CN217366874U - Prevent blockking up catheter - Google Patents

Abstract

The utility model discloses a prevent blockking up catheter belongs to the catheter field. An anti-clogging catheter comprises an outer tube; the inner tube is arranged in the outer tube, a suction channel is arranged in the inner tube, and a flushing channel is formed between the inner tube and the outer tube; the elastic shrinkage pipe head is provided with a plurality of strip-shaped fine holes and is connected to the pipe orifice of the outer pipe; the utility model discloses an inside umbrella structure's of invering of elastic contraction tube head elasticity rib utilizes the strip pore size that can adjust the elastic contraction tube head, and the opening that can grow is convenient for absorb ropy hydrops when even blood clot, utilizes the big or small change of strip pore open-ended, all discharges hydrops, blood clot, tiny rubble even bladder, the effectual jam of avoiding the catheter reduces patient's misery.

Description

Prevent blockking up catheter

Technical Field

The utility model relates to a catheter technical field especially relates to a prevent blockking up catheter.

Background

A catheter is a tube inserted into the bladder from the urethra to drain urine, and is a tube made of natural rubber, silicone rubber or polyvinyl chloride that can be inserted into the bladder through the urethra to drain urine.

At the in-process of actual work, when carrying out the drainage, there may be thick blood in the hydrops, there is the clot even, and the suction inlet of catheter all is the opening of fixed size at present, when needing to clear up the hydrops, thick clot in the bladder can block up the catheter mouth of pipe, lead to hydrops and clot can not discharge present in order to solve this problem, can only with frequent follow patient's internal extraction of catheter, insert, in-process patient is very painful.

Disclosure of Invention

The utility model aims at solving the problem that when the hydrops is taken out to the catheter among the prior art, the thick blood or the blood clot can be blocked, and the anti-blocking catheter is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an anti-blocking catheter comprises

An outer tube;

an inner tube built-in the outer tube,

wherein the content of the first and second substances,

a suction channel is arranged in the inner tube, and a flushing channel is formed between the inner tube and the outer tube;

the elastic shrinkage pipe head is provided with a plurality of strip-shaped fine holes and is connected to the pipe orifice of the outer pipe;

a push-pull column slidably disposed within the inner tube;

the lower ends of the elastic umbrella ribs are narrow ends and are connected to the upper end of the push-pull column in an annular mode, and the wide parts are located on the inner side wall of the elastic contraction pipe head;

the pushing ring piece is arranged in the flushing channel in a sliding way, the pushing and pulling column is connected with the pushing ring piece through a pushing thin rod,

wherein

When carrying the flush fluid through the passageway that washes, the flush fluid at first can promote promotion ring piece rebound, promote the ring piece this moment and drive push-and-pull post rebound through promoting the thin pole, the push-and-pull post drives the lower extreme narrow end of elastic umbrella rib and shifts up, and the wide end of elastic umbrella rib is located elastic contraction tube head upper end inboard and moves up limitedly, elastic umbrella rib can outwards support the expansion owing to the elasticity of self this moment, thereby promote the expansion elastic contraction tube head, promote the ring piece and shift up a certain position, because the expansion of elastic contraction tube head, the expansion gap outflow between flush fluid also can follow promotion ring piece and the elastic contraction tube head, wash, strip pore size grow on the elastic contraction tube head simultaneously, utilize the interior suction channel who establishes to suck the hydrops.

Preferably, the elastic contractive tube head is of an inverted umbrella-shaped structure, and the head of the elastic contractive tube head is concave towards the inner side to form an inverted umbrella-shaped end head and an inverted umbrella-shaped opening;

the lower end of the elastic umbrella rib is a narrow end, the upper end of the elastic umbrella rib is a wide end, the wide end of the elastic umbrella rib is positioned between the inverted umbrella-shaped end and the inner wall of the side edge of the elastic contraction tube head, the inverted umbrella-shaped end is connected to the push-pull column through a connecting thin rod, the lower end of the push-pull column is connected with a pull rope, and the pull rope penetrates through the end of the inner tube and extends outwards;

when the pull rope is pulled, the elastic umbrella ribs are folded inwards, the inverted umbrella-shaped ends are contracted inwards, and the inverted umbrella-shaped openings grab and squeeze blood clots and break the blood clots;

when carrying the flush fluid through washing the passageway, the expansion of elastic shrinkage tube head, the bar pore size grow on the elastic shrinkage tube head.

