CN215309542U

CN215309542U - Three-cavity catheter

Info

Publication number: CN215309542U
Application number: CN202120420821.6U
Authority: CN
Inventors: 曾燕; 张小林; 张薇; 蔡永祥
Original assignee: Northern Jiangsu Peoples Hospital
Current assignee: Northern Jiangsu Peoples Hospital; Subei Peoples Hospital of Jiangsu Province
Priority date: 2021-02-25
Filing date: 2021-02-25
Publication date: 2021-12-28
Anticipated expiration: 2031-02-25

Abstract

The utility model provides a three-cavity catheter, which belongs to the field of medical consumables and comprises a drainage tube, an air bag end branch tube, a drainage end branch tube and a flushing end branch tube, wherein the air bag end branch tube, the drainage end branch tube and the flushing end branch tube are arranged at the tail end of the drainage tube, a blocking piece is arranged on the flushing end branch tube, and the blocking piece is a conical plug or a clamping and buckling component arranged on the side wall of the flushing end branch tube so as to block the flushing end branch tube after flushing is finished. According to the three-cavity catheter, the blocking piece is arranged on the flushing end branch pipe, so that the flushing end branch pipe is directly blocked by the blocking piece after flushing is finished, a drainage bag or other objects are not needed for sealing the flushing end branch pipe, and the three-cavity catheter is convenient to use.

Description

Three-cavity catheter

Technical Field

The utility model belongs to the field of medical consumables, and particularly relates to a three-cavity catheter.

Background

The catheter is a pipeline made of natural rubber, silicon rubber or polyvinyl chloride (PVC) and is used for being inserted into a bladder to drain urine, the catheter is inserted into the bladder from a urethra, after the catheter is inserted into the bladder, an air bag is arranged at the end close to the end of the catheter to fix the catheter to be left in the bladder so that the catheter is not easy to fall off, and at the moment, the drainage tube is connected with a urine bag to collect urine.

The three-cavity catheter is a catheter with three cavities and comprises an air bag end, a drainage end and a flushing end, wherein the drainage end and the flushing end are communicated with an inner bladder and the outside, and the flushing end is usually connected with a drainage bag or other suitable objects to seal the bladder after the bladder is flushed, so that the defect of inconvenient use is caused.

SUMMERY OF THE UTILITY MODEL

Based on the background problem, the utility model aims to provide a three-cavity catheter, wherein the flushing end branch pipe is provided with a blocking piece, the flushing end branch pipe is directly closed by the blocking piece after flushing is stopped, a drainage bag or other objects are not used for closing the flushing end branch pipe, and the three-cavity catheter is convenient to use.

In order to achieve the above purpose, the embodiment of the present invention provides the following technical solutions:

three chamber catheters, including the drainage tube and set up gasbag end branch pipe, drainage end branch pipe, the end branch pipe of washing at the drainage tube end, wash and be equipped with the plug piece on the end branch pipe to wash the end branch pipe and block up after washing.

In one embodiment, the blocking member is a conical plug having a central opening with a one-way valve disposed therein to allow the syringe to inject fluid through the central opening and prevent fluid from flowing outward.

Preferably, the central aperture matches the size of the syringe nipple.

Preferably, the conical plug is removably arranged.

In one embodiment, the blocking member is a clip assembly disposed on a side wall of the flushing end branch pipe for squeezing the flushing end branch pipe to close the flushing end branch pipe.

Preferably, the clip subassembly comprises fixed part and movable part, the fixed part is fixed with the lateral wall that washes the end branch pipe, the movable part with the fixed part passes through the torsional spring and rotates the connection.

More preferably, the inner side of the fixed part is provided with an arc-shaped groove matched with the radian of the flushing end branch pipe, and the inner side of the movable part is provided with a bulge matched with the arc-shaped groove.

In one embodiment, the three-cavity catheter further comprises an air bag, wherein the air bag is sleeved on the drainage tube and is communicated with the air bag end branch tube.

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

1. according to the three-cavity catheter, the blocking piece is arranged on the flushing end branch pipe, so that the flushing end branch pipe is directly blocked by the blocking piece after flushing is finished, a drainage bag or other objects are not needed for sealing the flushing end branch pipe, and the three-cavity catheter is convenient to use.

2. The plugging piece is a conical plug, a central hole is formed in the conical plug, and a one-way valve is arranged at the central hole, so that liquid medicine or water injection into the bladder through the injector is facilitated, liquid outflow can be prevented, liquid injection is performed through the central hole, and the problem of inconvenience in flushing and liquid injection caused by mismatching of the injector nipple and the flushing end branch pipe is avoided.

3. The blocking piece is a clamping and buckling component, and when the blocking piece is washed, the movable part is separated from the fixed part; after washing, to the application of force of movable part, the movable part is close to gradually with the fixed part, washes the end branch pipe through protruding extrusion, hugs closely the lock until movable part and fixed part to will wash the end branch pipe and seal convenient to use.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below.

FIG. 1 is a schematic structural view of a three-lumen catheter in example 1 of the present invention;

FIG. 2 is a schematic structural view of a conical plug in example 1 of the present invention;

FIG. 3 is a schematic structural view of a three-lumen catheter in example 2 of the present invention;

fig. 4 is a schematic structural view of a clip assembly in embodiment 2 of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "top", "bottom", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", etc. indicate the orientations or positional relationships indicated based on the use states of the products, and are only for convenience of description and simplification of description, but do not indicate or imply that the devices or elements referred to must have specific orientations, be constructed in specific orientations, and be operated, and thus, should not be construed as limiting the present invention.

