CN116212204A

CN116212204A - Multifunctional catheter and catheterization recovery device thereof

Info

Publication number: CN116212204A
Application number: CN202211721933.0A
Authority: CN
Inventors: 林厚维; 杭天
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-06-06

Abstract

The invention discloses a multifunctional catheter and a catheterization recovery device thereof, which belong to the technical field of medical equipment, and comprise a catheter, wherein the bottom of the catheter is fixedly connected with a first connector, the top of the catheter is fixedly connected with an air bag, one side of the catheter is fixedly connected with a flushing pipe, a one-way valve is arranged in the flushing pipe, the other side of the catheter is fixedly connected with the flushing pipe, and an inlet and outlet channel is arranged in the catheter.

Description

Multifunctional catheter and catheterization recovery device thereof

Technical Field

The invention relates to the technical field of medical equipment, in particular to a multifunctional catheter and a catheterization recovery device thereof.

Background

The catheter is a pipeline which is inserted into the urinary bladder by the urethra so as to drain urine, is a pipeline made of natural rubber, silicon rubber or polyvinyl chloride (PVC), can be inserted into the urinary bladder by the urethra so as to drain urine, and is fixed in the urinary bladder by an air bag near the head end of the catheter after being inserted into the urinary bladder, so that the catheter is not easy to break away, and the drainage tube is connected with a urine bag to collect urine.

The existing catheter generally has the functions of catheterization and bladder flushing, the catheter is internally provided with a pipeline communicated with the air bag so that the air bag can be inflated up by flushing water into the air bag, so that the catheter is effectively fixed in the bladder, the air bag is provided with certain elasticity, the catheter is fixed in the bladder for a long time according to different time when the catheter is left in the bladder according to the illness state of a patient, when the water and the air in the air bag are led out before the catheter is required to be taken out, the air bag is always in an expanded state and loses partial elasticity, all the air and the moisture in the air bag cannot be discharged, the volume of the air bag is increased, the patient is painful when the catheter is taken out, the moisture and the air in the air bag are required to be completely extracted by means of external extraction equipment, the probability of infection of the patient who frequently changes the catheter is increased, the urine bag corresponding to the catheter is also lack of fixing effect with the catheter, the problem that the connection is unstable and part of urine flows out along the catheter when the urine bag is changed easily occurs.

Based on the above, the invention designs a multifunctional catheter and a catheterization recovery device thereof to solve the problems.

Disclosure of Invention

The invention aims to provide a multifunctional catheter and a catheterization recovery device thereof, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a multifunctional catheter, includes the pipe, pipe bottom fixedly connected with first connector, pipe top fixedly connected with gasbag, one side fixedly connected with wash pipe of pipe, the inside check valve that is provided with of wash pipe, the opposite side fixedly connected with wash pipe of pipe, the inlet and outlet channel has been seted up to the inside inlet and outlet channel that has seted up of pipe, first connector, wash pipe all are put through with the inlet and outlet channel, the inside water flushing channel of having seted up of pipe, water flushing channel one end and gasbag dock, water flushing channel other end and water flushing pipe dock, be provided with drainage suction subassembly on the water flushing pipe, drainage suction device is used for sucking out from the urethra after the inside air of gasbag and moisture are used completely.

As a further scheme of the invention, the drainage suction component comprises a connecting column, a chute is formed in the flushing pipe, the caliber of the chute is larger than that of a pipeline in the flushing pipe, the connecting column is arranged in the chute in a sliding manner, a connecting frame is arranged on the chute in a penetrating manner, a sealing block is fixedly connected to the top of the connecting frame, the sealing block can be in sealing connection with the connecting column, a baffle plate is fixedly connected to the bottom of the connecting frame, clamping rings for fixedly connecting the connecting frame to the position on the connecting column are respectively fixedly connected to the outer walls of the upper side and the lower side of the connecting frame, connecting rods are respectively fixedly connected to the two sides of the bottom of the connecting column, connecting grooves are respectively formed in the two sides of the bottom of the flushing pipe, and connecting sleeves are sleeved outside the flushing pipe, and the bottoms of the connecting rods penetrate through the connecting grooves and are fixedly connected with the connecting sleeves.

