CN218010614U

CN218010614U - Indwelling catheter

Info

Publication number: CN218010614U
Application number: CN202221529022.3U
Authority: CN
Inventors: 肖金生
Original assignee: Zsr Biomedical Technology Co ltd
Current assignee: Zsr Biomedical Technology Co ltd
Priority date: 2022-06-16
Filing date: 2022-06-16
Publication date: 2022-12-13
Anticipated expiration: 2032-06-16

Abstract

The utility model discloses an indwelling catheter has resistance to compression, anti improvement inner chamber structure of rolling over, has improved the security of indwelling catheter use, has improved clinical care quality. The utility model comprises a drainage cavity, one end of the drainage cavity is provided with a pipe body extending forwards, and the end of the drainage cavity away from the pipe body is provided with a drainage port; one end of the pipe body, which is far away from the drainage cavity, is provided with a smooth guide head, and a flow guide inner cavity is arranged in the pipe body and is communicated with the drainage cavity; a drainage hole is formed in the side wall of one end, close to the smooth guiding head, of the pipe body, and the drainage hole is communicated with the flow guiding inner cavity; the inner wall of the flow guide inner cavity is provided with a plurality of interference strips which are axially parallel to the pipe body and penetrate through the inner wall of the flow guide inner cavity. The utility model discloses an indwelling catheter is equipped with the interference inner chamber structure, is equipped with the through interference strip of a plurality of axial parallel body on the inner chamber wall, and body resistance to compression, anti book can alleviate patient's painful impression.

Description

Indwelling catheter

Technical Field

The utility model relates to the technical field of medical auxiliary equipment, in particular to a disposable urine leakage prevention indwelling catheter for helping patients to draw urine after operation.

Background

The indwelling catheter is inserted into the bladder through the urethra and used for draining urine, and the indwelling catheter is widely applied in the medical field, and is more widely applied clinically because the indwelling time of the indwelling catheter is longer than that of a common urinary catheter.

The inner cavity of the existing indwelling catheter is designed to be a smooth inner wall, so that the indwelling catheter is used without problems under most conditions, but the patient who cannot take care of serious illness lies on a hospital bed, the indwelling catheter is pressed or bent carelessly, the patient cannot be found for a long time, urine cannot be discharged smoothly for a long time, the phenomenon of long-time urine holding can be caused, and the pressure in the bladder can be increased. The usual safe pressure in the bladder is 40cmH ₂ When the pressure exceeds the above pressure, urine enters a ureter and enters a kidney, which not only easily causes bladder injury, but also easily causes bacterial reproduction when the urine stays in the bladder for a long time, and once the urine returns to the ureter and the kidney, toxic substances in the urine cause kidney infection, so that urinary tract infection, nephritis and even uremia are caused. The smooth inner cavity of the existing indwelling catheter is not resistant to compression and bending, and the indwelling catheter which is resistant to bending and compression and does not influence drainage and urination needs to be developed aiming at the problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems existing in the prior art, the utility model aims to provide an improve inner chamber structural design's that has resistance to compression, anti book keep somewhere the catheter, improved the security of keeping somewhere the catheter use, reduced the painful impression of patient, improved clinical care quality.

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

an indwelling catheter comprises a drainage cavity, wherein one end of the drainage cavity is provided with a pipe body extending forwards, and one end of the drainage cavity, which is far away from the pipe body, is provided with a drainage port; one end of the pipe body, which is far away from the drainage cavity, is provided with a smooth guide head, and a flow guide inner cavity is arranged in the pipe body and is communicated with the drainage cavity;

a drainage hole is formed in the side wall of one end, close to the smooth seeker, of the tube body, and the drainage hole is communicated with the flow guide inner cavity;

the inner wall of the flow guide inner cavity is provided with a plurality of interference strips which are axially parallel to the pipe body and penetrate through the inner wall of the flow guide inner cavity.

Further, in some embodiments, drainage holes are formed in two opposite sides of the tube body, and the drainage holes in the two sides are distributed on the tube body in a front-back staggered manner;

the drainage holes on the two sides are provided with a certain distance in the axial direction (tube body).

Further, in some embodiments, the interference strips arranged on the inner wall of the flow guide inner cavity are inward triangles, the number of the triangles is not limited, and the triangular interference strips are uniformly distributed on the inner wall of the flow guide inner cavity.

Further, in some embodiments, the interference strips arranged on the inner wall of the flow guide inner cavity are polygonal, the number of the polygonal edges is not limited, and the polygonal interference strips are uniformly distributed on the inner wall of the flow guide inner cavity.

