CN219721537U

CN219721537U - Vaccine syringe

Info

Publication number: CN219721537U
Application number: CN202222459658.1U
Authority: CN
Inventors: 侯峰; 陈星远; 曹利利; 宫鹏涛; 李思明; 丁鹤; 王典
Original assignee: Haimu Animal Health Products Shandong Co ltd
Current assignee: Haimu Animal Health Products Shandong Co ltd
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2023-09-22
Anticipated expiration: 2032-09-16

Abstract

The utility model belongs to the technical field of medical equipment, and particularly relates to a vaccine syringe which comprises a syringe tube body, wherein a lining plate is arranged at one end of the syringe tube body, a pintle is arranged at one side, close to the lining plate, of the syringe tube body, and a push plate is arranged at one side of the pintle. According to the utility model, the first piston and the second piston are arranged, two sets of piston structures are adopted and are matched, so that when the injector injects medicine, the medicine residue in the injector is less, the injector tube body and the pintle are arranged, so that the injector operates more smoothly and the condition of liquid leakage cannot occur, the injection needle at the front end of the sleeve joint is put into use through arranging the sleeve joint end and the sleeve joint part, the dosage of medicine injection can be controlled through connecting different sleeve joint parts and the injection needle, and the needle point with a three-face structure is adopted through arranging the injection needle, so that the required rare penetration force of the needle point part on the inner wall of the needle tube is reduced by 23%, and the pain of a human body can be greatly relieved.

Description

Vaccine syringe

Technical Field

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

Background

Syringes are a common medical device. As early as 15 th century, italian people have proposed the principle of syringes in calyx. Mainly using needles to withdraw or inject gas or liquid.

Syringes may also be used for injection of medical devices, containers, such as scientific instruments in chromatography, through rubber diaphragms.

The advent of syringes is an epoch-making revolution in the medical device field. This process of drawing, injecting a gas or liquid with a needle is called injection. The injector consists of a needle cylinder with a small hole at the front end and a matched piston core rod, and is used for injecting a small amount of liquid or the liquid into areas inaccessible to other methods or extracting the liquid or the gas from the places, wherein the liquid or the gas is sucked from the small hole at the front end of the needle cylinder when the core rod is pulled out, and the liquid or the gas is extruded when the core rod is pushed in.

The prior art has the following problems:

1. the existing biomedical genetic engineering vaccine injector adopts a single piston structure, and the drug injection is easy to produce residues;

2. the existing biomedical genetic engineering vaccine injector has the defects of great stabbing pain of a human body and uncomfortable body feeling of a patient in the injection process.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a vaccine syringe which solves the existing problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a vaccine syringe, includes the syringe body, syringe body one end is provided with the welt, one side that the syringe body is close to the welt is provided with the pintle, pintle one side is provided with the push pedal, the syringe body other end is different from the welt and is provided with the end of cup jointing, the outside cover of cup jointing is equipped with the piece that cup joints, cup jointing one side is provided with the syringe needle, pintle one end is connected with the mount pad, the mount pad terminal surface is connected with first piston, first piston one side is provided with the connecting piece, connecting piece one end is connected with the second piston, second piston one end is provided with the plunger.

As a preferable technical scheme of the utility model, the first piston is connected with the second piston through the connecting piece and forms an integral structure, and the first piston and the second piston are of rubber structures with the same diameter.

As a preferable technical scheme of the utility model, the syringe tube body comprises a tube body inner cavity and a clamping groove, the tube body inner cavity is formed in the syringe tube body, the inner diameter of the tube body inner cavity is consistent with the sizes of the first piston and the second piston, and the clamping groove is formed in one end, close to the lining plate, of the inner side wall of the syringe tube body.

As a preferable technical scheme of the utility model, the pintle extends to the inner cavity of the tube body, the pintle comprises a connecting block and a connecting part, the connecting blocks are fixedly arranged around the pintle and form an integral structure, four groups of connecting blocks are in a cross shape, the sizes of clamping grooves are consistent with the diameters of the pintle and the sizes of the connecting blocks, one end of the pintle extending to the inner cavity of the tube body is fixedly connected with the connecting part, and the pintle is connected with the mounting seat through the connecting part.

As a preferable technical scheme of the utility model, the outer side wall of the sleeving end is a threaded end, the sleeving end is communicated with the inner cavity of the tube body, the aperture of the sleeving end is matched with the plunger, threads matched with the threaded end are formed on the inner wall of the sleeving part, and the sleeving part is connected with the sleeving end through the threaded end.

As a preferable technical scheme of the utility model, the injection needle consists of a needle point and a needle tube, the injection needle is communicated with the inner cavity of the tube body, the front end face of the injection needle is the needle point, the needle point consists of a first cutting edge face and a second cutting edge face, the first cutting edge face is of a front face angle structure, and the second cutting edge face is provided with two groups of reverse face chamfer structures.

