CN2741587Y - Disposable safety destroying type syringe - Google Patents
Disposable safety destroying type syringe Download PDFInfo
- Publication number
- CN2741587Y CN2741587Y CN 200420108803 CN200420108803U CN2741587Y CN 2741587 Y CN2741587 Y CN 2741587Y CN 200420108803 CN200420108803 CN 200420108803 CN 200420108803 U CN200420108803 U CN 200420108803U CN 2741587 Y CN2741587 Y CN 2741587Y
- Authority
- CN
- China
- Prior art keywords
- needle
- core bar
- overcoat
- head
- needle stand
- 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 the technical field of syringe, in particular to a disposable safety destroying type syringe which is characterized in that a core rod is positioned in the outer sleeve, and a piston which is positioned at the top of the core rod and of which the aquiline clips are positioned at the head, is fixedly connected with the core rod; a cylindrical head with a cylindrical hole and a protective sleeve is integrated with the outer sleeve and positioned at the head of the outer sleeve; the cylindrical hole is provided with an injection needle and an arc cam ring; the injection needle is composed of a needle seat and a needle tube that the needle seat and the needle tube are adhesively jointed, and the bottom the needle seat is provided with a turned edge with an inclined plane; the arc cam ring is tightly sealed with the needle seat. After injection, the injection needle of the disposable safety destroying type syringe of the utility model can be drawn back into the outer sleeve and the needle point leans to the internal wall of the outer sleeve that the needle can not be pushed out again so as to avoid injuring person, and the core rod can be broke off. The utility model has the advantages of simple making, stable quality and low cost.
Description
Technical field
This utility model relates to the injector technology field, especially a kind of suction or the disposable hand gun of injection immediately after injecting liquid.
Background technology
For avoiding cross infection, suction or after injecting liquid immediately the hand gun of injection now generally adopt disposable syringe.But the disposable syringe needle point that uses can be released again after being exposed to outer or needle tip retracts at present, and the medical worker has carelessness slightly, is just very easily stabbed by needle point and is infected.
Summary of the invention
In order to overcome the deficiency of existing disposable syringe, the purpose of this utility model can be moved the injection pinhock in the syringe jacket to after providing a kind of injection end, and make needle point deflection outer casing inner wall on one side, make the entry needle of contact human body stay and ruin in syringe jacket, and can not injure other people type syringe of ruining disposable safe in utilization.
The technical scheme that its technical problem that solves this utility model adopts is: a kind of disposable type syringe of ruining safe in utilization; has overcoat; be provided with core bar in the overcoat; the core bar top is provided with piston; core bar is fixedlyed connected with piston; the overcoat head has the socket cap with the overcoat one; cylindrical hole is arranged in the socket cap; be provided with entry needle in the cylindrical hole; socket cap is with protective sleeve outward; entry needle is made up of needle stand and needle tubing; needle stand is provided with through hole; a needle tubing part is arranged in the through hole; needle tubing and needle stand are bonding; be provided with the arc-shaped cam circle in the cylindrical hole, needle stand and arc-shaped cam circle fit sealing, and entry needle does not bounce back when making injection; can separate when retracting entry needle; the core bar head is provided with intermediate plate with hook, and the needle stand bottom is provided with the inclined-plane crimping, has injected medicinal liquid; continuation pushes away before with core bar; the intermediate plate with hook of core bar head hooks the inclined-plane crimping of needle stand bottom, and the core bar of pulling back can retract entry needle in the overcoat; and make needle point be partial to outer casing inner wall; the entry needle that retracts in the overcoat can not be released again, and needle stand is provided with steam vent, but deaeration behind the drawing liquid.
For reducing overcoat inner liquid medicine residual quantity, described piston crown is provided with the circular ring type groove.
For preventing that disposable syringe is repeated to use, can ruin type after the use, can locate the core bar that fractures, described jacket bottom inwall is provided with protruding neck, and the front portion of core bar is provided with rib groove and non-return circle.
The beneficial effects of the utility model are, of the present utility model disposable safe in utilization ruin the type injector to inject after, the entry needle of contact human body can be retracted in the syringe jacket, and makes needle point deflection outer casing inner wall, retract in the syringe jacket after, entry needle can not be released once more, can not hurt sb.'s feelings, broken core bar is ruined type after the disposable use, and processing technology is simple, steady quality, production cost is low.
Description of drawings
Below in conjunction with drawings and Examples this utility model is further specified.
Fig. 1 is a disposable structural representation of ruining the type syringe safe in utilization of the present utility model.
Fig. 2 is that entry needle of the present utility model retracts the view in the overcoat.
Fig. 3 is that the disposable type syringe of ruining safe in utilization of the present utility model is ruined the type view.
Fig. 4 is the structural representation of the overcoat in this utility model.
Fig. 5 is the structural representation of the core bar in this utility model.
Fig. 6 is the structure of piston sketch map in this utility model.
Fig. 7 is the structural representation of the entry needle in this utility model.
1. overcoats among the figure, 11. socket caps, 12. cylindrical holes; 13. the arc-shaped cam circle, 14. protruding neck, 2. core bars; 21. intermediate plate with hook, 22. rib grooves, 23. non-return circles; 3. piston, 31. circular ring type groove, 4. entry needles; 41. needle stand, 411. through holes, 412. inclined-plane crimpings; 413. steam vent, 42. needle tubings, 5. protective sleeve.
