CN219089577U - Thrombolytic needle for arteriovenous internal fistula - Google Patents
Thrombolytic needle for arteriovenous internal fistula Download PDFInfo
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- CN219089577U CN219089577U CN202320177386.8U CN202320177386U CN219089577U CN 219089577 U CN219089577 U CN 219089577U CN 202320177386 U CN202320177386 U CN 202320177386U CN 219089577 U CN219089577 U CN 219089577U
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- puncture needle
- butt joint
- needle tube
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Abstract
The utility model is suitable for the technical field of medical treatment, and discloses an arteriovenous internal fistula thrombolysis needle which comprises a puncture needle tube, an internal injection tube and a butt joint tube, wherein a plug is fixedly arranged on one side of the puncture needle tube, the butt joint tube is fixedly arranged at the other end of the puncture needle tube, a connecting hole and a first mounting hole are formed in the penetration of one side of the butt joint tube, a second mounting hole is formed in the penetration of the surface of one side of the butt joint tube, a first air tube is fixedly connected between the first mounting hole and the second mounting hole in a penetration manner, a circular air bag is fixedly arranged at one end of the first air tube, and the internal injection tube is slidably connected with the connecting hole at one end of the butt joint tube. According to the utility model, the first air pipe is stuck in the puncture needle tube, and one end of the first air pipe is connected with the circular air bag, so that when the internal injection tube is pulled out after the medicine is injected into a patient, the circular air bag is inflated, the puncture needle tube is blocked by the circular air bag, and the blood in the puncture needle tube is prevented from flowing back to cause blood overflow.
Description
Technical Field
The utility model is applicable to the technical field of medical treatment, and particularly relates to an arteriovenous internal fistula thrombolysis needle.
Background
Arteriovenous internal fistulae are the "lifeline" of uremic hemodialysis patients, and internal fistula thrombosis is the primary cause of their failure. Causes of thrombosis include: poor vascular conditions, phlebitis, arteriosclerosis, diabetic vascular disease tubes, surgical technical factors, hypercoagulability, occurrence of hypotension, long-term repeated puncture, improper compression hemostasis and the like;
in the prior art, when the arteriovenous internal fistula thrombolysis needle is used, the needle tube is required to be inserted into a skin blood vessel, thrombus is extracted through the syringe, after the thrombus is extracted, the syringe is required to be separated from the needle tube, the needle tube is required to be reserved in the skin, when the syringe is separated, blood in the needle tube overflows at the moment, the needle tube locking mechanism is not provided in the prior art, and when the syringe is separated from a retention needle head, the blood overflows easily, so that inconvenience in use is caused greatly, and in order to solve the problems in the prior art, therefore, the arteriovenous internal fistula thrombolysis needle is provided.
Disclosure of Invention
According to the arteriovenous internal fistula thrombolysis needle provided by the utility model, the first air pipe is stuck in the puncture needle tube, and one end of the first air pipe is connected with the circular air bag, so that when the internal injection tube is pulled out after medicine is injected into a patient, the circular air bag is inflated, the puncture needle tube is blocked by the circular air bag, the blood in the puncture needle tube is prevented from flowing back, the blood overflows, and the problems in the background art are solved.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides an internal arteriovenous fistula thrombolysis needle, includes puncture needle tube, interior injection tube and butt joint pipe, puncture needle tube one side fixed mounting has the end cap, puncture needle tube other end fixed mounting has the butt joint pipe, one side that butt joint pipe and puncture needle tube meet runs through and is equipped with connecting hole and first mounting hole, the surface of butt joint pipe one side runs through and is equipped with the second mounting hole, fixed through-connection has first trachea between first mounting hole and the second mounting hole, first trachea stretches into puncture needle tube inside, and first trachea adhesion is inside puncture needle tube, first trachea one end fixed mounting has circular gasbag, the connecting hole sliding connection of butt joint pipe one end has interior injection tube, interior injection tube one side surface adhesion has the second trachea, second trachea one side is connected with annular gasbag, and annular gasbag parcel is including the injection tube surface.
