CN217908359U - Syringe for aspirating medicinal liquids - Google Patents
Syringe for aspirating medicinal liquids Download PDFInfo
- Publication number
- CN217908359U CN217908359U CN202123228210.0U CN202123228210U CN217908359U CN 217908359 U CN217908359 U CN 217908359U CN 202123228210 U CN202123228210 U CN 202123228210U CN 217908359 U CN217908359 U CN 217908359U
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- China
- Prior art keywords
- injection
- syringe
- injection needle
- needle
- push rod
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The injector comprises an injection needle cylinder, an injection push rod and an injection needle head, wherein a needle joint is formed at the front end of the injection needle cylinder, a piston is arranged in the injection needle cylinder, the front end of the injection push rod is fixedly connected with the piston in the injection needle cylinder, the rear end of the injection push rod extends backwards out of the injection needle cylinder, the rear end of the injection needle head is open and the front end of the injection needle head is closed, the rear end of the injection needle head is detachably inserted in the needle joint at the front end of the injection needle cylinder, a radial inwards-concave cambered surface-shaped pit is formed in the front pipe wall of the injection needle head, and a needle eye is formed in the middle of the pit. The utility model provides a syringe for suction liquid medicine.
Description
Technical Field
The utility model relates to a medical appliance technology, in particular to a technology of an injector for pumping liquid medicine.
Background
When a medical syringe sucks liquid medicine, an injection needle needs to penetrate through a rubber bottle stopper of a liquid medicine bottle, because the front end of the existing medical injection needle 41 is provided with a large inclined-slope needle hole 51 (as shown in fig. 4), in the process of puncturing the rubber bottle stopper, small-particle rubber on the rubber bottle stopper enters the needle hole 51 and is stripped from the rubber bottle stopper under the puncturing of the injection needle 41, after the needle hole 51 enters the liquid medicine bottle, the small-particle rubber falls out of the needle hole 51 and falls into the liquid medicine bottle, the small-particle rubber is easy to mix in the liquid medicine and is difficult to find, the small-particle rubber enters a human blood system to cause body allergic reaction, travels to each important organ to form embolism or thrombus, serious consequences are caused, and the use safety is poor.
SUMMERY OF THE UTILITY MODEL
To the defects existing in the prior art, the technical problem to be solved by the utility model is to provide a syringe for pumping liquid medicine with high safety in use.
In order to solve the technical problem, the utility model provides an injector for drawing liquid medicine, including syringe, injection push rod, syringe needle's front end is formed with the pin joint, is equipped with the piston in the syringe, and the front end of injection push rod and the piston rigid coupling in the syringe, the rear end of injection push rod stretches out the syringe, its characterized in that backward:
the back end of the injection needle is open and the front end is closed, the back end of the injection needle is detachably inserted into the needle joint at the front end of the injection syringe, the front pipe wall of the injection needle is provided with an arc-shaped concave pit which is inwards sunken in the radial direction, and the middle part of the concave pit is provided with a needle eye.
The utility model provides an injector for pumping liquid medicine sets up the pinhole in the cambered surface form pit on the syringe needle lateral wall, because the pit does not have sharp incision with the joint portion of syringe needle outer wall face, can avoid stinging the tiny particle rubber from the rubber bottle plug during puncture rubber bottle plug to sneak into the tiny particle rubber on the bottle plug in the liquid medicine also, had the characteristics that safety in utilization is good.
Drawings
Fig. 1 is a left top view of a syringe for drawing medical fluid according to an embodiment of the present invention;
fig. 2 is a left top view of an injection needle of a syringe for sucking medical fluid according to an embodiment of the present invention;
fig. 3 is a left side view of an injection needle of the syringe for sucking medical fluid according to the embodiment of the present invention;
fig. 4 is a schematic structural view of a conventional injection needle.
Detailed Description
The following description is provided for the embodiments of the present invention, but the present invention is not limited to the embodiments, and all the similar structures and similar variations of the present invention can be adopted to fall into the protection scope of the present invention.
As shown in fig. 1-3, the embodiment of the utility model provides an injector for pumping liquid medicine, including injection cylinder 1, injection push rod 2, syringe needle 4, the front end of injection cylinder 1 is formed with the adapter, is equipped with piston 3 in the injection cylinder 1, the front end of injection push rod 2 and the 3 rigid couplings of piston in the injection cylinder, and the rear end of injection push rod 2 stretches out injection cylinder, its characterized in that backward:
the rear end of the injection needle head 4 is open and the front end is closed, the rear end of the injection needle head 4 is detachably inserted into the needle joint at the front end of the injection needle cylinder 1, an arc-surface-shaped pit 5 which is recessed inwards in the radial direction is formed in the front pipe wall of the injection needle head 4, and a needle eye 6 is formed in the middle of the pit 5.
The embodiment of the utility model provides a be arranged in sucking the liquid medicine, when passing the rubber bottle plug of liquid medicine bottle with syringe needle 4, because pinhole 6 is arranged in cambered surface form pit 5, the junction of pit and syringe needle outer wall does not have sharp incision, can avoid stinging the tiny particle rubber from the rubber bottle plug to sneak into the tiny particle rubber on the bottle plug in the liquid medicine has also been avoided.
Claims (1)
1. The utility model provides an injector for aspirating liquid medicine, includes syringe, injection push rod, syringe needle's front end is formed with the needle head, is equipped with the piston in the syringe, the front end of injection push rod and the piston rigid coupling in the syringe, and the rear end of injection push rod stretches out syringe, its characterized in that backward:
the rear end of the injection needle is open and the front end is closed, the rear end of the injection needle is detachably inserted on the needle joint at the front end of the injection syringe, a radial inward-recessed arc-surface-shaped pit is formed on the front tube wall of the injection needle, and a needle eye is formed in the middle of the pit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123228210.0U CN217908359U (en) | 2021-12-21 | 2021-12-21 | Syringe for aspirating medicinal liquids |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123228210.0U CN217908359U (en) | 2021-12-21 | 2021-12-21 | Syringe for aspirating medicinal liquids |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217908359U true CN217908359U (en) | 2022-11-29 |
Family
ID=84146770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123228210.0U Active CN217908359U (en) | 2021-12-21 | 2021-12-21 | Syringe for aspirating medicinal liquids |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217908359U (en) |
-
2021
- 2021-12-21 CN CN202123228210.0U patent/CN217908359U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |