CN219440185U

CN219440185U - Urethral catheterization device

Info

Publication number: CN219440185U
Application number: CN202320719264.7U
Authority: CN
Inventors: 胡婷
Original assignee: Second Affiliated Hospital Army Medical University
Current assignee: Second Affiliated Hospital Army Medical University
Priority date: 2023-04-04
Filing date: 2023-04-04
Publication date: 2023-08-01
Anticipated expiration: 2033-04-04

Abstract

The utility model belongs to the technical field of catheters, and particularly relates to a catheter which comprises a catheter mechanism and a catheter communicated with a catheter channel in the catheter mechanism, wherein urine flows into the catheter channel through the catheter during catheterization, at least part of the catheter is a hose, the catheter mechanism comprises a catheter tank and a sleeve, the catheter channel is formed in the catheter tank and the sleeve, the urine sequentially passes through the catheter tank and the sleeve when flowing in the catheter channel, a piston and a piston rod are arranged in the sleeve in a sliding manner, the bottom end of the piston rod is arranged on the top surface of the piston, and the top end of the piston rod is extended to the outer side of the top of the sleeve in a sliding manner. According to the utility model, the hose part of the catheter is convenient for inserting the catheter into the bladder, the interior of the catheter tank is convenient for communicating with the bladder, and when the piston rod is pulled outwards, the piston is driven to move outwards in the sleeve, so that negative pressure is formed in the catheter tank, and urine in the bladder is conveniently led out.

Description

Urethral catheterization device

Technical Field

The utility model belongs to the technical field of catheters, and particularly relates to a catheter.

Background

The catheter is used for urinary surgical drainage. The urinary organ is anatomically in a ductal structure, urine is produced by the kidneys and is expelled from the body through the kidney, ureters, bladder and urethra. The unobstructed urine drainage is the basis of urinary physiology, and under pathological conditions, particularly in the case of obstructive diseases, the unobstructed drainage is the key to treatment.

The urinary tract is generally dredged by implanting a urinary catheter, urine is led into a urinary bag through the urinary catheter, and when the urinary bag is higher than the bladder, the urine in the urinary bag has reflux, so that the infection of a patient occurs; in addition, when the urine guiding bag leaks, the environment is polluted, and meanwhile, peculiar smell is emitted; in addition, after a part of urine is exported, when the pressure in the urine bag is higher than the pressure in the bladder, the residual urine cannot be exported, and the practicability of the device is greatly reduced.

Disclosure of Invention

The present utility model is directed to a urinary catheter for solving the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a urine guide comprises a urine guide mechanism and a urine guide pipe communicated with a urine guide channel in the urine guide mechanism, wherein urine flows into the urine guide channel through the urine guide pipe during urine guide, and at least part of the urine guide pipe is a hose;

the urine guiding mechanism comprises a urine guiding tank and a sleeve, the urine guiding channel is formed in the urine guiding tank and the sleeve, and urine sequentially passes through the urine guiding tank and the sleeve when flowing in the urine guiding channel.

Preferably, the piston and the piston rod are sequentially installed in the sleeve, the piston is slidably installed in the sleeve, the circumferential side wall of the piston is slidably attached to the inner wall of the sleeve, the bottom end of the piston rod is installed on the top surface of the piston, the top end of the piston rod is slidably extended to the outer side of the top of the sleeve, and the piston rod is deviated from one end of the piston to be provided with the pressing plate.

Preferably, the bottom end of the sleeve is provided with a communicated sealing cover, the bottom end of the sealing cover is protruded with external threads, and the external threads can be screwed on the opening end of the top of the urethral catheterization tank;

a sealing gasket is arranged between the sealing cover and the urethral catheterization tank, and the sealing gasket is sleeved on the external thread.

Preferably, a liquid inlet connector is arranged on the outer side of the top of the urethral catheterization tank, and one end of the urethral catheter is inserted into the liquid inlet connector.

Preferably, a urine absorbing and collecting mechanism is arranged in the urine guiding tank and comprises water permeable cloth and water absorbent resin, and the water permeable cloth is wrapped outside the water absorbent resin.

Preferably, a fastening bolt is arranged on the outer side of the top of the sleeve, and one end of the fastening bolt penetrates through the side wall of the sleeve in a threaded manner and is abutted against the outer wall of the piston rod;

the outside of the top of the sleeve is provided with a threaded hole, and the fastening bolt is screwed in the threaded hole.

Preferably, the sealing cover is provided with a negative pressure meter, and one end of the negative pressure meter extends into the catheterization tank.

Compared with the prior art, the utility model has the following beneficial effects:

(1) The utility model is convenient for inserting the catheter into the bladder through the hose part by arranging the catheter, and at least part of the catheter is a hose, thereby being convenient for communicating the interior of the catheter tank (1) with the bladder.

