the tube (1). The expansion layer (6) is made of elastic material.
2. The antibacterial, anti-adhesion, and anticoagulant drainage tube according to claim 1, characterized in that, The inner and outer walls of the tube (1) are also provided with a hydrophilic coating (5), which is located between the antibacterial and anti-adhesion coating (3) and the tube (1) and between the anticoating coating (4) and the tube (1).
3. The antibacterial, anti-adhesion, and anticoagulant drainage tube according to claim 1, characterized in that, The tube body (1) is a tubular structure with one end closed and the other end open, and the drainage hole (2) is located on the side wall of the tube body (1) near its closed end.
4. The antibacterial, anti-adhesion, and anticoagulant drainage tube according to claim 1, characterized in that, The drainage holes (2) are divided into several groups. The drainage holes (2) in each group are arranged along the length direction of the tube body (1), and the drainage holes (2) in adjacent groups are staggered.
5. The antibacterial, anti-adhesion, and anticoagulant drainage tube according to claim 1, characterized in that, The drainage hole (2) is an irregularly shaped opening.
6. The antibacterial, anti-adhesion, and anticoagulant drainage tube according to claim 1, characterized in that, The tube (1) has scale markings (8) on its side wall.
7. The antibacterial, anti-adhesion, and anticoagulant drainage tube according to claim 3, characterized in that, The pipe body (1) has a connector (9) at its open end, and a protective cap (10) is provided on the connector (9).