Catheter assembly of combined catheter
By designing a modular urinary catheter assembly with multiple sets of elastic plates and closing blocks, the problem of urine backflow under external pressure in the urine collection bag was solved, thus achieving safe collection and use of the urinary catheter assembly.
Patent Information
- Application Number
- CN202422815945.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-18
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-11-18
AI Technical Summary
In clinical use of existing urinary catheters in men, the urine collection bag is easily squeezed by external force, causing urine to flow back into the patient's body and affecting the patient's health.
A modular urinary catheter assembly is designed, employing a conical structure with multiple sets of elastic plates and closing blocks. The design of the closing assembly prevents urine backflow from the urine collection bag under external pressure. The assembly includes a combination of connecting rings, elastic plates, closing blocks, elastic moving blocks, and elastic limiting blocks to achieve closure of the connecting sleeve.
It effectively prevents urine from flowing back into the patient's body under external pressure, improves the practicality of the catheter assembly, and ensures safe urine collection.
Smart Images
Figure CN223627938U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of catheter, specifically relates to a catheter assembly of combined catheter. BACKGROUND
[0002] The catheter is a kind of pipeline inserted into urinary bladder through urethra to drain urine, is made of natural rubber, silicon rubber or polyvinyl chloride, can be inserted into urinary bladder through urethra to drain urine, after catheter is inserted into urinary bladder, there is a gasbag close to catheter head end, and catheter is fixed in urinary bladder, and it is not easy to come out, and drainage tube is connected urine bag to collect urine.Currently in the clinical use process of male, catheter will pass through penis sponge body, membrane and prostate in turn.
[0003] Urine collection bag is the necessary article of indwelling catheterization, urine collection bag is usually connected with the body of patient through catheter, and urine collection bag is often hung in the vicinity of patient's bed, so there is the risk that urine in urine collection bag is backflowed into patient's body due to extrusion (such as stepping), the backflow urine has been contaminated, and entering patient's body can damage patient's health, therefore, it is particularly important to improve the existing catheter assembly and design a new catheter assembly of combined catheter to solve the above technical defects and improve the practicability of the whole catheter assembly. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a catheter assembly of combined catheter, a plurality of elastic sheets are in contact with each other, a plurality of closed blocks can be in contact with each other, the connecting ring is closed, the connecting sleeve is closed, the catheter body is closed, when urine is guided into the inside of urine collection bag, the risk that urine in urine collection bag is backflowed into patient's body due to extrusion can be prevented, to solve the problems in the above background technique.
[0005] To achieve the above object, the utility model provides the following technical scheme:
[0006] A catheter assembly of combined catheter, including catheter body, the outside of the catheter body is fixedly connected with connecting sleeve, the inside of the connecting sleeve is equipped with closed assembly, one end of the catheter body away from connecting sleeve is fixedly connected with pipe head, the outside of the pipe head and the outside of the catheter body are equipped with gasbag, one end of the catheter body close to connecting sleeve is fixedly connected with water injection branch pipe;
[0007] The closing assembly is used for closing the inside of the connecting sleeve, and is composed of a connecting ring, elastic sheets, closing blocks, an elastic moving block and elastic limiting blocks.
[0008] As the preferred scheme of the utility model, the elastic sheets are designed in a conical structure, and the closing blocks are designed in a circular structure.
[0009] As the preferred scheme of the utility model, the elastic moving block is internally provided with a through slot, and the elastic limiting blocks are distributed at equal intervals on the outside of the elastic moving block.
[0010] As the preferred scheme of the utility model, the elastic sheets are internally provided with limiting slots, the internal structure of the limiting slots is designed in correspondence with the external structure of the elastic limiting blocks, and the elastic sheets are limitedly connected with the elastic limiting blocks through the limiting slots.
[0011] As the preferred scheme of the utility model, the connecting sleeve is internally and proximally to the elastic moving block fixedly connected with a limiting ring, and the connecting sleeve limits the elastic moving block through the limiting ring.
[0012] As the preferred scheme of the utility model, the catheter body is internally provided with a cavity, the water injection branch pipe extends into the inside of the catheter body and is fixedly connected with the cavity, and the cavity and the inside of the air bag are designed in a mutually communicating structure.
[0013] As the preferred scheme of the utility model, the connecting sleeve is externally fixedly connected with a connecting pipe, and the connecting pipe and the inside of the cavity are designed in a mutually communicating structure.