As a further scheme of the invention, the urethral catheterization recovery device for the multifunctional urinary catheter comprises a urine bag, wherein the top of the urine bag is spirally connected with a butt joint, the inside of the butt joint is fixedly connected with a second connector, the second connector can be inserted into the inside of a first connector, the top of the second connector is provided with a second rubber sealing ring, the second rubber sealing ring is fixed in the butt joint, the inside of the first connector is fixedly connected with a first rubber sealing ring, clamping grooves are respectively formed in two sides of the bottom of the catheter, and a positioning and clamping assembly for being buckled with the clamping grooves is arranged on the butt joint and is used for fixedly connecting the catheter with the butt joint.

As a further scheme of the invention, the positioning and clamping assembly comprises a fixing seat, the fixing seat is fixed on one side of the top of the butt joint, the fixing seat is rotationally connected with a swing rod, the top of the swing rod is provided with a cone block, the bottom of the swing rod is provided with a pressing end, and one end of the pressing end is fixedly connected with a reset spring for resetting the pressing end.

As a further scheme of the invention, one end of the urine bag is fixedly connected with a brace, and the brace is used for sleeving and fixing the position of the urine bag with an external support.

As a further scheme of the invention, the top of the liquid inlet and outlet channel is provided with a flaring, and the outer walls of the guide pipes are smooth walls.

As a further scheme of the invention, the outer walls of the connecting columns are smooth walls, and the connecting columns can be in sealing fit with the inner walls of the sliding grooves.

As a further aspect of the present invention, the air bag is made of an elastic rubber material.

Compared with the prior art, the invention has the beneficial effects that:

1. the drainage suction device is adopted in the invention, when the air bag is filled with water and swelled, the flushing pipe can be sealed, so that the air and clean water in the air bag can not be extruded, the air bag can be kept in a good airtight condition, the water and the air in the air bag can be completely sucked out when the water and the air in the air bag are discharged, the problem that the air bag is inconvenient to take out from a patient because the air bag is wider than the guide pipe due to insufficient discharge amount of the air bag under the action of self pressure is avoided, and the drainage device is more convenient to use.

2. The urine bag is connected with the catheter through the rubber sealing ring, and the catheter is connected with the catheter through the rubber sealing ring.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic diagram of a multifunctional urinary catheter according to the present invention;

FIG. 3 is a schematic cross-sectional view of a multi-functional urinary catheter;

FIG. 4 is an enlarged schematic view of the structure of FIG. 3A;

FIG. 5 is a schematic view of a partial cross-sectional structure of a flush tube;

FIG. 6 is an enlarged schematic view of the structure of FIG. 5B;

fig. 7 is a schematic structural view of a urinary catheterization recovery device according to the present invention;

fig. 8 is a schematic cross-sectional view of the abutment.

In the drawings, the list of components represented by the various numbers is as follows:

1. an air bag; 2. a conduit; 3. a flushing pipe; 4. a water flushing pipe; 5. a first connector; 6. a clamping groove; 7. a first rubber sealing ring; 8. a liquid inlet and outlet channel; 9. flushing a water channel; 10. a chute; 11. a connecting groove; 12. connecting sleeves; 13. a sealing block; 14. a connecting frame; 15. a clasp; 16. a connecting column; 17. a baffle; 18. a connecting rod; 19. butt joint; 20. a urine bag; 21. a harness; 22. a second rubber sealing ring; 23. a second connector; 24. a cone block; 25. swing rod; 26. a fixing seat; 27. a pressing end; 28. and a return spring.

Detailed Description

Referring to fig. 1-8, the present invention provides a technical solution: the utility model provides a multifunctional catheter, includes pipe 2, pipe 2 bottom fixedly connected with first connector 5, pipe 2 top fixedly connected with gasbag 1, gasbag 1 is elastic rubber material, one side fixedly connected with wash pipe 3 of pipe 2, wash pipe 3 inside is provided with the check valve, pipe 2's opposite side fixedly connected with wash pipe 4, pipe 2 inside has seted up inlet and outlet channel 8, first connector 5, wash pipe 3 all are put through with inlet and outlet channel 8, pipe 2 inside has seted up towards water course 9, towards water course 9 one end and gasbag 1 butt joint, towards water course 9 other end and towards water pipe 4 butt joint, be provided with drainage suction component on the wash pipe 4, drainage suction device is used for sucking out the inside air of gasbag 1 and moisture completely so that pipe 2 pulls out from the urethra after using;