Compared with the prior art, the utility model provides a vaccine syringe, which has the following beneficial effects:

1. according to the vaccine injector, the first piston and the second piston are arranged, the first piston is connected with the second piston through the connecting piece and forms an integral structure, the first piston and the second piston are of rubber structures with the same diameter, and two groups of piston structures are adopted to be matched, so that when the injector injects medicine, medicine residues in the injector are fewer;

2. the vaccine injector comprises an injector tube body and a needle bolt, wherein the injector tube body comprises a tube body inner cavity and a clamping groove, the tube body inner cavity is formed in the injector tube body, the inner diameter of the tube body inner cavity is consistent with the sizes of a first piston and a second piston, the clamping groove is formed in one end, close to a lining plate, of the inner side wall of the injector tube body, the needle bolt extends to the inner cavity of the tube body, the needle bolt comprises a connecting block and a connecting part, the periphery of the needle bolt is fixedly provided with the connecting block and forms an integral structure, four groups of connecting blocks are in a cross shape, the sizes of the clamping groove are consistent with the diameters of the needle bolt and the sizes of the connecting blocks, one end, extending towards the inner cavity of the tube body, of the needle bolt is fixedly connected with a mounting seat through the connecting part, and is matched with the clamping groove through the connecting block, and the special cross structure enables the needle bolt to be more firmly connected with the injector tube body, and the needle bolt is pushed through a pushing plate to drive each group of pistons to push medicines, so that the injector works smoothly and a liquid leakage condition can not be generated;

3. according to the vaccine injector, the sleeving end and the sleeving piece are arranged, the outer side wall of the sleeving end is the threaded end, the sleeving end is communicated with the inner cavity of the tube body, the aperture is matched with the plunger, threads matched with the threaded end are formed in the inner wall of the sleeving piece, the sleeving piece is connected with the sleeving end through the threaded end, the sleeving piece is connected with the sleeving end, meanwhile, the injection needle at the front end of the sleeving piece is put into use, and similarly, the dosage of drug injection can be controlled by connecting different sleeving pieces with the injection needle;

4. the vaccine injector comprises an injection needle head, wherein the injection needle head consists of a needle point and a needle tube, the injection needle head is communicated with the inner cavity of a tube body, the front end face of the injection needle head is the needle point, the needle point consists of a first cutting edge face and a second cutting edge face, the first cutting edge face is of a front angle structure, the second cutting edge face is provided with two groups of reverse chamfer structures, and the needle point of a three-face structure is adopted, so that the required penetration force of the needle point part on the inner wall of the needle tube is reduced by 23%, and the pain of a human body can be greatly relieved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of a syringe barrel according to the present utility model;

FIG. 3 is a top view of the syringe barrel structure of the present utility model;

FIG. 4 is a schematic view of a pintle according to the present utility model;

fig. 5 is a schematic view of the structure of the injection needle of the present utility model.

In the figure: 1. a syringe body; 101. an inner cavity of the tube body; 102. a clamping groove; 2. a lining plate; 3. a pintle; 301. a connecting block; 302. a connection part; 4. a push plate; 5. a sleeving end; 501. a threaded end; 6. a socket; 7. an injection needle; 701. a needle tip; 702. a first facet; 703. a second facet; 8. a mounting base; 9. a first piston; 10. a connecting piece; 11. a second piston; 12. and a plunger.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 5, in the present embodiment: the utility model provides a vaccine syringe, including syringe body 1, syringe body 1 one end is provided with welt 2, one side that syringe body 1 is close to welt 2 is provided with pintle 3, pintle 3 one side is provided with push pedal 4, syringe body 1 other end is different from welt 2 is provided with cup joints end 5, cup joints 5 outside cover is equipped with cup joints 6, cup joints 6 one side and is provided with syringe needle 7, pintle 3 one end is connected with mount pad 8, the mount pad 8 terminal surface is connected with first piston 9, first piston 9 one side is provided with connecting piece 10, connecting piece 10 one end is connected with second piston 11, second piston 11 one end is provided with plunger 12.