[0014] Compared with the prior art, the utility model has the advantages that:
[0015] In the utility model, through the design of the closing assembly, the elastic moving block is extruded and moved, introduced into the inside of the connecting ring, contacted with the elastic sheets, extruded, and drives the elastic sheets to open and close, so that the closing blocks can be opened, the through slot can guide the urine in the pipe head into the inside of the catheter body and then into the inside of the urine collecting bag for collection, when the urine collection is completed, the elastic moving block is reset, the elastic sheets are contacted with each other, designed in a conical structure, the closing blocks can be contacted with each other, the connecting ring is closed, the connecting sleeve is closed, and the catheter body is closed, so that when the urine is guided into the inside of the urine collecting bag, the urine collecting bag can be prevented from being extruded by external force, and the risk that the urine in the urine collecting bag flows back into the patient's body.BRIEF DESCRIPTION OF DRAWINGS BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the whole structure schematic view of the utility model;
[0017] Figure 2 It is the closed component structure schematic view of the utility model;
[0018] Figure 3 It is the elastic sheet structure schematic view of the utility model;
[0019] Figure 4 It is the catheter body internal structure schematic view of the utility model.
[0020] In the drawing: 1, catheter body; 2, connecting sleeve; 3, closed component; 4, pipe head; 5, air bag; 6, water injection branch pipe; 7, connecting ring; 8, elastic sheet; 9, closed block; 10, elastic moving block; 11, elastic limiting block; 12, through slot; 13, limiting slot; 14, limiting ring; 15, cavity; 16, connecting pipe. DETAILED DESCRIPTION
[0021] The technical scheme in the embodiments of the utility model will be described below in a clear and complete manner in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0022] Embodiment:
[0023] Please refer to Figures 1-4 The utility model provides a technical scheme:
[0024] A catheter assembly of combined catheter, including catheter body 1, the outside of catheter body 1 is fixedly connected with connecting sleeve 2, the inside of connecting sleeve 2 is equipped with closed component 3, the one end of catheter body 1 away from connecting sleeve 2 is fixedly connected with pipe head 4, the outside of pipe head 4 and located the outside of catheter body 1 is equipped with air bag 5, the one end of catheter body 1 close to connecting sleeve 2 is fixedly connected with water injection branch pipe 6;
[0025] Closed component 3 is used for closing the inside of connecting sleeve 2, and closed component 3 is composed of connecting ring 7, elastic sheet 8, closed block 9, elastic moving block 10 and elastic limiting block 11, connecting ring 7 is fixedly connected in the inside of connecting sleeve 2, multiple elastic sheets 8 are all fixedly connected on the outside of connecting ring 7, closed block 9 is fixedly connected on the one end of elastic sheet 8 away from connecting ring 7, elastic moving block 10 is slidingly connected in the inside of connecting sleeve 2 and is close to the one end of connecting ring 7, multiple elastic limiting blocks 11 are all fixedly connected on the outside of elastic moving block 10.
[0026] Further, the plurality of elastic sheets 8 are designed in a conical structure, and the plurality of closing blocks 9 are designed in a circular structure. The plurality of elastic sheets 8 are in contact with each other, and are designed in a conical structure, so that the plurality of closing blocks 9 can be in contact with each other, the connecting ring 7 is closed, the connecting sleeve 2 is closed, and the catheter body 1 is closed. When the urine is introduced into the inside of the urine collection bag, the urine collection bag can be prevented from being extruded by external force, and the risk that the urine in the urine collection bag flows back into the patient's body.
[0027] The inside of the elastic moving block 10 is provided with a through slot 12, and a plurality of elastic limiting blocks 11 are distributed at equal intervals on the outside of the elastic moving block 10. The elastic moving block 10 is connected with the elastic sheet 8, the elastic sheet 8 is extruded, a plurality of elastic sheets 8 are opened and closed, the plurality of closing blocks 9 can be opened, and the through slot 12 can guide the urine in the pipe head 4 into the inside of the catheter body 1 and into the inside of the urine collection bag for collection.
[0028] Secondly, the inside of the elastic sheet 8 is provided with a limiting slot 13, the inside structure size of the limiting slot 13 is designed in correspondence with the outside structure size of the elastic limiting block 11, the elastic sheet 8 is connected with the elastic limiting block 11 through the limiting slot 13, when the elastic moving block 10 is in contact with the elastic sheet 8, the elastic limiting block 11 is displaced into the inside of the limiting slot 13 and connected with the elastic sheet 8, the elastic moving block 10 is connected with the elastic sheet 8, and the displacement of the elastic moving block 10 is prevented, which affects the collection of urine.
[0029] Further, the inside of the connecting sleeve 2 and one end close to the elastic moving block 10 are fixedly connected with a limiting ring 14, and the connecting sleeve 2 limits the elastic moving block 10 through the limiting ring 14. When the elastic moving block 10 is displaced in the inside of the connecting sleeve 2, the elastic moving block 10 is limited in the inside of the connecting sleeve 2 through the limiting ring 14, and the elastic moving block 10 is prevented from being displaced into the inside of the catheter body 1, which affects the use.
[0030] Further, the inside of the catheter body 1 is provided with a cavity 15, the water injection branch pipe 6 extends into the inside of the catheter body 1 and is fixedly connected with the cavity 15, the cavity 15 and the inside of the air bag 5 are designed in a mutual communication structure, the outside of the connecting sleeve 2 is fixedly connected with a connecting pipe 16, the connecting pipe 16 and the inside of the cavity 15 are designed in a mutual communication structure, the physiological saline is injected into the inside of the cavity 15 through the water injection branch pipe 6, the physiological saline can flow through the connecting sleeve 2 through the connecting pipe 16, is introduced into the other end of the cavity 15, and is introduced into the inside of the air bag 5, so that the air bag 5 is inflated and the pipe head 4 is limited.