Preferably, it is a plurality of elastic rib is that both ends head is the structure of narrow end, middle part for wide portion, and is a plurality of the elastic rib upper end is connected, elastic rib upper end narrow end with the inside counterbalance of elastic contraction tube head top side/link to each other, the wide portion at elastic rib middle part with the inside wall counterbalance of elastic contraction tube head.

Preferably, the narrow ends of the upper ends of the elastic umbrella ribs are connected through a connecting ball.

Preferably, a support frame is fixedly connected in the inner tube, and the push-pull column is connected to the support frame in a sliding manner.

Preferably, the bottom of the push-pull column is connected with a limiting ring.

Preferably, the upper end of the push-pull column is fixedly connected with a connecting piece, the narrow end of the lower end of the elastic umbrella rib is fixedly connected to the connecting piece, and the pushing thin rod is also fixedly connected to the connecting piece.

Preferably, the end of the inner pipe is connected with a suction joint, and the end of the outer pipe is connected with a flushing joint.

Preferably, the inner pipe is fixedly supported on the outer pipe by a plurality of plastic support columns.

Compared with the prior art, the utility model provides a prevent blockking up catheter possesses following beneficial effect:

1. according to the anti-blocking catheter, the size of the strip-shaped fine holes of the elastic contraction tube head can be adjusted by the aid of the elastic ribs of the umbrella-shaped structure inverted in the elastic contraction tube head, the opening which can be enlarged is convenient for sucking viscous accumulated liquid and even blood clots, and the accumulated liquid, the blood clots and even fine broken stones are discharged out of the bladder by the aid of size change of the strip-shaped fine hole opening, so that the blockage of the catheter is effectively avoided, and pain of a patient is relieved;

2. this prevent blockking up catheter through pulling the stay cord, just can utilize elastic rib to draw in to the inboard with exerting oneself a little, and the type end of falling the umbrella at this moment inwards contracts, and the type opening of falling the umbrella snatchs extrusion blood clot and the breakage, extrudes the blood clot into very little fragment, can strut elastic rib, then washes, extracts the hydrops after handling, utilizes the size change of strip pore opening, all discharges the bladder with hydrops, the blood clot after handling, even tiny rubble.

Drawings

Fig. 1 is a schematic structural view of an anti-clogging urinary catheter according to embodiment 1 of the present invention;

fig. 2 is a schematic structural view of a portion a in fig. 1 of an anti-clogging urinary catheter according to the present invention;

fig. 3 is a schematic structural view of a portion B in fig. 1 of an anti-clogging urinary catheter according to the present invention;

fig. 4 is a schematic view of the structure of the elastically contractible tube head of example 1 of the anti-clogging urinary catheter according to the present invention;

fig. 5 is a schematic view of an elastic umbrella rib structure of the anti-clogging urinary catheter according to embodiment 1 of the present invention;

fig. 6 is a schematic structural view of an anti-clogging urinary catheter in accordance with embodiment 2 of the present invention;

fig. 7 is a schematic structural view of the anti-clogging urinary catheter shown in fig. 6 at C;

fig. 8 is a schematic view of the structure of the elastic umbrella rib of the anti-clogging urinary catheter in embodiment 2 of the present invention.

In the figure: 1. an outer tube; 101. flushing the joint; 2. an elastically contractible tube head; 201. an inverted umbrella-shaped opening; 202. an inverted umbrella-shaped end; 3. a strip-shaped pore; 4. an elastic umbrella frame; 5. connecting the thin rod; 6. pushing the thin rod; 7. pushing the ring sheet; 8. a connecting member; 9. an inner tube; 901. a suction connection; 10. a suction channel; 11. flushing the channel; 12. a support frame; 13. pushing and pulling the column; 14. a limiting ring; 15. pulling a rope; 16. and connecting the ball.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but 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.