when the catheter is put into practical use, the catheter 2 is inserted into the bladder of a patient along the urethra, clear water is filled into the balloon 1 along the flushing channel 9 through the flushing pipe 4, the volume of the balloon 1 is increased and fixed at the joint of the bladder and the urethra after flushing, so that the catheter 2 is fixed in the urethra of the patient, when urine is produced by the patient, the urine in the bladder can be discharged out of the body along the catheter 2, when the patient needs to be internally nursed, the liquid medicine for flushing the bladder can be sent into the patient along the inlet and outlet channel 8 through the flushing pipe 3, as the one-way valve is arranged in the flushing pipe 3, the urine can not enter the flushing pipe 3 when being discharged through the inlet and outlet channel 8, the flushing pipe 3 can not be polluted by the urine, when the catheter 2 needs to be taken out after the use, the gas and the moisture in the balloon 1 can be completely sucked out through the drainage suction device on the flushing pipe 4, so that the balloon 1 can be restored to the position attached to the catheter 2, and then the catheter 2 can be taken out of the body of the patient.

As a further scheme of the invention, the drainage and suction assembly comprises a connecting column 16, wherein a chute 10 is formed in the flushing pipe 4, the caliber of the chute 10 is larger than the caliber of a pipeline in the flushing pipe 4, the connecting column 16 is slidably arranged in the chute 10, a connecting frame 14 is arranged on the chute 10 in a penetrating manner, a sealing block 13 is fixedly connected to the top of the connecting frame 14, the sealing block 13 can be in sealing connection with the connecting column 16, a baffle 17 is fixedly connected to the bottom of the connecting frame 14, clamping rings 15 for fixing the position of the connecting frame 14 on the connecting column 16 are fixedly connected to the outer walls of the upper side and the lower side of the connecting frame 14, connecting rods 18 are fixedly connected to the two sides of the bottom of the connecting column 16, connecting grooves 11 are respectively formed in the two sides of the bottom of the flushing pipe 4, connecting sleeves 12 are sleeved outside the flushing pipe 4, and the bottoms of the connecting rods 18 penetrate through the connecting grooves 11 and are fixedly connected with the connecting sleeves 12;

when the scheme is put into practical use, when water is filled into the air bag 1 through the flushing pipe 4, the initial state of the drainage pumping assembly is shown in fig. 5, clean water is fed into the air bag 1 through the unsealed connecting column 16, after water filling is completed, the connecting sleeve 12 is pulled, the connecting column 16 is driven to slide upwards through the connecting rod 18, when the top of the connecting frame 14 slides to the top of the chute 10, the connecting sleeve 12 is continuously pushed, the connecting rod 18 drives the connecting column 16 to slide upwards relative to the connecting frame 14, the positions of the connecting frame 14 and the sealing block 13 are fixed, the sealing block 13 is gradually inserted into the connecting column 16 for sealing, namely the whole flushing pipe 4 is sealed, so that moisture and gas in the air bag 1 cannot escape, the air bag 1 can be continuously in a swelling state, and the catheter 2 can be fixed in the urethra;

when the catheter 2 is required to be taken out to carry out exhaust treatment on the air bag 1, the connecting sleeve 12 is pulled downwards, the connecting rod 18 drives the connecting column 16 to slide downwards, the connecting frame 14 can slide downwards along with the connecting column 16 due to the limiting effect of the clamping ring 15 and the connecting column 16 until the bottom of the connecting frame 14 contacts with the bottom wall of the chute 10, the connecting column 16 slides downwards relative to the connecting frame 14, the sealing block 13 is separated from the inside of the connecting column 16, the sealing is released, the moisture and the air in the air bag 1 can be discharged, but the surface elasticity of the air bag 1 is reduced due to continuous expansion and cannot be restored to the position with the same width as the catheter 2, the connecting sleeve 12 can be pulled up and down repeatedly at the moment, when the connecting column 16 slides to the uppermost end, the inside of the flushing pipe 4 is sealed, the connecting sleeve 12 can be pulled downwards to bring the moisture and the air in the air bag 1, and the moisture in the air bag 1 are brought out by the connecting column 16 being separated from the seal of the clamping ring 15 when the connecting column 16 slides to the lowermost end, and the air bag 1 is discharged completely, and the air in the air bag 1 can be taken out from the patient conveniently through repeated pulling of the connecting sleeve 12.