(2) According to the urine collecting device, the sealing cover arranged on the urine guiding tank is convenient to take out urine in the urine guiding tank after the sealing cover is detached.

(3) According to the urine guiding device, the sleeve, the piston and the piston rod are arranged on the urine guiding tank, and when the piston rod is pulled outwards, the piston is driven to move outwards in the sleeve, so that negative pressure is formed in the urine guiding tank, and urine in the bladder is conveniently guided out.

(4) According to the utility model, the negative pressure gauge is arranged on the sealing cover, so that the negative pressure in the urethral catheterization tank is observed through the appearance of the negative pressure, the excessive negative pressure in the urethral catheterization tank is avoided, and the bladder is prevented from being damaged.

(5) According to the utility model, the fastening bolt is arranged on the sleeve, so that the position of the piston is positioned, a certain negative pressure space is always kept in the urethral catheterization tank, and the urethral catheterization tank does not need to be supported manually.

(6) According to the utility model, the water-absorbent resin is arranged in the urine guiding tank, so that urine in the urine guiding tank can be absorbed, and the urine backflow is avoided.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a front view of the present utility model;

FIG. 3 is a schematic view of the seal of the present utility model mated with a seal cap;

in the figure: 1. a urinary catheterization tank; 2. a liquid inlet joint; 3. a urinary catheter; 4. a sealing gasket; 5. sealing cover; 6. a negative pressure meter; 7. a pressing plate; 8. a piston rod; 9. a fastening bolt; 10. a sleeve; 11. a piston; 12. an external thread; 13. a water permeable cloth; 14. a water-absorbent resin; 15. and (3) a threaded hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 2, the utility model provides a catheter, which comprises a catheter mechanism and a catheter 3 communicated with a catheter channel in the catheter mechanism, wherein urine flows into the catheter channel through the catheter 3 during catheterization, and at least part of the catheter 3 is a hose.

In the utility model, as shown in connection with fig. 1, the catheterization mechanism of the present embodiment comprises a catheterization tank 1 and a sleeve 10, a catheterization channel is formed in the catheterization tank 1 and the sleeve 10, and urine sequentially passes through the catheterization tank 1 and the sleeve 10 when circulating in the catheterization channel.

As shown in fig. 1, a piston 11 and a piston rod 8 are sequentially installed in a sleeve 10, the piston 11 is slidably installed in the sleeve 10, the circumferential side wall of the piston 11 is slidably attached to the inner wall of the sleeve 10, the bottom end of the piston rod 8 is installed on the top surface of the piston 11, the top end of the piston rod 8 is slidably extended to the outer side of the top of the sleeve 10, and a pressing plate 7 is installed at one end, deviating from the piston 11, of the piston rod 8.

Referring to fig. 3, the bottom end of the sleeve 10 is provided with a communicated sealing cover 5, the outer side of the bottom end of the sealing cover 5 is provided with an external thread 12 in a protruding mode, and the external thread 12 can be screwed at the open end of the top of the catheterization tank 1; a sealing gasket 4 is arranged between the sealing cover 5 and the urinary catheter 1, and the sealing gasket 4 is sleeved on the external thread 12. Wherein, catheterization jar 1 and sealed lid 5 are transparent material and make, can see its internal condition.

When the urethral catheterization mechanism provided by the utility model is used, the tank body of the urethral catheterization tank 1 is connected with the urethral catheter 3, the sealing gasket 4 is sleeved on the external thread 12, meanwhile, the sealing cover 5 is screwed on the opening end of the top of the urethral catheterization tank 1 through the external thread 12, in the process, the sealing gasket 4 is filled in a gap between the sealing cover 5 and the urethral catheterization tank 1 under pressure between the sealing cover 5 and the urethral catheterization tank 1, so that a sealed urine storage space is formed between the sealing cover 5 and the urethral catheterization tank 1; then the piston rod 8 is pushed downwards through the pressing plate 7, the piston rod 8 drives the piston 11 to be pushed downwards to the lowest position in the sleeve 10, at the moment, air in the urine storage space is discharged through the catheter 3, one end of the catheter 3 is led into the bladder, urine in the bladder enters the urine storage space under pressure, when the pressure in the bladder is insufficient to lead urine into the urine storage space, the piston rod 8 is pulled outwards, so that the piston 11 is driven to slide outwards in the sleeve 10, negative pressure is formed in the urine storage space, and the urine in the bladder is led out conveniently.

When urine is not in the bladder, the piston rod 8 can be drawn outwards to drive the piston 11 to slide outwards in the sleeve 10, so that negative pressure is formed in the urine storage space, and when urine is generated in the bladder, the urine in the bladder can be sucked into the urine storage space through the negative pressure in the urine storage space.

