Disposable double-cavity air bag drainage tube
By fitting an airbag at the bottom of the drainage tube and filling it with water to form a trapezoidal double-lumen airbag drainage tube, the problem of drainage tube slippage is solved, achieving stable fixation and safe removal, reducing patient pain and medical costs.
Patent Information
- Application Number
- CN202520271781.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-20
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-02-20
AI Technical Summary
Existing drainage tubes are prone to slippage when treating pleural and peritoneal effusions, resulting in unstable fixation, increased patient pain and hospitalization costs, and the dressings become wetted by exudate, affecting the fixation effect.
A disposable double-lumen airbag drainage tube was designed. An airbag is installed at the bottom of the drainage tube and water is injected through the water inflation tube to inflate the airbag, forming a trapezoidal structure to increase the contact area with the abdomen and fix the drainage tube.
It effectively prevents the drainage tube from slipping out, reducing patient pain and hospitalization costs. At the same time, the material is soft and does not affect movement, and the airbag can deflate and drain water on its own, allowing for safe removal without damaging the abdominal wall.
Smart Images

Figure CN223799981U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to drainage tube technical field, concretely relates to a disposable double cavity air bag drainage tube. BACKGROUND
[0002] According to the China National Cancer Center release: 2023 China's cancer patients lung cancer ranks first, liver cancer male patients third, mortality rates are respectively ranks first, second, cancer has become the first cause of death of Chinese residents, most of the primary and secondary lung cancer, liver cancer patients in advanced stage will appear chest water, ascites (hereinafter chest ascites chest water, ascites, this paper mainly ascites puncture is an example), during the treatment, often through the drainage tube to put chest water treatment, put abdominal water treatment, and
[0003] And chest ascites is affected by the influence of water volume each time, patients have chest ascites volume, pressure, chest wall abdominal wall thin and other factors, chest ascites to the drainage tube orifice exudation, cover and fixed drainage tube and so on the exudate wet, fixed invalid easily lead to the risk of drainage tube accidental slip, and when the drainage tube accidental slip, need to reset the drainage tube to the patient, lead to the increase of the hospitalization expenses of the patient, increase the pain, thereby bring bad experience to the patient. SUMMARY
[0004] The utility model discloses a disposable double cavity air bag drainage tube to solve the problem in the background art.
[0005] To achieve the above object, the utility model provides the following technical scheme: a disposable double cavity air bag drainage tube, comprising:
[0006] Drainage tube, one end of the drainage tube is connected with the cavity adapter, one end of the cavity adapter bottom is connected with the connecting pipe, the one end of the connecting pipe in the cavity adapter is connected with the drainage tube, the bottom surface of the drainage tube is equipped with the air bag for filling and blocking the inside of the abdomen, the other end of the cavity adapter bottom is connected with the water filling pipe, the one end of the water filling pipe in the cavity adapter is connected with the air bag through the pipeline, so that the water filling pipe fills water in the pipeline to make the air bag fill.
[0007] Preferably, the inner tube is arranged in the drainage tube, and two ends of the inner tube are connected with the air bag and the water filling pipe respectively.
[0008] Preferably, the air bag is trapezoidal after being filled with water.
[0009] Preferably, the one end of the drainage tube is provided with a plurality of drainage holes.
[0010] Preferably, the surface of the connecting pipe is provided with a connector.
[0011] Preferably, one end of the water filling pipe is provided with a water filling connector, and a filter element is arranged in the water filling connector.
[0012] Preferably, the air bag is provided with a scale line.
[0013] Preferably, the drainage tube, the air bag and the inner tube are made of polyurethane or silica gel material.
