CN2207833Y - Needle and injection integrated syringe - Google Patents
Needle and injection integrated syringe Download PDFInfo
- Publication number
- CN2207833Y CN2207833Y CN 94239950 CN94239950U CN2207833Y CN 2207833 Y CN2207833 Y CN 2207833Y CN 94239950 CN94239950 CN 94239950 CN 94239950 U CN94239950 U CN 94239950U CN 2207833 Y CN2207833 Y CN 2207833Y
- Authority
- CN
- China
- Prior art keywords
- needle
- ejector sleeve
- tube
- syringe
- fenestra
- 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 provides a needle and injection integrated syringe. The traditional syringe has the disadvantages of easy contamination and trouble use while in use. The utility model comprises a needle head, a needle tube and a push tube. The push tube comprises a front push tube and a back push tube. The outer diameter of the front push tube is smaller than the internal diameter of the needle tube, and the front end of is provided with a film-hole. The top of the film-hole is provided with a thin film. The back push tube is a double tube with an outer tube and an inner tube. The front push tube is inserted between the inner tube and the outer tube of the back push tube, and is fitted with the tubes hermetically. The inner of the back push tube is axially extended with a crown rod with a spiky at the front end which can puncture the thin film of the from push tube. The medicinal powder and the solution for injection are respectively filled in the needle tube and the front push tube.
Description
This utility model relates to a kind of have an injection syringe of usefulness of patient that is, particularly a kind of medicated powder and solution of collecting is in pipe, and can save inject time and can alleviate medical worker's labor intensity again, and can avoid syringe needle to be exposed to the integral injector with needle and liquid medicine in the external world when extracting solution again with medicated powder.
At present the syringe that generally uses of hospital needs to open the solution bottle earlier by the medical worker before be patient injection, and solution is drawn in the needle tubing, opens powdered medicine bottle again, syringe needle is thrust penetrate solution in the powdered medicine bottle and mix with medicated powder, and then it is interior to patient injection to be drawn into needle tubing.There is such shortcoming in this common syringe: because of syringe needle in extracting solution and medicated powder process repeatedly exposes to the open air in the external world, be vulnerable to pollute, when sometimes syringe needle being thrust the medicated powder bottle stopper, because the effect of the rubber plug cover elasticity tension of bottle stopper, syringe needle can be trapped on the rubber plug cover, syringe needle and needle tubing are separated, can't normally use.
Task of the present utility model is the problem that exists at above-mentioned ordinary syringe, provides a kind of medicated powder and solution are loaded in the needle tubing together, with the integral injector with needle and liquid medicine of avoiding syringe needle to pollute.
Integral injector with needle and liquid medicine of the present utility model comprises syringe needle, needle tubing and ejector sleeve, it is characterized in that, ejector sleeve and back ejector sleeve before described ejector sleeve comprises, the external diameter of ejector sleeve is slightly less than described needle tubing internal diameter before described, and its front end has a fenestra, and described fenestra is provided with thin film; Described back ejector sleeve is the bimetallic tube of outer tube and interior pipe, and described preceding ejector sleeve inserts between the interior pipe and outer tube of described back ejector sleeve, and is sealed and matched; Described pusher inner axial tube extend a front end have tip, can point broken described before the push rod of ejector sleeve upper film; Injecting used medicated powder and solution is contained in respectively in described needle tubing and the described preceding ejector sleeve.
From said structure as can be seen, because medicated powder and solution are contained in the syringe the sixth of the twelve Earthly Branches before syringe dispatches from the factory, therefore, before injection, need not with easily work of contaminated pinhead such as syringe extract, mixes and extracts, both alleviate labor intensity, avoided the pollution of syringe needle again.
Fig. 1 is a kind of structural representation of the present utility model.
As shown in Figure 1, this utility model is similar to traditional syringe, also comprises: needle tubing 12, ejector sleeve 22 and syringe needle 1.Syringe needle 1 is connected on the front end of needle tubing 12, and ejector sleeve 22 inserts in the needle tubing 12.
The difference of this utility model syringe and conventional syringe is that ejector sleeve 22 is made up of two parts: preceding ejector sleeve 10 and back ejector sleeve 14, the external diameter of preceding ejector sleeve 10 can insert in the needle tubing 12 less than the internal diameter of needle tubing 12.The front end of pro-ejector sleeve 10 is provided with rubber top plug 9, and rubber top plug 9 fits tightly with needle tubing 12 inwalls.On rubber top plug 9, have a fenestra 6, post a thin film 7 on the fenestra 6.Back ejector sleeve 14 is double-decker, it is made of interior pipe 15A and outer tube 15B, in gap between pipe 15A and the outer tube 15B match with the pipe thickness of preceding ejector sleeve 10, after current ejector sleeve 10 inserts between the interior pipe 15A of back ejector sleeves 14 and the outer tube 15B, both connections that can be sealed and matched.Also have a push rod 11 on the back ejector sleeve 14, push rod 11 axially stretches out from the chimb 16 of back ejector sleeve 14, is provided with a tip 20 at its front end, and tip 20 is cone, and the conical base diameter will be described later greater than its effect of fenestra 6(on the preceding ejector sleeve 10).
