CN216294806U

CN216294806U - One-way catheter and one-way catheter assembly

Info

Publication number: CN216294806U
Application number: CN202020621754.XU
Authority: CN
Inventors: 王丹; 刘伟; 黄健; 杨云; 叶楠; 杨毅峰
Original assignee: Inner Mongolia Kelfu Medical Technology Service Co ltd
Current assignee: Inner Mongolia Kelfu Medical Technology Service Co ltd
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2022-04-15
Anticipated expiration: 2030-04-23

Abstract

The utility model provides a one-way catheter and a one-way catheter assembly, which belong to the technical field of urine diversion and comprise a backflow prevention structure, wherein the backflow prevention structure comprises a backflow prevention container, a cover plate, a supporting body and a floating ball, a cavity is formed in the backflow prevention container and is constructed to contain the floating ball, the cover plate is fixed on the backflow prevention container, and the supporting body is connected with the cover plate. The anti-backflow container is characterized in that a first mounting hole is formed in the cover plate, a connecting rod penetrates through the first mounting hole, a second mounting hole is formed in the supporting body, the supporting body is connected to the connecting rod in a sleeved mode through the second mounting hole, a liquid inlet hole is formed in the connecting rod and communicated with the cavity, a liquid outlet pipe is integrally formed at one end of the anti-backflow container, a liquid outlet hole is formed in the liquid outlet pipe, and the liquid outlet hole is communicated with the cavity. Make the unable backward flow of urine return patient internal through above-mentioned structure, avoid patient's body quilt backward flow urine injury.

Description

One-way catheter and one-way catheter assembly

Technical Field

The utility model relates to the technical field of urine diversion, in particular to a one-way catheter and a one-way catheter assembly.

Background

The urine collection bag is a sterilized plastic bag for collecting urine. Indwelling catheterization is the most common and frequently-used nursing operation in clinical practice for accurately recording urine volume and solving the problem of difficult urination of patients, and a urine collection bag is a necessary article for indwelling catheterization. The urine collection bag is usually communicated with the body of a patient through a catheter, and the urine collection bag is often hung near the sickbed of the patient, so that the risk that urine in the urine collection bag flows back into the body of the patient due to the extrusion (such as treading) of external force is caused, and the back-flowing urine is polluted and enters the body of the patient to damage the body health of the patient.

SUMMERY OF THE UTILITY MODEL

In order to make up for the defects, the utility model provides a one-way catheter and a one-way catheter assembly, aiming at solving the problem that the urine in a urine collection bag is extruded by external force to cause the urine to flow back into the body of a patient and damage the body health of the patient.

The utility model is realized by the following steps:

the utility model provides a one-way catheter which comprises a backflow prevention structure, wherein the backflow prevention structure comprises a backflow prevention container, a cover plate, a propping body and a floating ball, a cavity is formed in the backflow prevention container, the cavity is constructed to contain the floating ball, the floating ball is positioned at the bottom end of the cavity, the cover plate is connected to the opening end of the backflow prevention container, the propping body is connected to the cover plate, and the propping body is positioned in one end of the cavity, which is far away from the floating ball;

the improved structure of the anti-backflow container comprises a cover plate, and is characterized in that a first mounting hole is formed in the cover plate, a connecting rod penetrates through the first mounting hole, a second mounting hole is formed in a supporting body, the supporting body is connected to the connecting rod in a sleeved mode through the second mounting hole, a liquid inlet hole is formed in the connecting rod and communicated with a cavity, a liquid outlet pipe is integrally formed at one end, away from the cover plate, of the anti-backflow container, a liquid outlet hole is formed in the liquid outlet pipe, and the liquid outlet hole is communicated with the cavity.

In an embodiment of the utility model, the liquid inlet hole is arranged in a conical shape, and the diameter of the liquid inlet hole is gradually reduced from the side close to the cavity to the side far from the cavity.

In an embodiment of the present invention, a hanging table is integrally formed at one end of the connecting rod, and the supporting body is fixed to the connecting rod through the hanging table.

In one embodiment of the utility model, a second anti-slip ring is arranged on an outer cylindrical surface of one end of the connecting rod away from the abutting body.

In one embodiment of the utility model, an outer cylindrical surface of one end of the liquid outlet pipe away from the backflow-preventing container is provided with a first anti-slip ring.

