Urethral catheter with guide wire

The design of the main and auxiliary tubes with internal thread connection and guide wire guidance solves the problems of inconvenience in carrying the urinary catheter and difficulty in controlling the insertion depth. It enables flexible length adjustment of the urinary catheter and comfortable urination control, and reduces the risk of infection.

CN223861157UActive Publication Date: 2026-02-03JIANGSU YAOHUA YILIAO MEDICAL INSTR BRANCH TECH
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Patent Information

Application Number
CN202422753220.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-12
Publication Date
2026-02-03
Estimated Expiration
2034-11-12

AI Technical Summary

Technical Problem

Existing urinary catheters have a fixed length, making them inconvenient to carry and difficult to observe the insertion depth, which can easily lead to excessive insertion and physiological discomfort.

Method used

The design features a main tube and a secondary tube with internal threaded connections, allowing for length adjustment and splitting. It is equipped with scales to observe insertion depth and a guide wire for guidance and auxiliary positioning. It also includes valves to control urine flow and a filter to remove impurities.

Benefits of technology

It allows for flexible adjustment of the catheter length, making it easy to carry, avoiding excessive insertion, providing comfortable urination control and impurity filtration, and reducing the risk of infection.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223861157U_ABST
    Figure CN223861157U_ABST
Patent Text Reader

Abstract

The utility model discloses a catheter with a guide wire, which comprises a main catheter body, one end of the main catheter body is fixedly connected with a conical excretion connector, the surface of the conical excretion connector is fixedly connected with a conical inflation connector, and an internal thread is arranged inside one end of the main catheter body. One end of the main catheter body is in threaded connection with the auxiliary catheter body through the internal thread, so that a person can adjust the length of the catheter body in time according to actual working requirements, the catheter body can be split into the main catheter body and the auxiliary catheter body, the person can carry the catheter conveniently, and the problem that the person is inconvenient to carry the catheter due to the fact that the catheter body is too long is solved; by means of the scale marks, a person can conveniently know and observe the length of the catheter body entering the human body, the problem that the catheter enters the human body too deep, and consequently the person is uncomfortable in physiology is solved, and the guide wire is arranged and mainly plays a role in providing guiding and auxiliary positioning for the catheter under the condition that intubation is difficult.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a catheter technology field especially a catheter with guide wire. BACKGROUND

[0002] The catheter is a medical device, usually made of plastic or rubber, used to help empty the bladder, it is a long, flexible tube, inserted into the urethra, through the prostate or vagina, into the bladder.

[0003] Because the length of the catheter is fixed, it is inconvenient for personnel to carry, it is difficult to split the catheter, and the length of the catheter entering the personnel is difficult to observe, if the personnel operate carelessly, it is likely to cause over-insertion, causing the personnel to be uncomfortable. SUMMARY

[0004] The utility model wants to solve the problem, aiming at the above prior art's shortcoming, provide a kind of catheter with guide wire.

[0005] To solve the above problem, the utility model adopts the scheme as follows: a kind of catheter with guide wire, including main pipe body, the one end of the main pipe body is fixedly connected with discharge conical interface, the surface of the discharge conical interface is fixedly connected with the filling up conical interface, the inside of the one end of the main pipe body is provided with internal thread.

[0006] The one end of the main pipe body is connected with the auxiliary pipe body by internal thread, the outer surface of the one end of the auxiliary pipe body is provided with external thread, the internal thread and the external thread are matched, and the outer surfaces of the main pipe body and the auxiliary pipe body are provided with scale line.

[0007] Through the above technical scheme, the one end of the main pipe body is connected with the auxiliary pipe body by internal thread, so that personnel can adjust the length of the catheter body according to actual work demand, and the catheter body can be split into main pipe body and auxiliary pipe body, which is convenient for personnel to carry, avoids the problem that the catheter body is too long and inconvenient for personnel to carry, and the scale line can be set to facilitate personnel to observe the length of the catheter body entering the human body, avoid the problem that the catheter enters the human body too deep, causes physiological discomfort of personnel.

[0008] As a further improvement of the above scheme, the inside of the filling up conical interface is provided with valve, and the material of the valve is polyvinyl chloride.

[0009] Through the above technical scheme, the valve of the catheter is mainly used to control the flow of urine and prevent backflow of urine, so that the catheter can intermittently urinate, instead of continuous opening, which helps to simulate the normal urination process, may be more comfortable for some patients, and reduces the risk of infection.

