Multifunctional catheter

By setting rubber blocks and rolling parts on the catheter and fixing the catheter with an annular inflatable block, the problem of high friction during insertion of traditional catheter is solved, improving the patient's comfort and the stability of the catheter .

CN222467661UActive Publication Date: 2025-02-14PEKING UNIVERSITY THIRD HOSPITAL (THE THIRD CLINICAL MEDICAL SCHOOL OF PEKING UNIVERSITY)
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Patent Information

Application Number
CN202420841368.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-23
Publication Date
2025-02-14
Estimated Expiration
2034-04-23

AI Technical Summary

Technical Problem

When a traditional catheter is inserted into the urethra, the friction is high due to the contact between the entire outer wall and the inner wall of the urethra, which causes high friction, causing pain to the patient and may cause damage to the urethra.

Method used

A multifunctional catheter is designed, using a rubber block with a circular array and driven deformation arranged on the hose. The rolling member is installed at the top of the rubber block and the rubber block is expanded by an annular inflatable block to fix it in the bladder.

Benefits of technology

By reducing the contact area and friction between the catheter and the urethra, it reduces the patient's pain and urethra damage, improves the patient's comfort, and prevents the catheter from falling off automatically, making it convenient for doctors to use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a multifunctional catheter, which comprises a hose, the rubber blocks are circumferentially arrayed on the side wall of the hose and are driven to deform; the rolling pieces are linearly arrayed at the top end of the rubber block and are in running fit with the rubber block; and the driving piece at least comprises an annular inflation block which is fixedly mounted on the side wall of the hose and communicates with the rubber block. According to the multifunctional catheter provided by the utility model, the rubber block arranged on the hose forms the convex part, so that when the hose is inserted into the urethra, the top end of the rubber block is in contact with the inner wall of the urethra, and the contact area of the catheter and the urethra during intubation is reduced, so that the situation that the whole side wall of the hose is in contact with the urethra to cause urethra injury of a patient is avoided; when the urinary catheter is inserted into the bladder of the patient, the arrayed rubber blocks are inflated, so that the rubber blocks are expanded, the urinary catheter is fixed in the bladder, the urinary catheter is prevented from automatically falling off, the comfort of the patient is improved, and a doctor can use the urinary catheter more conveniently.
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Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, in particular to a multifunctional urinary catheter. Background Art

[0002] In hospitals, many patients are unable to urinate on their own after surgery, so doctors need to insert a catheter along the patient's urethra to assist urination, thereby ensuring that the urine in the patient's body can be discharged from the body. Traditional catheters are made of natural rubber. During the insertion process, the outer wall of the entire catheter contacts and rubs against the inner wall of the urethra. Since the inner wall of the urethra is relatively fragile, the patient needs to endure greater pain during the friction of the catheter, and the urethra may be damaged when the friction is large. Utility Model Content

[0003] The utility model aims to provide a multifunctional urinary catheter to solve the above problems.

[0004] In order to achieve the above object, the utility model provides the following technical solution: a multifunctional urinary catheter, comprising:

[0005] hose;

[0006] Rubber blocks arranged in a circumferential array on the side wall of the hose and driven to deform;

[0007] Rolling elements that are arranged in a linear array on the top of the rubber block and rotate in coordination;

[0008] The driving member at least comprises an annular inflatable block fixedly mounted on the side wall of the hose and connected to the rubber block.

[0009] Preferably, a cavity is provided in the rubber block, and the cavity consists of a lubricating liquid storage cavity and an air cavity, and a sealing plate is movably installed at the connection between the lubricating liquid storage cavity and the air cavity.

[0010] Preferably, a liquid spraying hole is formed on the side wall of the rubber block, and the liquid spraying hole is communicated with the lubricating liquid storage chamber.

[0011] Preferably, an air storage tank is provided in the annular inflatable block, and a linear array of conduits is provided in the air storage tank, and the conduits are communicated with the air cavity.

[0012] Preferably, an inflation tube is symmetrically arranged in the hose, and the inflation tube is connected to the air storage tank.