In one embodiment of the utility model, a first connecting sleeve is sleeved on one end of the liquid outlet pipe away from the backflow-preventing container.

In an embodiment of the present invention, a second connection sleeve is sleeved on one end of the connection rod away from the supporting body.

In an embodiment of the present invention, a sealing ring is fixed on a surface of the cover plate close to the backflow-preventing container, and an end surface of the backflow-preventing container far away from the liquid outlet pipe is provided with an annular groove configured to accommodate the sealing ring.

In an embodiment of the present invention, a diameter of the floating ball is larger than a diameter of the opening of the abutting body, and the diameter of the floating ball is smaller than a diameter of the cavity.

In a second aspect, an embodiment of the present invention further provides a unidirectional urinary catheter assembly, including the unidirectional urinary catheter described above, and a backflow prevention mechanism, where the backflow prevention mechanism includes two sets of backflow prevention structures, and the two sets of backflow prevention structures are communicated end to end.

The utility model has the beneficial effects that: according to the unidirectional catheter and the backflow prevention mechanism, when the unidirectional catheter and the backflow prevention mechanism are used, when urine is discharged, the urine enters the cavity in the backflow prevention container from the liquid inlet hole in the connecting rod and flows into the bottom end, the floating ball floats upwards under the buoyancy effect of the urine, the floating ball leaves the inlet of the liquid outlet pipe, and then the urine flows out from the liquid outlet hole in the liquid outlet pipe and then flows into the urine collection bag;

when the collection urine bag receives external force extrusion, urine in the collection urine bag enters into the cavity in the anti-backflow container through the play liquid hole in the play liquid pipe, the floater in the cavity receives the buoyancy of urine and makes the showy motion that makes progress, the floater upwards floats always along with the increase of urine, conflict until the floater with the opening of the support body, and then floater stop motion, the floater is stifled the opening of the support body simultaneously, and then the urine can't follow the support body and enter into the feed liquor hole in the connecting rod, and then the urine also can't flow back to the patient internal, avoid the injury of patient's body quilt backflow urine.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of a unidirectional urinary catheter in a backflow prevention state according to an embodiment of the present invention;

FIG. 2 is a schematic view of a normal urination state of the unidirectional urinary catheter provided by the embodiment of the utility model;

fig. 3 is a schematic perspective view of a unidirectional urinary catheter according to an embodiment of the present invention;

fig. 4 is a schematic diagram of an exploded structure of a unidirectional urinary catheter according to an embodiment of the present invention;

fig. 5 is a schematic diagram of an exploded structure of a unidirectional catheter according to an embodiment of the present invention;

FIG. 6 is an enlarged view taken at A of FIG. 5 according to the present invention;

FIG. 7 is a schematic diagram of an exploded structure of a one-way catheter cover plate and a supporting body according to an embodiment of the present invention;

fig. 8 is a schematic perspective view of a backflow prevention mechanism according to an embodiment of the present invention.

In the figure: 100-backflow prevention structure; 110-a backflow prevention container; 111-a cavity; 112-a liquid outlet pipe; 1121-first anti-slip ring; 1122-first coupling sleeve; 1123-liquid outlet; 113-an annular groove; 120-a cover plate; 121-connecting rod; 1211-inlet opening; 1212-hanging table; 1213-second anti-slip ring; 1214-a second connecting sleeve; 122 — first mounting hole; 123-sealing ring; 130-a support; 131-a second mounting hole; 140-floating ball; 200-backflow prevention mechanism.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of 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 obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" 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. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

The urine collection bag is a sterilized plastic bag for collecting urine. Indwelling catheterization is the most common and frequently-used nursing operation in clinical practice for accurately recording urine volume and solving the problem of difficult urination of patients, and a urine collection bag is a necessary article for indwelling catheterization. The urine collection bag is usually communicated with the body of a patient through a catheter, the urine collection bag is usually hung near a sickbed of the patient, the risk that urine in the urine collection bag flows back into the body of the patient due to extrusion of external force can be caused, the returned urine is polluted, and the body health of the patient can be damaged when the urine enters the body of the patient.