Example 1

In order to solve the defect of inconvenient use of the existing three-cavity catheter, an embodiment of the utility model provides a three-cavity catheter, as shown in fig. 1, which comprises a drainage tube 1, an air bag end branch tube 2, a drainage end branch tube 3, a flushing end branch tube 4 and an air bag 5, wherein the air bag end branch tube 2, the drainage end branch tube 3 and the flushing end branch tube 4 are all arranged at the tail end of the drainage tube 1, the air bag 5 is sleeved on the drainage tube 1 and is arranged near the head end of the drainage tube 1, the air bag end branch tube 2 is communicated with the air bag 5, and the drainage end branch tube 3 and the flushing end branch tube 4 are both communicated with the drainage tube 1.

Wash and be equipped with the shutoff piece on the end branch pipe 4 to the end that will wash end branch pipe 4 after washing blocks up, in this embodiment, as shown in fig. 1 and 2, the shutoff piece is toper stopper 6, toper stopper 6 can be dismantled and set up, after washing the end, fills in toper stopper 6 and washes the end of end branch pipe 4 and can form the jam.

For convenience of use, the tapered plug 6 is connected to the side wall of the flushing end branch pipe 4 through a connecting piece in the embodiment, so as to prevent the tapered plug 6 from being lost, the connecting piece can be a connecting rope or a soft belt, and the embodiment is not particularly limited.

As shown in figure 2 in particular, the conical plug 6 is provided with a central hole 601, the central hole 601 is provided with a one-way valve, so that liquid medicine or water injection into the bladder can be conveniently injected through the injector, liquid outflow can be prevented, and the liquid injection through the central hole 601 avoids the problem of inconvenient liquid injection due to the fact that the injector nipple and the flushing end branch pipe 4 are not matched.

In order to ensure the successful filling, the central hole 601 is provided to match the size of the syringe nipple.

It should be noted that the airbag 4, the airbag end branch tube 2, and the check valve are conventional products, and the structure and principle thereof are not described again in this embodiment.

Example 2

Three-lumen catheter, as shown in fig. 3, differs from embodiment 1 in that the blocking member of this embodiment is a clip assembly 7 provided on the side wall of the branch irrigation end tube 4 for pressing the branch irrigation end tube 4 to close the branch irrigation end tube.

As shown in fig. 4, the clip assembly 7 comprises a fixed part 701 and a movable part 702, and the fixed part 701 is fixed to the side wall of the flushing end branch pipe 4.

The movable part 702 is rotatably connected with the fixed part 701 through a torsion spring, the movable part 702 is separated from the fixed part 701 under the action of the torsion spring in an initial state, the flushing end branch pipe 4 is kept smooth, after flushing is finished, external force is applied to the movable part 702, the movable part 702 is close to the fixed part 701 and extrudes the flushing end branch pipe 4, and after the movable part 702 and the fixed part 701 are tightly buckled, the flushing end branch pipe 4 is blocked and sealed.

In order to guarantee the blocking and sealing effect, the inner side of the fixing portion 701 is provided with an arc-shaped groove 703, the arc-shaped groove 703 is matched with the radian of the flushing end branch pipe 4, the flushing end branch pipe 4 is fixed in the arc-shaped groove 703, the inner side of the movable portion is provided with a protrusion 704 matched with the arc-shaped groove 703, when the movable portion 702 is close to the fixing portion 701, the flushing end branch pipe 4 is extruded through the protrusion 704, and after the movable portion 702 is buckled with the fixing portion 701, the protrusion 704 is embedded into the arc-shaped groove 703, so that the blocking effect is good.

It should be noted that, the end portions of the fixed portion 701 and the movable portion 702 are further provided with a buckle, so that after the movable portion 702 is buckled with the fixed portion 701, the movable portion 702 and the fixed portion 701 are locked, and after the buckle is opened, the movable portion 702 can return to the initial state under the effect of the resilience force of the torsion spring; the buckle is the prior art, and this embodiment is not described in detail.

It should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications belong to the protection scope of the present invention.

Claims

1. The three-cavity catheter comprises a drainage tube, and an air bag end branch tube, a drainage end branch tube and a flushing end branch tube which are arranged at the tail end of the drainage tube, and is characterized in that a blocking piece is arranged on the flushing end branch tube so as to block the flushing end branch tube after flushing is finished;

the blocking piece is a conical plug, a central hole is formed in the conical plug, and a one-way valve is arranged at the central hole, so that the injector injects liquid through the central hole and prevents the liquid from flowing outwards;

or the blocking piece is a clamping and buckling component arranged on the side wall of the flushing end branch pipe and used for squeezing the flushing end branch pipe to enable the flushing end branch pipe to be closed.

2. The three-lumen catheter of claim 1, wherein the central bore matches the size of a syringe nipple.

3. The three-lumen catheter of claim 1, wherein the conical plug is removably disposed.

4. The three-lumen catheter according to claim 1, wherein the clip assembly is composed of a fixed part and a movable part, the fixed part is fixed with the side wall of the flushing end branch tube, and the movable part is rotatably connected with the fixed part through a torsion spring.

5. The three-cavity catheter according to claim 4, wherein the inner side of the fixed part is provided with an arc-shaped groove matched with the radian of the washing end branch pipe, and the inner side of the movable part is provided with a bulge matched with the arc-shaped groove.

6. The three-cavity urinary catheter according to claim 1, further comprising an air bag, wherein the air bag is sleeved on the drainage tube and is communicated with the air bag end branch tube.