Example 1:

referring to fig. 1-5, an anti-clogging urinary catheter includes

An outer tube 1;

an inner tube 9 built into the outer tube 1,

wherein the content of the first and second substances,

referring to fig. 4, a suction channel 10 is arranged in the inner tube 9, and a flushing channel 11 is formed between the inner tube 9 and the outer tube 1; the inner pipe 9 and the outer pipe 1 are both made of silicon rubber;

referring to fig. 4, an elastic contractive tube head 2 provided with a plurality of strip-shaped pores 3 is connected to the mouth of the outer tube 1; strip pore 3 can suction the hydrops as the passageway of suction hydrops, and the material of elastic contraction tube head 2 preferentially adopts natural rubber, and its softness compares the silicon rubber preparation and forms inner tube 9 and outer tube 1 softer, and the follow-up ring piece 7 that promotes of being convenient for removes in washing passageway 11, can be more convenient enter into the 2 inlayer stages of elastic contraction tube head, and elastic contraction tube head 2 is softer also be convenient for elastic rib 4 to support and expand.

Referring to fig. 4, the push-pull post 13 is slidably disposed in the inner tube 9, and the push-pull post 13 is made of hard plastic to ensure that the elastic umbrella rib 4 can be pushed;

referring to fig. 4, a plurality of elastic umbrella ribs 4, the lower ends of which are narrow ends and are annularly connected to the upper ends of the push-pull columns 13, the wide portions of which are located on the inner side wall of the elastically contractible tube head 2, and the lower ends of which are narrow, the elastic umbrella ribs 4 with wide heads can ensure that the elastically contractible tube head 2 expands outwards and contracts inwards, and the elastic umbrella ribs 4 are annularly arranged to enable the elastically contractible tube head 2 to expand evenly along the circumference;

referring to fig. 4 and 5, the pushing ring plate 7 is slidably disposed in the flushing channel 11, and the pushing and pulling column 13 is connected with the pushing ring plate 7 through the pushing thin rod 6;

referring to fig. 5, the elastic contractive pipe head 2 is in an inverted umbrella-shaped structure, and the head of the elastic contractive pipe head 2 is concave towards the inner side to form an inverted umbrella-shaped end 202 and an inverted umbrella-shaped opening 201;

referring to fig. 4, the lower end of the elastic umbrella rib 4 is a narrow end, the upper end of the elastic umbrella rib 4 is a wide end, the wide end of the elastic umbrella rib 4 is positioned between the inverted umbrella-shaped end 202 and the inner wall of the side edge of the elastic contraction tube head 2, the inverted umbrella-shaped end 202 is connected to the push-pull column 13 through the connecting thin rod 5, the lower end of the push-pull column 13 is connected with the pull rope 15, and the pull rope 15 penetrates through the end of the inner tube 9 and extends outwards;

when blood clots exist in the accumulated liquid, the pull rope 15 can be pulled, the pull rope 15 pulls the push-pull column 13 to move downwards, due to the existence of the connecting thin rod 5, the inverted umbrella-shaped end 202 can be pulled downwards while the elastic umbrella ribs 4 contract inwards, the upper ends of the elastic umbrella ribs 4 contract and are close to each other to compress, and the blood clots can be grabbed and extruded;

when the pull rope 15 is pulled, the elastic umbrella ribs 4 are folded inwards, at the moment, the inverted umbrella-shaped end 202 is contracted inwards, and the inverted umbrella-shaped opening 201 grabs and extrudes blood clots and breaks the blood clots;

when the flushing liquid is conveyed through the flushing channel 11, the elastic contraction tube head 2 expands, and the size of the strip-shaped fine holes 3 on the elastic contraction tube head 2 is increased;

