Drainage catheter for preventing ascites side leakage

Abstract

The utility model relates to the technical field of drainage catheters, and discloses a drainage catheter for preventing ascites side leakage, which comprises a drainage tube, external threads are arranged on the outer wall of the drainage tube, the outer wall of the drainage tube is movably sleeved with an inner cylinder cover, the outer wall of the inner cylinder cover is fixedly sleeved with a soft rubber port, the outer wall of the soft rubber port is fixedly connected with an extension fixing patch, and the extension fixing patch is fixedly connected with a drainage tube. A pushing thread is arranged on the outer wall of the drainage tube, so that the inner cylinder cover on the device is attached to the abdomen of the human body through the soft rubber opening and the extending fixing patch, meanwhile, the inner cylinder cover is matched with the outer cylinder cover to form a closed space, and when an injection needle cylinder is used for air drawing in the closed environment, the air drawing effect is achieved. A negative pressure space is formed between the inner cylinder cover and the outer cylinder cover through the injection needle cylinder on the device, then the inner cylinder cover and the outer cylinder cover are more tightly attached to the skin of the human body, and after the inner cylinder cover and the outer cylinder cover are tightly attached to the human body, ascites is prevented from flowing out near the drainage opening through the soft rubber opening and the extension fixing patch.

Description

Technical Field

[0001] The utility model relates to the technical field of drainage catheters, in particular to a drainage catheter for preventing ascites side leakage. Background Art

[0002] The function of an ascites drainage catheter is to help the abdomen restore normal function and relieve the patient's symptoms and discomfort by draining the fluid accumulated in the abdominal cavity. It is usually made of soft and durable materials such as silicone or rubber. One end of the catheter is connected to a suction device, and the other end is inserted into the location of the fluid accumulation by puncturing the abdominal cavity. By draining ascites, the patient's abdominal distension symptoms can be relieved, breathing difficulties can be improved, and the quality of life can be improved.

[0003] The existing drainage catheter for preventing ascites side leakage can refer to the Chinese utility model patent with authorization announcement number CN213191560U, which discloses an ascites drainage device, "including an ostomy bag, a drainage tube, an ascites drainage bag catheter, an ascites drainage bag and an exudate drainage bag; the ostomy bag includes an ostomy bag chassis arranged at one end, the ostomy bag chassis is provided with a liquid outlet and a fixing ring, and the ostomy bag chassis extends downward to form an exudate drainage bag catheter; the end of the exudate drainage bag catheter away from the ostomy bag chassis is connected to the exudate drainage bag; the drainage tube is connected to the ascites drainage bag catheter, one end of the ascites drainage bag catheter is arranged in the exudate drainage bag catheter, the exudate drainage bag catheter is provided with a through hole for the ascites drainage bag catheter to pass through, and the end of the ascites drainage bag catheter away from the ostomy bag chassis is connected to the ascites drainage bag".

[0004] When the above device is in use, the existing device is provided with an ostomy bag, which can collect the fluid discharged from the ascites puncture site, effectively prevent the wound exudate from soiling the bed sheets and clothes, reduce the workload of medical staff and improve patient satisfaction. However, the existing device does not have measures to prevent side leakage near the drainage tube connected to the human skin, and when the device needs to be fixed on the human abdomen, a more convenient fixing and disassembly method is required to reduce the work pressure of medical staff. Therefore, a drainage catheter that prevents ascites side leakage and solves the above problems is needed. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a drainage catheter for preventing ascites side leakage, which has the advantages of strong practicality, preventing side leakage, and convenient fixation, and solves the problems raised by the above-mentioned background technology.

[0006] The utility model provides the following technical solution: a drainage catheter for preventing ascites lateral leakage, comprising a drainage tube, the outer wall of the drainage tube is provided with an external thread, the outer wall of the drainage tube is movably sleeved with an inner tube cover, the outer wall of the inner tube cover is fixedly sleeved with a soft rubber port, the outer wall of the soft rubber port is fixedly connected with an extension fixing patch, the outer wall of the drainage tube is provided with a pushing thread, the outer wall of the drainage tube is movably sleeved with an outer tube cover, the inner wall of the outer tube cover is sleeved with a sealing ring, the inner wall of the outer tube cover is sleeved with a manual pusher, the outer wall of the outer tube cover is fixedly connected with a connecting tube, the inner wall of the connecting tube is sleeved with an external tube, the end of the external tube away from the connecting tube is sleeved with an injection syringe, and the outer wall of the drainage tube is provided with a drainage port.

[0007] As a preferred technical solution of the utility model, the inner wall of the inner cylinder cover is provided with threads, and the inner cylinder cover is meshed with the external threads through the threads.

[0008] As a preferred technical solution of the utility model, the soft rubber mouth and the extension fixing patch are made of vulcanized rubber, and the soft rubber mouth and the extension fixing patch fit the abdominal skin of the human body.

[0009] As a preferred technical solution of the utility model, the sealing ring is arranged in the inner cavity of the outer tube cover, and the sealing ring is sleeved on the outer wall of the drainage tube.

[0010] As a preferred technical solution of the utility model, an injection rod is provided in the inner cavity of the injection syringe, and the injection rod can draw air in the inner cavity of the outer tube cover through the external tube and the connecting tube when stretched.

[0011] As a preferred technical solution of the utility model, the drainage port is opened at an end of the drainage tube away from the injection syringe, and the circumferential diameter of the drainage port is reduced.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. The drainage catheter for preventing ascites leakage is used in coordination with the inner tube cover, the outer tube cover, the soft rubber port and the extended fixing patch on the device, so that the inner tube cover on the device is fitted to the abdomen of the human body by the soft rubber port and the extended fixing patch, and the inner tube cover cooperates with the outer tube cover to form a closed space, and when the injection syringe is used to pump air in this closed environment, the injection syringe on the device forms a negative pressure space between the inner tube cover and the outer tube cover, thereby making the inner tube cover and the outer tube cover fit the human skin more closely, and after the inner tube cover and the outer tube cover are closely fitted to the human body, the soft rubber port and the extended fixing patch are used to prevent ascites from flowing out near the drainage port.

[0014] 2. The drainage catheter for preventing ascites leakage is used by the mutual cooperation of the injection syringe and the inner tube cover and the outer tube cover on the device. When the inner tube cover and the outer tube cover on the device cooperate with each other and are adsorbed on the human skin through negative pressure, the injection rod in the inner cavity of the injection syringe can be used to push inward, so that the injection syringe on the device can squeeze the space communicating with the injection syringe and the external tube and the outer tube cover, thereby relaxing the negative pressure space between the inner tube cover and the outer tube cover, and realizing rapid adsorption fixation and release of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the three-dimensional cross-sectional structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the drainage tube structure of the utility model;

[0018] Figure 4 It is a three-dimensional structural schematic diagram of the utility model from another angle.

