Universal double-umbrella type urine leakage prevention catheter

Abstract

The utility model discloses a universal double-umbrella type urine leakage prevention catheter which is characterized by comprising a main catheter body, a urethra umbrella-shaped leakage prevention balloon, an outer edge annular balloon, a first one-way valve water injection opening and a second one-way valve water injection opening. The urethral umbrella-shaped leakage-proof balloon and the outer-edge annular balloon are sequentially arranged in the axial direction of the catheterization main pipe, the urethral umbrella-shaped leakage-proof balloon is connected with the first one-way valve water injection opening, and the outer-edge annular balloon is connected with the second one-way valve water injection opening; an elastic membrane is connected between the outer-edge annular balloon and the catheterization main pipe, the outer-edge annular balloon is connected with a water injection pipe, and the outer-edge annular balloon forms an umbrella-shaped structure after water is injected into the outer-edge annular balloon. The urethral catheterization device is good in stability, convenient to operate and beneficial to solving the problem of urine leakage of middle-aged and elderly patients after urethral catheterization by medical staff.

Description

Technical Field

[0001] This utility model relates to the field of medical device technology, and more specifically to a urinary catheter. Background Technology

[0002] Currently, the leakage rate of urinary catheters used clinically is greater than 10%, especially among middle-aged and elderly people. Urinary catheterization is a widely used technique in clinical practice, involving inserting a catheter through the urethra into the bladder to drain urine. It is mainly used for the resuscitation of critically ill patients in coma or shock, the treatment of urinary incontinence or retention, the diagnosis and treatment of urethral or bladder diseases, and intravesical drug instillation or bladder irrigation. Currently, urinary catheters used clinically are mainly made of rubber or silicone, and structurally, they are divided into single-lumen catheters and multi-lumen balloon catheters. The former is simply a regular rubber tube used for short-term catheterization. The latter, after insertion into the bladder, allows a certain amount of fluid to be injected into the balloon, causing it to inflate and making it less likely to be accidentally pulled out, suitable for long-term use. For example, Chinese Patent Publication No. CN112190824A discloses a multifunctional double-balloon urinary catheter, including a catheter part, a balloon part, and an inflation part. The main components include: a main catheter tube, a urine inlet, a bladder balloon, a urethral balloon, a urethral balloon drainage port, a bladder balloon inflation check valve, a urethral balloon inflation check valve, and a urine outlet. A urethral balloon drainage port is located at the distal edge of the urethral balloon. In addition to the functions of a regular catheter, this invention allows for the injection of saline or other medications into the urethral balloon to cleanse and lubricate the urethra, or to provide continuous medication for extended periods, preventing and treating urethral infections. This reduces the risk of serious complications such as urinary tract infections in patients with long-term indwelling catheters, making it suitable for all patients requiring indwelling catheters for more than 24 hours. However, a drawback is that the sealing effect is not ideal, and urine leakage can still occur. Its structure requires further improvement. Summary of the Invention

[0003] The purpose of this invention is to address the shortcomings of existing technologies by providing a stable and reliable universal double-umbrella anti-leakage catheter that can help medical staff solve the problem of urinary leakage after catheterization in middle-aged and elderly patients.

[0004] The present invention achieves the above objectives by adopting the following technical solution.

[0005] A universal double-umbrella leak-proof urinary catheter is characterized by comprising a main catheter, a urethral umbrella-shaped leak-proof balloon, an outer ring balloon, and a one-way valve inlet and a two-way valve inlet. The main catheter is provided with multiple drainage holes. The urethral umbrella-shaped leak-proof balloon and the outer ring balloon are arranged sequentially along the axial direction of the main catheter. The urethral umbrella-shaped leak-proof balloon is connected to the one-way valve inlet, and the outer ring balloon is connected to the two-way valve inlet.

[0006] An elastic membrane connects the outer circular balloon to the catheter tube, and an injection tube is connected to the outer circular balloon. After the outer circular balloon is inflated with water, it forms an umbrella-shaped structure.

