CN209154750U - Disposable syringe - Google Patents
Disposable syringe Download PDFInfo
- Publication number
- CN209154750U CN209154750U CN201721678269.0U CN201721678269U CN209154750U CN 209154750 U CN209154750 U CN 209154750U CN 201721678269 U CN201721678269 U CN 201721678269U CN 209154750 U CN209154750 U CN 209154750U
- Authority
- CN
- China
- Prior art keywords
- groove
- syringe
- piston
- ejector sleeve
- pyramidal structure
- 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
Links
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a kind of disposable syringes, including syringe and ejector sleeve, syringe front end connecting needle, ejector sleeve front end is fixedly connected with piston, the syringe front end is additionally provided with the groove of evagination, the groove is structure wide at the top and narrow at the bottom, piston nose surface side corresponding with groove is equipped with the pyramidal structure of a vertex outwardly, the pyramidal structure is fixed to piston face than the small cylindrical-shaped structure of cone outside diameter by a basal diameter, and the pyramidal structure can enter groove and stuck by groove.Compared to traditional disposable syringe, the syringe construction is simple, and rationally, using in syringe front end groove is arranged in design, the disposable effect of syringe is ensured in the piston of ejector sleeve front end setting special construction, self-destruction is convenient, and one hand can be operated.
Description
Technical field
The utility model belongs to medical instruments field, and in particular to a kind of disposable syringe.
Background technique
Syringe is a kind of common medical instrument, for being used to a small amount of medical fluid of patient injection and medicine adding and dispensing, one
As be all it is disposable, if not abandoning immediately after use, it is easy to be reused because of inadvertent, cause to intersect dirty
Dye, endangers the health of patient.Some cannot voluntarily be damaged traditional disposable syringe, and certain structures are complicated, and self-destruction is at high cost,
Some use inconvenience, can not one-handed performance.
202761831 U of CN discloses a kind of disposable syringe, which is only arranged one in the ejector sleeve tail portion of syringe
For the film of label, there is no the measure that pressure is scrapped, the idea that user is depended entirely on whether scrapping of the syringe,
This cannot fundamentally solve the problems, such as that syringe is reused.
203425322 U of CN discloses a kind of disposable syringe, and patent end in syringe is fixed with blade direction
The blade of ejector sleeve, although having self-destructed function, blade is metal material, and higher cost, one-handed performance is with certain danger
It is dangerous.
Utility model content
In view of the deficiencies of the prior art, it is convenient, singlehanded to provide a kind of simple structure and reasonable design, self-destruction for the utility model
The disposable syringe that can be operated.
The utility model is achieved through the following technical solutions:
A kind of disposable syringe, including syringe and ejector sleeve, syringe front end connecting needle, ejector sleeve front end is fixedly connected with work
Plug, the syringe front end are additionally provided with the groove of evagination, and the groove is structure wide at the top and narrow at the bottom, the piston nose surface with
The corresponding side of groove is equipped with the pyramidal structure of a vertex outwardly, and the pyramidal structure is more straight than cone big end by a basal diameter
The small cylindrical-shaped structure of diameter is fixed to piston face, and the pyramidal structure can enter groove and stuck by groove.
Preferably, the groove is 2, is symmetrically fixed on syringe needle two sides, the pyramidal structure of the piston nose and institute
It is identical to state number of recesses, position is corresponding.
Preferably, the groove is the structure that a hollow cone adds a hollow cylinder, wherein the top of cone
Point is connected to syringe front end outwardly, by cylindrical body, and cone basal diameter is greater than cylindrical body basal diameter.
Preferably, the ejector sleeve is equipped with snap slot.
Preferably, the front of ejector sleeve is arranged in the snap slot.
The utility model has the beneficial effects that comparing traditional disposable syringe, the syringe construction is simple, and design is closed
Reason, is arranged groove using in syringe front end, and the piston of special construction is arranged in ejector sleeve front end to ensure disposably making for syringe
With effect, self-destruction is convenient, and one hand can be operated；The design of snap slot ensure that the secondary self-destruction of the syringe, make to inject
Device is scrapped more thorough.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment 1；
Fig. 2 is the structural schematic diagram of embodiment 2；
Fig. 3 is the structural schematic diagram of embodiment 3；
Fig. 4 is the structural schematic diagram of embodiment 4.
In figure: 1, syringe；2, ejector sleeve；3, syringe needle；4, piston；5, pyramidal structure；6, groove；7, cylindrical-shaped structure；8, it rolls over
Fault trough.
Specific embodiment
The utility model is further elaborated below with reference to embodiment and attached drawing.
Embodiment 1
A kind of disposable syringe, as shown in Figure 1, including syringe 1 and ejector sleeve 2,1 front end connecting needle 3 of syringe, ejector sleeve 2
Front end is fixedly connected with piston 4, and 1 front end of syringe is provided with the groove 6 of evagination, and the groove 6 is structure wide at the top and narrow at the bottom,
In the embodiment, groove is made of the different hollow cylindrical body of upper and lower two basal diameters, wherein the big circle of basal diameter
Cylinder is located at outside, because the diameter of cylindrical body bottom surface is in up big and down small, therefore forms platform two cylindrical body junctions, uses
One-way movement is only capable of in blocking pyramidal structure 5 when groove 6 and following pyramidal structures 5 are overlapped；4 front-end surface of piston with
The corresponding side of groove 6 is equipped with the pyramidal structure 5 of a vertex outwardly, and the pyramidal structure 5 is bigger than boring by a basal diameter
Diameter small cylindrical-shaped structure 7 in end is fixed to the surface of piston 4, and pyramidal structure 5 and the relative size of groove 6 must assure that taper
Structure 5 can enter in groove 6 and stuck by groove 6.