when the flushing liquid is conveyed through the flushing channel 11, the flushing liquid firstly pushes the pushing ring piece 7 to move upwards, at the moment, the pushing ring piece 7 drives the pushing and pulling column 13 to move upwards through the pushing and pulling rod 6, the pushing and pulling column 13 drives the lower narrow end of the elastic umbrella rib 4 to move upwards, the wide end of the elastic umbrella rib 4 is positioned at the inner side of the upper end of the elastic contraction tube head 2 to move upwards and limited, at the moment, the elastic umbrella rib 4 can outwards support and expand due to the elasticity of the elastic umbrella rib 4, so as to push and expand the elastic contraction tube head 2, the pushing ring piece 7 moves upwards to a certain position, the material of the elastic contraction tube head 2 is preferably natural rubber, the softness of the inner tube 9 and the outer tube 1 is softer compared with the softness of silicon rubber, the elastic contraction tube head 2 is convenient to push and expand, when the pushing ring piece 7 moves upwards to a certain position and is positioned in the elastic contraction tube head 2, the outer wall of the pushing ring piece 7 is the expanded elastic contraction tube head 2, the flush fluid also can flow out from the expansion gap between promotion ring piece 7 and the elastic shrinkage tube head 2, washes, and 3 size grow of strip pore on the elastic shrinkage tube head 2 utilizes the suction channel 10 suction hydrops of establishing in the inner tube 9 simultaneously, can broken blood clot, and can adjust 3 size grow of strip pore simultaneously, and the effectual jam of having avoided, and need not to come back and insert many times, has reduced patient's misery.

Example 2:

referring to fig. 6-8, an anti-clogging catheter, the same as example 1 basically, the difference is that this embodiment does not suggest using when having the hydrops of blood clot, this embodiment is the structure that both ends head is the narrow end through a plurality of elastic rib 4, the middle part is wide section, a plurality of elastic rib 4 upper ends are connected, 4 upper ends narrow end of elastic rib and the inside counterbalance/link of elastic contraction tube head 2 top side, the wide section at 4 middle parts of elastic rib offsets with the inside wall of elastic contraction tube head 2, this device can directly receive and expand elastic contraction tube head 2 through the expansion and the shrink of elastic rib 4, thereby adjust strip pore 3 size, can extract thick hydrops.

The narrow ends of the upper ends of the elastic ribs 4 are connected through the connecting balls 16, so that the connecting balls 16 are abutted against or connected with the inner layer of the top end of the elastic shrinkage pipe head 2, and the expansion and shrinkage of the elastic shrinkage pipe head 2 are ensured.

A support frame 12 is fixedly connected in the inner tube 9, and the push-pull column 13 is connected on the support frame 12 in a sliding manner, so that the push-pull column 13 can stably slide in the inner tube 9.

The bottom of the push-pull column 13 is connected with a limiting ring 14, so that when effusion is prevented from being washed, the push ring piece 7 pushes the push-pull column 13 excessively, and the elastic umbrella ribs 4 are prevented from being excessively expanded.

Push away and draw post 13 upper end fixedly connected with connecting piece 8, the lower extreme narrow end fixed connection of elastic rib 4 pushes away thin pole 6 also fixed connection on connecting piece 8 on, is convenient for make to push away post 13 and connect elastic rib 4 and promote thin pole 6.

The end of the inner pipe 9 is connected with a suction joint 901, and the end of the outer pipe 1 is connected with a flushing joint 101, so that an external flusher and a suction device are convenient.

The inner tube 9 is fixedly supported in the outer tube 1 by a plurality of plastic support posts, ensuring that the flushing channel 11 between the inner tube 9 and the outer tube 1 is unobstructed.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (7)