[0007] As a further explanation of the above scheme, the diameter of the umbrella-shaped structure formed by the outer annular balloon and the elastic membrane is 5-8 cm.

[0008] Furthermore, the diameter of the umbrella-shaped structure formed by the unfolding of the annular balloon at the inner and outer edges of the urethra is 2-3 cm.

[0009] Furthermore, the water injection pipe and the elastic membrane are integrated into a single structure.

[0010] Furthermore, the water injection tube is led from the outer ring balloon to the urinary guide tube, and the two one-way valve injection ports are connected to the water injection tube.

[0011] Furthermore, multiple urination holes are sequentially arranged along the axial direction of the urinary catheter main pipe.

[0012] Furthermore, the posterior portion of the catheter tube is configured with an intraurethral segment and an intravesical segment, respectively located within the urethra and bladder. A urethral umbrella-shaped leak-proof balloon is located within the intraurethral segment, while an outer ring-shaped balloon is located within the intravesical segment.

[0013] The beneficial effects that can be achieved by adopting the above-mentioned technical solution in this utility model are as follows.

[0014] This utility model adopts a leakage-proof catheter structure mainly composed of a catheter main tube, a urethral umbrella-shaped leak-proof balloon, an outer ring balloon, and two one-way valve inlets. It can help medical staff solve the problem of urinary leakage after catheterization in middle-aged and elderly patients. After the urethral umbrella-shaped leak-proof balloon is filled with water, it can reduce the chance of retrograde bacterial infection, which can help reduce the number of adult diapers used by middle-aged and elderly patients with urinary leakage after catheterization, thus reducing expenses. Since the water volume of the outer ring balloon is smaller than that of existing catheter balloons, it reduces the damage to the urethra caused by accidental catheter dislodgement. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model.

[0016] Figure 2 This is a schematic diagram of the umbrella-shaped structure of this utility model.

[0017] Explanation of reference numerals in the attached diagram: 1. Main catheter tube; 2. Urethra umbrella-shaped leak-proof balloon; 3. Outer ring balloon; 4. One-way valve inlet 1; 5. One-way valve inlet 2; 6. Drainage hole; 7. Elastic membrane; 8. Injection tube. Detailed Implementation

[0018] In the description of this utility model, it should be noted that the directional terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", and "counterclockwise" are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. They should not be construed as limiting the specific protection scope of this utility model.

[0019] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features. Thus, the use of "first" and "second" to define a feature may explicitly or implicitly include one or more of that feature, and in this description of the utility model, "at least" means one or more, unless otherwise explicitly specified.

[0020] In this utility model, unless otherwise explicitly specified and limited, the terms "assembly," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can also refer to a mechanical connection; they can refer to a direct connection or a connection through an intermediate medium; or they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0021] In this utility model, unless otherwise specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "below," and "over" the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Above," "below," and "under" the second feature includes the first feature being directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0022] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings, making the technical solution and beneficial effects of this utility model clearer and more explicit. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.

[0023] like Figures 1-2As shown, this utility model is a universal double-umbrella leak-proof urinary catheter, including a main catheter 1, a urethral umbrella-shaped leak-proof balloon 2, an outer ring balloon 3, and one-way valve inlet 4 and one-way valve inlet 5. The main catheter 1 is provided with multiple drainage holes 6. The urethral umbrella-shaped leak-proof balloon and the outer ring balloon are arranged sequentially along the axial direction of the main catheter. The urethral umbrella-shaped leak-proof balloon is connected to one-way valve inlet 4, and the outer ring balloon is connected to one-way valve inlet 5. An elastic membrane 7 connects the outer ring balloon to the main catheter. In this embodiment, the inlet tube and the elastic membrane are an integrated structure. The outer ring balloon is connected to the inlet tube 8. After being filled with water, the outer ring balloon forms an umbrella-shaped structure. After water injection, the outer ring balloon expands to form a circle and stretches the elastic membrane to form an umbrella-shaped structure. The operator pulls the main catheter to make the outer ring balloon adhere tightly to the bladder wall to prevent urine leakage.