[0010] As a further improvement to the above solution, a balloon is provided at the other end of the secondary tube, and the balloon is made of silicone.

[0011] The main function of the balloon, as described above, is to fix the urinary catheter in the correct position to ensure that it will not shift or fall out during use. The balloon is usually located at the proximal end of the urinary catheter, that is, the end close to the bladder, and can be inflated by injecting air or saline.

[0012] As a further improvement to the above solution, guide wires are provided inside the main tube and the auxiliary tube.

[0013] The guidewire in the urinary catheter, as described above, is a thin, flexible wire, typically made of plastic or metal. Its main function is to provide guidance and auxiliary positioning during catheter insertion, especially in difficult insertion situations. When inserting the catheter, the guidewire can reach the target location, such as the bladder, before the catheter itself. Medical staff can then adjust the catheter's direction based on the guidewire's trajectory, making it easier and more accurate to insert the catheter into the correct position.

[0014] As a further improvement to the above solution, a first filter screen is provided inside the main body.

[0015] Through the above technical solution, the first filter in the urinary catheter is mainly used to capture larger crystals or impurities, preventing them from passing through the urinary catheter and causing blockage or irritation during urination. These impurities may be stones or other foreign objects formed by the deposition of minerals in the urine.

[0016] As a further improvement to the above solution, a second filter screen is provided inside the secondary tube.

[0017] The above technical solution allows the first and second filters to work together to improve the filtration effect.

[0018] As a further improvement to the above solution, filter holes are formed on the surfaces of the first and second filter screens.

[0019] Through the above technical solution, the filter holes in the urinary catheter filter are designed to allow urine to pass through while capturing larger particles and impurities. These filter holes are usually very small and are intended to prevent crystals, small stones, blood clots or other foreign objects in the urine from passing through, so that the urine can flow smoothly.

[0020] The technical effects of this utility model are as follows: By setting up the overall device, one end of the main tube is connected to the auxiliary tube via an internal thread, allowing personnel to adjust the length of the catheter according to actual work needs. The catheter can be disassembled into the main tube and the auxiliary tube, making it convenient for personnel to carry and avoiding the problem of inconvenience caused by an excessively long catheter. The set scale lines allow personnel to easily understand and observe the length of the catheter inserted into the body, preventing the catheter from entering the body too deeply and causing physiological discomfort. Furthermore, a guide wire is provided, the main function of which is to provide guidance and auxiliary positioning for the catheter in difficult insertion situations. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0022] Figure 2 This is a schematic diagram of the main body of the present invention;

[0023] Figure 3 This is a schematic diagram of the sub-tube body of this utility model;

[0024] Figure 4 This is a structurally disassembled schematic diagram of the first and second filter screens of this utility model;

[0025] Explanation of key symbols:

[0026] 1. Main pipe body; 2. Discharge conical interface; 3. Inflation conical interface; 4. Secondary pipe body; 5. Scale line; 6. Valve; 7. Balloon; 8. Guide wire; 9. First filter screen; 10. Second filter screen; 11. Filter hole. Detailed Implementation

[0027] The present invention will now be described in further detail with reference to the accompanying drawings. Example

[0028] Please combine Figures 1-4 The present embodiment of a catheter with a guide wire includes a main body 1, one end of which is fixedly connected to a discharge cone-shaped interface 2, and the surface of the discharge cone-shaped interface 2 is fixedly connected to an inflatable cone-shaped interface 3. An internal thread is provided inside one end of the main body 1.

[0029] One end of the main tube 1 is connected to the secondary tube 4 via an internal thread. The outer surface of one end of the secondary tube 4 is provided with an external thread, which is compatible with the internal thread. Both the main tube 1 and the secondary tube 4 have scale lines 5 on their outer surfaces. The fact that one end of the main tube 1 is connected to the secondary tube 4 via an internal thread allows personnel to adjust the length of the catheter in a timely manner according to actual work needs. The catheter can also be disassembled into the main tube 1 and the secondary tube 4 for easy carrying, avoiding the problem of the catheter being too long and inconvenient to carry. The scale lines 5 allow personnel to easily see and observe the length of the catheter inserted into the body, preventing the catheter from being inserted too deeply and causing physiological discomfort.

[0030] The conical inlet 3 is equipped with a valve 6, which is made of polyvinyl chloride. The valve 6 of the catheter is mainly used to control the flow of urine and prevent urine backflow, so that the catheter can urinate intermittently instead of continuously. This helps to simulate the normal urination process, which may be more comfortable for some patients and reduce the risk of infection.

[0031] The other end of the secondary catheter 4 is equipped with a balloon 7. The balloon 7 is made of silicone. The main function of the balloon 7 is to fix the urinary catheter in the correct position to ensure that the urinary catheter will not shift or fall out during use. The balloon 7 is usually located at the proximal end of the urinary catheter, that is, the end close to the bladder. It can be inflated by injecting air or saline.

[0032] The main catheter body 1 and the auxiliary catheter body 4 contain guide wires 8. The guide wire 8 in the urinary catheter is a thin, flexible wire, usually made of plastic or metal. The main function of the guide wire 8 is to provide guidance and auxiliary positioning during catheter insertion, especially in difficult insertion situations. When inserting the urinary catheter, the guide wire 8 can enter the target location, such as the bladder, before the catheter itself. Medical staff will adjust the direction of the catheter based on the direction of the guide wire 8, making it easier and more accurate to insert the catheter into the correct position.

[0033] The main body 1 is equipped with a first filter 9. The first filter 9 in the catheter is mainly used to capture larger crystals or impurities, preventing them from passing through the catheter and causing blockage or irritation during urination. These impurities may be stones or other foreign objects formed by the deposition of minerals in the urine.

[0034] The secondary tube 4 is equipped with a second filter 10. The first filter 9 and the second filter 10 work together to improve the filtration effect.

[0035] The surfaces of the first filter 9 and the second filter 10 are provided with filter holes 11. The filter holes 11 in the catheter filter are designed to allow urine to pass through while capturing larger particles and impurities. These filter holes 11 are usually very small and are intended to prevent crystals, small stones, blood clots or other foreign objects in the urine from passing through, so that the urine can flow smoothly.

[0036] The implementation principle of a guidewire-equipped urinary catheter in this embodiment is as follows: one end of the main tube 1 is connected to the auxiliary tube 4 via an internal thread, allowing personnel to adjust the length of the catheter body according to actual work needs. The catheter body can be disassembled into the main tube 1 and the auxiliary tube 4 for easy carrying, avoiding the inconvenience of carrying an excessively long catheter. The scale lines 5 allow personnel to easily observe the length of the catheter body inserted into the body, preventing the catheter from entering too deeply and causing discomfort. The catheter valve 6... Primarily used to control urine flow and prevent backflow, allowing the catheter to drain intermittently rather than continuously. This helps simulate the normal urination process, may be more comfortable for some patients, and reduces the risk of infection. The main function of guidewire 8 is to provide guidance and auxiliary positioning during catheter insertion, especially in difficult insertion situations. When inserting the catheter, guidewire 8 can enter the target location, such as the bladder, before the catheter. Healthcare professionals will adjust the direction of the catheter based on the direction of guidewire 8, making it easier and more accurate to insert the catheter into the correct position.

[0037] The above embodiments are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and substitutions made by those skilled in the art based on this utility model shall fall within the scope of protection claimed by this utility model.

Claims

1. A urinary catheter with a guidewire, characterized in that, Includes a main body (1), one end of which is fixedly connected to a discharge cone-shaped interface (2), the surface of which is fixedly connected to an inflatable cone-shaped interface (3), and an internal thread is provided inside one end of the main body (1); The main body (1) is characterized in that one end of the main body (1) is connected to the secondary body (4) by an internal thread, and the outer surface of one end of the secondary body (4) is provided with an external thread, the internal thread and the external thread are adapted to each other, and the outer surfaces of the main body (1) and the secondary body (4) are provided with scale lines (5).

2. The urinary catheter with guidewire as described in claim 1, characterized in that: The charging cone-shaped interface (3) is equipped with a valve (6) inside, and the valve (6) is made of polyvinyl chloride.

3. A urinary catheter with a guidewire as described in claim 1, characterized in that: The other end of the sub-tube (4) is provided with a balloon (7), which is made of silicone.

4. A urinary catheter with a guidewire as described in claim 1, characterized in that: The main tube (1) and the auxiliary tube (4) are equipped with guide wires (8).

5. A urinary catheter with a guidewire as described in claim 1, characterized in that: The main body (1) is equipped with a first filter (9).

6. A urinary catheter with a guidewire as described in claim 5, characterized in that: The secondary tube (4) is equipped with a second filter (10).

7. A urinary catheter with a guidewire as described in claim 6, characterized in that: The surfaces of the first filter screen (9) and the second filter screen (10) are provided with filter holes (11).