In the embodiment, the first piston 9 is connected with the second piston 11 through the connecting piece 10 and forms an integral structure, the first piston 9 and the second piston 11 are of rubber structures with the same diameter, and two groups of piston structures are adopted to match, so that when the injector injects medicine, the medicine residue in the injector is less; the syringe tube body 1 comprises a tube body inner cavity 101 and a clamping groove 102, the tube body inner cavity 101 is formed in the syringe tube body 1, the inner diameter of the tube body inner cavity 101 is consistent with the sizes of the first piston 9 and the second piston 11, the clamping groove 102 is formed in one end, close to the lining plate 2, of the inner side wall of the syringe tube body 1, the needle bolt 3 extends towards the inside of the tube body inner cavity 101, the needle bolt 3 comprises a connecting block 301 and a connecting portion 302, the connecting blocks 301 are fixedly arranged around the needle bolt 3 and form an integral structure, four groups of connecting blocks 301 are in a cross shape, the size of the clamping groove 102 is consistent with the diameter of the needle bolt 3 and the size of the connecting block 301, one end, extending towards the inside of the tube body inner cavity 101, of the needle bolt 3 is fixedly connected with the connecting portion 302, the needle bolt 3 is connected with the mounting seat 8 through the connecting portion 302, the connecting block 301 is matched with the clamping groove 102, and the needle bolt 3 is driven by the push plate 4 to drive each group of pistons to push medicine, so that the syringe runs smoothly and does not leak; the outer side wall of the sleeving part 5 is a threaded part 501, the sleeving part 5 is communicated with the inner cavity 101 of the tube body, the aperture is matched with the plunger 12, threads matched with the threaded part 501 are formed on the inner wall of the sleeving part 6, the sleeving part 6 is connected with the sleeving part 5 through the threaded part 501, the sleeving part 6 is connected with the sleeving part 5, meanwhile, the injection needle 7 at the front end of the sleeving part 6 is put into use, and the dosage of medicine injection can be controlled by connecting different sleeving parts 6 with the injection needle 7 in the same way; the injection needle 7 comprises a needle point 701 and a needle tube, the injection needle 7 is communicated with the inner cavity 101 of the tube body, the front end face of the injection needle 7 is the needle point 701, the needle point 701 comprises a first cutting face 702 and a second cutting face 703, the first cutting face 702 is of a front angle structure, the second cutting face 703 is provided with two groups of needle points which are of a reverse chamfer structure, and the needle point 701 of a three-face structure is adopted, so that the needed penetration force of the tip part of the needle point 701 on the inner wall of the needle tube is reduced by 23%, and the pain of a human body can be greatly relieved.

The working principle and the using flow of the utility model are as follows: the operator firstly inserts the needle tip 701 into the medicine container, and drives the pintle 3, the first piston 9 and the second piston 11 to operate by pulling the push plate 4, so that medicine can be injected into the inner cavity 101 of the tube body, and then the injection needle 7 pierces the skin of a patient, and the push plate 4 is pushed to complete injection, and as the injection needle 7 adopts a three-face structure, the required rare penetration force of the tip of the needle tip 701 on the inner wall of the needle tube is reduced by 23%, and the pain of a human body can be greatly relieved.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A vaccine syringe, characterized in that: including syringe body (1), syringe body (1) one end is provided with welt (2), one side that syringe body (1) is close to welt (2) is provided with pintle (3), pintle (3) one side is provided with push pedal (4), syringe body (1) other end is different from welt (2) and is provided with cup joints end (5), cup joints the outside cover of end (5) and is equipped with socket joint (6), socket joint (6) one side is provided with injection needle (7), pintle (3) one end is connected with mount pad (8), mount pad (8) terminal surface is connected with first piston (9), first piston (9) one side is provided with connecting piece (10), connecting piece (10) one end is connected with second piston (11), second piston (11) one end is provided with plunger (12).

2. A vaccine syringe according to claim 1, characterised in that: the first piston (9) is connected with the second piston (11) through a connecting piece (10) and forms an integral structure, and the first piston (9) and the second piston (11) are of rubber structures with the same diameter.

3. A vaccine syringe according to claim 1, characterised in that: the syringe body (1) includes body inner chamber (101) and draw-in groove (102), body inner chamber (101) have been seted up to syringe body (1) inside, body inner chamber (101) internal diameter is unanimous with first piston (9) and second piston (11) size, draw-in groove (102) have been seted up to one end that is close to welt (2) of syringe body (1) inside wall.

4. A vaccine syringe according to claim 3, characterised in that: the needle bolt (3) extends to the inside of the inner cavity (101) of the pipe body, the needle bolt (3) comprises a connecting block (301) and a connecting portion (302), the connecting block (301) is fixedly installed around the needle bolt (3) and forms an integral structure, four groups of connecting blocks (301) are in a cross shape, the size of the clamping groove (102) is consistent with the diameter of the needle bolt (3) and the size of the connecting block (301), the needle bolt (3) is fixedly connected with the connecting portion (302) to one end extending to the inner cavity (101) of the pipe body, and the needle bolt (3) is connected with the mounting seat (8) through the connecting portion (302).

5. A vaccine syringe according to any one of claims 1 or 3, characterised in that: the outer side wall of the sleeve joint end (5) is a threaded end (501), the sleeve joint end (5) is communicated with the inner cavity (101) of the pipe body, the aperture is matched with the plunger (12), threads matched with the threaded end (501) are formed in the inner wall of the sleeve joint part (6), and the sleeve joint part (6) is connected with the sleeve joint end (5) through the threaded end (501).

6. A vaccine syringe according to any one of claims 1 or 3, characterised in that: the injection needle (7) is composed of a needle point (701) and a needle tube, the injection needle (7) is communicated with an inner cavity (101) of a tube body, the front end face of the injection needle (7) is the needle point (701), the needle point (701) is composed of a first cutting edge face (702) and a second cutting edge face (703), the first cutting edge face (702) is of a front corner structure, and the second cutting edge face (703) is provided with two groups and is of a reverse chamfer structure.