[0014] Compared with the prior art, the utility model has the beneficial effects that:
[0015] The double-cavity air bag drainage tube, one cavity is used for inserting abdominal drainage liquid, and the other cavity is connected with the air bag through the inner tube, the air bag is filled with 2-3 ml water at the scale line interval of 18-20 cm of the air bag (the scale lines of the air bag are 18 cm, 19 cm and 20 cm from top to bottom), 2 cm water is injected after puncture, the air bag is filled around the drainage tube, the diameter of the air bag at the 20 cm scale line is greater than the diameter of the air bag at the 18 cm scale line, thereby forming a slope and a trapezoid, the air bag is contacted with the inner side of the abdomen by pulling the drainage tube outward, thereby increasing the contact area of the drainage tube and the inner side of the abdomen, increasing the fixing coefficient, and further better fixing the drainage tube and preventing accidental slipping.
[0016] The drainage tube, the air bag and the inner tube are made of polyurethane or silica gel material, are marked with scale lines, can be radiologically developed, are soft and elastic, have small irritability to skin, do not affect body movement and daily life, and when the air bag pressure reaches the limit, can be drained outward through the water filling pipe, the air bag is automatically deflated, the drainage tube is safely pulled out, and the abdominal wall is not damaged. BRIEF DESCRIPTION OF DRAWINGS
[0017] Fig. 1 It is a structural schematic view of the utility model;
[0018] Fig. 2 It is a structural schematic view of the utility model after the air bag is filled;
[0019] Fig. 3 It is a structural schematic view of the drainage hole of the utility model.
[0020] In the drawing: 1, drainage tube; 2, cavity adapter; 3, connecting pipe; 4, air bag; 5, water filling pipe; 6, inner tube; 7, drainage hole; 8, connecting head; 9, water filling connector; 10, filter element; 11, regulating valve; 12, scale line. DETAILED DESCRIPTION
[0021] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of the utility model protection.
[0022] The utility model provides a kind of disposable double-cavity air bag drainage tube as Figs. 1-3 As shown in a kind of disposable double-cavity air bag drainage tube, comprising:
[0023] Drainage tube 1, one end of the drainage tube 1 is connected with cavity adapter 2, one end of the cavity adapter 2 bottom is connected with connecting pipe 3, one end in the cavity adapter 2 of the connecting pipe 3 is connected with drainage tube 1, the surface of the drainage tube 1 bottom is equipped with air bag 4 for filling and blocking the inside of abdomen, the other end of the cavity adapter 2 bottom is connected with water filling pipe 5, one end in the cavity adapter 2 of the water filling pipe 5 is connected with air bag 4 by pipeline, so that water filling pipe 5 fills water in pipeline to make air bag 4 fill.
[0024] The inner tube 6 is arranged in the drainage tube 1, and the two ends of the inner tube 6 are connected with the air bag 4 and the water filling pipe 5 respectively.
[0025] One end of the drainage tube 1 is provided with a plurality of drainage holes 7, and one drainage hole 7 with a maximum diameter of 0.5 cm is arranged every 1 cm before the head end 5 cm of the drainage tube 1, and the drainage hole 7 at the head end is arranged to achieve the purpose of drainage.
[0026] The surface of the connecting pipe 3 is provided with a connecting head 8, the connecting head 8 can be connected with external drainage equipment, and the accumulated water in the chest and abdomen is drained out through the drainage tube 1.
[0027] One end of the water filling pipe 5 is provided with a water filling connector 9, and the water filling connector 9 is provided with a filter element 10, the surface of the water filling pipe 5 is provided with an adjusting valve 11, the filter material in the filter element 10 is PTFE microporous membrane, the water injected into the air bag 4 through the water filling connector 9 can be filtered, to avoid that a large number of bacteria, viruses and other microorganisms in the hospital environment enter the air bag 4 along with the water flow, and breed in the warm and humid environment in the air bag 4, to cause local infection.
[0028] The adjusting valve 11 can accurately adjust the water amount entering the air bag 4 according to the different physical conditions and operation conditions of different patients.
[0029] The surface of the air bag 4 is provided with a scale line 12, the scale line 12 on the surface of the air bag 4 is 18 cm, 19 cm and 20 cm from top to bottom in sequence, and the air bag 4 is trapezoidal after being filled with water.