Preferably, the surface of the puncture needle tube is sleeved with a telescopic rubber sleeve, injection holes are uniformly formed in two sides of the tube wall of the puncture needle tube respectively, and scale marks are arranged on the surface of the puncture needle tube.
Preferably, the wall surface of the inner injection tube is provided with an injection opening, and the other end of the inner injection tube is connected with an injector.
Preferably, the other end of the first air pipe is connected with a first inflator, and the other end of the second air pipe is connected with a second inflator.
Preferably, the inner injection tube and the second air tube are matched with the connecting hole at one end of the connecting tube in size and size.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the internal arteriovenous fistula thrombolysis needle, the first air pipe is stuck in the puncture needle tube, and the circular air bag is connected to one end of the first air pipe, so that when the internal injection tube is pulled out after medicine is injected into a patient, the circular air bag is inflated, the puncture needle tube is blocked by the circular air bag, and blood in the puncture needle tube is prevented from flowing back to cause blood overflow, and the portable effect in use is improved.
2. According to the arteriovenous internal fistula thrombolysis needle, the telescopic rubber sleeve is sleeved on the surface of the puncture needle tube, so that the arteriovenous internal fistula thrombolysis needle can be abutted against the telescopic rubber sleeve through skin when in use, and therefore, the phenomenon that an indwelling needle is blocked due to impurities entering the injection opening on the injection needle tube when in injection is avoided.
Drawings
Fig. 1 is a schematic diagram of the overall structure of an arteriovenous internal fistula thrombolytic needle according to the present utility model;
fig. 2 is a schematic diagram of the internal structure of an arteriovenous internal fistula thrombolytic needle according to the present utility model;
fig. 3 is an enlarged view of a portion a in fig. 2.
In the figure: 1. puncture needle tube; 2. an inner syringe; 3. a butt joint pipe; 4. a plug; 5. a first air tube; 6. a circular balloon; 7. a second air pipe; 8. an annular air bag; 9. a telescopic rubber sleeve; 10. an injection hole; 11. an injection port; 12. a syringe; 13. a first inflator; 14. and a second inflator.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, or detachably connected, disposed, or integrally connected, disposed, for example; the types of the electric appliances provided in the present utility model are just references, and the specific meanings of the above terms in the present utility model can be understood by those skilled in the art according to specific situations by replacing different types of electric appliances having the same functions according to actual use situations.
Referring to fig. 1-3, an arteriovenous internal fistula thrombolysis needle comprises a puncture needle tube 1, an inner injection tube 2 and a butt joint tube 3, wherein a plug 4 is fixedly arranged on one side of the puncture needle tube 1, the butt joint tube 3 is fixedly arranged at the other end of the puncture needle tube 1, a connecting hole and a first mounting hole are formed in the side, connected with the puncture needle tube 1, of the butt joint tube 3 in a penetrating manner, a second mounting hole is formed in the surface of one side of the butt joint tube 3 in a penetrating manner, a first air tube 5 is fixedly connected between the first mounting hole and the second mounting hole in a penetrating manner, the first air tube 5 extends into the puncture needle tube 1, the first air tube 5 is adhered to the inside of the puncture needle tube 1, a circular air bag 6 is fixedly arranged at one end of the first air tube 5, the connecting hole at one end of the butt joint tube 3 is slidably connected with the inner injection tube 2, a second air tube 7 is adhered to the surface of one side of the inner injection tube 2, an annular air bag 8 is connected to one side of the second air tube 7, and the annular air bag 8 is wrapped on the surface of the inner injection tube 2.
Referring to fig. 1 in this embodiment, the surface of the puncture needle tube 1 is sleeved with a telescopic rubber sleeve 9, two sides of the tube wall of the puncture needle tube 1 are respectively and uniformly provided with an injection hole 10, and the surface of the puncture needle tube 1 is provided with scale marks, so that the length of the puncture needle tube 1 inserted into the blood vessel of a patient can be precisely controlled.
Referring to fig. 1 and 2, in this embodiment, the wall surface of the inner syringe 2 is provided with an injection port 11, and the other end of the inner syringe 2 is connected with an injector 12, so as to facilitate injection of the drug.