Referring to fig. 1 and fig. 2, the present invention provides a technical solution: the utility model provides a one-way catheter, including anti-backflow structure 100, anti-backflow structure 100 includes anti-backflow container 110, a cover plate 120, support body 130 and floater 140, cavity 111 has been seted up to anti-backflow container 110's inside, cavity 111 is constructed into the holding floater 140, floater 140 is located the bottom of cavity 111, cover plate 120 passes through bolt fixed mounting in the open end of anti-backflow container 110, support body 130 is connected in cover plate 120, support body 130 is located cavity 111 and keeps away from inside the one end of floater 140, support body 130 is constructed into the bowl, the unable urine that gets into around floater 140 when realizing that floater 140 contradicts with support body 130 is in support body 130.

Referring to fig. 2 and 4, the cover plate 120 is provided with a first mounting hole 122, a connecting rod 121 penetrates through the first mounting hole 122, the supporting body 130 is provided with a second mounting hole 131, the supporting body 130 is sleeved on the connecting rod 121 through the second mounting hole 131, a liquid inlet 1211 is provided inside the connecting rod 121, the liquid inlet 1211 is communicated with the cavity 111, in a specific arrangement, the liquid inlet 1211 is tapered, the diameter of the liquid inlet 1211 decreases from a side close to the chamber 111 to a side away from the chamber 111, when urine flows into the cavity 111 from the patient, the liquid inlet 1211 is tapered to increase the outlet area, so that the urination efficiency is improved, the liquid outlet pipe 112 is integrally formed at one end of the backflow-preventing container 110, which is far away from the cover plate 120, the liquid outlet hole 1123 is formed in the liquid outlet pipe 112, the liquid outlet hole 1123 is communicated with the cavity 111, and the backflow-preventing container 110 is discharged from the cavity 111 through the liquid outlet hole 1123.

Referring to fig. 7, in some specific embodiments, a hanging table 1212 is integrally formed at an end of the connecting rod 121, and the supporting body 130 is fixed on the connecting rod 121 through the hanging table 1212, so as to prevent the supporting body 130 from sliding down from the connecting rod 121, thereby playing a role in limiting and protecting.

Referring to fig. 6 and 7, in an embodiment of the present invention, a first connecting sleeve 1122 is sleeved on an end of the outlet pipe 112 away from the backflow-preventing container 110, the connection between the liquid outlet pipe 112 and the urine collecting bag and urine pipe is realized by the first connecting sleeve 1122, the second connecting sleeve 1214 is sleeved on one end of the connecting rod 121 far away from the supporting body 130, the connection between the connecting rod 121 and the ureter connected with the human body is realized by the second connecting sleeve 1214, in an embodiment of the present invention, a second anti-slip ring 1213 is disposed on an outer cylindrical surface of an end of the connecting rod 121 away from the supporting body 130, so as to increase a friction force between the connecting rod 121 and the second connecting sleeve 1214 and improve a connection firmness therebetween, and a first anti-slip ring 1121 is disposed on an outer cylindrical surface of an end of the liquid outlet pipe 112 away from the anti-backflow container 110 and increase a friction force between the liquid outlet pipe 112 and the first connecting sleeve 1122 and improve a connection firmness therebetween.

Referring to fig. 5 and 7, in an embodiment of the present invention, a sealing ring 123 is fixed on a surface of the cover plate 120 close to the backflow-preventing container 110, an end surface of the backflow-preventing container 110 far from the liquid outlet pipe 112 is provided with an annular groove 113, and the annular groove 113 is configured to accommodate the sealing ring 123, so as to prevent urine from flowing out from a gap between the cover plate 120 and the backflow-preventing container 110, thereby achieving a sealing effect.

Referring to fig. 1, in an embodiment of the present invention, the diameter of the floating ball 140 is larger than the opening diameter of the abutting body 130, when the floating ball 140 abuts against the abutting body 130, the floating ball 140 seals the abutting body 130 to prevent urine from entering the connecting rod 121 in the floating ball 140, and the diameter of the floating ball 140 is smaller than the diameter of the cavity 111, so that the floating ball 140 can move up and down in the cavity 111.

Referring to fig. 8, in a second aspect, an embodiment of the present invention further provides a unidirectional urinary catheter assembly, which includes the unidirectional urinary catheter and a backflow prevention mechanism 200, wherein the backflow prevention mechanism 200 includes two sets of backflow prevention structures 100, and the two sets of backflow prevention structures 100 are connected end to end, so that a backflow prevention effect is better.