[0024] The diameter of the umbrella-shaped structure formed by the outer circular balloon and the elastic membrane is 5-8 cm; the diameter of the umbrella-shaped structure formed by the inner and outer circular balloons of the urethra is 2-3 cm. The water inlet tube leads from the outer circular balloon to the main catheter, and the second one-way valve inlet is connected to the water inlet tube. Multiple drainage holes are sequentially arranged along the axial direction of the main catheter. The posterior part of the main catheter is divided into an intraurethral segment and an intravesical segment, respectively located within the urethra and bladder. The urethral umbrella-shaped leak-proof balloon is located in the intraurethral segment, and the outer circular balloon is located in the intravesical segment.

[0025] The first step in the procedure is to insert a urinary catheter and confirm that the catheter is inside the bladder.

[0026] Step 2: Inject water into the outer ring-shaped balloon to fully expand and stretch the elastic membrane to form a "V"-shaped umbrella-like fixed structure. Adjust the diameter according to the amount of water injected.

[0027] Step 3: Pull the tube outward to make the outer ring balloon fit snugly against the bladder wall, and the "V"-shaped bottom will seal the urethral opening on the inside of the bladder to prevent urine leakage.

[0028] Step 4: If leakage persists, prevent leakage by injecting water into the balloon inside the urethra.

[0029] Compared with existing technologies, this invention can help medical staff solve the problem of urinary leakage in middle-aged and elderly patients after catheterization; the infusion of water into the urethral balloon can reduce the chance of retrograde bacterial infection; it can help reduce the number of adult diapers used by middle-aged and elderly patients with urinary leakage after catheterization, thus reducing expenses; and because the amount of water injected into the outer ring balloon is smaller than that of existing catheter balloons, it reduces the damage to the urethra caused by accidental catheter dislodgement.

[0030] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several modifications and improvements can be made without departing from the inventive concept of the present utility model, and these all fall within the protection scope of the present utility model.

Claims

1. A general-purpose double-umbrella type leakage-preventing urinary catheter, characterized by comprising: It includes a catheter main pipe, a urethral umbrella-shaped leakage prevention balloon, an outer edge annular balloon, a one-way valve water injection port one and a one-way valve water injection port two, the catheter main pipe is provided with a plurality of urination holes, the urethral umbrella-shaped leakage prevention balloon and the outer edge annular balloon are sequentially arranged along the axial direction of the catheter main pipe, the urethral umbrella-shaped leakage prevention balloon is connected with the one-way valve water injection port one, and the outer edge annular balloon is connected with the one-way valve water injection port two; a water injection pipe is led from the outer edge annular balloon to the catheter main pipe, the one-way valve water injection port two is connected with the water injection pipe; the diameter of the umbrella-shaped structure formed by unfolding the outer edge annular balloon and the elastic film is 5-8CM; the diameter of the umbrella-shaped structure formed by unfolding the urethral umbrella-shaped leakage prevention balloon and the outer edge annular balloon is 2-3CM; The elastic film is connected between the outer edge annular balloon and the catheter main pipe, the outer edge annular balloon is connected with the water injection pipe, and the outer edge annular balloon forms an umbrella-shaped structure after being injected with water; the water injection pipe and the elastic film are integrated into an integral structure; The rear part of the catheter main pipe is provided with a urethral inner segment and a bladder inner segment, which are arranged in the urethra and the bladder respectively, the urethral umbrella-shaped leakage prevention balloon is arranged in the urethral inner segment, and the outer edge annular balloon is arranged in the bladder inner segment.

2. The universal leakage-proof dual-folding urinary catheter according to claim 1, wherein, The plurality of urination holes are sequentially arranged along the axial direction of the catheter main pipe.

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