CN2824966Y - Disposable pollution-proof syringe - Google Patents
Disposable pollution-proof syringe Download PDFInfo
- Publication number
- CN2824966Y CN2824966Y CN 200520128933 CN200520128933U CN2824966Y CN 2824966 Y CN2824966 Y CN 2824966Y CN 200520128933 CN200520128933 CN 200520128933 CN 200520128933 U CN200520128933 U CN 200520128933U CN 2824966 Y CN2824966 Y CN 2824966Y
- Authority
- CN
- China
- Prior art keywords
- syringe
- piston
- rubber sleeve
- needle cylinder
- pollution
- 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
The utility model discloses a disposable pollution-proof syringe which comprises a needle cylinder, a piston and a piston rod, wherein a rubber sleeve with telescopic elasticity is arranged at the inner part of the needle cylinder, the front end of a rubber sleeve is fixed on the back end face of the piston, the back end of the rubber sleeve is fixed on the back end face of the needle cylinder and a back end opening of the needle cylinder is provided with an end plug which is provided with an air hole. Because the disposable pollution-proof syringe uses the structure, the piston and the inner wall of the needle cylinder are effectively isolated from the outside world and the pollution of physic liquor is prevented. The utility model has the advantages of simple structure and convenient and sanitary use.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, particularly a kind of can antipollution syringe.
Background technology
At present; the syringe of Ying Yonging clinically; piston and cartridge inwall all are under the unprotect state; directly be exposed in the air in the use; when the pull piston adds medicinal liquid repeatedly; do not note slightly, will cause air, hands or other to have fungus matter to contact with the cartridge inwall and cause liquid medicine contamination with piston.
Summary of the invention
There is easy pollution problems in the purpose of this utility model at existing disposable syringe exactly, and a kind of simple in structure, the antipollution syringe of design.
The purpose of this utility model is to realize like this, this syringe comprises syringe, piston, piston rod, the rubber sleeve with telescopic resilience is installed in inside at described syringe, the front end of rubber sleeve is fixed on the rear end face of piston, the rear end is fixed on the rear end face of syringe, the rear port of syringe is installed end plug, and end plug is provided with pore.
Because adopt said structure, this disposable anti-pollution injector can effectively make piston and syringe inwall be isolated from the outside, and has prevented the pollution to medicinal liquid, and simple in structure, use hygienic and convenient.
Description of drawings
Describe embodiment of the present utility model in detail below in conjunction with accompanying drawing
Fig. 1 is a structural representation of the present utility model
Among the figure: 1, piston rod 2, end plug 3, pore 4, syringe 5, rubber sleeve 6, piston
Embodiment
As shown in Figure 1, this syringe comprises syringe 4, piston 2, piston rod 1, the rubber sleeve 5 with telescopic resilience is installed in inside at described syringe 4, the front end of rubber sleeve 5 is fixed on the rear end face of piston 6, the rear end is fixed on the rear end face of syringe 4, the rear port of syringe 4 is installed end plug 2, and end plug 2 is provided with pore 3.During pull piston 6, rubber sleeve 5 can fold compression, and the air of syringe 4 can be discharged from pore 3, because rubber sleeve 5 is isolated from the outside piston 6 and syringe 4 inwalls, has prevented the pollution of medicinal liquid.
Claims (1)
1, a kind of disposable anti-pollution injector, this syringe comprises syringe, piston, piston rod, the rubber sleeve with telescopic resilience is installed in the inside that it is characterized in that described syringe, the front end of rubber sleeve is fixed on the rear end face of piston, the rear end is fixed on the rear end face of syringe, the rear port of syringe is installed end plug, and end plug is provided with pore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520128933 CN2824966Y (en) | 2005-10-23 | 2005-10-23 | Disposable pollution-proof syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520128933 CN2824966Y (en) | 2005-10-23 | 2005-10-23 | Disposable pollution-proof syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2824966Y true CN2824966Y (en) | 2006-10-11 |
Family
ID=37065149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520128933 Expired - Fee Related CN2824966Y (en) | 2005-10-23 | 2005-10-23 | Disposable pollution-proof syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2824966Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2522656A (en) * | 2014-01-31 | 2015-08-05 | Consort Medical Plc | Improved syringe for autoinjector device |
-
2005
- 2005-10-23 CN CN 200520128933 patent/CN2824966Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2522656A (en) * | 2014-01-31 | 2015-08-05 | Consort Medical Plc | Improved syringe for autoinjector device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |