CN218900462U

CN218900462U - Three-way injector structure convenient to use

Info

Publication number: CN218900462U
Application number: CN202223584903.8U
Authority: CN
Inventors: 王炳地
Original assignee: Tapmai Suzhou Pharmaceutical Technology Co ltd
Current assignee: Tapmai Suzhou Pharmaceutical Technology Co ltd
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-04-25
Anticipated expiration: 2032-12-31

Abstract

The utility model discloses a three-way injector structure convenient to use, and relates to the technical field of injectors. When the three-way valve is used, the barrel body and the three-way pipe are fixedly connected, so that the operation is simple, and when liquid is extracted, the three-way pipe can be controlled by the three-way valve to realize mutual contact reaction injection of two medicines, so that the operation convenience and injection effect of medical staff are improved.

Description

Three-way injector structure convenient to use

Technical Field

The utility model relates to the technical field of syringes, in particular to a three-way syringe structure convenient to use.

Background

The injector is a common medical appliance, which 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 gas into areas which are inaccessible to other methods or extracting from the areas, wherein the liquid or gas is sucked from the small hole at the front end of the needle cylinder when the core rod is pulled out, the liquid or gas is extruded when the core rod is pushed in, and the process of extracting or injecting the gas or the liquid by using the injector and a needle is called injection.

Syringes are often associated with hypodermic needles for injecting or withdrawing liquids or gases from body tissue, and they may also be used in medical devices, containers, or scientific instruments such as in chromatography, for injection through rubber membranes, needleless syringes being commonly used for vaccine or insulin injection.

The current syringe is generally simple in structure, and when two medicines are required to be injected simultaneously, an independent three-way valve is required to be connected for use, so that the external three-way valve is inconvenient to use, the leak tightness is easy to drop, and great inconvenience is brought to the use of medical staff.

Disclosure of Invention

The utility model aims to provide a three-way injector structure convenient to use, which solves the problems that the existing injector provided in the background art is simpler in general structure, and when two medicines are required to be injected simultaneously, an independent three-way valve is required to be connected for use, the external three-way valve is inconvenient to use, the leak tightness is easy to be reduced, and great inconvenience is brought to the use of medical staff.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a use convenient tee bend syringe structure, includes the stack shell, the inner wall sliding connection of stack shell has the piston, the left side fixedly connected with piston shaft of piston, the left end fixedly connected with piston handle of piston shaft, the right side fixedly connected with three-way pipe of stack shell, the front surface of three-way pipe is provided with the three-way valve.

Preferably, an auxiliary ring is fixedly connected to the left side of the outer surface of the cylinder body, and an anti-slip pad is fixedly connected to the right side surface of the auxiliary ring.

Preferably, the front surface of the cylinder body is provided with scale marks.

Preferably, the right end of the three-way pipe is fixedly connected with a needle head connecting part.

Preferably, the lower end of the three-way pipe is fixedly connected with a connecting key.

Preferably, the barrel body is made of transparent medical PP material.

Preferably, the piston is made of rubber materials with good soft sealing performance.

The utility model has the technical effects and advantages that:

1. by arranging the barrel body, the piston shaft, the piston handle, the three-way pipe and the three-way valve, the utility model has simple operation because the barrel body and the three-way pipe are fixedly connected, can realize mutual contact reaction injection of two medicines by utilizing the three-way valve to control the three-way pipe when extracting liquid, and improves the operation convenience and injection effect of medical staff.

2. Through setting up the slipmat, can increase the frictional force between finger and the auxiliary ring when medical personnel carries out injection medicine to the patient, take place to slide when preventing to inject, increased the practicality and the security of syringe.

3. Through setting up syringe needle connecting portion, spread key, can be when the syringe uses, be connected with hypodermic needle through syringe needle connecting portion, be connected with another stack shell under the effect of spread key, improved syringe connection's stability and sealed effect, avoid the air to get into.

Drawings

Fig. 1 is a schematic overall perspective view of the present utility model.

Fig. 2 is a schematic elevational view of the present utility model.

Fig. 3 is a schematic cross-sectional elevation view of the present utility model.

Fig. 4 is a schematic view of a partial perspective structure of the present utility model.