In use, ejector sleeve 2 is promoted along syringe 1 to 3 direction of syringe needle, when injection is complete, before piston 4 reaches syringe 1
End, since piston 4 is flexible material, the male cone (strobilus masculinus) of the pyramidal structure 5 on piston 4 can be easily along the slot of groove 6
Mouth bottleneck enters groove 6, is stuck in pyramidal structure 5 in groove 6, and at this moment, ejector sleeve 2 can not retreat, and causes this disposable
Syringe can not be reused.
Embodiment 2
As shown in Fig. 2, with 1 content of embodiment, something in common is not: setting 2 for the groove 6 of the evagination of 1 front end of syringe
It is a, the two sides of syringe needle 3 are symmetrically fixed on, meanwhile, the pyramidal structure 5 of 4 front end of piston is also provided with into 2, and position and groove 6 are right
It answers.
Such design can make stronger stuck in needle tubing 1 of ejector sleeve 2, scrap the disposable syringe more
Add thoroughly.
Embodiment 3
As shown in figure 3, with above-described embodiment content, something in common is not: the cylindrical body for being located at outside in groove 6 is set
Cone is counted into, outwardly, cone basal diameter is greater than cylindrical body basal diameter below, and taper knot on the vertex of cone
It is in groove 6 and stuck by groove 6 that the relative size of structure 5 and groove 6 must assure that pyramidal structure 5 can enter.
Such design can make pyramidal structure 5 and groove 6 more coincide, and avoid one caused by misfitting because of the two
Secondary property syringe scraps the generation of halfway phenomenon.
Embodiment 4
As shown in figure 4, with above-described embodiment content, something in common is not: the snap slot of an invagination being arranged on ejector sleeve 2
8。
When injection is complete, other than ejector sleeve 2 can not be extracted for the design of 1 front end of syringe, it is also an option that the ejector sleeve that fractures,
Scrap the disposable syringe using double shield more thorough.
The snap slot 8 can be set in the front of ejector sleeve 2, more frangibility.
Claims (5)
1. a kind of disposable syringe, including syringe and ejector sleeve, syringe front end connecting needle, ejector sleeve front end are fixedly connected with piston,
It is characterized in that, the syringe front end is additionally provided with the groove of evagination, the groove is structure wide at the top and narrow at the bottom, before the piston
End surfaces side corresponding with groove is equipped with the pyramidal structure of a vertex outwardly, and the pyramidal structure passes through a basal diameter ratio
The small cylindrical-shaped structure of cone outside diameter is fixed to piston face, and the pyramidal structure can enter groove and stuck by groove.
2. a kind of disposable syringe according to claim 1, which is characterized in that the groove is 2, symmetrical fixed
In syringe needle two sides, the pyramidal structure of the piston nose is identical as the number of recesses, and position is corresponding.
3. a kind of disposable syringe according to claim 1, which is characterized in that the groove is a hollow cone
Add the structure of a hollow cylinder, wherein the vertex of cone outwardly, is connected to syringe front end, cone bottom by cylindrical body
Face diameter is greater than cylindrical body basal diameter.
4. a kind of disposable syringe according to claim 1, which is characterized in that the ejector sleeve is equipped with snap slot.
5. a kind of disposable syringe according to claim 4, which is characterized in that before ejector sleeve is arranged in the snap slot
Portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721678269.0U CN209154750U (en) | 2017-12-06 | 2017-12-06 | Disposable syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721678269.0U CN209154750U (en) | 2017-12-06 | 2017-12-06 | Disposable syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209154750U true CN209154750U (en) | 2019-07-26 |
Family
ID=67326005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721678269.0U Expired - Fee Related CN209154750U (en) | 2017-12-06 | 2017-12-06 | Disposable syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209154750U (en) |
-
2017
- 2017-12-06 CN CN201721678269.0U patent/CN209154750U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209154750U (en) | Disposable syringe | |
| CN204521956U (en) | Gynecological administration device | |
| CN203885953U (en) | Injector | |
| CN204337470U (en) | A kind of Novel anesthesia section anesthetic machine | |
| EP2258423A1 (en) | Reusable syringe with replaceable tubular vial and retractable needle | |
| CN206642177U (en) | A kind of syringe for being easy to injection needle to depart from injection tube | |
| CN203169744U (en) | Safety injection syringe with push-and-pull ring | |
| CN201230994Y (en) | Drug-filling needle with protection sheath | |
| CN202777225U (en) | Hand-pressing-type gynecology vaginal syringe | |
| CN206044656U (en) | Without section cross end bushing type thyroid nodule puncture needle | |
| CN203694212U (en) | Needle-tube-type vagina washer for gynecology | |
| CN102028620A (en) | Glycerine enema packaging bottle | |
| CN204543244U (en) | A kind of Multifunctional gynecological nursing administrator | |
| CN207886490U (en) | A kind of disposable needle tubing of broken needle | |
| CN206424305U (en) | One kind promotes injecting type Drug packing pipe | |
| CN202437886U (en) | Disposable needle tube | |
| CN201351112Y (en) | Ampoule breaking opening device | |
| CN106237449A (en) | Disposable syringe | |
| CN203852596U (en) | Injection needle type dosage connecting device with locking connector | |
| CN209237053U (en) | Disposable Cell Micro-injection Device | |
| CN219332785U (en) | Automatic retraction type fixed dose safety self-destruction injector | |
| CN203107878U (en) | Liquid medicine injector | |
| CN203122671U (en) | Veterinary injector | |
| CN2577865Y (en) | Safety disposable syringes | |
| CN208974195U (en) | It is a kind of can throwing injection animal doctor's Lengthened syringe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190726 Termination date: 20191206 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |