CN209596334U - A kind of retractable safety syringe jacket - Google Patents
A kind of retractable safety syringe jacket Download PDFInfo
- Publication number
- CN209596334U CN209596334U CN201820138544.8U CN201820138544U CN209596334U CN 209596334 U CN209596334 U CN 209596334U CN 201820138544 U CN201820138544 U CN 201820138544U CN 209596334 U CN209596334 U CN 209596334U
- Authority
- CN
- China
- Prior art keywords
- injection needle
- fixed part
- cone
- smaller opening
- needle fixed
- 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 discloses one kind of Self-destructing needlepoint retractile safe syringe field application can retrieving safety injector housing.Its structure includes coat body, ontology front end and ontology rear end, the ontology front end is provided with injection needle fixed part, one end of the injection needle fixed part is larger open end, the other end is smaller opening end, the injection needle fixed part is evenly arranged with several cone-shaped grooves for being used to limit position of injection needle at close smaller opening end, and the central axis of the cone-shaped groove is located at plane where injection needle end placing groove central axis.The application realizes the restriction of position of injection needle, has been effectively ensured medical using effect, while handling for later collection and providing guarantee using smaller opening end and with injection needle fixed part interior conical groove.The setting of cone-shaped groove simultaneously, simplifies the overall structure of housing, and keep its side wall smooth, provides guarantee for mold molding, it is easy to accomplish large-scale production.
Description
Technical field
The utility model relates to a kind of a kind of retractable peaces of Self-destructing needlepoint retractile safe syringe field application
Full syringe jacket.
Background technique
Syringe is widely applied in medicine existing, and to avoid that cross-infection occurs, syringe is disposable syringe.Note
Emitter is after using i.e. as garbage disposal.Disposable syringe is led to by housing, injection needle and push-rod piston composition at present
Liquid in housing is injected into patient's body by the movement for crossing push-rod piston by injection needle.But the disposable syringe exists
After the completion of use, injection needle is still trapped in outside, and the processing and handling process for rubbish all bring constant, hold simultaneously
Staff easily is stabbed, just inevitably occurs the secondary cross-infection of germ at this time, the health of human body of people is brought
Significant threat.Furthermore the syringe may be reused completely using front-end geometry and unchanged, be unfavorable for syringe industry
Quality monitoring.
With the improvement of living standards, people also more pay attention to the monitoring of health care, self-destruction syringe meet the tendency of and
It is raw.The self-destruction syringe voluntarily can be destroyed or be locked after use, but the injection needle is unfavorable for people still in exposed state
Safety guarantee.A kind of safety syringe with retractable need as disclosed in utility model patent 03278017.6.The support
The fastness of structure is poor, while the existing jacket structure suitable for the technology is complex, improves model production difficulty,
It is unfavorable for large-scale production operation.
Utility model content
The technical issues of the utility model solves is to provide a kind of retractable peace that a kind of structure is simple, production cost is low
Full syringe jacket.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of retractable safety syringe jacket, including coat body, ontology front end and ontology rear end, before the ontology
End is provided with injection needle fixed part, and one end of the injection needle fixed part is larger open end, and the other end is smaller opening end, institute
Larger open end is stated towards coat body and coupled logical, the larger open end by injection needle end placing groove with it is smaller
Open end is connected, and the injection needle fixed part is evenly arranged with several for limiting injection needle position at close smaller opening end
The cone-shaped groove set, the central axis of the cone-shaped groove are located at plane where injection needle end placing groove central axis.
The injection needle fixed part of housing is provided towards the larger open end of coat body and towards external by this application
Smaller opening end can not be fallen when injection needle is placed under the limitation at smaller opening end from the opening.In use process
In, the push rod in housing compresses liquid towards injection needle, and the setting of injection needle fixed part ensure that using injection effect.
The injection needle fixed part is provided with several cone-shaped grooves simultaneously, so that the position to injection needle is defined, avoiding makes
With the using effect for moving left and right phenomenon, ensure that in medical care precess in the process.The application by cone small end direction
Smaller opening ensure that injection needle can be moved in coat body with push rod after use, ensure that later collection is handled
Safety.The setting of cone-shaped groove simultaneously, simplifies structure, while making its inner wall smooth, provides guarantor for mold molding
Barrier, it is easy to accomplish large-scale production.
Further, the injection needle fixed part is at least two-part structure.
Further, the inside of injection needle fixed part is arranged in the cone-shaped groove.
Further, the outside of injection needle fixed part is arranged in the cone-shaped groove.
Further, to be provided with several spiral shapes on the outside of at the larger open end recessed for the injection needle fixed part
Slot.
