CN201658720U - Self-withdrawing disposable syringe - Google Patents
Self-withdrawing disposable syringe Download PDFInfo
- Publication number
- CN201658720U CN201658720U CN2010201236998U CN201020123699U CN201658720U CN 201658720 U CN201658720 U CN 201658720U CN 2010201236998 U CN2010201236998 U CN 2010201236998U CN 201020123699 U CN201020123699 U CN 201020123699U CN 201658720 U CN201658720 U CN 201658720U
- Authority
- CN
- China
- Prior art keywords
- needle
- injection
- needle tubing
- draw
- disposable 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-withdrawing disposable syringe; an injection pole (2) is arranged in an injection medicine tube (1); a sleeve (3) is arranged at a medicine feed opening of the injection medicine tube (1); a needle tube (4) is arranged in the sleeve (3); an injection needle (5) is arranged on the needle tube (4); a sealing ring (6) is sleeved on the needle tube (4); a needle pulling rod (7) is fixed on the top end of the injection pole (2), and is provided with a needle pulling threshold (7-1); a circular groove (4-1) which corresponds to the needle pulling threshold (7-1) on the needle pulling rod (7) is arranged in the needle tube (4); and a protective rod (8) is fixed on the injection pole (2). The utility model has the advantages that the self-withdrawing disposable syringe cannot be reused after the first time of use, and can effectively prevent illegal manufacturers from recycling and reusing the syringe.
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 is by injecting cartridge case, injection rod, sleeve pipe, needle tubing, entry needle, sealing ring, drawing shank and guard bar to form; injection rod is installed in the injection cartridge case; sleeve pipe is installed in the feeding opening place of injection cartridge case; needle tubing is installed in the sleeve pipe, and entry needle is installed on the needle tubing, and sealing ring is enclosed within on the needle tubing; draw shank to be fixed on the injection rod top; which is provided with and draw the pin bank, in needle tubing, be provided with draw shank on draw the corresponding cannelure of pin bank, guard bar is fixed on the injection rod.
The utility model has the advantages that: after being used to complete first, the pin bank that draws that draws shank to be provided with is embedded in the cannelure that is provided with in the needle tubing, makes and draws shank and needle tubing to connect together, when pulling back injection rod, drive draws shank that needle tubing and entry needle are drawn in the injection cartridge case, 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; this utility model is by injection cartridge case 1; injection rod 2; sleeve pipe 3; needle tubing 4; entry needle 5; sealing ring 6; draw shank 7 and guard bar 8 to form; injection rod 2 is installed in the injection cartridge case 1; sleeve pipe 3 is installed in the feeding opening place of injection cartridge case 1; needle tubing 4 is installed in the sleeve pipe 3; entry needle 5 is installed on the needle tubing 4; sealing ring 6 is enclosed within on the needle tubing 4; the sealing shroud that draws shank 7 to pass injection rod is fixed on injection rod 2 tops; which is provided with and draw pin bank 7-1; in needle tubing 4, be provided with draw shank 7 on draw the corresponding cannelure 4-1 of pin bank 7-1, guard bar 8 is fixed on the injection rod 2.
Operation principle: during use; fractureing 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 was intact, injection rod had been pushed into the limit, and the pin bank that draws that draw shank to be provided with this moment is embedded in the cannelure that is provided with in the needle tubing; make and draw shank and needle tubing to connect together; when pulling back injection rod, drive and draw shank that needle tubing and entry needle are moved in the injection cartridge case, this syringe can not be reused.Can effectively avoid illegal manufacturer to reclaim reuses.
Claims (1)
1. from withdraw of the needle formula disposable syringe; it is characterized in that it is by injection cartridge case (1); injection rod (2); sleeve pipe (3); needle tubing (4); entry needle (5); sealing ring (6); draw shank (7) and guard bar (8) to form; injection rod (2) is installed in the injection cartridge case (1); sleeve pipe (3) is installed in the feeding opening place of injection cartridge case (1); needle tubing (4) is installed in the sleeve pipe (3); entry needle (5) is installed on the needle tubing (4); sealing ring (6) is enclosed within on the needle tubing (4); draw shank (7) to be fixed on injection rod (2) top; which is provided with and draw pin bank (7-1); in needle tubing (4), be provided with draw shank (7) on draw the corresponding cannelure of pin bank (7-1) (4-1), guard bar (8) is fixed on the injection rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201236998U CN201658720U (en) | 2010-02-12 | 2010-02-12 | Self-withdrawing disposable syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201236998U CN201658720U (en) | 2010-02-12 | 2010-02-12 | Self-withdrawing disposable syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201658720U true CN201658720U (en) | 2010-12-01 |
Family
ID=43229128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201236998U Expired - Fee Related CN201658720U (en) | 2010-02-12 | 2010-02-12 | Self-withdrawing disposable syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201658720U (en) |
-
2010
- 2010-02-12 CN CN2010201236998U patent/CN201658720U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101201 Termination date: 20160212 |