CN111375117A

CN111375117A - Catheter with backflow prevention function

Info

Publication number: CN111375117A
Application number: CN202010168663.XA
Authority: CN
Inventors: 戴吴建
Original assignee: Zhejiang Hospital
Current assignee: Zhejiang Hospital
Priority date: 2020-03-12
Filing date: 2020-03-12
Publication date: 2020-07-07

Abstract

The invention discloses a catheter with a backflow prevention function, which comprises a first pipe body, a second pipe body, a catheter opening, a water ball water injection pipe, a water injection joint, a water ball, a side hole, a urethral catheterization end head, a through hole, a buffer joint pipe, a vent pipe, a rubber plug, a buffer cavity, a silica gel ring and a bulge. When urine enters the buffer cavity in the buffer joint pipe, the urine continues to flow towards the bottom end until the urine flows into the silica gel pad, the silica gel pad adopts a round table type hollow structure, and meanwhile, bulges are uniformly distributed on the inner wall of the silica gel pad, so that the urine can be conveyed into the second pipe body, and the urine in the second pipe body can be prevented from flowing back because the silica gel pad is increased in viscosity when encountering water; be equipped with the breather pipe on the top of buffering festival pipe, can use the spring clamp to carry out the centre gripping with first body, lift the rubber buffer off this moment again, use the syringe can dredge the urine below the buffering festival pipe, can avoid the problem that the catheter takes place to block up unable mediation in the use.

Description

Catheter with backflow prevention function

Technical Field

The invention relates to a catheter, in particular to a catheter with a backflow prevention function, and belongs to the technical field of catheter application.

Background

The catheter is a pipeline made of natural rubber, silicon rubber or polyvinyl chloride, can be inserted into the bladder through the urethra to drain urine, 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 in the bladder and prevent the catheter from falling off, and the drainage tube is connected with a urine bag to collect urine; the catheter is fixed on the inner side of thigh (female patient) or lower abdomen (male patient) by a groined adhesive tape, and the adhered part needs to be replaced every day to prevent skin injury caused by long-term adhesion or catheter compression.

In prior art, the catheter has obtained extensive application in medical field, and the structure of current catheter is generally comparatively simple, appears the phenomenon of urine backward flow easily in the use, can produce bad influence to the patient like this, and the catheter can appear blocking phenomenon occasionally at the catheterization in-process, comparatively inconvenient when mediation and clearance. Therefore, a catheter with a backflow prevention function is proposed to solve the above problems.

Disclosure of Invention

The present invention has been made to solve the above problems, and an object of the present invention is to provide a catheter having a backflow prevention function.

The invention realizes the aim through the following technical scheme, and the catheter with the backflow prevention function comprises a catheter tip, a first pipe body, a water ball, a backflow prevention structure, a second pipe body and a water injection joint which are sequentially arranged from left to right;

the backflow preventing structure comprises a buffering section pipe, a buffering cavity, a silica gel ring and a bulge, wherein the buffering cavity is formed in the buffering section pipe, the silica gel ring is sleeved in the buffering section pipe, the silica gel ring is communicated with the inside of the buffering cavity, and the bulge is fixedly connected to the inner side wall of the silica gel ring;

the top end of the buffer joint pipe is provided with a vent pipe, the bottom end of the vent pipe is fixedly connected with the top end of the buffer joint pipe, and the top end of the vent pipe is sleeved with a rubber plug;

the first pipe body and the second pipe body are communicated through the buffer joint pipe, the urethral catheterization end is connected to the outer wall of one end, far away from the second pipe body, of the first pipe body, and the water ball is connected to one end, close to the urethral catheterization end, of the first pipe body.

Preferably, two ends of the buffer joint pipe are fixedly connected with the first pipe body and the second pipe body respectively, and the first pipe body, the buffer joint pipe and the second pipe body are communicated in sequence.

Preferably, the urethral catheterization end is fixedly connected with the end face of the outer end of the first pipe body, and a side hole is formed in the surface of the outer end of the first pipe body.

Preferably, the outer end surface of the first pipe body is sleeved with a water ball, a through hole is formed in the water ball, and the through hole is formed in the surface of the first pipe body.