1. An anti-clogging catheter is characterized by comprising

An outer tube (1);

a push-pull column (13) arranged in the inner tube (9) in a sliding manner;

the device comprises an inner tube (9) which is arranged in an outer tube (1), wherein a suction channel (10) is arranged in the inner tube (9), and a flushing channel (11) is formed between the inner tube (9) and the outer tube (1); a support frame (12) is fixedly connected in the inner pipe (9), and the push-pull column (13) is connected to the support frame (12) in a sliding manner;

the elastic shrinkage pipe head (2) is provided with a plurality of strip-shaped fine holes (3) and is connected to the pipe orifice of the outer pipe (1);

the lower ends of the elastic umbrella ribs (4) are narrow ends and are annularly connected to the upper end of the push-pull column (13), and the wide parts are positioned on the inner side wall of the elastic contraction pipe head (2);

promote ring piece (7), the slip setting be in wash passageway (11) in, push and draw post (13) through promoting pin (6) with push ring piece (7) link to each other, when carrying the flush fluid through wash passageway (11), the flush fluid can promote at first and promote push ring piece (7) rebound, promote ring piece (7) through promoting pin (6) drive push and draw post (13) rebound this moment, push and draw post (13) drive the lower extreme narrow end of elastic rib (4) and shift up, and elastic rib (4) wide end is located elastic contraction tube head (2) upper end inboard and moves up limitedly, elastic rib (4) can outwards support the expansion owing to self elasticity this moment, thereby promote expansion elastic contraction tube head (2), promote ring piece (7) and shift up a certain position, because elastic contraction tube head (2) expansion, also can flow from the expansion gap between push ring piece (7) and the elastic contraction tube head (2), flushing is carried out, the size of the strip-shaped fine holes (3) on the elastic contraction pipe head (2) is enlarged, and accumulated liquid is sucked by utilizing a suction channel (10) arranged in the inner pipe (9);

it is a plurality of elastic rib (4) are both ends head and are narrow end, middle part for wide portion's structure, a plurality of elastic rib (4) upper end is connected, elastic rib (4) upper end narrow end with elastic contraction tube head (2) top side inside offset/link to each other, the wide portion at elastic rib (4) middle part with the inside wall of elastic contraction tube head (2) offset.

2. The anti-clogging catheter according to claim 1, wherein the elastically contractible tube head (2) is of an inverted umbrella-shaped structure, and the head of the elastically contractible tube head (2) is concave towards the inner side to form an inverted umbrella-shaped end (202) and an inverted umbrella-shaped opening (201);

the lower end of each elastic umbrella rib (4) is a narrow end, the upper end of each elastic umbrella rib (4) is a wide end, the wide end of each elastic umbrella rib (4) is positioned between the inverted umbrella-shaped end (202) and the inner wall of the side edge of the elastic contraction pipe head (2), the inverted umbrella-shaped end (202) is connected to the push-pull column (13) through the connecting thin rod (5), the lower end of the push-pull column (13) is connected with the pull rope (15), and the pull rope (15) penetrates through the end of the inner pipe (9) to extend outwards;

when the pull rope (15) is pulled, the elastic umbrella ribs (4) are folded inwards, at the moment, the inverted umbrella-shaped end (202) is retracted inwards, and the inverted umbrella-shaped opening (201) grabs and extrudes blood clots and breaks the blood clots;

when the flushing liquid is conveyed through the flushing channel (11), the elastic contraction pipe head (2) expands, and the size of the strip-shaped fine holes (3) on the elastic contraction pipe head (2) is increased.

3. An anti-clogging catheter according to claim 1, characterized in that the upper narrow ends of said elastic ribs (4) are connected by a connecting ball (16).

4. The catheter according to claim 1, characterized in that a limiting ring (14) is connected to the bottom of the push-pull column (13).

5. The anti-clogging catheter according to claim 1, characterized in that the upper end of the push-pull column (13) is fixedly connected with a connecting piece (8), the narrow end of the lower end of the elastic rib (4) is fixedly connected with the connecting piece (8), and the push thin rod (6) is also fixedly connected with the connecting piece (8).

6. An anti-clogging catheter according to any one of claims 1 to 4, characterized in that said inner tube (9) is connected to a suction connector (901) at the end and said outer tube (1) is connected to a flushing connector (101) at the end.

7. An anti-clogging catheter according to any one of claims 1 to 4, characterised in that the inner tube (9) is fixedly supported in the outer tube (1) by means of a number of plastic support posts, ensuring that the flushing passage (11) between the inner tube (9) and the outer tube (1) is unobstructed.

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