Further, in some embodiments, the interference strips arranged on the inner wall of the flow guide inner cavity are inward circular arcs (cylindrical bodies), the number of the circular arcs is not limited, and a plurality of (semi-cylindrical) interference strips are uniformly distributed on the inner wall of the flow guide inner cavity.

Further, in some embodiments, one end of the drainage cavity close to the tube body is provided with a balloon cavity which is folded outwards, and one end of the balloon cavity far away from the drainage cavity is provided with a one-way valve.

Further, in some embodiments, one section outside that the body is close to the drainage hole is equipped with the sacculus, has seted up the conducting hole in the lateral wall of body, conducting hole one end through connection sacculus, and the conducting hole is kept away from the one end of sacculus and is linked together the check valve behind the sacculus chamber.

Further, in some embodiments, a holding ring is arranged on the outer side of the drainage cavity; the outer side of the tube body is provided with a developing line; the inner wall of the flow guide inner cavity is provided with a plurality of interference strips which are inwards and convexly distributed.

The indwelling catheter of the utility model is provided with an interference inner cavity structure, a plurality of through interference strips axially parallel to the catheter body are arranged on the inner wall of the inner cavity, the catheter body is resistant to compression and bending, the inner cavity structure is characterized in that the number of the multiple triangles is not limited, the number of the multiple arcs of the inner cavity is not limited, and the number of the polygon edges of the inner cavity is not limited; has reasonable structure and can relieve the pain of patients.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of an embodiment of the present invention;

fig. 3 is a schematic structural diagram of an embodiment of the present invention;

FIG. 4 is a cross-sectional view of the embodiment of the present invention;

FIG. 5 is a usage status diagram of the embodiment of the present invention;

FIG. 6 isbase:Sub>A schematic cross-sectional view taken along line A-A of FIG. 3;

fig. 7 is a schematic view of a second flow guiding inner cavity part according to an embodiment of the present invention;

fig. 8 is a schematic view of a portion of the inner cavity of the three fluid guides of the embodiment of the present invention.

Description of the symbols in the figures:

the device comprises an excretion cavity 11, a holding ring 12, a sacculus cavity 13, a one-way valve 14, a tube body 15, a smooth guide head 16, a drainage hole 17, a developing thread 18, a sacculus 19, a guide inner cavity 21, an interference strip 22 and a conducting hole 23.

Detailed Description

To make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solution of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and 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 all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to the attached drawings, the utility model comprises a drainage cavity 11, a pipe body 15 extending forwards is arranged at one end of the drainage cavity 11, and a drainage port is arranged at one end of the drainage cavity 11 far away from the pipe body 15; the outer side of the discharge cavity 11 is provided with a holding ring 12, one end of the discharge cavity 11 close to the tube body 15 is provided with a sacculus cavity 13 which is folded outwards, and one end of the sacculus cavity 13 far away from the discharge cavity 11 is provided with a one-way valve 14.

Further, in one embodiment, a smooth guiding head 16 is arranged at one end of the tube body 15 far away from the drainage cavity 11, a flow guide inner cavity 21 is formed in the tube body 15, and the flow guide inner cavity 21 is communicated with the drainage cavity 11; the lateral wall of the pipe body 15 close to one end of the smooth guiding head 16 is provided with a drainage hole 17, and the drainage hole 17 is communicated with a flow guiding inner cavity 21.

Furthermore, drainage holes 17 are formed in two opposite sides of the tube body 15, and the drainage holes 17 in the two sides are distributed on the tube body 15 in a front-back staggered manner; in other words, the drainage holes 17 are spaced apart in the axial direction (the tube 15).

A section of the outer side of the tube body 15 close to the drainage hole 17 is provided with a balloon 19, a via hole 23 is formed in the side wall of the tube body 15, one end of the via hole 23 is connected with the balloon 19 in a penetrating manner, and one end of the via hole 23 far away from the balloon 19 is communicated with the one-way valve 14 after passing through the balloon cavity 13.

A plurality of interference strips 22 are arranged on the inner wall of the flow guide inner cavity 21; furthermore, a plurality of interference strips 22 which are distributed inwards and convexly are arranged on the inner wall of the flow guide inner cavity 21, and the interference strips 22 are axially parallel to the tube body 15 and penetrate through the inner wall of the flow guide inner cavity 21.

In the first embodiment (see fig. 6): the interference strips 22 arranged on the inner wall of the diversion inner cavity 21 are inward triangles, the number of the triangles is not limited, and the plurality of interference strips 22 (triangular strips) are uniformly distributed on the inner wall of the diversion inner cavity 21.