[0013] In the above technical scheme, a multifunctional urinary catheter provided by the utility model has the following beneficial effects: a convex portion is formed by the rubber block arranged on the hose, so that when the hose is inserted into the urethra, the top of the rubber block contacts the inner wall of the urethra, reducing the contact area between the catheter and the urethra during insertion, thereby avoiding the entire side wall of the hose from contacting the urethra and causing urethral damage to the patient, thereby increasing the patient's comfort during catheter insertion, and reducing the friction between the rubber block and the urethra by the rolling element installed on the rubber block, thereby avoiding excessive friction causing pain to the patient, and when the catheter is inserted into the patient's bladder, the rubber blocks in the array are inflated to expand the rubber blocks, thereby fixing them in the bladder, avoiding the catheter from automatically falling off, improving the patient's comfort while making it more convenient for doctors to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model.

[0017] Description of reference numerals:

[0018] 1. Hose; 2. Rubber block; 3. Rolling element; 4. Annular inflatable block; 5. Liquid spray hole; 6. Inflatable tube; 7. Conduit; 8. Sealing plate; 9. Air cavity; 10. Lubricating liquid storage cavity; 11. Air storage tank; 12. Cavity. DETAILED DESCRIPTION

[0019] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0020] like Figure 1-2 As shown, a multifunctional urinary catheter comprises:

[0021] Hose 1;

[0022] The rubber blocks 2 are arranged in a circumferential array on the side wall of the hose 1 and are driven to deform;

[0023] Rolling elements 3 are arranged in a linear array on the top of the rubber block 2 and rotate in coordination therewith;

[0024] The driving member at least comprises an annular inflatable block 4 fixedly mounted on the side wall of the hose 1 and connected to the rubber block 2.

[0025] Specifically, when the hose 1 is inserted into the patient's urethra, the raised portion formed by the rubber blocks 2 arrayed on the hose 1 contacts the inner wall of the urethra, so that the outer wall of the hose 1 cannot completely contact the inner wall of the urethra, thereby reducing the contact area between the catheter and the urethra and improving the patient's comfort. The rolling element 3 installed on the rubber block 2 reduces the friction between the rubber block 2 and the urethra, making the installation efficiency of the catheter faster and the comfort level improved. When the catheter is inserted into the patient's bladder, the rubber block 2 is inflated by the annular inflation block 4 to expand the rubber block 2, thereby fixing the catheter in the patient's bladder.

[0026] In the above embodiment, a convex portion is formed by the rubber block 2 arranged on the hose 1, so that when the hose 1 is inserted into the urethra, the top of the rubber block 2 contacts the inner wall of the urethra, reducing the contact area between the hose 1 and the urethra during catheter insertion, thereby avoiding the entire side wall of the hose 1 from contacting the urethra and causing urethral damage to the patient, thereby increasing the patient's comfort during catheter insertion, and reducing the friction between the rubber block 2 and the urethra by the rolling element 3 installed on the rubber block 2, thereby avoiding excessive friction causing pain to the patient. When the catheter is inserted into the patient's bladder, the rubber block 2 of the array is inflated to expand the rubber block 2, thereby fixing it in the bladder, avoiding the catheter from automatically falling off, improving the patient's comfort and making it more convenient for doctors to use.

[0027] As an embodiment further provided by the present invention, a cavity 12 is provided in the rubber block 2 , and the cavity 12 is composed of a lubricating liquid storage cavity 10 and an air cavity 9 , and a sealing plate 8 is movably installed at the connection between the lubricating liquid storage cavity 10 and the air cavity 9 .

[0028] Furthermore, a liquid spraying hole 5 is formed on the side wall of the rubber block 2 , and the liquid spraying hole 5 is connected to the lubricating liquid storage chamber 10 .