Preferably, a catheter opening is fixedly connected to the end face of the outer end of the second pipe body, and the catheter opening is communicated with the interior of the second pipe body.

Preferably, one side of the urethral catheterization opening is fixedly connected with a water ball water injection pipe, the outer end of the water ball water injection pipe is fixedly connected with a water injection joint, and the water injection joint is communicated with the inside of the water ball water injection pipe.

The invention has the beneficial effects that:

1. according to the invention, the buffering joint pipe is arranged between the first pipe body and the second pipe body, urine can continuously flow towards the bottom end when entering the buffering cavity in the buffering joint pipe until flowing into the silica gel pad, the silica gel pad adopts a circular truncated cone-shaped hollow structure, and meanwhile, the bulges are uniformly distributed on the inner wall of the silica gel pad, so that the urine can be conveyed into the second pipe body, and the urine in the second pipe body can be prevented from flowing back because the viscosity of the silica gel pad is increased when meeting water;

2. according to the invention, the vent pipe is arranged at the top end of the buffering joint pipe, the spring clamp can be used for clamping the first pipe body, the rubber plug is detached at the moment, and urine below the buffering joint pipe can be dredged by using the injector, so that the problem that the catheter is blocked and cannot be dredged in the using process can be avoided, and the catheter is convenient to clean.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

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

FIG. 2 is a schematic view of a buffer joint pipe structure according to the present invention;

fig. 3 is a schematic diagram of the silica gel ring structure of the present invention.

In the figure: 1. the catheter comprises a first pipe body, a second pipe body, a 3 urinary catheter opening, a 4 water ball water injection pipe, a 5 water injection joint, a 6 water ball, a 7 side hole, a 8 urethral catheterization end, a 9 through hole, a 10 buffering joint pipe, a 11 vent pipe, a 12 rubber plug, a 13 buffering cavity, a 14 silica gel ring, a 15 buffering cavity and a bulge.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. 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.

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Referring to fig. 1-3, a catheter with backflow prevention function comprises a urinary catheter tip 8, a first tube 1, a water ball 6, a backflow prevention structure, a second tube 2 and a water injection connector 5, which are sequentially arranged from left to right;

the backflow preventing structure comprises a buffering joint pipe 10, a buffering cavity 13, a silica gel ring 14 and a bulge 15, wherein the buffering cavity 13 is formed in the buffering joint pipe 10, the silica gel ring 14 is sleeved in the buffering joint pipe 10, the silica gel ring 14 is communicated with the inside of the buffering cavity 13, and the bulge 15 is fixedly connected to the inner side wall of the silica gel ring 14;

the top end of the buffering joint pipe 10 is provided with a vent pipe 11, the bottom end of the vent pipe 11 is fixedly connected with the top end of the buffering joint pipe 10, and the top end of the vent pipe 11 is sleeved with a rubber plug 12;

the first pipe body 1 and the second pipe body 2 are communicated through a buffer joint pipe 10, the urethral catheterization end 8 is connected to the outer wall of one end, far away from the second pipe body 2, of the first pipe body 1, and the water ball 6 is connected to one end, close to the urethral catheterization end 8, of the first pipe body 1.

Two ends of the buffer joint pipe 10 are fixedly connected with the first pipe body 1 and the second pipe body 2 respectively, and the first pipe body 1, the buffer joint pipe 10 and the second pipe body 2 are communicated in sequence, so that urine can be discharged from the first pipe body 1, the buffer joint pipe 10 and the second pipe body 2 conveniently; the urethral catheterization end 8 is fixedly connected to the end face of the outer end of the first tube body 1, and a side hole 7 is formed in the surface of the outer end of the first tube body 1, so that the outside can be conveniently communicated with the inside of the first tube body 1; the outer end surface of the first pipe body 1 is sleeved with a water ball 6, a through hole 9 is formed in the water ball 6, and the through hole 9 is formed in the surface of the first pipe body 1, so that the water ball 6 can be conveniently left in the bladder; a catheter opening 3 is fixedly connected to the end face of the outer end of the second pipe body 2, and the catheter opening 3 is communicated with the inside of the second pipe body 2, so that urine can be conveniently guided into the urine collection bag through the catheter opening 3; one side of the urethral catheterization opening is fixedly connected with a water ball water injection pipe 4, the outer end of the water ball water injection pipe 4 is fixedly connected with a water injection joint 5, and the water injection joint 5 is communicated with the inside of the water ball water injection pipe 4.

