CN212700012U

CN212700012U - Catheter with backflow prevention function

Info

Publication number: CN212700012U
Application number: CN202020298937.2U
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: 2021-03-16
Anticipated expiration: 2030-03-12

Abstract

The utility model discloses a catheter with prevent function of flowing backwards, including first body, second body, catheter opening, water ball water injection pipe, water injection joint, water ball, side opening, catheterization end, through-hole, buffering festival pipe, breather pipe, rubber buffer, cushion chamber, silica gel circle and arch. 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 utility model relates to a catheter specifically is a catheter with prevent function of flowing backwards, belongs to catheter application technical field.

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.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a catheter with the function of preventing backflow in order to solve the problems.

The utility model realizes the purpose through the following technical proposal, a catheter with the function of backflow prevention, which comprises a catheter end, 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, catheter open-ended one side rigid coupling has water ball water injection pipe, the outer end rigid coupling of water ball water injection pipe has the water injection to connect, just the water injection connect with water ball water injection intraduct communicates each other.

The utility model has the advantages that:

1. the utility model discloses be equipped with the buffering festival pipe between first body and second body, the urine can continue to flow to the bottom when getting into buffering chamber inside the buffering festival pipe, until flowing into the silica gel pad inside, the silica gel pad adopts round platform type hollow structure, evenly distributed has the arch on the inner wall of silica gel pad simultaneously, can help carrying the urine to the second body inside, because the silica gel pad meets the water viscosity grow, can avoid the urine in the second body to take place the backward flow phenomenon;

2. the utility model discloses 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 to dredge the urine below the buffering festival pipe, can avoid the catheter to take place to block up the problem of unable mediation in the use, be convenient for wash the catheter simultaneously.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, 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 the 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 the buffering joint structure of the present invention;

fig. 3 is the 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 drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying 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 only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not 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 silicone ring 14 and a bulge 15, wherein the buffering cavity 13 is formed in the buffering joint pipe 10, the silicone ring 14 is sleeved in the buffering joint pipe 10, the silicone 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 silicone 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; catheter open-ended one side rigid coupling has water ball water injection pipe 4, the outer end rigid coupling of water ball water injection pipe 4 has water injection joint 5, just water injection joint 5 with water ball water injection pipe 4 is inside to communicate each other.

When the utility model is used, firstly, the external urine collecting bag of the water ball water injection pipe 4 is connected, one end with the water ball 6 is kept inside 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 inside of the silica gel pad 12, the silica gel pad 12 adopts a round table type hollow structure, and meanwhile, the bulges 15 are uniformly distributed on the inner wall of the silica gel pad 12, which can help to convey urine to the inside of the second pipe body 2, and the urine inside the second pipe body 2 can be prevented from flowing back because the silica gel pad 12 becomes large in viscosity 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 is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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 embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

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 buffering joint pipe (10), a buffering cavity (13), a silica gel ring (14) and a protrusion (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 buffering 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 5, wherein: catheter open-ended one side rigid coupling has water ball water injection pipe (4), the outer end rigid coupling of water ball water injection pipe (4) has water injection joint (5), just water injection joint (5) with water ball water injection pipe (4) inside communicates each other.