[0030] The drainage tube 1, the air bag 4 and the inner tube 6 are made of polyurethane or silica gel material.
[0031] The disposable double-lumen air bag drainage tube, one lumen drainage tube 1 is inserted into the abdominal drainage liquid, the other lumen is connected with the air bag 4 through the inner tube 6, and the air bag 4 is filled with water in the 18-20cm scale line 12 interval (the scale line 12 of the air bag 4 is 18cm, 19cm, 20cm from top to bottom) through the water filling connector 9 and the external water filling pipe 5, and water is injected into the water filling pipe 5, the water in the water filling pipe 5 flows into the air bag 4 through the inner tube 6, and the air bag 4 is filled with 2-3ml of water, and the conventional water injection is 2cm after puncture, the air bag 4 surrounds the drainage tube 1, and the diameter of the air bag 4 at the 20cm scale is greater than that at the 18cm scale, thereby forming a slope and a trapezoidal shape, the drainage tube 1 is pulled out to make the air bag 4 contact the inner side of the abdomen, thereby increasing the contact area between the drainage tube 1 and the inner side of the abdomen, increasing the fixation coefficient, and further better fixing the drainage tube 1 to prevent accidental slipping.
[0032] The drainage tube 1, the air bag 4 and the inner tube 6 are made of polyurethane or silica gel material, are marked with scales, can be radiologically developed, are soft and elastic, have little irritation to the skin, do not affect the body movement, daily life, the surface of the air bag 4 is smooth and flat before water injection, and is gradually thickened from the 18cm scale line 12 to the 20cm scale line 12, does not affect puncture, and when the air bag 4 pressure reaches the limit, water can be discharged outward through the water filling pipe 5, the air bag 4 is self-deflated, and the drainage tube 1 is safely pulled out without damaging the abdominal wall.
[0033] Finally, it should be pointed out that the above only describes the preferred embodiments of the present application and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement for some technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A disposable dual lumen balloon catheter, characterized in that, The utility model relates to a drainage tube with air bag and water filling pipe, which is characterized by the following technical scheme: The drainage tube (1) is connected with a cavity adapter (2) at one end, the bottom of the cavity adapter (2) is connected with a connecting pipe (3), one end of the connecting pipe (3) in the cavity adapter (2) is connected with the drainage tube (1), the bottom surface of the drainage tube (1) is equipped with an air bag (4) for filling and blocking the inner side of the abdomen, the other end of the bottom of the cavity adapter (2) is connected with a water filling pipe (5), one end of the water filling pipe (5) in the cavity adapter (2) is connected with the air bag (4) through a pipe, so that the water filling pipe (5) fills water into the pipe to make the air bag (4) full.
2. The disposable dual lumen balloon catheter according to claim 1, wherein: The drainage tube (1) is equipped with an inner tube (6), and both ends of the inner tube (6) are connected with the air bag (4) and the water filling pipe (5) respectively.
3. The disposable dual lumen balloon catheter according to claim 1, wherein: The air bag (4) is in the shape of a trapezoid after being filled with water.
4. The disposable dual lumen balloon catheter according to claim 1, wherein: One end of the drainage tube (1) is equipped with a plurality of drainage holes (7).
5. The disposable dual lumen balloon catheter according to claim 1, wherein: The surface of the connecting pipe (3) is equipped with a connector (8).
6. The dual lumen balloon catheter according to claim 1, wherein: One end of the water filling pipe (5) is equipped with a water filling connector (9), the water filling connector (9) is equipped with a filter element (10), and the surface of the water filling pipe (5) is equipped with an adjusting valve (11).
7. The disposable dual lumen balloon catheter according to claim 1, wherein: The surface of the air bag (4) is equipped with a scale line (12).
8. The dual lumen balloon catheter according to claim 2, wherein: The drainage tube (1), the air bag (4) and the inner tube (6) are made of polyurethane or silica gel material.