CN219022924U

CN219022924U - Catheter

Info

Publication number: CN219022924U
Application number: CN202222742121.6U
Authority: CN
Inventors: 罗海根
Original assignee: Henan Kelong Medical Apparatus & Instruments Co ltd
Current assignee: Henan Kelong Medical Apparatus & Instruments Co ltd
Priority date: 2022-10-18
Filing date: 2022-10-18
Publication date: 2023-05-16
Anticipated expiration: 2032-10-18

Abstract

The utility model discloses a catheter, which comprises an inner catheter and an outer sleeve. The beneficial effects are that: the utility model adopts the second balloon, when the second balloon is inserted into the bladder of a patient, the syringe can be used for being inserted into the injection head, normal saline is injected into the injection tube, the normal saline passes through the check head and enters the inner catheter and the outer sleeve tube along the injection tube, and enters the first balloon, the first balloon is expanded to clamp the bladder opening, and simultaneously, after the normal saline is continuously injected, the second balloon which is positioned on the surface of the injection tube and is communicated with the first balloon can be inflated to form a sphere, and the installation can be completed after the injection head is sealed.

Description

Catheter

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a catheter.

Background

The catheter is a pipeline made of natural rubber, silicon rubber or polyvinyl chloride (PVC), can be inserted into the bladder through the urethra so as to drain urine, and after the catheter is inserted into the bladder, an air bag is arranged near the head end of the catheter to fix the catheter and remain in the bladder, so that the catheter is not easy to fall off, and the drainage tube is connected with a urine bag to collect urine.

The catheter is comparatively common medical equipment, and the gasbag of traditional catheter is located the patient internally, and through injection normal saline inflation is fixed, because it exists in the bladder, whether leak can't observe it from the health outside, and once the gasbag leaks, the catheter will produce the risk that drops, causes the potential safety hazard, discovers after retrieving, and the publication number is CN104127951B, and the name is a sacculus catheter, and this application structure is similar to the catheter commonly used at present, and its sacculus has set up one, is located the bladder, can't judge whether leak gas after inserting in the health, still can further make the improvement.

For the problems in the related art, no effective solution has been proposed at present.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the catheter which has the advantages of reducing the falling-off risk and improving the convenience of use, thereby solving the problems in the background art.

(II) technical scheme

In order to achieve the advantages of reducing the falling risk and improving the convenience of use, the utility model adopts the following specific technical scheme:

the utility model provides a catheter, includes inner catheter and outer tube, the outer tube has been cup jointed in the inner catheter outside, and inner catheter one end and outer tube one end through connection have the guide hole, and inner catheter one end outer wall and outer tube one end inner wall fixed connection to guide hole one side is located the outer tube surface and is provided with first sacculus, the outer tube other end through connection has the syringe, and the syringe surface is provided with the second sacculus, and the syringe other end fixed grafting has the intubate, the intubate other end integral type is connected with the check head, and the check head other end through connection has the injection head to the end cap inside has the end cap through spring coupling, end cap opposite side fixed surface bonds has the rubber pad, and rubber pad and injection head one end butt.

Furthermore, the other end of the inner conduit is inserted with a short connecting pipe, the other end of the short connecting pipe is integrally connected with an inserting head, a disc is fixedly connected inside the short connecting pipe, and the bottom surface of the disc is connected with a funnel in a penetrating way.

Further, the inner wall of the other end of the injection tube is sealed and adhered with the outer wall of the cannula.

Further, the two ends of the spring are fixedly connected with the inner wall of the check head and one side surface of the plug respectively, and the spring is made of 316L stainless steel.

Further, the outer wall of the other end of the inner catheter is in sealing adhesion with the inner wall of the other end of the outer sleeve.

Furthermore, the inner wall of the other end of the inner conduit is fixedly bonded with the outer wall of the short connecting pipe in a sealing way.

Further, the plug connector is matched with a urine bag plug.

Further, the injection head is matched with the injector.

(III) beneficial effects

Compared with the prior art, the utility model provides the catheter which has the following beneficial effects:

(1) The utility model adopts the second balloon, the outer sleeve is sleeved on the outer side of the inner catheter, the first balloon is arranged at the position, close to the guide hole, of the outer sleeve, after the outer sleeve is inserted into the bladder of a patient, the syringe can be used for being inserted into the injection head, physiological saline is injected into the injection tube, passes through the check head and enters the inner catheter and the outer sleeve along the injection tube, enters the first balloon, and is expanded to clamp the bladder opening, so that the fixation is completed, meanwhile, after the physiological saline is continuously injected, the second balloon which is positioned on the surface of the injection tube and is communicated with the first balloon is expanded to form a sphere, the installation can be completed after the injection head is sealed, and as the first balloon and the second balloon are in a through structure, the size change of the first balloon positioned in the bladder can be intuitively known through the size change of the second balloon, so that whether the first balloon is leaked or not can be conveniently judged, the risk of falling is reduced, and the convenience of use is improved.