As a further scheme of the invention, the urethral catheterization recovery device for the multifunctional urinary catheter comprises a urine bag 20, wherein the top of the urine bag 20 is spirally connected with a butt joint 19, the inside of the butt joint 19 is fixedly connected with a second connector 23, the second connector 23 can be inserted into the first connector 5, the top of the second connector 23 is provided with a second rubber sealing ring 22, the second rubber sealing ring 22 is fixed in the butt joint 19, the inside of the first connector 5 is fixedly connected with a first rubber sealing ring 7, clamping grooves 6 are respectively formed in two sides of the bottom of the catheter 2, the butt joint 19 is provided with a positioning and clamping assembly for being buckled with the clamping grooves 6, and the positioning and clamping assembly is used for fixedly connecting the catheter 2 with the butt joint 19;

according to the scheme, when the urine catheterization recovery device is put into practical use, the first connector 5 at the bottom of the catheter 2 is required to be in butt joint with the urine bag 20 to conveniently collect urine, when the urine bag 20 is used, the urine bag 20 and the catheter 2 are fixed through the positioning clamping assembly, the positioning clamping assembly is adopted, the urine bag 20 and the catheter 2 can be fixedly connected, firmness of the urine bag 20 in use is improved, the urine bag 20 cannot easily fall off, the first connector 5 is inserted into the butt joint 19 at the top of the urine bag 20, the bottom of the first connector 5 is in contact with the second rubber sealing ring 22, the second connector 23 is sleeved outside the second connector 23 after being extruded into the first connector 5 to be in contact with the first rubber sealing ring 7, after the first rubber sealing ring 7 and the second rubber sealing ring 22 are opened, the sealing condition at the bottom of the first connector 5 and the sealing condition inside the connector 19 are disconnected, the catheter 2 and the urine bag 20 can be communicated for use, and thus the urine bag 2 can be not uniformly mixed with the urine bag 20 when the urine bag 2 is not connected with the urine bag 20, and the urine bag is not completely removed from the urine bag 20, and urine is collected from the urine bag 20 after the urine bag is not completely filled into the urine bag, and urine bag is not completely discharged from the urine bag.

As a further scheme of the invention, the positioning and clamping assembly comprises a fixed seat 26, the fixed seat 26 is fixed on one side of the top of the butt joint 19, a swing rod 25 is rotatably connected to the fixed seat 26, a cone block 24 is arranged on the top of the swing rod 25, a pressing end 27 is arranged at the bottom of the swing rod 25, and a reset spring 28 for resetting the pressing end 27 is fixedly connected to one end of the pressing end;

when the scheme is put into practical use, when the first connector 5 is in butt joint with the butt joint 19, the pressing end 27 is pressed firstly, so that the swing rod 25 rotates around the fixed seat 26 to compress the reset spring 28, the top space of the swing rod 25 is enlarged, after the first connector 5 is inserted into the butt joint 19, the pressing end 27 is loosened, the swing rod 25 rotates to reset under the elastic force of the reset spring 28, the cone block 24 at the top of the swing rod 25 can be inserted into the clamping groove 6 on the catheter 2, the catheter 2 is fixed with the urine bag 20, and when the urine bag 20 needs to be replaced, the pressing end 27 is pressed again, so that the cone block 24 slides from the inside of the clamping groove 6, and the catheter 2 can be pulled out.

As a further scheme of the invention, one end of the urine bag 20 is fixedly connected with a brace 21, and the brace 21 is used for sleeving and fixing the position of the urine bag 20 with an external support;

when the scheme is put into practical use, the urine bag 20 can be hung on a supporting object through the braces 21, so that the position of the urine bag 20 can be conveniently fixed.

As a further scheme of the invention, the top of the liquid inlet and outlet channel 8 is provided with a flaring, and the outer walls of the guide pipes 2 are smooth walls;

when the scheme is put into practical use, the flaring type liquid inlet and outlet channel 8 can achieve better drainage effect, and further facilitates urination of patients.

As a further scheme of the invention, the outer walls of the connecting columns 16 are smooth walls, and the connecting columns 16 can be in sealing fit with the inner walls of the sliding grooves 10;

when the scheme is put into practical use, the smooth connecting column 16 has small friction force when sliding in the chute 10, and the sealing connecting column 16 and the chute 10 can effectively prevent clear water from flowing outwards.

