CN201658721U - Self-locking type disposable injector - Google Patents
Self-locking type disposable injector Download PDFInfo
- Publication number
- CN201658721U CN201658721U CN2010201237007U CN201020123700U CN201658721U CN 201658721 U CN201658721 U CN 201658721U CN 2010201237007 U CN2010201237007 U CN 2010201237007U CN 201020123700 U CN201020123700 U CN 201020123700U CN 201658721 U CN201658721 U CN 201658721U
- Authority
- CN
- China
- Prior art keywords
- injection
- core rod
- annular groove
- injection core
- self
- 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 injector, which comprises an injection medicine tube and an injection core rod, wherein the injection core rod is sheathed in the injection medicine tube, an annular groove is arranged on the injection core rod, and a barb is arranged on the injection medicine tube. The utility model has the advantages that when the injection core rod used in the first time is pushed to the bottom of the injection medicine tube, the barb arranged on the injection medicine tube is positioned in the annular groove of the injection core rod, and is clamped in the annular groove, and the injection core rod can not be backwards retracted form the inside the injection medicine tube, so the self-locking type disposable injector can not be used again. The utility model can be effectively avoids the recovery and the reuse by iniquitous manufacturers.
Description
Technical field
This utility model relates to medical instruments field.Relate in particular to disposable syringe.
Background technology
Existing disposable syringe, also can be reused by the recovery of illegal manufacturer after using owing to lack automatic breaking plant, jeopardizes patient body health.
The utility model content
The purpose of this utility model is exactly at the existing above-mentioned deficiency of existing disposable syringe, and provides a kind of from withdraw of the needle formula disposable syringe.
This utility model comprises injection cartridge case and injection core rod, and injection core rod is enclosed within the injection cartridge case; It is characterized in that on injection core rod, being positioned at and push away pommel and be provided with annular groove, on the injection cartridge case, be provided with agnail, or on injection core rod, be provided with agnail, on the injection cartridge case, be provided with annular groove.When injection core rod was pushed into the injection drug tube bottom, agnail was positioned at annular groove.
The utility model has the advantages that: when using injection core rod to be pushed into the injection drug tube bottom first, the agnail that the injection cartridge case is provided with is positioned at the annular groove of injection core rod, agnail is stuck in the annular groove, and injection core rod can not retreat in the injection cartridge case, thereby can not reuse.Can effectively avoid illegal manufacturer to reclaim reuses.
Description of drawings
Accompanying drawing 1 is provided with the circular groove structure sketch map for this utility model injection core rod.
Accompanying drawing 2 is provided with the circular groove structure sketch map for this utility model injection cartridge case.
The specific embodiment
This utility model comprises injection cartridge case 1 and injection core rod 2, and injection core rod 2 is enclosed within the injection cartridge case 1; On injection core rod 2, be provided with annular groove 3, on injection cartridge case 1, be provided with agnail 4, see Fig. 1.Or on injection core rod 2, be provided with agnail 4, and on injection cartridge case 1, be provided with annular groove 3, see Fig. 2.When using injection core rod to be pushed into the injection drug tube bottom first, agnail is positioned at annular groove, and agnail is stuck in the annular groove, and injection core rod can not be retreated in the injection cartridge case.
Claims (1)
1. self-locking disposable injector comprises injection cartridge case and injection core rod, and injection core rod is enclosed within the injection cartridge case; It is characterized in that on injection core rod, being provided with annular groove, on the injection cartridge case, be provided with agnail, or on injection core rod, be provided with agnail, on the injection cartridge case, be provided with annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201237007U CN201658721U (en) | 2010-02-12 | 2010-02-12 | Self-locking type disposable injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201237007U CN201658721U (en) | 2010-02-12 | 2010-02-12 | Self-locking type disposable injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201658721U true CN201658721U (en) | 2010-12-01 |
Family
ID=43229129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201237007U Expired - Fee Related CN201658721U (en) | 2010-02-12 | 2010-02-12 | Self-locking type disposable injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201658721U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102335469A (en) * | 2011-07-09 | 2012-02-01 | 李林风 | Catheter flusher for priming solution |
-
2010
- 2010-02-12 CN CN2010201237007U patent/CN201658721U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102335469A (en) * | 2011-07-09 | 2012-02-01 | 李林风 | Catheter flusher for priming solution |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101201 Termination date: 20160212 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |