CN202982803U - Filter empty needle - Google Patents
Filter empty needle Download PDFInfo
- Publication number
- CN202982803U CN202982803U CN 201220698049 CN201220698049U CN202982803U CN 202982803 U CN202982803 U CN 202982803U CN 201220698049 CN201220698049 CN 201220698049 CN 201220698049 U CN201220698049 U CN 201220698049U CN 202982803 U CN202982803 U CN 202982803U
- Authority
- CN
- China
- Prior art keywords
- empty needle
- drainage screen
- piston cylinder
- piston
- utility
- Prior art date
- 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.)
- Expired - Fee Related
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Abstract
A filter empty needle structurally comprises a piston barrel, a piston and a filter screen, wherein the filter screen is arranged at the front end in the piston barrel. The empty needle has the benefits that foreign matters can be prevented from entering the empty needle and a human body.
Description
Technical field
This utility model relates to a kind of empty needle, relates in particular to a kind of filtration empty needle.
Background technology
Traditional empty needle does not have drainage screen, and the shortcoming of this empty needle is to stop the foreign body in medicinal liquid to enter empty needle, also can't stop the foreign body in medicinal liquid to enter in human body.
Summary of the invention
For above problem, technical problem to be solved in the utility model is to provide a kind of filtration empty needle, and it is practical, and cost is low.
In order to solve above technical problem, the technical solution of the utility model is as follows:
A kind of filtration empty needle, its structure comprises piston cylinder, piston and drainage screen, and described drainage screen is located in described piston cylinder, and described drainage screen is located at the front end in described piston cylinder.
The beneficial effects of the utility model are: can prevent that foreign body from entering in empty needle and human body.
Description of drawings
Fig. 1 is that the central shaft of this utility model embodiment is to cutaway view.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
As shown in Figure 1, its structure of this utility model comprises piston cylinder 1, piston 2 and drainage screen 3, and drainage screen 3 is located in piston cylinder 1, and drainage screen 3 is located at the front end of piston cylinder interior 1.
This utility model is to stop like this foreign body to enter in empty needle: be drawn in empty needle because medicinal liquid is front end from piston cylinder, the place of pressing close to the medicinal liquid entrance due to the front end in piston cylinder is provided with drainage screen, can't enter outward so foreign body just is stopped in empty needle.
Claims (1)
1. one kind is filtered empty needle, it is characterized in that: its structure of described empty needle comprises piston cylinder (1), piston (2) and drainage screen (3), described drainage screen (3) is located in described piston cylinder (1), and described drainage screen (3) is located at the front end in described piston cylinder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220698049 CN202982803U (en) | 2012-12-17 | 2012-12-17 | Filter empty needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220698049 CN202982803U (en) | 2012-12-17 | 2012-12-17 | Filter empty needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202982803U true CN202982803U (en) | 2013-06-12 |
Family
ID=48554037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220698049 Expired - Fee Related CN202982803U (en) | 2012-12-17 | 2012-12-17 | Filter empty needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202982803U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109364333A (en) * | 2018-09-21 | 2019-02-22 | 徐州蓝湖信息科技有限公司 | Syringe |
-
2012
- 2012-12-17 CN CN 201220698049 patent/CN202982803U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109364333A (en) * | 2018-09-21 | 2019-02-22 | 徐州蓝湖信息科技有限公司 | Syringe |
| CN109364333B (en) * | 2018-09-21 | 2023-10-03 | 徐州蓝湖信息科技有限公司 | Injection syringe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20131217 |