(2) The utility model adopts the check head, when normal saline is injected, the water pressure pushes the rubber pad to move, the injection head is not blocked, the normal saline is convenient to inject, when the normal saline is injected, the spring rebounds, the plug is pushed to reset, the rubber pad on one side surface of the plug plugs the injection head, thereby avoiding water leakage, completing self-plugging, avoiding water leakage after the injection head is removed, and being convenient for medical staff to use.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic illustration of a catheter according to the present utility model;

FIG. 2 is a front view of a catheter according to the present utility model;

FIG. 3 is an enlarged view of node A of a catheter in accordance with the present utility model;

fig. 4 is a schematic view of the connection of the disc and the funnel according to the present utility model.

In the figure:

1. an inner catheter; 2. an outer sleeve; 3. a first balloon; 4. a guide hole; 5. a junction pipe; 6. a plug; 7. a syringe; 8. a second balloon; 9. a return stop; 10. an injection head; 11. a cannula; 12. a spring; 13. a plug; 14. a rubber pad; 15. a disc; 16. and (5) a funnel.

Detailed Description

For the purpose of further illustrating the various embodiments, the present utility model provides the accompanying drawings, which are a part of the disclosure of the present utility model, and which are mainly used to illustrate the embodiments and, together with the description, serve to explain the principles of the embodiments, and with reference to these descriptions, one skilled in the art will recognize other possible implementations and advantages of the present utility model, wherein elements are not drawn to scale, and like reference numerals are generally used to designate like elements.

According to an embodiment of the present utility model, a urinary catheter is provided.

The utility model will now be further described with reference to the accompanying drawings and the detailed description, as shown in fig. 1-4, a catheter according to an embodiment of the utility model comprises an inner catheter 1 and an outer sleeve 2, the outer sleeve 2 is sleeved outside the inner catheter 1, one end of the inner catheter 1 and one end of the outer sleeve 2 are connected with a guide hole 4 in a penetrating way, the guide hole 4 is provided with two, the common structure in the art is adopted, one end outer wall of the inner catheter 1 is fixedly connected with one end inner wall of the outer sleeve 2, one end outer wall of the inner catheter 1 is sealed and adhered with one end inner wall of the outer sleeve 2, physiological saline leakage in the first balloon 3 is avoided, meanwhile urine is prevented from entering between the inner catheter 1 and the outer sleeve 2 along the guide hole 4, one side of the guide hole 4 is provided with the first balloon 3 on the surface of the outer sleeve 2, the other end of the outer sleeve 2 is connected with an injection tube 7 in a penetrating way, and the surface of the injection tube 7 is provided with a second balloon 8, the other end of the injection tube 7 is fixedly inserted with an insertion tube 11, the other end of the insertion tube 11 is integrally connected with a check head 9, the other end of the check head 9 is in through connection with an injection head 10, the inside of the check head 9 is connected with a plug 13 through a spring 12, the other side surface of the plug 13 is fixedly adhered with a rubber pad 14, the rubber pad 14 is abutted against one end of the injection head 10, wherein the injection head 10 is matched with an injector, a syringe cylinder can be inserted into the injection head 10, a first balloon 3 is arranged at the position of the outer sleeve 2 close to the guide hole 4, when the injection tube is inserted into a bladder of a patient, the injector can be used for being inserted into the injection head 10, physiological saline is injected into the injection tube 7 along the injection tube 7 through the check head 9, enters into the inner catheter 1 and the outer sleeve 2, the first balloon 3 is spread, the bladder mouth is blocked, and the fixation is completed, meanwhile, after normal saline is continuously injected, the second balloon 8 which is positioned on the surface of the injection tube 7 and communicated with the first balloon 3 is inflated to form a sphere, the injection head 10 can be completely installed after the injection head 10 is blocked, and as the first balloon 3 and the second balloon 8 are of a through structure and the second balloon 8 is positioned outside a body, the size change of the first balloon 3 positioned in the bladder can be intuitively understood through the size change of the second balloon 8, so that whether the first balloon 3 leaks or not can be conveniently judged, the falling risk is reduced, the convenience of use is improved, meanwhile, when normal saline is injected, the water pressure pushes the rubber pad 14 to move, the injection head 10 is not blocked any more, the normal saline is convenient to inject, after the normal saline is injected, the spring 12 rebounds, the plug 13 is pushed to reset, the rubber pad 14 on one side surface of the plug 13 plugs the injection head 10, thus the self-blocking can be avoided, the leakage of the medical care personnel after the injection head 10 is avoided, and the medical care personnel can be conveniently removed.

In one embodiment, the other end of the inner catheter 1 is inserted with the short connecting pipe 5, the other end of the short connecting pipe 5 is integrally connected with the plug connector 6, the disc 15 is fixedly connected inside the short connecting pipe 5, the bottom surface of the disc 15 is in through connection with the funnel 16, urine flows out through the funnel 16 through the inner catheter 1, the plug connector 6 is matched with a urine bag plug, the plug connector 6 is used for connecting the urine bag, and the urine in the urine bag is difficult to reversely pass through the funnel 16, so that the backflow prevention effect of the device is improved, and the risk of infection is reduced.

In one embodiment, the inner wall of the other end of the syringe 7 is sealed and bonded to the outer wall of the cannula 11 to avoid leakage.

In one embodiment, the two ends of the spring 12 are fixedly connected with the inner wall of the check head 9 and one side surface of the plug 13 respectively, and the spring 12 is made of 316L stainless steel, so that rust is avoided, and the spring is a common material in the medical field.

In one embodiment, the outer wall of the other end of the inner guide tube 1 is sealed and bonded with the inner wall of the other end of the outer sleeve 2, so that water leakage is avoided.

In one embodiment, the inner wall of the other end of the inner conduit 1 is fixedly bonded with the outer wall of the short connecting pipe 5 in a sealing way, so that urine leakage is avoided.

Working principle:

after the syringe is inserted into the bladder of a patient, the syringe can be used for being inserted into the injection head 10, physiological saline is injected into the injection tube 7, the physiological saline passes through the check head 9 and enters the inner catheter 1 and the outer sleeve 2 along the injection tube 7, and enters the first balloon 3, the first balloon 3 is propped open to clamp the bladder opening, and after the physiological saline is continuously injected, the second balloon 8 which is positioned on the surface of the injection tube 7 and is communicated with the first balloon 3 is inflated to form a ball shape, the injection head 10 can be completely installed after the injection head 10 is blocked, as the first balloon 3 and the second balloon 8 are of a through structure, and the second balloon 8 is positioned outside a body, the size change of the first balloon 3 positioned in the bladder can be visually known through the size change of the second balloon 8, so that whether the first balloon 3 leaks or not can be conveniently judged, the risk of falling is reduced, the convenience of use is improved, meanwhile, the physiological saline is continuously injected, the water pressure pushes the rubber pad 14 to move, the injection head 10 is not blocked, the physiological saline is conveniently injected, the rebound spring 13 is reset, and the rubber pad 10 is prevented from being withdrawn from the surface of the injection head 10 after the injection head is completely blocked, and the water leakage is avoided, and the leakage of the medical care head is completely avoided.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. Catheter, its characterized in that includes inner catheter (1) and outer tube (2), outer tube (2) have been cup jointed in the inner catheter (1) outside, and inner catheter (1) one end and outer tube (2) one end through connection have guide hole (4), and inner catheter (1) one end outer wall and outer tube (2) one end inner wall fixed connection to guide hole (4) one side is located outer tube (2) surface and is provided with first sacculus (3), outer tube (2) other end through connection has injection tube (7), and injection tube (7) surface is provided with second sacculus (8) to injection tube (7) other end fixed grafting has intubate (11), intubate (11) other end integral type is connected with check head (9), and check head (9) other end through connection has injection head (10) to check head (9) inside is connected with end cap (13) through spring (12), end cap (13) opposite side fixed surface is adhered with rubber pad (14), and rubber pad (14) and injection head (10) one end butt.

2. A catheter according to claim 1, characterized in that the other end of the inner catheter (1) is inserted with a short connecting pipe (5), the other end of the short connecting pipe (5) is integrally connected with an inserting joint (6), a disc (15) is fixedly connected inside the short connecting pipe (5), and a funnel (16) is connected with the bottom surface of the disc (15) in a penetrating way.

3. A catheter according to claim 1, wherein the inner wall of the other end of the injection tube (7) is sealingly bonded to the outer wall of the cannula (11).

4. The catheter according to claim 1, wherein the two ends of the spring (12) are fixedly connected with the inner wall of the check head (9) and the surface of one side of the plug (13), and the spring (12) is made of 316L stainless steel.

5. A catheter according to claim 1, wherein the outer wall of the other end of the inner catheter (1) is sealed and bonded to the inner wall of the other end of the outer sleeve (2).

6. A catheter according to claim 2, characterized in that the inner wall of the other end of the inner catheter (1) is sealed and fixedly bonded to the outer wall of the connecting stub (5).

7. A catheter according to claim 2, characterized in that the plug (6) is adapted to mate with a urine bag plug.

8. A catheter according to claim 1, characterized in that the injection head (10) is fitted with a syringe.