Specifically, this one-way catheter and one-way catheter subassembly's theory of operation: when urinating, urine enters the cavity 111 in the backflow prevention container 110 from the liquid inlet 1211 in the connecting rod 121 and flows into the bottom end, the floating ball 140 floats upwards under the buoyancy of the urine, the floating ball 140 leaves the inlet of the liquid outlet pipe 112, and the urine flows out of the liquid outlet hole 1123 in the liquid outlet pipe 112 and then flows into the urine collection bag.

When the urine collection bag is squeezed by an external force, urine in the urine collection bag enters the cavity 111 in the backflow prevention container 110 through the liquid outlet hole 1123 in the liquid outlet pipe 112, the floating ball 140 in the cavity 111 is upwards floated by buoyancy of the urine and always upwards floats along with increase of the urine until the floating ball 140 is abutted against the opening of the abutting body 130, so that the floating ball 140 stops moving, meanwhile, the floating ball 140 blocks the opening of the abutting body 130, the urine cannot enter the liquid inlet hole 1211 in the connecting rod 121 from the abutting body 130, and the urine cannot flow back to the inside of the patient, so that the injury of the body of the patient by the backflow urine is avoided.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A unidirectional catheter is characterized by comprising

The backflow prevention structure (100) comprises a backflow prevention container (110), a cover plate (120), a supporting body (130) and a floating ball (140), wherein a cavity (111) is formed in the backflow prevention container (110), the cavity (111) is configured to accommodate the floating ball (140), the floating ball (140) is located at the bottom end of the cavity (111), the cover plate (120) is fixedly installed at the opening end of the backflow prevention container (110), the supporting body (130) is connected to the cover plate (120), and the supporting body (130) is located in one end, far away from the floating ball (140), of the cavity (111);

the anti-backflow container is characterized in that a first mounting hole (122) is formed in the cover plate (120), a connecting rod (121) penetrates through the first mounting hole (122), a second mounting hole (131) is formed in the abutting body (130), the abutting body (130) is sleeved on the connecting rod (121) through the second mounting hole (131), a liquid inlet hole (1211) is formed in the connecting rod (121), the liquid inlet hole (1211) is communicated with the cavity (111), a liquid outlet pipe (112) is integrally formed at one end, away from the cover plate (120), of the anti-backflow container (110), a liquid outlet hole (1123) is formed in the liquid outlet pipe (112), and the liquid outlet hole (1123) is communicated with the cavity (111).

2. A unidirectional urinary catheter according to claim 1, characterised in that the inlet opening (1211) is tapered, the diameter of the inlet opening (1211) decreasing from the side close to the chamber (111) to the side remote from the chamber (111).

3. A unidirectional urinary catheter according to claim 1, characterized in that a hanging platform (1212) is integrally formed at one end of the connecting rod (121), and the supporting body (130) is fixed on the connecting rod (121) through the hanging platform (1212).

4. A unidirectional urinary catheter according to claim 1, characterized in that the end of the connecting rod (121) remote from the support body (130) on the outer cylindrical surface is provided with a second anti-slip ring (1213).

5. A unidirectional urinary catheter according to claim 1, characterized in that the liquid outlet pipe (112) is provided with a first anti-slip ring (1121) on the outer cylindrical surface of the end away from the anti-backflow container (110).

6. A unidirectional urinary catheter according to claim 1, characterized in that the end of the liquid outlet tube (112) remote from the backflow-prevention container (110) is sleeved with a first connecting sleeve (1122).

7. A unidirectional urinary catheter according to claim 1, characterized in that a second connecting sleeve (1214) is sleeved on the end of the connecting rod (121) far away from the supporting body (130).

8. A unidirectional urinary catheter according to claim 1, characterized in that a sealing ring (123) is fixed on one surface of the cover plate (120) close to the backflow-preventing container (110), an end surface of the backflow-preventing container (110) far away from the liquid outlet pipe (112) is provided with an annular groove (113), and the annular groove (113) is configured to accommodate the sealing ring (123).

9. A unidirectional urinary catheter according to claim 1, characterized in that the diameter of said floating ball (140) is greater than the diameter of the opening of said retaining body (130), said floating ball (140) having a diameter smaller than the diameter of said cavity (111).

10. A unidirectional catheter assembly comprising

The unidirectional urinary catheter of any one of claims 1 to 9, and

the backflow prevention mechanism (200) comprises two sets of backflow prevention structures (100), and the two sets of backflow prevention structures (100) are communicated end to end.