[0019] In the figure: 1. Drainage tube; 2. External thread; 3. Inner tube cover; 4. Soft rubber mouth; 5. Extension fixing sticker; 6. Pushing thread; 7. Outer tube cover; 8. Sealing ring; 9. Manual pusher; 10. Connecting tube; 11. External tube; 12. Injection syringe; 13. Drainage port. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-4A drainage catheter for preventing ascites leakage comprises a drainage tube 1, an outer wall of the drainage tube 1 is provided with an outer thread 2, an inner tube cover 3 is movably sleeved on the outer wall of the drainage tube 1, a soft rubber port 4 is fixedly sleeved on the outer wall of the inner tube cover 3, an extension fixing patch 5 is fixedly connected to the outer wall of the soft rubber port 4, a pushing thread 6 is provided on the outer wall of the drainage tube 1, an outer tube cover 7 is movably sleeved on the outer wall of the drainage tube 1, a sealing ring 8 is sleeved on the inner wall of the outer tube cover 7, a manual pusher 9 is sleeved on the inner wall of the outer tube cover 7, a connecting tube 10 is fixedly connected to the outer wall of the outer tube cover 7, an external tube 11 is sleeved on the inner wall of the connecting tube 10, and the external tube 11 is sleeved on the outer wall of the external tube 11. The end away from the connecting tube 10 is sleeved with an injection syringe 12, and the outer wall of the drainage tube 1 is provided with a drainage port 13. Through the cooperation of the manual pusher 9, the outer tube cover 7, and the advancing thread 6 on the device, after the inner tube cover 3 is attached to the skin and the soft rubber port 4 and the extended fixing patch 5 are used to make the outer tube cover 7 close to the abdomen of the human body, and then the threaded connection of the manual pusher 9 and the advancing thread 6 is used to push the outer tube cover 7 to fit the abdomen of the human body, so that the outer tube cover 7 on the device fits the abdominal skin of the human body and forms a closed space in cooperation with the inner tube cover 3.

[0022] In a preferred embodiment, the inner wall of the inner tube cover 3 is provided with a thread, and the inner tube cover 3 is meshed with the external thread 2 through the thread. The inner wall of the inner tube cover 3 on the device is provided with a thread, so that the drainage tube 1 on the device is threadedly connected with the inner tube cover 3 using the external thread 2 on the outer wall, and while the inner tube cover 3 is threadedly connected with the external thread 2, the inner tube cover 3 on the device is rotated and moved from right to left along the external thread 2.

[0023] In a preferred embodiment, the soft rubber opening 4 and the extension fixing patch 5 are made of vulcanized rubber, and the soft rubber opening 4 and the extension fixing patch 5 fit the abdominal skin of the human body. Due to the characteristics of the vulcanized rubber used in the soft rubber opening 4 and the extension fixing patch 5 on the device, the soft rubber opening 4 and the extension fixing patch 5 on the device have excellent elasticity and softness, and the extension fixing patch 5 is used to extend the outer wall of the soft rubber opening 4, so that medical staff can use items such as medical tape to fit the extension fixing patch 5 on the human abdomen.

[0024] In a preferred embodiment, the sealing ring 8 is arranged in the inner cavity of the outer tube cover 7, and the sealing ring 8 is sleeved on the outer wall of the drainage tube 1. The sealing ring 8 on the device is arranged in the inner cavity of the outer tube cover 7, so that the sealing ring 8 on the device is pushed by the manual pusher 9 in the inner cavity of the outer tube cover 7, and the sealing ring 8 is squeezed between the inner wall of the outer tube cover 7 and the outer wall of the manual pusher 9 and is accompanied by a certain change, so that the sealing ring 8 on the device performs a sealing effect between the outer tube cover 7, the manual pusher 9 and on the outer wall of the pushing thread 6.

[0025] In a preferred embodiment, an injection rod is provided in the inner cavity of the injection syringe 12, and the injection rod can draw the air in the inner cavity of the outer tube cover 7 through the external tube 11 and the connecting tube 10 when stretched. By providing the injection rod in the inner cavity of the injection syringe 12 on the device, the injection syringe 12 on the device is stretched by the injection rod, and utilizes the connection between the injection syringe 12 and the inner cavity of the external tube 11, the connecting tube 10, and the outer tube cover 7, so that when the injection rod is stretched, the air in the inner cavity of the outer tube cover 7 is drawn, thereby causing a negative pressure effect in the inner cavity of the outer tube cover 7.

[0026] In a preferred embodiment, the drainage port 13 is opened at the end of the drainage tube 1 away from the injection syringe 12, and the circumferential diameter at the drainage port 13 is reduced. By opening the drainage port 13 on the device at the end of the drainage tube 1 away from the injection syringe 12, when the drainage tube 1 on the device is extended into the human abdomen using the drainage port 13, the contracted diameter of the drainage port 13 is used to make it easier to access the human abdominal cavity, and then the diameter of the drainage port 13 is used to perform the ascites drainage operation.

