Drainage tube with balloon
By introducing the design of positioning airbag and blocking ring airbag into the urine drainage tube, and combining the guide tube and microfluidic tube, the problems of drainage tube slippage and urine leakage are solved, the stability and disinfection function of the drainage tube are achieved, and the patient's usage experience and safety are improved.
Patent Information
- Application Number
- CN202511082997.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-04
- Publication Date
- 2025-10-03
AI Technical Summary
Existing urine drainage tubes are prone to slipping and leaking urine during use, causing discomfort and infection risks.
A drainage tube with a positioning airbag and a blocking ring airbag was designed. The airbag was pressed against the urethra by tightening the spring. Combined with the design of the drainage tube and microfluidic tube, the stable drainage of urine was ensured, and the urethra was continuously disinfected by injecting disinfectant.
It effectively prevents the drainage tube from slipping, reduces urine leakage, improves safety and comfort of use, reduces the risk of infection, and enhances the stability and reliability of the drainage tube.
Smart Images

Figure CN120733228A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of medical devices, in particular to a drainage tube with a balloon. Background Art
[0002] A urinary drain is a medical device that is often used to drain urine and help patients urinate more efficiently in certain situations. It is usually a flexible tube that is inserted into the bladder and drains urine through the urethra or externally to the body. For patients who are unable to urinate on their own (for example, due to surgery, illness, or injury), a urinary drain can help drain urine efficiently. The drain allows healthcare providers to monitor the patient's urine volume and urine characteristics, which is important for evaluating kidney function or disease progression. For patients who have increased bladder pressure due to urinary tract obstruction or other problems, a drain can help relieve symptoms and prevent complications. After certain surgical procedures, a urinary drain may be used to ensure that urine drains smoothly and reduce the risk of complications.
[0003] Urine drainage tubes currently on the market typically achieve urine drainage through a simple drainage tube design. A major problem with this design is that the drainage tube is prone to falling off during use. To address this issue, some improved drainage tubes have been designed with a balloon that sits inside the patient's bladder and is designed to prevent the tube from slipping by inflating to create a stable fixation. However, this balloon-based design is not completely problem-free in actual use. When the patient performs daily activities or walks, the balloon may be squeezed by the body, forming a tiny gap between the balloon and the bladder wall. This gap can cause urine to leak from the bladder, resulting in urinary incontinence. This not only causes discomfort and embarrassment to the patient, but also poses a safety risk of infection. Summary of the Invention
[0004] In view of the shortcomings of the existing technology, the present invention provides a drainage tube with a balloon, which solves the problem of urine leakage risk in the existing drainage tubes.
[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a drainage tube with a balloon, comprising a drainage pipe and a receiving hose, one end of the drainage pipe being fixedly connected to an inlet head, a large one-way valve being fixedly provided on the drainage pipe body away from the inlet head, a positioning airbag being fixedly provided on the drainage pipe body near the inlet head, a support plate being fixedly provided on the drainage pipe body near the positioning airbag, and a blocking annular airbag being fixedly provided on the outer ring of the support plate;
[0006] A No. 1 trachea is provided through the inner wall of the drainage pipe body located inside the positioning airbag, a No. 2 trachea is connected between the blocking annular airbag and the No. 1 trachea, an injection tube is provided through the blocking annular airbag and the drainage pipe, an annular non-woven fabric is embedded in the center of one side of the blocking annular airbag close to the entry head, and two microfluidic tubes are provided between the annular non-woven fabric and the receiving hose;
[0007] Protective tubes are fixedly installed at the center of the front inner wall and the rear inner wall of the drainage pipe between the blocking annular airbag and the positioning airbag, a tensioning spring is fixedly installed between the two ends of the protective tube, a guide tube is arranged between the support plate and the drainage pipe, and a small one-way valve is arranged on the tube body of the guide tube.
[0008] Preferably, a plurality of liquid inlet holes are provided on the outer surface of the entry head, the entry head is made of silicone material, and the accommodating hose is located inside the blocking annular airbag and is annular in shape.
[0009] Preferably, the support plate and the entry head are respectively located on both sides of the positioning airbag, and the drainage pipe and the protective tube are both configured as transparent hoses.
[0010] Preferably, one end of the No. 1 trachea is arranged to penetrate the interior of the positioning airbag, and the other end of the No. 1 trachea extends to a position close to the large one-way valve and penetrates the drainage pipe to the outside of the drainage pipe.
[0011] Preferably, one end of the injection tube is located inside the drainage pipe, extends to near the large one-way valve, and passes through the drainage pipe to the outside of the drainage pipe, and the other end of the injection tube passes through to the inside of the accommodating hose.
[0012] Preferably, the drainage pipe is made of polyethylene material, and the outer wall and inner wall of the drainage pipe are embedded with a developing line, and the developing line is set to be blue.
[0013] Working principle: When in use, first insert the entry head into the bladder through the patient's urethra. At this time, the positioning airbag is located in the bladder, and the blocking annular airbag is located outside the patient's body. Then use the air pump to connect to the No. 1 trachea, inject gas into the No. 1 trachea, and the gas in the No. 1 trachea flows into the blocking annular airbag through the No. 2 trachea, and at the same time, it also enters the positioning airbag, causing the blocking annular airbag and the positioning airbag to expand, and the positioning airbag plays a role in preventing it from falling off. At the same time, the blocking annular airbag is located outside the body and is tightly attached to the urethra. Under the tension of the tensioning spring, the blocking annular airbag and the positioning airbag are close to each other. Due to the obstruction of the patient's body, the blocking annular airbag and the positioning airbag are tightly attached to each other in the patient's urethra. When the patient moves, even if there is slight urine leakage, it will be stored on the supporting plate inside the blocking annular airbag, and finally guided into the drainage pipe through the diversion tube, and then discharged;
[0014] Secondly, first connect the pump body with the injection tube, and inject a corresponding amount of disinfectant or other medicine into the containing hose. Since the blocking annular airbag is filled with an airbag, it is inevitable that there will be squeezing during movement, which increases the pressure inside the blocking annular airbag. The pressure will squeeze the containing hose, causing a part of the disinfectant in the containing hose to be squeezed out and drained to the annular non-woven fabric using a microfluidic tube. After the annular non-woven fabric absorbs the disinfectant, it can achieve continuous disinfection of the patient's urethra, thereby increasing safety.
[0015] The present invention provides a drainage tube with a balloon, which has the following beneficial effects:
[0016] The present invention provides a drainage tube with a balloon. When the present invention is used, first, the entry head is inserted into the bladder through the patient's urethra, so that the positioning airbag is firmly located in the patient's body. At the same time, the blocking annular airbag is located outside the patient's body. Its design uses a group of tensioning springs to enable the positioning airbag and the blocking annular airbag to be fully close to each other and tightly attached to the patient's urethral outlet. This design effectively prevents the drainage tube from slipping and ensures that the tube remains stably positioned when the patient is active. During this process, even if the patient has slight urine leakage due to movement or violent movements, the leaked urine will only flow into the support plate above the blocking annular airbag. Subsequently, the urine will continue to be drained into the drainage pipe through the guide tube, ensuring the safe discharge of urine. This design greatly improves the safety and comfort of the patient in daily use of the drainage tube. In addition, by connecting the external pump to the injection tube, a predetermined amount of disinfectant can be injected into the containing hose. When the blocking annular airbag is squeezed due to daily activities, the internal air pressure increases. This pressure will exert force on the containing hose located in the airbag, causing a small amount of disinfectant to be effectively sprayed onto the annular non-woven fabric through the microfluidic tube. After absorbing the disinfectant, the annular non-woven fabric can continue to disinfect the patient's urethral outlet, thereby significantly reducing the risk of infection. This function not only facilitates nursing operations, but also improves the patient's usage experience and enhances the overall safety and reliability of the drainage tube system. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a schematic diagram of the front view axonometric view of the present invention;
[0018] Figure 2 It is a rear axle-side schematic diagram of the present invention;
[0019] Figure 3 This is a schematic bottom-section axial view of the present invention;
[0020] Figure 4 This is a schematic diagram of the cross-section of the present invention;
[0021] Figure 5For the present invention Figure 3 A in the middle is an enlarged schematic diagram;
[0022] Figure 6 For the present invention Figure 4 Enlarged schematic diagram of point B in the middle.