Working principle: when the catheter is used, the catheter 2 is inserted into the bladder of a patient along the urethra, when the air bag 1 is filled with water through the flushing pipe 4, the initial state of the drainage suction assembly is shown in fig. 5, at the moment, clear water is fed into the air bag 1 through the unsealed connecting column 16, after the water filling is finished, the connecting sleeve 12 is pulled, the connecting column 16 is driven to slide upwards through the connecting rod 18, after the top of the connecting frame 14 slides to the top of the chute 10, the connecting rod 18 continues to push the connecting sleeve 12, the connecting column 16 is driven to slide upwards relative to the connecting frame 14, the positions of the connecting frame 14 and the sealing block 13 are fixed, the sealing block 13 is gradually inserted into the inner sealing of the connecting column 16, namely, the whole flushing pipe 4 is sealed, so that moisture and gas in the air bag 1 can not run out, the air bag 1 can be continuously in a fluctuant state, the catheter 2 can be fixed in the inner part of the urethra, the volume of the air bag 1 is increased and fixed in the interface of the bladder, thereby the catheter 2 is fixed in the urethra of the patient, when the patient generates urine, the urine in the bladder is discharged out of the body along the connecting frame 10, the connecting column 16 slides upwards, the connecting column 13 relative to the connecting frame 14, the sealing block 13 is sealed up, the inner side of the connecting frame is required to the connecting frame, the water is sealed through the connecting frame 3, the urine 3 is discharged into the urine liquid 3 through the inner flushing pipe 3, and the inner urine liquid 3 is not polluted by the inner urine 3, and can not pass through the flushing pipe 3, and the inner flushing pipe 3 is discharged into the inner urine 3, and is not filled into the inner flushing pipe 3, and is discharged through the flushing pipe 3, and is sealed through the flushing pipe, and is sealed through the inner 3;

when the urine guiding and recovering device is used, the first connector 5 at the bottom of the catheter 2 is required to be in butt joint with the urine bag 20 to conveniently collect urine, when the urine bag 20 is used, the urine bag 20 is fixed with the catheter 2 through the positioning and clamping assembly, the urine bag 20 and the catheter 2 can be fixedly connected by adopting the positioning and clamping assembly, the firmness of the urine bag 20 in use is improved, the catheter 2 and the urine bag 20 can not easily fall off, when the first connector 5 is inserted into the butt joint 19 at the top of the urine bag 20, the bottom of the first connector 5 is in contact with the second rubber sealing ring 22, the second rubber sealing ring 22 is pressed to be sleeved outside the second connector 23 after being opened, the second connector 23 is pressed to be opened after entering the first connector 5 and being in contact with the first rubber sealing ring 7, and after the first rubber sealing ring 7 and the second rubber sealing ring 22 are opened, the sealing condition at the bottom of the first connector 5 and the sealing condition inside the butt joint 19 are disconnected, and the catheter 2 and the urine bag 20 can be communicated for use at the moment, and the urine bag 2 and the urine bag 20 can not flow out of the urine bag 20, and the urine bag is not dropped into the urine bag 20 after the urine bag is completely and the urine bag is completely collected, and the urine bag is not dropped into the urine bag 20 after the urine bag is completely and the urine bag is completely filled;

when the catheter 2 needs to be taken out to carry out exhaust treatment on the air bag 1, the connecting sleeve 12 is pulled downwards, the connecting rod 18 drives the connecting column 16 to slide downwards, the connecting frame 14 can slide downwards along with the connecting column 16 due to the limiting effect of the clamping ring 15 and the connecting column 16 until the bottom of the connecting frame 14 contacts with the bottom wall of the chute 10, the connecting column 16 continuously pulls the connecting sleeve 12 until the connecting column 16 slides downwards relative to the connecting frame 14, the sealing block 13 is separated from the inside of the connecting column 16, the sealing is released, moisture and gas in the air bag 1 can be discharged, but the surface elasticity of the air bag 1 is reduced due to continuous expansion and cannot be restored to the position the same as the width of the catheter 2, the connecting sleeve 12 can be pulled up and down repeatedly at the moment, when the connecting column 16 slides to the uppermost end, the inside of the flushing pipe 4 is sealed, the connecting sleeve 12 can bring the moisture and the gas in the air bag 1 downwards, and the gas in the air bag 1 are brought out through the sealing of the connecting column 16 and the clamping ring 15 when the connecting column 16 slides to the lowermost end, the gas and the moisture in the air bag 1 are completely discharged, the gas in the air bag 1 and the air bag 1 are completely discharged through repeated pulling the connecting sleeve 12, the air bag 1 is completely discharged, and the water is completely sucked from the air bag 1 after the catheter 2 is completely used, and the air bag 1 is completely sucked out from the position of the catheter 2, and the air bag 1 is completely required to be completely sucked out, and the air device after the air is completely and drained from the air bag 2.