[0029] Specifically, the cavity 12 is divided into a lubricating liquid storage cavity 10 and an air cavity 9 by the installed sealing plate 8, so that when the air cavity 9 is inflated, the sealing plate 8 is driven to slide into the lubricating liquid storage cavity 10, and the sealing plate 8 is driven to move into the lubricating liquid storage cavity 10, so that the sealing plate 8 pushes the lubricating liquid in the lubricating liquid storage cavity 10 to flow out from the spray hole 5, so that the lubricating liquid lubricates the patient's urethra, which not only reduces the friction between the rubber block 2 and the urethra, but also improves the patient's comfort. When the sealing plate 8 abuts against the port of the spray hole 5, the sealing plate 8 seals the spray hole 5, so that the lubricating liquid in the cavity 12 can be completely discharged and maintained in a sealed state.

[0030] As another embodiment further provided by the present invention, an air storage tank 11 is provided in the annular inflatable block 4 , and a linear array of conduits 7 are provided in the air storage tank 11 , and the conduits 7 are communicated with the air cavity 9 .

[0031] Furthermore, an air filling tube 6 is symmetrically arranged in the hose 1 , and the air filling tube 6 is connected to the air storage tank 11 .

[0032] Specifically, the air storage tank 11 provided in the annular inflatable block 4 is inflated through the air filling pipe 6, so that the air storage tank 11 inputs the gas into the multiple air cavities 9 through the conduit 7, so that the air pressure pushes the sealing plate 8 to move into the liquid spray hole 5. When the sealing plate 8 seals the liquid spray hole 5, the air pressure drives the rubber block 2 to expand, so that the urinary catheter is fixed in the bladder to prevent the urinary catheter from falling off automatically.

[0033] Working principle: When the hose 1 is inserted into the patient's urethra, the rubber block 2 provided on the hose 1 forms a convex portion, so that the top of the rubber block 2 contacts the inner wall of the urethra, thereby avoiding the entire outer wall of the hose 1 from contacting the urethra, reducing the contact area between the catheter and the urethra, and the rolling element 3 installed on the rubber block 2 reduces the friction between the rubber block 2 and the inner wall of the urethra, making the installation efficiency of the catheter faster and more comfortable. The air storage tank 11 opened in the annular inflatable block 4 is inflated through the inflatable pipe 6, so that the air storage tank 11 passes through the inflatable pipe 6. The catheter 7 inputs gas into the air cavity 9 opened in the rubber block 2, so that the pressure in the air cavity 9 pushes the sealing plate 8 to move toward the spray hole 5 opened in the rubber block 2. During the movement of the sealing plate 8, the lubricating liquid in the lubricating liquid storage cavity 10 flows out from the spray hole 5, so that the lubricating liquid lubricates the inner wall of the urethra, thereby increasing the comfort of the patient. When the sealing plate 8 seals the spray hole 5, the rubber block 2 is expanded by continuously inflating the air cavity 9, so that the catheter can be fixed in the bladder to prevent the catheter from falling off automatically.

[0034] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A multifunctional urinary catheter, characterized in that: include: Hose (1); Rubber blocks (2) arranged in a circumferential array on the side wall of the hose (1) and driven to deform; Rolling elements (3) are arranged in a linear array on the top of the rubber block (2) and are rotatably matched; The driving member at least comprises an annular inflatable block (4) fixedly mounted on the side wall of the hose (1) and connected to the rubber block (2).

2. A multifunctional urinary catheter according to claim 1, characterized in that: A cavity (12) is provided in the rubber block (2), and the cavity (12) is composed of a lubricating liquid storage cavity (10) and an air cavity (9). A sealing plate (8) is movably installed at the connection between the lubricating liquid storage cavity (10) and the air cavity (9).

3. A multifunctional urinary catheter according to claim 1, characterized in that: A liquid spray hole (5) is provided on the side wall of the rubber block (2), and the liquid spray hole (5) is connected to the lubricating liquid storage chamber (10).

4. A multifunctional urinary catheter according to claim 1, characterized in that: An air storage tank (11) is provided in the annular inflatable block (4), and a linear array of conduits (7) is arranged in the air storage tank (11), and the conduits (7) are connected to the air cavity (9).

5. The multifunctional urinary catheter according to claim 1, characterized in that: An air filling tube (6) is symmetrically arranged in the hose (1), and the air filling tube (6) is connected to the air storage tank (11).