Double-cavity chest drainage tube
By incorporating an infiltration hole and an expandable balloon at the end of the double-lumen chest drainage tube, the problem of exudation is solved, achieving effective leakage control and improved patient comfort.
Patent Information
- Application Number
- CN202423112280.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2034-12-17
AI Technical Summary
Existing double-lumen chest drainage tubes are prone to leakage when patients move around, which can contaminate wounds and clothing, increase the workload of medical staff, and cause anxiety for patients.
A double-lumen chest drainage tube is designed with an infiltration hole at the end and an inflatable balloon. By filling the balloon with liquid, the balloon expands and fits tightly against the outer wall of the drainage tube to block leakage and prevent seepage.
It effectively prevents exudation, reduces patient anxiety, simplifies the nursing process, and reduces the workload of medical staff.
Smart Images

Figure CN223930476U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of thoracic surgery auxiliary facilities, specifically a double-lumen thoracic drainage tube. Background Technology
[0002] Thoracic drainage is a surgical procedure performed through an incision in the chest wall to place a catheter in the pleural cavity to drain gas or fluid. Intercostal drainage involves inserting a catheter through the intercostal space; bed drainage involves removing a section of rib and inserting a larger catheter through the costal bed; closed drainage involves connecting the outer end of the catheter to a drainage bottle below the fluid level, allowing fluid or gas to be drained from the pleural cavity without returning; and open drainage involves the drainage catheter communicating directly with the outside environment.
[0003] According to a search of existing Chinese patent number 201220335729.0 for a double-lumen chest drainage tube, postoperative chest drainage for lung cancer is prone to leakage at the tube opening due to the patient's thin physique or inadequate suturing at the insertion site. Even with proper fixation, excessive leakage can occur if the patient is very active or coughs forcefully. This leakage can also contaminate the wound, clothing, and bedding, causing psychological burden on the patient and increasing the workload of medical staff. Utility Model Content
[0004] The purpose of this invention is to address the shortcomings of existing technologies by providing a double-lumen chest drainage tube to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a double-lumen chest drainage tube, comprising a chest drainage tube, wherein the end surface of the chest drainage tube is provided with an infiltration hole, and a balloon is slidably sleeved on the outside of the infiltration hole at the end of the chest drainage tube, the inside of the balloon is hollow, and the outer wall of the end of the chest drainage tube is seamlessly fitted with the inner wall of the balloon, and a port is fixedly connected to the top of the chest drainage tube.
[0006] As a preferred embodiment of this utility model, a guide tube is fixedly connected inside the port, and a spring is sleeved inside the port on the outer wall surface of the guide tube, which maximizes the control capability of the overall device and ensures the practicality of the overall device.
[0007] As a preferred technical solution of this utility model, a pressure head is movably connected to the top of the port, and the bottom surface of the pressure head is fixedly connected to the top of the spring, which effectively enhances the stability of each component and strengthens the support of the overall device.
[0008] As a preferred technical solution of this utility model, both the chest drainage tube and the balloon are made of transparent soft silicone material, which better protects the use of the overall device from being affected and enhances the practicality of operating the overall device.
[0009] As a preferred technical solution of this utility model, the top end of the guide tube and the center of the pressure head are on the same vertical line, and the interiors of both the guide tube and the pressure head are hollow, which better enhances the balance of the overall device and effectively improves the flexibility of the overall device.
[0010] As a preferred technical solution of this utility model, the port is a conical column with a larger top and a smaller bottom, and the interior of the port is hollow, which further enhances the operability of the overall device and ensures its firmness and stability during use.
[0011] As a preferred technical solution of this utility model, the balloon is slidably attached to the outer wall surface of the drainage tube, with the maximum distance located near the tail end of the drainage tube, which better enhances the flexibility of the overall device and improves the user experience.
[0012] Compared with the prior art, the beneficial effects of this utility model are:
[0013] This double-lumen chest drainage tube connects to an external needle via its port, allowing fluid to be injected into the tube through the needle. The end of the tube, through a leakage hole, is used to inflate a balloon. Because the inner wall of the balloon adheres tightly to the outer wall of the tube, it effectively blocks and expands the patient's pleural cavity. This close contact also prevents leakage of fluid from the balloon into the patient's pleural cavity. This design allows for flexible control of the entire device, enhancing its practicality and better preventing leakage and slippage at the tube insertion site. It also alerts medical staff or the patient to take appropriate measures, reducing patient anxiety. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the overall appearance and structure of the present utility model;
[0015] Figure 2 This is a schematic diagram of the port structure of this utility model;
[0016] Figure 3 This is a schematic diagram illustrating the cross-sectional structure of the balloon of this utility model.
[0017] In the diagram: 1. Chest drainage tube; 2. Port; 3. Guide tube; 4. Pressure head; 5. Spring; 6. Balloon; 7. Infiltration port. Detailed Implementation
[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0019] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0020] like Figure 1-3 As shown, this embodiment provides a double-lumen chest drainage tube, including a chest drainage tube 1. The end surface of the chest drainage tube 1 is provided with an infiltration hole 7, and a balloon 6 is slidably sleeved on the outside of the infiltration hole 7 at the end of the chest drainage tube 1. The inside of the balloon 6 is hollow, and the outer wall of the end of the chest drainage tube 1 is seamlessly fitted with the inner wall of the balloon 6. The top of the chest drainage tube 1 is fixedly connected to a port 2.