When the urine collecting device is used, firstly, the water ball water injection pipe 4 is externally connected with a urine collecting bag, one end with the water ball 6 is kept in the bladder, the buffering joint pipe 10 is arranged between the first pipe body 1 and the second pipe body 2, urine can enter the buffering cavity 13 of the buffering joint pipe 10 through the first pipe body 1 through one end of the water ball 6 and then continuously flows to the bottom end until flowing into the silica gel pad 12, the silica gel pad 12 adopts a circular table type hollow structure, and meanwhile, the bulges 15 are uniformly distributed on the inner wall of the silica gel pad 12, so that the urine can be conveyed into the second pipe body 2, and the urine in the second pipe body 2 can be prevented from flowing back because the viscosity of the silica gel pad 12 is increased when meeting water;

then be equipped with breather pipe 11 on the top of buffering festival pipe 10, can use the spring clamp to carry out the centre gripping with first body 1, lift rubber buffer 12 off this moment again, use the syringe to dredge the urine below buffering festival pipe 10, can avoid the catheter to take place to block up the problem of unable mediation in the use, be convenient for simultaneously wash the catheter.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a catheter with prevent refluence function which characterized in that: comprises a urethral catheterization end (8), a first pipe body (1), a water ball (6), a backflow preventing structure, a second pipe body (2) and a water injection joint (5) which are sequentially arranged from left to right;

the backflow preventing structure comprises a buffer joint pipe (10), a buffer cavity (13), a silica gel ring (14) and a protrusion (15), wherein the buffer cavity (13) is formed in the buffer joint pipe (10), the silica gel ring (14) is sleeved in the buffer joint pipe (10), the silica gel ring (14) is communicated with the buffer cavity (13), and the protrusion (15) is fixedly connected to the inner side wall of the silica gel ring (14);

the top end of the buffering joint pipe (10) is provided with a vent pipe (11), the bottom end of the vent pipe (11) is fixedly connected with the top end of the buffering joint pipe (10), and the top end of the vent pipe (11) is sleeved with a rubber plug (12);

the first pipe body (1) is communicated with the second pipe body (2) through a buffer joint pipe (10), the urethral catheterization end (8) is connected to the outer wall of one end, far away from the second pipe body (2), of the first pipe body (1), and the water ball (6) is connected to one end, close to the urethral catheterization end (8), of the first pipe body (1).

2. The catheter with the backflow prevention function according to claim 1, wherein: the two ends of the buffer joint pipe (10) are fixedly connected with the first pipe body (1) and the second pipe body (2) respectively, and the first pipe body (1) and the buffer joint pipe (10) are communicated with the second pipe body (2) in sequence.

3. The catheter with the backflow prevention function according to claim 1, wherein: the urethral catheterization end (8) is fixedly connected with the outer end face of the first pipe body (1), and a side hole (7) is formed in the outer end surface of the first pipe body (1).

4. The catheter with the backflow prevention function according to claim 1, wherein: the outer end surface of the first pipe body (1) is sleeved with a water ball (6), a through hole (9) is formed in the water ball (6), and the through hole (9) is formed in the surface of the first pipe body (1).

5. The catheter with the backflow prevention function according to claim 1, wherein: the catheter opening (3) is fixedly connected to the end face of the outer end of the second pipe body (2), and the catheter opening (3) is communicated with the interior of the second pipe body (2).

6. The catheter with the backflow prevention function according to claim 1, wherein: one side of the urethral catheterization opening is fixedly connected with a water ball water injection pipe (4), the outer end of the water ball water injection pipe (4) is fixedly connected with a water injection joint (5), and the water injection joint (5) is communicated with the inside of the water ball water injection pipe (4).