In example two (see fig. 7): the interference strips 22 arranged on the inner wall of the flow guide inner cavity 21 are polygonal, the number of the polygonal edges is not limited, and the polygonal interference strips 22 are uniformly distributed on the inner wall of the flow guide inner cavity 21.

In example three (see fig. 8): the interference strips 22 arranged on the inner wall of the flow guide inner cavity 21 are inward circular arcs (cylindrical bodies), the number of the circular arcs is not limited, and a plurality of the interference strips 22 (semi-cylinders) are uniformly distributed on the inner wall of the flow guide inner cavity 21.

The outside of the tube 15 is provided with a developing line 18.

The utility model discloses an keep somewhere the catheter when keeping somewhere the operation, medical personnel are through observing the development line 18, with the smooth urethral suitable length that leads head 16 to insert the disease of the front end of body 15, through leading hole 23 to pouring into sodium chloride solution in sacculus 19, gently draw body 15, have resistance to feel when keeping somewhere successfully, convenient and practical, the security performance is high.

The foregoing examples, which represent several preferred embodiments of the invention and are described in considerable detail with the understanding that the present invention is not limited to the forms disclosed herein, but is to be considered as excluding other examples and from numerous other combinations, modifications, and environments and is capable of modifications within the scope of the invention as expressed herein, commensurate with the above teachings or the skill or knowledge of the relevant art, and not limited thereby. It should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the spirit and scope of the present invention, and these changes and modifications can be made by those skilled in the art without departing from the spirit and scope of the present invention, which is to be construed as being limited only by the appended claims. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. An indwelling urinary catheter comprising: the drainage device comprises a drainage cavity (11), wherein one end of the drainage cavity (11) is provided with a pipe body (15) extending forwards, and one end of the drainage cavity (11) far away from the pipe body (15) is provided with a drainage port; the drainage device is characterized in that one end of the pipe body (15) far away from the drainage cavity (11) is provided with a smooth guide head (16), a flow guide inner cavity (21) is formed in the pipe body (15), and the flow guide inner cavity (21) is communicated with the drainage cavity (11);

a drainage hole (17) is formed in the side wall of one end, close to the smooth guide head (16), of the pipe body (15), and the drainage hole (17) is communicated with the flow guide inner cavity (21);

a plurality of interference strips (22) are arranged on the inner wall of the flow guide inner cavity (21), and the interference strips (22) are axially parallel to the pipe body (15) and penetrate through the inner wall of the flow guide inner cavity (21).

2. The indwelling urinary catheter according to claim 1, wherein drainage holes (17) are provided on opposite sides of the tube body (15), and the drainage holes (17) on both sides are distributed on the tube body (15) in a front-back staggered manner;

the drainage holes (17) at two sides are provided with a certain distance in the axial direction.

3. An indwelling urinary catheter according to claim 1, wherein the inner wall of the drainage lumen (21) is provided with interference strips (22) of inward triangle shape, and a plurality of triangle interference strips (22) are uniformly distributed on the inner wall of the drainage lumen (21).

4. An indwelling urinary catheter according to claim 1, wherein the inner wall of the drainage lumen (21) is provided with the interference strips (22) which are polygonal, and the polygonal interference strips (22) are uniformly distributed on the inner wall of the drainage lumen (21).

5. An indwelling urinary catheter according to claim 1, wherein the interference strips (22) provided on the inner wall of the flow guide lumen (21) are inward circular arc-shaped, and a plurality of circular arc-shaped interference strips (22) are uniformly distributed on the inner wall of the flow guide lumen (21).

6. An indwelling urinary catheter according to claim 1, in which the end of the drainage lumen (11) adjacent the tubular body (15) is provided with a balloon lumen (13) which is outwardly folded, and the end of the balloon lumen (13) remote from the drainage lumen (11) is provided with a one-way valve (14).

7. An indwelling urinary catheter according to claim 6, wherein the outer side of the section of the tube body (15) close to the drainage hole (17) is provided with a balloon (19), the side wall of the tube body (15) is provided with a via hole (23), one end of the via hole (23) is connected with the balloon (19) in a penetrating manner, and the end of the via hole (23) far away from the balloon (19) is communicated with the one-way valve (14) after passing through the balloon cavity (13).

8. An indwelling catheter according to claim 1, wherein the drainage lumen (11) is provided on the outside with a gripping ring (12);

the outer side of the tube body (15) is provided with a developing line (18);

the inner wall of the flow guide inner cavity (21) is provided with a plurality of interference strips (22) which are distributed inwards in a convex way.