Claims

1. The utility model provides a multifunctional urinary catheter, includes pipe (2), pipe (2) bottom fixedly connected with first connector (5), pipe (2) top fixedly connected with gasbag (1), one side fixedly connected with wash pipe (3) of pipe (2), wash pipe (3) inside is provided with the check valve, the opposite side fixedly connected with wash pipe (4) of pipe (2), inlet and outlet channel (8) have been seted up to pipe (2) inside, first connector (5), wash pipe (3) all are put through with inlet and outlet channel (8), wash channel (9) have been seted up to pipe (2) inside, wash channel (9) one end and gasbag (1) butt joint, wash channel (9) other end and wash pipe (4) butt joint, its characterized in that: the drainage and suction assembly is arranged on the flushing pipe (4), and the drainage and suction device is used for completely sucking out air and moisture in the air bag (1) so as to facilitate the catheter (2) to be pulled out from the urethra after being used.

2. A multi-functional urinary catheter according to claim 1, wherein: drainage suction subassembly includes spliced pole (16), spout (10) have been seted up to water pipe (4) inside, the bore size of spout (10) is greater than water pipe (4) inside pipeline bore size, spliced pole (16) sliding arrangement is inside spout (10), run through on spout (10) and be provided with link (14), link (14) top fixedly connected with sealing block (13), sealing block (13) can with spliced pole (16) sealing connection, link (14) bottom fixedly connected with separation blade (17), snap ring (15) that are used for fixed connection frame (14) are in position on spliced pole (16) on the outer wall of both sides about link (14) respectively, connecting rod (18) are all fixedly connected with respectively in spliced pole (16) bottom both sides, connecting groove (11) have been equally divided to water pipe (4) bottom, connecting sleeve (12) have been cup jointed to water pipe (4) outside, connecting rod (18) bottom is passed connecting groove (11) and is fixedly connected with adapter sleeve (12).

3. A urinary catheterization recovery device for a multifunctional urinary catheter according to claim 1, comprising a urine bag (20), characterized in that: the urine bag is characterized in that the top of the urine bag (20) is spirally connected with the butt joint (19), a second connector (23) is fixedly connected to the inside of the butt joint (19), the second connector (23) can be inserted into the first connector (5), a second rubber sealing ring (22) is arranged at the top of the second connector (23), the second rubber sealing ring (22) is fixed inside the butt joint (19), a first rubber sealing ring (7) is fixedly connected to the inside of the first connector (5), clamping grooves (6) are respectively formed in two sides of the bottom of the catheter (2), and a positioning clamping assembly used for being buckled with the clamping grooves (6) is arranged on the butt joint (19) and used for fixedly connecting the catheter (2) with the butt joint (19).

4. A urinary catheterization retrieval device for a multi-functional urinary catheter according to claim 3, characterized in that: the positioning and clamping assembly comprises a fixing seat (26), the fixing seat (26) is fixed on one side of the top of the butt joint (19), a swing rod (25) is rotationally connected to the fixing seat (26), a conical block (24) is arranged on the top of the swing rod (25), a pressing end (27) is arranged at the bottom of the swing rod (25), and a reset spring (28) for resetting the pressing end (27) is fixedly connected to one end of the pressing end (27).

5. A urinary catheterization retrieval device for a multi-functional urinary catheter according to claim 3, characterized in that: one end of the urine bag (20) is fixedly connected with a brace (21), and the brace (21) is used for sleeving and fixing the position of the urine bag (20) with an external support.

6. A multi-functional urinary catheter according to claim 1, wherein: the top of the liquid inlet and outlet channel (8) is provided with a flaring, and the outer walls of the guide pipes (2) are smooth walls.

7. A urinary catheterization retrieval device for a multi-functional urinary catheter according to claim 3, characterized in that: the outer walls of the connecting columns (16) are smooth walls, and the connecting columns (16) can be in sealing fit with the inner walls of the sliding grooves (10).

8. A multi-functional urinary catheter according to claim 1, wherein: the air bag (1) is made of elastic rubber material.