CN2693263Y - Disposable safety self damaging syringe - Google Patents
Disposable safety self damaging syringe Download PDFInfo
- Publication number
- CN2693263Y CN2693263Y CN 200420036424 CN200420036424U CN2693263Y CN 2693263 Y CN2693263 Y CN 2693263Y CN 200420036424 CN200420036424 CN 200420036424 CN 200420036424 U CN200420036424 U CN 200420036424U CN 2693263 Y CN2693263 Y CN 2693263Y
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- CN
- China
- Prior art keywords
- injection
- syringe
- built
- needle
- needle stand
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- 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 discloses a disposable safety self-damaging syringe, comprising an injection needle tube, a built-in needle stand, a sealed rubber plug, an injection syringe body, an injection core bar and a needle tube protective cap. The injection syringe body comprises a fixing device for fixing the built-in needle stand, and the built-in needle stand is tightly embedded and fixed in the fixing device of the injection syringe body. The injection needle tube is fixed on the built-in needle stand; the sealed rubber plug is arranged on one end of the injection core bar, and the end of the injection core bar is positioned in the injection syringe body; the hollow cavity of the sealed rubber plug is provided with a puncture position limiting terminal which can damage the sealed rubber plug after forced; the puncture position limiting terminal is fixedly connected to one end of the injection core bar, and the end of the injection core bar is positioned in the injection syringe body. While in use, the syringe can make the sealed rubber plug be punctured after the physic liquor is injected by the syringe, an injection needle can be completely withdrawn into the needle tube, the injection core bar is broken off, and the syringe is self-damaged completely thereby.
Description
Technical field
This utility model relates in a kind of hygiene medical treatment field at the clinical disposable syringe device of using for the patient infusion medicinal liquid, more particularly, relate to that the back stitching tube that entry needle all can be shunk after a kind of liquid medicine injection finishes, plug are stabbed out, injection core rod can be fractureed, the ruined disposable self-destroyed syringe safe in utilization of syringe after use.
Background technology
When at present the patient being injected, be extensive use of disposable syringe, this is to preventing cross infection and preventing and curing diseases and played more positive effect in the medicine and hygiene fields.But also there is following shortcoming in the shot device that uses at present:
1, after injecting liquid drug finishes, be difficult to this disposable syringe is wracked, taken advantage of the occasion to reclaim, clean a little and cause it to flow into society again to be used again by some lawless persons, so very easily cause disease and cross infection, bring the factor that is absolutely unsafe to the patient.
2, after liquid medicine injection finishes, the nursing staff does not notice that slightly sharp keen injection needle can puncture medical worker's hands and cause iatrogenic disease to infect when returning cover injection needle protective cap, and especially acquired immune deficiency syndrome (AIDS), hepatitis etc. are by the disease of blood-borne; If do not return the cover protective cap, the exposed entry needle that has blood outside is again a polluter of contaminated environment.
For this reason, creator of the present utility model relies on it to be engaged in the experience and the practice of relevant industries for many years, and through concentrating on studies and developing, create a kind ofly after liquid medicine injection finishes, plug can be stabbed out, entry needle all shrinks, and back stitching tube, injection core rod can be fractureed after use, the ruined disposable self-destroyed syringe safe in utilization of syringe.
Summary of the invention
Main purpose of the present utility model is to solve existing disposable syringe and is reclaimed by the lawless person because of self-destruction fully and all utilize again or the problems of part utilization in the liquid medicine injection back that finishes.
Secondary objective of the present utility model is to solve the problem of existing disposable syringe safety injection, easily punctures the problem that medical personnel's hand skin causes nosocomial infection when returning cover Tip protection cover before just abandoning behind liquid medicine injection.
Disposable self-destroyed syringe safe in utilization includes in this utility model:
One can insert the injection needle and the protective sleeve of human body;
One is used for fixing the built-in needle stand of described injection needle, and described injection needle is fixed on the small bore end of described built-in needle stand;
One syringe cylinder includes the fixture that is used for fixing built-in needle stand: described built-in needle stand closely is mounted in the fixture inside of described syringe cylinder;
Described built-in needle stand in its outer peripheral edges be provided with can with the close-fitting flange of fixture inwall, and fixture convexes with the bulge loop that can prevent that built-in needle stand from skidding off outward in the last ora terminalis of its inwall toward in.And fixture evenly is provided with four projectioies that can prevent that built-in needle stand from contracting toward in the following ora terminalis of its inwall toward convex;
One can be at the inner injection core rod of passing of syringe cylinder, and this injection core rod is positioned at syringe cylinder one end and is provided with one and has hollow cavity and the mobile sealing plug with the promotion of injection core rod; It is characterized in that: but be provided with the puncture screens terminal of breakseal plug after the application of force in the hollow cavity of described sealing plug, this puncture screens terminal, its tip is the garden taper, and the end that the other end and injection core rod extend in the sealing plug hollow cavity is connected.