[0021] Furthermore, a guide tube 3 is fixedly connected inside port 2, and a spring 5 is sleeved inside port 2 on the outer wall surface of the guide tube 3. By matching the various components of the overall device during use, the coordination of the overall device is enhanced.
[0022] Furthermore, a pressure head 4 is movably connected to the top of port 2, and the bottom surface of the pressure head 4 is fixedly connected to the top of the spring 5, which further enhances the fit strength of the overall device during use and avoids the situation of asymmetrical component matching during the use of the overall device.
[0023] Furthermore, both the chest drainage tube 1 and the balloon 6 are made of transparent soft silicone, which more effectively enhances the matching and coordination of various components during operation and effectively reduces the probability of various unexpected situations that may occur during use.
[0024] Furthermore, the top of the guide tube 3 and the center of the pressure head 4 are on the same vertical line, and the interiors of both the guide tube 3 and the pressure head 4 are hollow. Based on the existing structure, they jointly support the overall device, enhance the coordination performance of the overall device during use, and improve the durability of the overall device during use.
[0025] Furthermore, the shape of port 2 is a conical column that is larger at the top and smaller at the bottom, and the interior of port 2 is hollow, which can effectively ensure the stability of the center of gravity of the entire device and meet the requirements of long-term use of the device.
[0026] Furthermore, the balloon 6 is slidably attached to the outer wall surface of the drainage tube 1, with the maximum distance located near the tail end of the drainage tube 1, which effectively enhances the overall device's performance and increases its ease of use.
[0027] The usage method of this embodiment is as follows: When using it, please refer to... Figure 1-3 First, medical staff need to extend and insert the end of the chest drainage tube 1 carrying the balloon 6 into the patient's pleural cavity. Under the influence of breathing and gravity, the end of the chest drainage tube 1 carrying the balloon 6 is positioned at the location of the lesion. Then, medical staff manually connect the syringe filled with liquid to port 2. By inserting and fixing the end of the syringe to the tip of the pressure head 4, the pressure head 4 is pressed down inside port 2, causing the spring 5 to contract under pressure. This opens the connection between the pressure head 4 and the guide tube 3, and pushes the liquid in the syringe into the chest drainage tube 1. Because the end of the chest drainage tube 1, located where it is covered by the balloon 6, has an infiltration hole 7, the liquid inside the syringe is filled into the balloon 6 through the infiltration hole 7, causing the balloon 6 to inflate and then be fixed inside the patient's pleural cavity. When draining fluid from the patient's pleural cavity, the chest drainage tube 1 slowly shifts outward due to respiratory movements and gravity. The balloon 6 acts as a barrier, keeping the patient's pleural cavity in a state of expansion. Because the inner wall of the balloon 6 is tightly attached to the surface of the chest drainage tube 1, the fluid inside the balloon 6 cannot leak during the displacement of the chest drainage tube 1, facilitating the work of medical staff. After the balloon 6 is inflated, the inner wall of the balloon 6 remains tightly attached to the outer wall of the chest drainage tube 1. After the balloon 6 moves, medical staff can drain the accumulated fluid from the patient's body through the permeation hole 7. When it is necessary to remove the chest drainage tube 1, the medical staff reposition the balloon 6, allowing the fluid inside to be drained again through the permeation hole 7, causing the balloon 6 to shrink and facilitating the removal of the chest drainage tube 1 from the patient's body.
[0028] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A double-lumen chest drainage tube, comprising a chest drainage tube (1), characterized in that: The end surface of the chest drainage tube (1) is provided with an infiltration hole (7), and the end of the chest drainage tube (1) is slidably sleeved with a balloon (6) outside the infiltration hole (7). The inside of the balloon (6) is hollow, and the outer wall of the end of the chest drainage tube (1) is seamlessly fitted with the inner wall of the balloon (6). The top end of the chest drainage tube (1) is fixedly connected with a port (2).
2. The double-lumen chest drainage tube according to claim 1, characterized in that: A guide tube (3) is fixedly connected inside the port (2), and a spring (5) is sleeved inside the port (2) and on the outer wall surface of the guide tube (3).
3. A double-lumen chest drainage tube according to claim 2, characterized in that: The top of the port (2) is movably connected to a pressure head (4), and the bottom surface of the pressure head (4) is fixedly connected to the top of the spring (5).
4. A double-lumen chest drainage tube according to claim 1, characterized in that: Both the chest drainage tube (1) and the balloon (6) are made of transparent soft silicone.
5. A double-lumen chest drainage tube according to claim 3, characterized in that: The top of the guide tube (3) and the center of the pressure head (4) are on the same vertical line, and the interiors of both the guide tube (3) and the pressure head (4) are hollow.
6. A double-lumen chest drainage tube according to claim 1, characterized in that: The port (2) is a conical column with a larger top and a smaller bottom, and the interior of the port (2) is hollow.
7. A double-lumen chest drainage tube according to claim 1, characterized in that: The balloon (6) is slidably attached to the outer wall surface of the chest drainage tube (1), with the maximum distance being located near the tail of the chest drainage tube (1).
Citation Information
Patent Citations
Double-cavity intrathoracic drainage tube
CN202637683U