[0027] The working principle is that the inner tube cover 3, the outer tube cover 7, the soft rubber port 4 and the extension fixing patch 5 on the device are used in coordination with each other, so that the inner tube cover 3 on the device is attached to the abdomen of the human body by using the soft rubber port 4 and the extension fixing patch 5, and the inner tube cover 3 cooperates with the outer tube cover 7 to form a closed space, and when the injection syringe 12 is used to pump air in this closed environment, the injection syringe 12 on the device forms a negative pressure space between the inner tube cover 3 and the outer tube cover 7, thereby making the inner tube cover 3 and the outer tube cover 7 more closely attached to the human skin, and when the inner tube cover 3 and the outer tube cover 7 are closely attached to the human body Afterwards, the soft rubber mouth 4 and the extended fixing patch 5 are used to prevent ascites from flowing out near the drainage port 13, and then the injection syringe 12 on the device is used in coordination with the inner tube cover 3 and the outer tube cover 7, so that the inner tube cover 3 and the outer tube cover 7 on the device cooperate with each other and are adsorbed on the human skin through negative pressure. The injection rod in the inner cavity of the injection syringe 12 can be pushed inward, so that the injection syringe 12 on the device can squeeze the space communicating with the external tube 11 and the outer tube cover 7, thereby relaxing the negative pressure space between the inner tube cover 3 and the outer tube cover 7, and realizing rapid adsorption, fixation and release of the device.

[0028] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A drainage catheter for preventing ascites leakage, comprising a drainage tube (1), characterized in that: The outer wall of the drainage tube (1) is provided with an external thread (2), the outer wall of the drainage tube (1) is movably sleeved with an inner tube cover (3), the outer wall of the inner tube cover (3) is fixedly sleeved with a soft rubber port (4), the outer wall of the soft rubber port (4) is fixedly connected with an extension fixing patch (5), the outer wall of the drainage tube (1) is provided with a pushing thread (6), the outer wall of the drainage tube (1) is movably sleeved with an outer tube cover (7), the inner wall of the outer tube cover (7) is sleeved with a sealing ring (8), the inner wall of the outer tube cover (7) is sleeved with a manual pusher (9), the outer wall of the outer tube cover (7) is fixedly connected with a connecting tube (10), the inner wall of the connecting tube (10) is sleeved with an external tube (11), the end of the external tube (11) away from the connecting tube (10) is sleeved with an injection syringe (12), and the outer wall of the drainage tube (1) is provided with a drainage port (13).

2. A drainage catheter for preventing ascites leakage according to claim 1, characterized in that: The inner wall of the inner cylinder cover (3) is provided with a thread, and the inner cylinder cover (3) is meshed with the outer thread (2) through the thread.

3. A drainage catheter for preventing ascites leakage according to claim 1, characterized in that: The soft rubber mouth (4) and the extension fixing patch (5) are made of vulcanized rubber, and the soft rubber mouth (4) and the extension fixing patch (5) fit the abdominal skin of the human body.

4. A drainage catheter for preventing ascites leakage according to claim 1, characterized in that: The sealing ring (8) is arranged in the inner cavity of the outer tube cover (7), and the sealing ring (8) is sleeved on the outer wall of the drainage tube (1).

5. A drainage catheter for preventing ascites leakage according to claim 1, characterized in that: An injection rod is arranged in the inner cavity of the injection syringe (12), and when the injection rod is stretched, the air in the inner cavity of the outer tube cover (7) can be drawn through the external tube (11) and the connecting tube (10).

6. A drainage catheter for preventing ascites leakage according to claim 1, characterized in that: The drainage port (13) is opened at one end of the drainage tube (1) away from the injection syringe (12), and the circumferential diameter at the drainage port (13) is reduced.

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