Described built-in needle stand portion's through hole within it is provided with the flange that is used to fix described puncture screens terminal away from the inwall of needle tubing one end toward in.
Described injection core rod is provided with broken line in its middle part.
Described puncture terminal can be one-body molded with injection core rod.
Self-destroyed syringe disposable safe in utilization in this utility model is designed to fixture by the Taper Pipe with the syringe cylinder front end, injection needle is fixed on the built-in needle stand, built-in needle stand fixes in syringe cylinder front end fixture, behind the liquid medicine injection with entry needle along with built-in needle stand is penetrated in the syringe by the re-injection of shrinking in the lump, and seal by means of bulge loop between built-in needle stand and the fixture, and after liquid medicine injection finishes, not only destroyed the sealing plug, and the injection needle re-injection of shrinking penetrated syringe, realized injection needle and syringe cylinder self-destruction and prevented that medical personnel from being punctured the purpose of skin, in addition, syringe in this utility model is after use, also injection core rod can be fractureed, further increase the self-destruction degree of syringe.
Description of drawings
The specific embodiment of the utility model is described in further detail below in conjunction with accompanying drawing.
Figure one is the structure cross-sectional schematic of disposable self-destroyed syringe safe in utilization in this utility model;
Figure two is enlarged diagrams of built-in needle stand and syringe cylinder junction in this utility model;
Figure three is that the puncture terminal of disposable self-destroyed syringe safe in utilization in this utility model when entering the big nose end of built-in needle stand, injection needle and built-in needle stand are taken out and bounced back in the syringe cylinder, and injection core rod is the sectional structure sketch map when fractureing;
The specific embodiment
As shown in Figure 1, the self-destroyed syringe disposable safe in utilization in this utility model includes: needle tubing 1, built-in needle stand 2,, syringe cylinder 3, sealing plug 4, puncture screens terminal 5, injection core rod 6, needle tubing protective cap 7 etc., wherein:
Built-in needle stand 2 is cylindrical shape, as shown in Figure 2, the centre is provided with through hole 22, these through hole 22 1 ends are small bore end 220, be used for inserting solid injection needle 1, the other end is big nose end 221, and the end inner edge of this big nose end 221 is provided with bulge loop 2221, puncture screens terminal 5 embedded and fixes usefulness when the bulge loop 2221 of big nose end 221 inner edge settings was retraction needle tubing 1, built-in needle stand 2, and the periphery of macropore 221 ends is provided with at least one circle bulge loop 2222 simultaneously;
One end of syringe cylinder 3 is provided with the fixture 33 that is used for fixing built-in needle stand 2, the other end inserts for injection core rod 6, fixture 33 is the cylindric of hollow, its internal diameter is slightly less than the external diameter of built-in needle stand 2 big nose end 221 outer rim bulge loops 2222, when built-in needle stand 2 is mounted in fixture 33 inside, the inwall of fixture 33 can closely cooperate with bulge loop 2222, and is the sealing shape, prevents that medicinal liquid from leaking; Syringe cylinder 3 ora terminalis on its fixture 33 inwalls is provided with the bulge loop 331 that can prevent that built-in needle stand 2 from skidding off outward toward in, simultaneously, be provided with the projection 332 that several can prevent that built-in needle stand 2 from contracting toward in toward at the following ora terminalis of its fixture 33 inwalls;
Sealing plug 4 has a hollow cavity 41;
It is cone-shaped that one end of puncture screens terminal 5 is the garden, and the end that the other end and injection core rod 6 extend in sealing plug 4 hollow cavities 41 is connected, and this puncture screens terminal 5 can be made by same material is one-body molded with injection core rod 6; Also can make by different materials, and respectively by gluing or mechanical system is fixedly connected.
Shown in Fig. 1, figure three, injection core rod 6 is provided with broken line 8 in a position at its middle part, and after pushing away of injection core rod 6 held 62 places to apply cross force slightly, injection core rod 6 was promptly fractureed along this broken line 8.
During self-destroyed syringe disposable safe in utilization in using this utility model; at first pull up needle tubing protective cap 7; injection at once behind the aspiration medicinal liquid; to be injected finishing; the syringe that takes off is continued to hold 62 places thrust a little pushing away of injection core rod 6; throw-out collar 61 enters in the hollow cavity 41 of sealing plug 4; perverse the wearing of the pointed cone of the screens of puncture simultaneously terminal 5 seals the big nose end 221 that plug 4 enters built-in needle stand 2; puncture screens terminal 5 is blocked by the bulge loop 2221 in the built-in needle stand 2 big nose ends 221; the pumpback injection core rod 6 again; utilize the built-in needle stand 2 that puncture screens terminal 5 will be equipped with injection needle 1 to bring syringe cylinder 3 the insides into; when 3 li of injection needle 1 whole indentation syringe cylinders; end 62 places that push away at injection core rod 6 add a cross force; cause injection core rod 6 to fracture along broken line 8; and make the complete self-destruction of syringe; can prevent that so the medical matters nursing staff from overlapping the situation generation that protective cap is punctured hand skin because of returning; and the part of this syringe wracks, and prevents that fully syringe from repeating nonexpondable possibility.
Claims (8)
1, a kind of disposable self-destroyed syringe safe in utilization includes:
One can insert the needle tubing of human body;
One is used for fixing the built-in needle stand of described injection needle, and described injection needle is fixed on the small bore end of described built-in needle stand;
One syringe cylinder includes the fixture that is used for fixing built-in needle stand;
One can be at the inner injection core rod of passing of syringe cylinder, and this injection core rod is positioned at syringe cylinder one end and is provided with one and has hollow cavity and the mobile sealing plug with the promotion of injection core rod; It is characterized in that:
Described built-in needle stand closely is mounted in the fixture inside of described syringe cylinder; But the puncture screens terminal of breakseal plug be provided with the application of force in the hollow cavity of described sealing plug after, the end that this puncture screens terminal and described injection core rod are positioned at syringe cylinder inside is connected.
2, according to the self-destroyed syringe disposable safe in utilization described in the claim 1, it is characterized in that: described built-in needle stand in its outer peripheral edges be provided with can with the close-fitting flange of fixture inwall, and fixture convexes with the bulge loop that can prevent that needle stand from skidding off outward in the upper end of its inwall toward in.
3, according to the self-destroyed syringe disposable safe in utilization described in the claim 1, it is characterized in that: described fixture convexes with the projection that several can prevent that needle stand from contracting toward in the lower end of its inwall toward in.
4, according to the self-destroyed syringe disposable safe in utilization described in the claim 1, it is characterized in that: described built-in needle stand portion's through-hole wall within it is provided with the flange that is used to fix described puncture screens terminal away from an end of needle tubing toward in.
5, according to the self-destroyed syringe disposable safe in utilization described in the claim 1, it is characterized in that: described injection core rod can push the throw-out collar in the sealing plug hollow cavity after itself and described sealing plug junction are provided with an application of force when being used to promote the plug slippage and moving to the syringe bottom.
6, according to the self-destroyed syringe disposable safe in utilization described in the claim 1, it is characterized in that: described puncture screens terminal is a garden taper terminal, and its tip is sharp keen shape, and the end that the other end and injection core rod extend in the sealing plug hollow cavity is connected.
7, according to the self-destroyed syringe disposable safe in utilization described in the claim 1, it is characterized in that: described inject cores device bar is provided with broken line in its middle part.
8, according to the self-destroyed syringe disposable safe in utilization described in the claim 5, it is characterized in that: described puncture screens terminal and injection core rod are one-body molded.The centrage of puncture screens terminal and the centrage of injection core rod also can become one to be not more than 10 ° angle on a line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420036424 CN2693263Y (en) | 2004-03-23 | 2004-03-23 | Disposable safety self damaging syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420036424 CN2693263Y (en) | 2004-03-23 | 2004-03-23 | Disposable safety self damaging syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2693263Y true CN2693263Y (en) | 2005-04-20 |
Family
ID=34773529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420036424 Expired - Fee Related CN2693263Y (en) | 2004-03-23 | 2004-03-23 | Disposable safety self damaging syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2693263Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111110960A (en) * | 2020-01-16 | 2020-05-08 | 湖南省绿洲惠康发展有限公司 | Disposable double self-destruction syringe |
-
2004
- 2004-03-23 CN CN 200420036424 patent/CN2693263Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111110960A (en) * | 2020-01-16 | 2020-05-08 | 湖南省绿洲惠康发展有限公司 | Disposable double self-destruction 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 |