[0023] Among them, 1. Drainage pipe; 2. Positioning airbag; 3. Blocking annular airbag; 4. Support pallet; 5. No. 1 air pipe; 6. Large one-way valve; 7. Injection pipe; 8. Guide pipe; 9. Entry head; 10. Liquid inlet hole; 11. Development line; 12. Protective tube; 13. Tension spring; 14. No. 2 air pipe; 15. Microfluidic tube; 16. Accommodating hose; 17. Annular non-woven fabric. DETAILED DESCRIPTION
[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0025] like Figure 1-6 As shown, an embodiment of the present invention provides a drainage tube with a balloon, comprising a drainage pipe 1 and a accommodating hose 16, one end of the drainage pipe 1 is fixedly connected to an entry head 9, a large one-way valve 6 is fixedly provided on the body of the drainage pipe 1 away from the entry head 9, a positioning airbag 2 is fixedly provided on the body of the drainage pipe 1 near the entry head 9, a support plate 4 is fixedly provided on the body of the drainage pipe 1 near the positioning airbag 2, and a blocking annular airbag 3 is fixedly provided on the outer ring of the support plate 4.
[0026] The combined design of the positioning balloon 2 and the blocking annular balloon 3 ensures the stability of the drainage tube during use, reducing the risk of dislodging. The large one-way valve 6 allows urine to flow out in one direction, preventing backflow and ensuring effective urination. The entry tip 9 is made of a soft and biocompatible silicone material, reducing discomfort during insertion. The support plate 4 and the surrounding blocking annular balloon 3 provide enhanced external support for the tube, reducing slippage during movement.
[0027] A No. 1 trachea 5 is provided on the inner wall of the drainage pipe 1 located inside the positioning airbag 2, a No. 2 trachea 14 is connected between the blocking annular airbag 3 and the No. 1 trachea 5, an injection tube 7 is provided between the blocking annular airbag 3 and the drainage pipe 1, and an annular non-woven fabric 17 is embedded in the center of one side of the blocking annular airbag 3 close to the entry head 9, and two microfluidic tubes 15 are provided between the annular non-woven fabric 17 and the accommodating hose 16.
[0028] The layout of the No. 1 and No. 2 tracheal tubes 5 and 14 facilitates airbag inflation, ensuring stable expansion. The microfluidic tubes 15 and annular nonwoven fabric 17 evenly distribute disinfectant to key areas, reducing the risk of infection. The disinfection device is embedded within the barrier annular airbag 3, adding no additional bulk and ensuring comfortable use.
[0029] Protective tubes 12 are fixedly installed at the center of the front inner wall and the rear inner wall of the drainage pipe 1 located between the blocking annular airbag 3 and the positioning airbag 2. A tensioning spring 13 is fixedly installed between the two ends of the protective tube 12. A guide tube 8 is arranged between the support plate 4 and the drainage pipe 1, and a small one-way valve is arranged on the tube body of the guide tube 8.
[0030] The protective tube 12 provides additional protection and protects the tension spring 13. The tension spring 13 allows the airbag to automatically adjust to the patient's movements, ensuring a consistent fit. The design of the drainage tube 8 effectively directs urine into the drainage conduit 1, reducing leakage and blockage.
[0031] The outer surface of the inlet head 9 is provided with multiple liquid inlet holes 10. The inlet head 9 is made of silicone material. The receiving hose 16 is located inside the blocking annular airbag 3 and is annular in shape. The support plate 4 and the inlet head 9 are located on either side of the positioning airbag 2. The drainage pipe 1 and the protective tube 12 are both transparent hoses.