[0031] In the embodiment, the specific implementation scenario is as follows: in actual use, the catheter body 1 is sequentially passed through the cavernous body, the membrane and the prostate, physiological saline is injected into the cavity 15 through the water injection branch pipe 6, the physiological saline can flow through the connecting sleeve 2 through the connecting pipe 16, is introduced into the other end of the cavity 15, and is introduced into the inside of the air bag 5, so that the air bag 5 is inflated, the pipe head 4 is positioned, the elastic displacement block 10 is squeezed and displaced, is introduced into the inside of the connecting ring 7, contacts the elastic sheet 8, squeezes the elastic sheet 8, drives a plurality of elastic sheets 8 to open and close, the plurality of closing blocks 9 can be opened, the pipe head 4 is introduced into the inside of the catheter body 1, and urine is introduced into the inside of the urine collecting bag for collection. When the elastic displacement block 10 contacts the elastic sheet 8, the elastic limiting block 11 is displaced into the limiting groove 13 and is limitedly connected with the elastic sheet 8, the elastic displacement block 10 is limitedly connected with the elastic sheet 8, the elastic displacement block 10 is prevented from deviating, and the collection of urine is affected. When the urine collection is completed, the elastic displacement block 10 is displaced by being squeezed and pushed, the elastic displacement block 10 is reset, a plurality of elastic sheets 8 contact each other, a tapered structure is formed, the plurality of closing blocks 9 can contact each other, the connecting ring 7 is closed, the connecting sleeve 2 is closed, the catheter body 1 is closed, and when the urine is introduced into the inside of the urine collecting bag, the urine collecting bag is prevented from being squeezed by external force, and the risk that the urine in the urine collecting bag flows back into the patient's body is avoided. Compared with the existing catheter assembly, the catheter assembly can improve the overall practicability.
[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A catheter assembly of a combined catheter, comprising a catheter body (1), characterized in that: The outer side of the urethral catheter body (1) is fixedly connected with a connecting sleeve (2), the inside of the connecting sleeve (2) is provided with a closing assembly (3), one end of the urethral catheter body (1) away from the connecting sleeve (2) is fixedly connected with a tube head (4), the outside of the tube head (4) and the outside of the urethral catheter body (1) are provided with an air bag (5), one end of the urethral catheter body (1) close to the connecting sleeve (2) is fixedly connected with a water injection branch pipe (6); The closing assembly (3) is used for closing the inside of the connecting sleeve (2), and the closing assembly (3) is composed of a connecting ring (7), an elastic sheet (8), a closing block (9), an elastic moving block (10) and an elastic limiting block (11), the connecting ring (7) is fixedly connected to the inside of the connecting sleeve (2), a plurality of elastic sheets (8) are fixedly connected to the outside of the connecting ring (7), the closing block (9) is fixedly connected to one end of the elastic sheet (8) away from the connecting ring (7), the elastic moving block (10) is slidingly connected to one end of the inside of the connecting sleeve (2) close to the connecting ring (7), and a plurality of elastic limiting blocks (11) are fixedly connected to the outside of the elastic moving block (10).
2. The urinary catheter assembly of claim 1, wherein: A plurality of elastic sheets (8) are designed in a conical structure, and a plurality of closing blocks (9) are designed in a circular structure.
3. The urinary catheter assembly of claim 1, wherein: The inside of the elastic moving block (10) is provided with a through groove (12), and a plurality of elastic limiting blocks (11) are distributed at equal intervals on the outside of the elastic moving block (10).
4. The urinary catheter assembly of claim 1, wherein: The inside of the elastic sheet (8) is provided with a limiting groove (13), the inside structure size of the limiting groove (13) is designed in correspondence with the outside structure size of the elastic limiting block (11), and the elastic sheet (8) is limitedly connected with the elastic limiting block (11) through the limiting groove (13).
5. The urinary catheter assembly of claim 1, wherein: One end of the inside of the connecting sleeve (2) close to the elastic moving block (10) is fixedly connected with a limiting ring (14), and the connecting sleeve (2) limits the elastic moving block (10) through the limiting ring (14).
6. The urinary catheter assembly of claim 1, wherein: The inside of the urethral catheter body (1) is provided with a cavity (15), the water injection branch pipe (6) extends to the inside of the urethral catheter body (1) and is fixedly connected with the cavity (15), and the cavity (15) and the inside of the air bag (5) are designed in intercommunication structure.
7. The catheter assembly of claim 6, wherein: The outside of the connecting sleeve (2) is fixedly connected with a connecting pipe (16), and the connecting pipe (16) and the inside of the cavity (15) are designed in intercommunication structure.