CN201759950U - Self-locking type disposable syringe - Google Patents
Self-locking type disposable syringe Download PDFInfo
- Publication number
- CN201759950U CN201759950U CN2010205077933U CN201020507793U CN201759950U CN 201759950 U CN201759950 U CN 201759950U CN 2010205077933 U CN2010205077933 U CN 2010205077933U CN 201020507793 U CN201020507793 U CN 201020507793U CN 201759950 U CN201759950 U CN 201759950U
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- CN
- China
- Prior art keywords
- self
- injection
- injection rod
- spring
- syringe
- 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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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to a self-locking type disposable syringe which comprises a syringe, wherein the syringe mainly comprises an injection medicine cylinder (1) and an injection rod (2). The self-locking type disposable syringe also comprises a self-locking device, wherein the self-locking device comprises a spring (3) and a steel ball (4), the inner wall of the injection medicine cylinder (1) is provided with an annular groove (1-1), a spring hole is arranged on the injection rod (2), and the spring (3) and the steel ball (4) are installed in the spring hole of the injection rod (2). The utility model has the advantage that: after the self-locking type disposable syringe is firstly used, the injection rod can be automatically locked in the injection medicine cylinder without being used again, which can effectively avoid being recovered and used by an illegal manufacturer.
Description
Technical field
This utility model relates to medical instruments field.Relate in particular to disposable syringe.
Background technology
ExistingDisposable syringe is owing to lack automatic breaking plant, after using, still, after some illegal manufacturers reclaim simple process with used disposable syringe, pretend to be qualified products to be sold to medical institutions and reuse, the people's health and medical safety in serious threat.
The utility model content
The purpose of this utility model is exactly at existing
ExistingThe deficiency that disposable syringe is above-mentioned, and a kind of self-locking disposable injector is provided.
This utility model comprises syringe, and syringe mainly is made up of injection cartridge case and injection rod, it is characterized in that it also has self-locking device, and self-locking device is made up of spring and steel strain; Be provided with cannelure on the inwall of injection cartridge case, be provided with spring eye on injection rod, spring and steel strain are placed in the spring eye of injection rod.
It also has guard bar, and guard bar links to each other with the pushing termination of injection rod.
The utility model has the advantages that: after being used to complete first, injection rod is locked in the injection cartridge case automatically, can not reuse.Can effectively avoid illegal manufacturer to reclaim reuses.
Description of drawings
Accompanying drawing 1 is this utility model structural representation.
The specific embodiment
As shown in Figure 1, self-locking disposable injector comprises syringe, and syringe mainly is made up of injection cartridge case 1 and injection rod 2, and it also has self-locking device, and self-locking device is made up of spring 3 and steel strain 4; On the inwall of injection cartridge case 1, be provided with cannelure 1-1, on injection rod 2, be provided with spring eye,
Operation principle: during use, fracture earlier(guard bar does not fracture guard bar; the medicinal liquid of injection cartridge case can not have been injected); after the injecting liquid drug of injection cartridge case is intact; injection rod has been pushed into the limit; steel strain this moment is under the effect of spring, and the more than half portion of steel strain snaps in the cannelure, make injection rod can not be in the injection cartridge case upper and lower moving; reach and injection rod is locked in the injection cartridge case purpose that can not reuse.
Claims (1)
1. self-locking disposable injector comprises syringe, and syringe mainly is made up of injection cartridge case (1) and injection rod (2), it is characterized in that it also has self-locking device, and self-locking device is made up of spring (3) and steel strain (4); Be provided with cannelure (1-1) on the inwall of injection cartridge case (1), be provided with spring eye on injection rod (2), spring (3) and steel strain (4) are placed in the spring eye of injection rod (2).
2, self-locking disposable injector according to claim 1 is characterized in that it also has guard bar (5), and guard bar (5) links to each other with the pushing termination of injection rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205077933U CN201759950U (en) | 2010-08-27 | 2010-08-27 | Self-locking type disposable syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205077933U CN201759950U (en) | 2010-08-27 | 2010-08-27 | Self-locking type disposable syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201759950U true CN201759950U (en) | 2011-03-16 |
Family
ID=43712544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205077933U Expired - Fee Related CN201759950U (en) | 2010-08-27 | 2010-08-27 | Self-locking type disposable syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201759950U (en) |
-
2010
- 2010-08-27 CN CN2010205077933U patent/CN201759950U/en not_active Expired - Fee Related
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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: 20110316 Termination date: 20110827 |