Characteristics of the present utility model are that medicated powder and the solution with injection directly is contained in the syringe.As can be seen from Figure 1, separate before use, and both can easily mix when injection for making medicated powder and solution, therefore this utility model has designed above-mentioned structure, medicated powder can be contained in the needle tubing 12, and before solution is contained in the ejector sleeve 10, both be separated by thin film 7.Ejector sleeve 14 after injection Shi doctor or nurse can pushing and withstanding, back ejector sleeve 14 is relatively moved with preceding ejector sleeve 10, thin film 7 before the tip 20 of push rod 11 front ends punctures on ejector sleeve 10 fenestras 6,19 of solution flow in the needle tubing 12, mix with medicated powder 17, as ejector sleeve 14 behind the further pushing and withstanding, then cone tip 20 will block fenestra 6, prevent that solution 19 from flowing backwards, ejector sleeve 10 moves along needle tubing 12 inwalls before further then promoting again, injects.
Referring to Fig. 1, there is an adapter front end of needle tubing 12 and syringe needle 1 joint again, and syringe needle 1 joins with needle tubing 12 by taking over 5.The bore of the backshank 4 of syringe needle 1 afterbody is slightly larger than takes over 5, and its close-fitting is connected to be taken on 5.And in order to reach the purpose of sealing syringe needle 1, also dispose a needle guard 2 at syringe needle 1 place, also be provided with the contact pin pipe 3 that a bore, shape match with syringe needle 1 in the central interior of this needle guard 2, syringe needle 1 is inserted in the contact pin pipe 3, utilize the frictional force of syringe needle and contact pin pipe 3 inwalls to make it be the sealing shape, and the afterbody of needle guard 2 is enclosed within the periphery of backshank 4, utilize frictional force to make it be the sealing shape equally.
This utility model also has another advantage as can be seen from top description, promptly punctures after thin film 7 finishes to patient injection when tip 20, and syringe of the present utility model is thoroughly stopped to be repeated to use promptly from useless.
Claims (5)
1, a kind of integral injector with needle and liquid medicine comprises syringe needle, needle tubing and ejector sleeve, it is characterized in that, ejector sleeve and back ejector sleeve before described ejector sleeve comprises, and the external diameter of described preceding ejector sleeve is slightly less than described needle tubing internal diameter, and its front end has a fenestra, and described fenestra is provided with thin film; Described back ejector sleeve is the bimetallic tube of outer tube and interior pipe, and described preceding ejector sleeve inserts between the interior pipe and outer tube of described back ejector sleeve, and is sealed and matched; Described pusher inner axial tube extend a front end have tip, can point broken described before the push rod of ejector sleeve upper film; Injecting used medicated powder and solution is contained in respectively in described needle tubing and the described preceding ejector sleeve.
2, integral injector with needle and liquid medicine as claimed in claim 1 is characterized in that, the front end of described preceding ejector sleeve is provided with a top that has fenestra and fills in, and described thin film is arranged on the described fenestra.
3, integral injector with needle and liquid medicine as claimed in claim 1 or 2 is characterized in that, the tip of described push rod front end is cone, and its conical base diameter is greater than the diameter of ejector sleeve fenestra before described.
4, integral injector with needle and liquid medicine as claimed in claim 1 or 2 is characterized in that, also comprises a needle guard, and a contact pin pipe that cooperates with described syringe needle is arranged in the described needle guard.
5, integral injector with needle and liquid medicine as claimed in claim 3 is characterized in that, also comprises a needle guard, and a contact pin pipe that cooperates with described syringe needle is arranged in the described needle guard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94239950 CN2207833Y (en) | 1994-12-30 | 1994-12-30 | Needle and injection integrated syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94239950 CN2207833Y (en) | 1994-12-30 | 1994-12-30 | Needle and injection integrated syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2207833Y true CN2207833Y (en) | 1995-09-20 |
Family
ID=33847055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94239950 Expired - Fee Related CN2207833Y (en) | 1994-12-30 | 1994-12-30 | Needle and injection integrated syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2207833Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107929886A (en) * | 2017-12-12 | 2018-04-20 | 成都育芽科技有限公司 | A kind of insulin injection syringe needle |
-
1994
- 1994-12-30 CN CN 94239950 patent/CN2207833Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107929886A (en) * | 2017-12-12 | 2018-04-20 | 成都育芽科技有限公司 | A kind of insulin injection syringe needle |
| CN107929886B (en) * | 2017-12-12 | 2020-09-01 | 安徽江南医疗器械股份有限公司 | Needle for insulin injection |
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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 |