The specific embodiment
As Fig. 1; 2; 3; 4; 5; 6; the type syringe of ruining of the present utility model disposable safe in utilization shown in 7; has overcoat 1; be provided with core bar 2 in the overcoat 1; core bar 2 tops are provided with piston 3; core bar 2 is fixedlyed connected with piston 3; overcoat 1 head has the socket cap 11 with overcoat 1 one; cylindrical hole 12 is arranged in the socket cap 11; be provided with entry needle 4 in the cylindrical hole 12, be with protective sleeve 5 outside the socket cap 11, entry needle 4 is made up of needle stand 41 and needle tubing 42; be provided with through hole 411 in the needle stand 41; needle tubing 42 parts are arranged in the through hole 411, and needle tubing 41 is bonding with needle stand 42, is provided with arc-shaped cam circle 13 in the cylindrical hole 12; needle stand 41 fits sealing with arc-shaped cam circle 13; core bar 2 heads are provided with intermediate plate 21 with hook, and needle stand 41 bottoms are provided with inclined-plane crimping 412, and needle stand 41 is provided with steam vent 413.Piston 3 heads are provided with circular ring type groove 31.Overcoat 1 bottom interior wall is provided with protruding neck 14, and the front portion of core bar 2 is provided with rib groove 22 and non-return circle 23.
During installation, earlier needle stand 41 is pressed fit in the cylindrical hole 12 of overcoat 1, make the outer wall of needle stand 41 fit sealing with the arc-shaped cam circle 13 in the cylindrical hole 12, make it have the transient drag of instructions for use, entry needle does not bounce back during injection, when having injected post-tensioning and return entry needle, can separate when giving suitable separating force; Bonding with carrying out in the needle tubing 42 insertion needle stands 41 then; Then piston 3 is loaded onto core bar 2, again core bar 2 is put in the overcoats 1, can not make the banded intermediate plate of buckle be hooked to inclined-plane crimping 412 on the needle stand 41 during threading, outside the socket cap 11 of overcoat 1, put protective sleeve 5 at last.
During use; take out the disposable type syringe of ruining safe in utilization of the present utility model; remove protective sleeve 5; before drawing medicinal liquid and when drawing medicinal liquid; core bar 2 is not shifted onto overcoat 1 top; meeting obstructions with feel promptly stops, and does not make core bar 2 vertical intermediate plates 21 with hook be hooked to the inclined-plane crimping 412 of needle stand 41.Carry out injection process, piston 16 is shifted onto the overcoat top, just injected medicinal liquid, made on inclined-plane crimping 412 engage hook of core bar 2 vertical intermediate plates 21 with hook and needle stand 41, after entry needle 4 is extracted skins out, the syringe core rod 2 of should pulling back, make in the entry needle 4 indentation overcoats, when core bar 2 is pulled to forward non-return circle 23 and snaps into protruding neck 14, at rib groove 22 places of core bar 2, the core bar 2 that fractures, and it is lost into the medical waste collecting box.
Claims (3)
1. disposable type syringe of ruining safe in utilization; has overcoat (1); be provided with core bar (2) in the overcoat (1); core bar (2) top is provided with piston (3); core bar (2) is fixedlyed connected with piston (3); overcoat (1) head has the socket cap (11) with overcoat (1) one; cylindrical hole (12) is arranged in the socket cap (11); be provided with entry needle (4) in the cylindrical hole (12); the outer protective sleeve (5) that is with of socket cap (11); entry needle (4) is made up of needle stand (41) and needle tubing (42); be provided with through hole (411) in the needle stand (41); needle tubing (a 42) part is arranged in the through hole (411), and needle tubing (41) is bonding with needle stand (42), it is characterized in that: be provided with arc-shaped cam circle (13) in the described cylindrical hole (12); needle stand (41) fits sealing with arc-shaped cam circle (13); core bar (2) head is provided with intermediate plate with hook (21), and needle stand (41) bottom is provided with inclined-plane crimping (412), and needle stand (41) is provided with steam vent (413).
2. the disposable type syringe of ruining safe in utilization according to claim 1, it is characterized in that: described piston (3) head is provided with circular ring type groove (31).
3. the disposable type syringe of ruining safe in utilization according to claim 1, it is characterized in that: described overcoat (1) bottom interior wall is provided with protruding neck (14), and the front portion of core bar (2) is provided with rib groove (22) and non-return circle (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420108803 CN2741587Y (en) | 2004-11-13 | 2004-11-13 | Disposable safety destroying type syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420108803 CN2741587Y (en) | 2004-11-13 | 2004-11-13 | Disposable safety destroying type syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2741587Y true CN2741587Y (en) | 2005-11-23 |
Family
ID=35477062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420108803 Expired - Fee Related CN2741587Y (en) | 2004-11-13 | 2004-11-13 | Disposable safety destroying type syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2741587Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101940808A (en) * | 2010-08-12 | 2011-01-12 | 骆忠林 | Disposable all-plastic self-destruction syringe |
| CN101850141B (en) * | 2009-04-01 | 2013-06-12 | 江苏亿乐医疗用品有限公司 | Safe injector |
| CN108815639A (en) * | 2018-05-08 | 2018-11-16 | 河南兴恒医疗用品有限公司 | Disposible safety syringe |
-
2004
- 2004-11-13 CN CN 200420108803 patent/CN2741587Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101850141B (en) * | 2009-04-01 | 2013-06-12 | 江苏亿乐医疗用品有限公司 | Safe injector |
| CN101940808A (en) * | 2010-08-12 | 2011-01-12 | 骆忠林 | Disposable all-plastic self-destruction syringe |
| CN101940808B (en) * | 2010-08-12 | 2013-01-09 | 骆忠林 | Disposable all-plastic self-destruction syringe |
| CN108815639A (en) * | 2018-05-08 | 2018-11-16 | 河南兴恒医疗用品有限公司 | Disposible safety syringe |
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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 |