In the figure: 1. a barrel body; 2. a piston; 3. a piston shaft; 4. a piston handle; 5. a three-way pipe; 6. a three-way valve; 7. an auxiliary ring; 8. an anti-slip pad; 9. scale marks; 10. a needle connecting part; 11. and a connection key.

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.

The utility model provides a three-way injector structure convenient to use, as shown in figures 1-4, which comprises a barrel body 1, wherein the inner wall of the barrel body 1 is slidably connected with a piston 2, the piston 2 is used for extracting and pushing liquid medicine, the piston has good sealing performance, the left side surface of the piston 2 is fixedly connected with a piston shaft 3, the left end of the piston shaft 3 is fixedly connected with a piston handle 4, the piston handle 4 plays a role in pressing or extracting, the right side surface of the barrel body 1 is fixedly connected with a three-way pipe 5, so that different liquid medicines are conveniently and sequentially injected, and the front surface of the three-way pipe 5 is provided with a three-way valve 6.

As shown in fig. 1 and 4, the front surface of the barrel 1 is provided with scale marks 9, the scale marks 9 can judge the liquid medicine capacity inside the barrel 1, the right end of the three-way pipe 5 is fixedly connected with a needle connecting part 10, and the lower end of the three-way pipe 5 is fixedly connected with a connecting key 11, so that the three-way pipe is convenient to be connected with the barrel 1 of the second injector.

As shown in fig. 3, an auxiliary ring 7 is fixedly connected to the left side of the outer surface of the barrel 1, an anti-slip pad 8 is fixedly connected to the right side surface of the auxiliary ring 7, the anti-slip pad 8 is made of rubber, the friction force is increased, the sliding prevention effect is achieved, the barrel 1 is made of transparent medical PP material, and the piston 2 is made of soft rubber with good sealing performance.

The working principle of the utility model is as follows: before the device is used, whether the piston of one syringe is changed or not can be observed by pressing the other syringe to check the air tightness of the device, the hypodermic needle is connected through the needle connecting part 10, then the hypodermic needle is inserted into a liquid medicine bottle to extract liquid medicine, and after the liquid medicine is extracted, the other syringe or a drainage bag is connected with the connecting key 11 after the liquid medicine is extracted;

after all connection, the piston handle 4 is pushed, the piston handle 4 drives the piston shaft 3 to move to the right side of the inner wall of the barrel body 1, the piston 2 is pushed to move to the right side, so that the liquid medicine in the barrel body 1 can be injected from a hypodermic needle to the corresponding position of a patient after passing through the three-way pipe 5, the connecting structure in the three-way pipe 5 is controlled by adjusting the three-way valve 6, then a syringe or a drainage bag is linked with the connecting key 11 at the lower side of the three-way pipe 5, when the syringe is replaced, the three-way valve 6 of the three-way pipe 5 is closed, and at this time, the injection medicine of the barrel body 1 can be injected from the other side hole, so that different liquid medicines can be in mutual contact reaction, and the injection effect is improved.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a use convenient tee bend syringe structure, includes stack shell (1), its characterized in that: the novel three-way valve is characterized in that a piston (2) is slidably connected to the inner wall of the cylinder body (1), a piston shaft (3) is fixedly connected to the left side surface of the piston (2), a piston handle (4) is fixedly connected to the left end of the piston shaft (3), a three-way pipe (5) is fixedly connected to the right side surface of the cylinder body (1), and a three-way valve (6) is arranged on the front surface of the three-way pipe (5).

2. A convenient three-way syringe structure according to claim 1, wherein: the left side fixedly connected with auxiliary ring (7) of stack shell (1) surface, the right side surface fixedly connected with slipmat (8) of auxiliary ring (7).

3. A convenient three-way syringe structure according to claim 1, wherein: the front surface of the cylinder body (1) is provided with scale marks (9).

4. A convenient three-way syringe structure according to claim 1, wherein: the right end of the three-way pipe (5) is fixedly connected with a needle head connecting part (10).

5. A convenient three-way syringe structure according to claim 1, wherein: the lower end of the three-way pipe (5) is fixedly connected with a connecting key (11).

6. A convenient three-way syringe structure according to claim 1, wherein: the cylinder body (1) is made of transparent medical PP material.

7. A convenient three-way syringe structure according to claim 1, wherein: the piston (2) is made of rubber materials with good soft sealing performance.