Further, a liquid inlet connector 2 is arranged on the outer side of the top of the urethral catheterization tank 1, and one end of the urethral catheter 3 is inserted into the liquid inlet connector 2. The catheter 3 and the catheter tank 1 can be detached through the liquid inlet connector 2, so that the replacement is convenient.

Further, a fastening bolt 9 is installed on the outer side of the top of the sleeve 10, and one end thread of the fastening bolt 9 penetrates through the side wall of the sleeve 10 and abuts against the outer wall of the piston rod 8; a threaded hole 15 is formed in the outer side of the top of the sleeve 10, and the fastening bolt 9 is screwed in the threaded hole 15.

When the negative pressure is preset for the urine storage space, one end of the fastening bolt 9 extends into the sleeve 10 through the threaded hole 15 and is abutted to the piston rod 8, so that after the force applied to the piston rod 8 is prevented from disappearing, the piston 11 automatically resets under the negative pressure, the negative pressure in the urine storage space is caused to disappear, and the function of negative pressure catheterization cannot be achieved.

Further, a negative pressure meter 6 is arranged on the sealing cover 5, and one end of the negative pressure meter 6 extends into the catheterization tank 1. The air tightness in the urine storage space can be judged in the using process of the device through the negative pressure meter 6, and meanwhile, when the urine storage space is subjected to negative pressure operation, the negative pressure can be judged through the negative pressure meter 6, so that the damage of the bladder caused by overlarge negative pressure is avoided.

In the present utility model, as shown in FIG. 3, the urine collection means is provided in the urinary catheter 1 of the present embodiment, and the collection means includes a water-permeable cloth 13 and a water-absorbent resin 14, and the water-permeable cloth 13 is wrapped around the outside of the water-absorbent resin 14.

In the above, in the collecting mechanism provided by the utility model, the water permeable cloth 13 is sewn into a bag-shaped structure, the water absorbent resin 14 is filled in the bag shape, and then the water permeable cloth 13 is placed in the urinary catheter 1, when urine enters the urinary catheter 1, the urine is absorbed through the water absorbent resin 14, so that the urine is prevented from flowing back, and meanwhile, the urine is conveniently taken out.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The urine guide device is characterized by comprising a urine guide mechanism and a urine guide pipe (3) communicated with a urine guide channel in the urine guide mechanism, wherein urine flows into the urine guide channel through the urine guide pipe (3) during urine guide, and at least part of the urine guide pipe (3) is a hose;

the urine guiding mechanism comprises a urine guiding tank (1) and a sleeve (10), the urine guiding channel is formed in the urine guiding tank (1) and the sleeve (10), and urine sequentially passes through the urine guiding tank (1) and the sleeve (10) when flowing in the urine guiding channel.

2. A urinary catheter as in claim 1, wherein: the piston is characterized in that a piston (11) and a piston rod (8) are sequentially arranged in the sleeve (10), the piston (11) is slidably arranged in the sleeve (10), the circumferential side wall of the piston (11) is slidably attached to the inner wall of the sleeve (10), the bottom end of the piston rod (8) is arranged on the top surface of the piston (11), the top end of the piston rod (8) is slidably extended to the outer side of the top of the sleeve (10), and the piston rod (8) is deviated from one end of the piston (11) to be provided with a pressing plate (7).

3. A urinary catheter as in claim 1, wherein: the bottom end of the sleeve (10) is provided with a communicated sealing cover (5), an external thread (12) is arranged on the outer side of the bottom end of the sealing cover (5) in a protruding mode, and the external thread (12) can be screwed on the opening end of the top of the urinary catheter (1);

a sealing gasket (4) is arranged between the sealing cover (5) and the urethral catheterization tank (1), and the sealing gasket (4) is sleeved on the external thread (12).

4. A urinary catheter as in claim 1, wherein: the outside of the top of the urethral catheterization tank (1) is provided with a communicated liquid inlet joint (2), and one end of the urethral catheter (3) is inserted into the liquid inlet joint (2).

5. A urinary catheter as in claim 1, wherein: the urine collection device is characterized in that a urine collection mechanism is arranged in the urine guide tank (1) and comprises a water permeable cloth (13) and a water absorbent resin (14), and the water permeable cloth (13) is wrapped outside the water absorbent resin (14).

6. A urinary catheter as in claim 2, wherein: a fastening bolt (9) is arranged on the outer side of the top of the sleeve (10), and one end thread of the fastening bolt (9) penetrates through the side wall of the sleeve (10) and is abutted against the outer wall of the piston rod (8);

threaded holes (15) are formed in the outer side of the top of the sleeve (10), and the fastening bolts (9) are screwed into the threaded holes (15).

7. A urinary catheter as claimed in claim 3, wherein: the sealing cover (5) is provided with a negative pressure meter (6), and one end of the negative pressure meter (6) extends into the urethral catheterization tank (1).