Referring to fig. 2 and 3, in this embodiment, the other end of the first air tube 5 is connected with a first air pump 13, and the other end of the second air tube 7 is connected with a second air pump 14, so as to facilitate inflating the circular air bag 6 and the annular air bag 8.
In this embodiment, referring to fig. 2 and 3, the sizes of the connecting holes of the inner syringe 2 and the second air tube 7 are matched with those of one end of the connecting tube, so as to prevent the medicine from flowing back.
The utility model is used when: the puncture needle tube 1 is inserted into a blood vessel of a patient to be injected with medicine, then the inner injection tube 2 is inserted into the puncture needle tube 1 through the butt tube 3, the injector 12 filled with the medicine is installed with one end of the inner injection tube 2, then the second inflator 14 is pressed, the annular air bag 8 is filled with air through the second air tube 7 by the second inflator 14, the annular air bag 8 plugs the inside of the puncture needle tube 1, then the injector 12 is pressed, the medicine is injected into the puncture needle tube 1 from the injection opening 11, then the injection hole 10 inserted into the blood vessel of the patient through the puncture needle tube 1 is injected into the blood vessel of the patient, after the injection is completed, the gas in the annular air bag 8 is discharged, then the inner injection tube 2 is taken down, the first air pump 13 is pressed, the circular air bag 6 is filled with air through the first air tube 5, the inside of the annular air bag 6 plugs the puncture needle tube 1, and blood backflow is prevented, and the blood is overflowed.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (5)
1. The utility model provides an internal arteriovenous fistula thrombolysis needle, includes puncture needle tube (1), interior injection tube (2) and butt joint pipe (3), its characterized in that, puncture needle tube (1) one side fixed mounting has end cap (4), puncture needle tube (1) other end fixed mounting has butt joint pipe (3), one side that butt joint pipe (3) and puncture needle tube (1) meet runs through and is equipped with connecting hole and first mounting hole, the surface of butt joint pipe (3) one side runs through and is equipped with the second mounting hole, fixed through-connection has first trachea (5) between first mounting hole and the second mounting hole, first trachea (5) stretch into puncture needle tube (1) inside, and first trachea (5) adhesion is inside puncture needle tube (1), circular gasbag (6) are installed to first trachea (5) one end fixed mounting, the connecting hole sliding connection of butt joint pipe (3) one end has interior injection tube (2), the surface adhesion has second trachea (7) on one side of interior injection tube (2), second trachea (7) one side is connected with annular (8), and annular gasbag (8) parcel surface.
2. The internal arteriovenous fistula thrombolysis needle according to claim 1, wherein the surface of the puncture needle tube (1) is sleeved with a telescopic rubber sleeve (9), injection holes (10) are uniformly formed in two sides of the tube wall of the puncture needle tube (1), and scale marks are arranged on the surface of the puncture needle tube (1).
3. The arteriovenous internal fistula thrombolysis needle according to claim 1, wherein the wall surfaces of the inner injection tube (2) are provided with injection ports (11), and the other end of the inner injection tube (2) is connected with an injector (12).
4. An arteriovenous internal fistula thrombolysis needle as claimed in claim 1, wherein the other end of the first air tube (5) is connected with a first inflator (13), and the other end of the second air tube (7) is connected with a second inflator (14).
5. An arteriovenous internal fistula thrombolysis needle as claimed in claim 1, wherein the inner injection tube (2) and the second air tube (7) are matched and matched with the size of a connecting hole at one end of the connecting tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320177386.8U CN219089577U (en) | 2023-02-10 | 2023-02-10 | Thrombolytic needle for arteriovenous internal fistula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320177386.8U CN219089577U (en) | 2023-02-10 | 2023-02-10 | Thrombolytic needle for arteriovenous internal fistula |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219089577U true CN219089577U (en) | 2023-05-30 |
Family
ID=86429147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320177386.8U Active CN219089577U (en) | 2023-02-10 | 2023-02-10 | Thrombolytic needle for arteriovenous internal fistula |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219089577U (en) |
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2023
- 2023-02-10 CN CN202320177386.8U patent/CN219089577U/en active Active
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