Novel urinary catheter capable of preventing urine leakage

By designing a new type of urinary catheter with drainage tube, water injection tube, and umbrella-shaped balloon, the problems of leakage and infection risk of traditional urinary catheters have been solved, achieving sealing and infection prevention effects and improving the patient's user experience.

CN223696428UActive Publication Date: 2025-12-23FUJIAN MEDICAL UNIV
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Patent Information

Application Number
CN202422604916.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-28
Publication Date
2025-12-23
Estimated Expiration
2034-10-28

AI Technical Summary

Technical Problem

Traditional urinary catheters are prone to leakage during use, increasing the risk of infection and the amount of nursing care required.

Method used

A novel urinary catheter was designed, comprising a drainage tube, an injection tube, and an umbrella-shaped balloon. The umbrella-shaped balloon fits tightly against the bladder wall and urethral opening, and a dual-channel design achieves a seal, preventing urine leakage and blocking retrograde bacterial growth.

Benefits of technology

It effectively prevents urine leakage, reduces the risk of urinary tract infections, decreases nursing workload and patient discomfort, and improves the user experience.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223696428U_ABST
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Abstract

The novel urinary catheter comprises a drainage tube, a urinary catheterization head is arranged at the end of the drainage tube, a liquid outlet tube is fixedly connected to the end, away from the urinary catheterization head, of the drainage tube, a water injection tube is fixedly connected to one side of the outer wall of the liquid outlet tube, and a water injection hard valve is fixedly connected to the end of the water injection tube. A developing line is arranged in the drainage tube in a penetrating mode, an umbrella-shaped air bag is arranged on the outer wall of the end, close to the catheterization head, of the drainage tube, and a liquid outlet is formed in the outer end of the liquid outlet tube. The drainage tube, the water injection tube and the umbrella-shaped air bag are matched with one another, the umbrella-shaped air bag is designed and can be tightly attached to the bladder wall and the urethral orifice after water injection, urine leakage is effectively blocked, meanwhile, bacteria are prevented from entering the bladder along the catheter in a retrograde mode through a unique sealing structure, and the risk of urinary system infection is greatly reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a catheter technical field, concretely is a novel catheter of preventing seepage urine. BACKGROUND

[0002] In the traditional catheter structure, the catheter is inserted into the urethra, and the distal end enters the bladder, and the distal end is provided with an air bag (water injection air bag), the air bag is inflated by water, so that the distal end of the catheter can be fixed at the bladder mouth, but the following shortcomings will appear in the clinical use process:

[0003] 1, easy to leak: the patient's bladder is stimulated to cause spasm, the patient's activity causes the catheter displacement and other factors, the traditional catheter cannot completely seal the channel between the bladder and urethra, and urine leakage is easy to occur;

[0004] 2, high infection risk: the channel between the bladder and urethra cannot be completely sealed, bacteria can enter the bladder along the catheter, and the risk of urinary system infection is increased;

[0005] 3, increase the nursing amount: due to urine leakage, the patient's clothes are contaminated, daily life is inconvenient, the perineal part is easy to produce eczema and dermatitis, and the nursing amount is increased.

[0006] Therefore, we propose to design a novel catheter of preventing seepage urine. CONTENT OF THE UTILITY MODEL

[0007] The purpose of this part is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this part and the abstract of the specification and the utility model name to avoid obscuring the purpose of this part, the abstract of the specification and the utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0008] To solve the above technical problems, according to one aspect of the utility model, the utility model provides the following technical scheme:

[0009] A novel catheter of preventing seepage urine, including drainage tube, the drainage tube end is provided with catheter head, the drainage tube is fixedly connected with the liquid outlet pipe at the end away from the catheter head, the liquid outlet pipe outer wall one side is fixedly connected with the water injection pipe, the water injection pipe end is fixedly connected with the water injection hard valve, the drainage tube is internally provided with the developing line, the drainage tube is close to the catheter head one end outer wall and is provided with the umbrella type air bag.

[0010] As a preferred scheme of the novel catheter of preventing seepage urine of the utility model, wherein, the liquid outlet pipe outer end is provided with the liquid outlet, and urine is discharged from the liquid outlet pipe.

[0011] As a preferred scheme of the novel catheter for preventing urine seepage, the developing line extends to the catheter head and the liquid outlet pipe respectively, which is convenient for the medical staff to observe the position and state of the catheter clearly.

[0012] As a preferred scheme of the novel catheter for preventing urine seepage, the outer wall of the umbrella-shaped air bag is tightly attached to the inner wall of the bladder and the urethral orifice, which is convenient for blocking the urine and avoiding seepage.

[0013] As a preferred scheme of the novel catheter for preventing urine seepage, the drainage pipe is internally provided with a water injection cavity and a drainage cavity, the water injection pipe is connected to the umbrella-shaped air bag through the water injection cavity, and the catheter head is connected to the liquid outlet pipe through the drainage cavity, so that the double-flow channel design can be used for catheterization and water filling of the air bag.