[0032] The use of silicone material improves patient comfort while also offering excellent abrasion and chemical resistance. The transparent hose design allows medical staff to visually observe the tubing during operation, enhancing safety and convenience. The annular design of the containment hose 16, combined with the blocking annular airbag 3, enhances aesthetics.
[0033] One end of the first trachea tube 5 is positioned within the positioning airbag 2. The other end of the first trachea tube 5 extends near the large one-way valve 6, then passes through the drainage pipe 1 and reaches the outside of the drainage pipe 1. One end of the injection pipe 7 is located within the drainage pipe 1 and extends near the large one-way valve 6, then passes through the drainage pipe 1 and reaches the outside of the drainage pipe 1. The other end of the injection pipe 7 passes through the interior of the receiving hose 16. The drainage pipe 1 is made of polyethylene. A blue imaging line 11 is embedded in the outer and inner walls of the drainage pipe 1.
[0034] The imaging line 11 facilitates visual monitoring of the drainage tube's positioning and status, enhancing safety. The polyethylene material offers excellent physical properties and chemical compatibility, ensuring long-term reliability. The alignment of the No. 1 air tube 5 and the injection tube 7 ensures proper gas and liquid transfer, enhancing the coordination of the overall drainage and disinfection functions.
[0035] While 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 these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.
Claims
1. A drainage tube with a balloon, comprising a drainage tube (1) and a receiving hose (16), characterized in that: One end of the drainage pipe (1) is fixedly connected to an inlet head (9); a large one-way valve (6) is fixedly provided on the body of the drainage pipe (1) away from the inlet head (9); a positioning air bag (2) is fixedly provided on the body of the drainage pipe (1) near the inlet head (9); a support plate (4) is fixedly provided on the body of the drainage pipe (1) near the positioning air bag (2); a blocking annular air bag (3) is fixedly provided on the outer ring of the support plate (4); A No. 1 trachea (5) is provided through the inner wall of the drainage pipe (1) located inside the positioning airbag (2); a No. 2 trachea (14) is connected between the blocking annular airbag (3) and the No. 1 trachea (5); an injection pipe (7) is provided through the blocking annular airbag (3) and the drainage pipe (1); an annular non-woven fabric (17) is embedded in the center of one side of the blocking annular airbag (3) close to the entry head (9); and two microfluidic tubes (15) are provided between the annular non-woven fabric (17) and the receiving hose (16); A protective tube (12) is fixedly provided at the center of the front inner wall and the rear inner wall of the drainage pipe (1) between the blocking annular airbag (3) and the positioning airbag (2), a tension spring (13) is fixedly provided between the two ends of the protective tube (12), a guide tube (8) is provided between the support plate (4) and the drainage pipe (1), and a small one-way valve is provided on the pipe body of the guide tube (8).
2. The drainage tube with a balloon according to claim 1, characterized in that: The outer surface of the entry head (9) is provided with a plurality of liquid inlet holes (10), and the entry head (9) is made of silicone material. The receiving hose (16) is located inside the blocking annular airbag (3) and is annular in shape.
3. The drainage tube with a balloon according to claim 1, characterized in that: The support plate (4) and the entry head (9) are respectively located on both sides of the positioning airbag (2), and the drainage pipe (1) and the protective tube (12) are both configured as transparent hoses.
4. The drainage tube with a balloon according to claim 1, characterized in that: One end of the No. 1 trachea (5) is arranged to penetrate the interior of the positioning airbag (2), and the other end of the No. 1 trachea (5) extends to a position close to the large one-way valve (6) and penetrates the drainage pipe (1) to the outside of the drainage pipe (1).
5. The drainage tube with a balloon according to claim 1, characterized in that: One end of the injection tube (7) is located inside the drainage pipe (1), extends to a position close to the large one-way valve (6), and passes through the drainage pipe (1) to the outside of the drainage pipe (1), and the other end of the injection tube (7) passes through the interior of the accommodating hose (16).
6. The drainage tube with a balloon according to claim 1, characterized in that: The drainage pipe (1) is made of polyethylene material, and a developing line (11) is embedded in the outer wall and the inner wall of the drainage pipe (1), and the developing line (11) is set to be blue.