[0014] Compared with the prior art, the novel catheter for preventing urine seepage has the beneficial effects that:

[0015] The drainage pipe, the water injection pipe and the umbrella-shaped air bag are cooperated with each other, the umbrella-shaped air bag is designed to tightly attach to the bladder wall and the urethral orifice after water injection, effectively blocks the urine seepage, and the unique sealing structure blocks the bacteria from entering the bladder along the catheter, thereby greatly reducing the risk of urinary system infection. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the present application will be described in detail below in combination with the drawings and detailed embodiments. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor. Among them:

[0017] Fig. 1 It is a perspective view of the novel catheter for preventing urine seepage of the present application;

[0018] Fig. 2 It is an inflation schematic view of the umbrella-shaped air bag of the novel catheter for preventing urine seepage of the present application;

[0019] Fig. 3 It is a schematic view of the use position of the umbrella-shaped air bag of the novel catheter for preventing urine seepage of the present application.

[0020] Legend: 1, drainage pipe; 2, catheter head; 3, liquid outlet pipe; 4, water injection pipe; 5, water injection hard valve; 6, developing line; 7, umbrella-shaped air bag. DETAILED DESCRIPTION

[0021] In order to make the above-mentioned purposes, features and advantages of the utility model more apparent, obvious and easy to understand, the specific embodiments of the utility model will be described in detail below with reference to the drawings.

[0022] Secondly, the utility model is described in detail in combination with the schematic diagram, and in order to facilitate the description, the sectional view of the device structure will be partially enlarged without the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the utility model herein. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in actual production.

[0023] In order to make the purposes, technical schemes and advantages of the utility model more clear, the embodiments of the utility model will be described in further detail below with reference to the drawings.

[0024] Please refer to Figs. 1-3 The utility model provides a novel urinary catheter of preventing seepage of urine, including drainage tube 1, drainage tube 1 end is provided with catheter head 2, drainage tube 1 is fixedly connected with liquid outlet pipe 3 away from catheter head 2, and the outer end of liquid outlet pipe 3 is provided with liquid outlet, which is convenient for urine to discharge from liquid outlet pipe 3.

[0025] The outer wall of liquid outlet pipe 3 is fixedly connected with water injection pipe 4, the end of water injection pipe 4 is fixedly connected with water injection hard valve 5, the inside of drainage tube 1 is provided with water injection cavity and drainage cavity, water injection pipe 4 and umbrella-shaped air bag 7 are connected through water injection cavity, catheter head 2 and liquid outlet pipe 3 are connected through drainage cavity, and double-channel design can conduct catheterization on one hand and is convenient for water filling for air bag on the other hand.

[0026] The inside of drainage tube 1 is provided with developing line 6, and the two ends of developing line 6 extend into catheter head 2 and liquid outlet pipe 3 respectively, which is convenient for medical staff to clearly observe the position and state of the catheter in imaging examination.

[0027] The outer wall of one end of drainage tube 1 close to catheter head 2 is provided with umbrella-shaped air bag 7. The outer side wall of umbrella-shaped air bag 7 is closely combined with the inner wall of bladder and urethral orifice, which is convenient for blocking urine and avoiding seepage.

[0028] In use, one end of drainage tube 1 close to catheter head 2 is inserted into the patient's body from the ureter, water injection hard valve 5 is opened, water is injected into umbrella-shaped air bag 7 through water injection pipe 4, umbrella-shaped air bag 7 is inflated and opened, closely adheres to the bladder wall and urethral orifice, forms a sealed barrier, and effectively prevents urine from flowing out from the gap between the bladder wall and urethral orifice, thereby realizing the anti-seepage function.

[0029] Further, it avoids the pollution of patient's clothes, reduces the discomfort of the patient, reduces the problems of eczema and dermatitis of the perineum, and reduces the nursing amount. At the same time, it effectively reduces the risk of urinary system infection.

[0030] The whole device is made of soft material such as medical silica gel, which avoids stimulating the bladder wall and improves the use experience of the patient.

[0031] Although the utility model has been described above with reference to the embodiments, various improvements can be made and equivalent parts can be replaced without departing from the scope of the utility model. In particular, as long as there is no structural conflict, the features in the embodiments disclosed by the utility model can be combined in any way, and the combinations are not exhaustively described in the specification only for the purpose of omitting the length and saving resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A novel urinary catheter for preventing urine leakage, comprising a drainage tube (1), characterized in that, The drainage tube (1) is provided with a catheter tip (2) at the end, and a liquid outlet pipe (3) is fixedly connected to the end away from the catheter tip (2), a water injection pipe (4) is fixedly connected to one side of the outer wall of the liquid outlet pipe (3), a water injection hard valve (5) is fixedly connected to the end of the water injection pipe (4), a developing line (6) is arranged through the inside of the drainage tube (1), and an umbrella-shaped air bag (7) is arranged on the outer wall of the end close to the catheter tip (2) of the drainage tube (1).

2. A novel urinary catheter for preventing leakage of urine according to claim 1, wherein The outer end of the liquid outlet pipe (3) is provided with a liquid outlet.

3. A novel urinary catheter for preventing urine leakage according to claim 1, wherein The developing line (6) extends to the catheter tip (2) and the liquid outlet pipe (3) respectively.

4. A novel urinary catheter for preventing urine leakage according to claim 1, wherein The outer side wall of the umbrella-shaped air bag (7) is closely attached to the inner wall of the bladder and the inner wall of the urethral orifice.

5. A novel urinary catheter for preventing urine leakage according to claim 1, wherein The inside of the drainage tube (1) is provided with a water injection cavity and a drainage cavity, the water injection pipe (4) and the umbrella-shaped air bag (7) are connected through the water injection cavity, and the catheter tip (2) and the liquid outlet pipe (3) are connected through the drainage cavity.