Further, the coat body is provided with position limiting structure at the inside close to ontology rear end.
Further, the position limiting structure is retaining line.
The beneficial effects of the utility model are:
1, the application utilizes smaller opening end and the setting with injection needle fixed part interior conical groove, realizes injection
Medical using effect has been effectively ensured in the restriction of pin position, ensure that injection needle can be moved to outer with push rod after use
It covers in ontology, provides guarantee for later collection processing, furthermore the structure is simple, makes its inner wall smooth, effectively increases model
Molding using effect, reduce production cost, realize large-scale production demand；
2, at least structure qualification of two-part, improves the fixed effect of injection needle end, improves relaxing for medical applications
Appropriateness；
3, the setting of screw-type grooves improves the effect that is connected and fixed of each structure, effectively expands the reality of the structure
The property used；
4, the setting of position limiting structure avoids push rod falling in use, ensure that recovering effect.
Detailed description of the invention
Fig. 1 is a kind of overall structure cross-sectional view of retractable safety syringe jacket of the utility model；
The note of cone-shaped groove is provided on the inside of a kind of retractable safety syringe jacket of the position Fig. 2 the utility model
Penetrate the structural schematic diagram of needle fixed part；
The note of cone-shaped groove is provided on the inside of a kind of retractable safety syringe jacket of the position Fig. 3 the utility model
Penetrate the three-dimensional cutaway view of needle fixed part；
Fig. 4 be the utility model a kind of retractable safety syringe jacket on the outside of be provided with the note of cone-shaped groove
Penetrate the structural schematic diagram of needle fixed part；
In the figure, it is marked as coat body 1, ontology front end 11, ontology rear end 12, injection needle fixed part 2, larger open end
21, smaller opening end 22, injection needle end placing groove 23, retaining line 3, cone-shaped groove 4, spiral groove 5.
Specific embodiment
The present invention will be further described below with reference to the accompanying drawings and specific embodiments.
The housing of this application includes cylindrical coat body 1, and structure is as shown in Figure 1.The ontology front end of coat body 1
11 are used for the fixed placement of injection needle, and opposite with ontology front end 11 for ontology rear end 12, the ontology rear end 12 is for push rod
Push operation entry.The placement of injection needle fixed part 2 is connected to ontology front end 11.To guarantee to inject application effect, the injection needle is solid
The larger open end 21 in portion 2 is determined towards coat body 1 and coupled logical, can smoothly enter into injection needle for injection.Simultaneously should
Outwardly, larger open end 21 is connected with smaller opening end 22 by injection needle end placing groove 23 at smaller opening end 22, is injected
The operation needle of needle is exposed by smaller opening end 22.The injection needle fixed part 2 may be configured as pyramidal structure, such as Fig. 2 at this time
Shown, the inside of injection needle fixed part 2 is uniformly arranged there are four cone-shaped groove 4, the central axis of cone-shaped groove 4 and injection
The axial direction of needle end part placing groove 23 is parallel.When injection needle is placed, can not be opened from this under the limitation at smaller opening end
Mouth is fallen.In use, the push rod in coat body 1 compresses liquid towards injection needle, injection needle fixed part 2
The front-rear position of injection needle is defined, ensure that using injection effect.The circular cone of 2 inside of injection needle fixed part simultaneously
Connected in star 4 avoids the injection needle in use process and moves left and right phenomenon, ensure that the normal use in medical care precess, while axis
The setting effect of line improves mobile efficiency, avoids Caton effect, effectively reduces frictional force.
As shown in Figure 1, the injection needle fixed part 2 may be configured as two-part fixed structure, five cone-shaped grooves 4 are set at this time
It sets at smaller opening end 22.Simultaneously as shown in figure 3, the relatively big end of cone-shaped groove 4 is towards smaller opening end 22, to guarantee to infuse
Penetrate the placement effect of needle end part.The set-up mode simultaneously, ensure that injection needle can be moved to housing with push rod after use
In ontology 1, the safety of later collection processing ensure that.Furthermore the structure may be configured as three stage structure etc., the setting of multistage
Structure effectively increases the fixed effect of injection needle, improves work validity.The structure setting of this outer arcuate, simplification finish
Structure, and keep its side wall smooth, be conducive to the molding effect of mold, reduce production cost, is provided for large-scale production demand
It ensures.As shown in figure 4, the cone-shaped groove 4 may be provided at the outside of injection needle fixed part 2.
The outside of the injection needle fixed part 2 is provided with two screw-type grooves 5, and external structure can be recessed using screw-type at this time
Slot 5 is attached fixation with it, improves the effect that is connected and fixed of each structure, effectively expands the practicability of the structure.It should
The quantity of screw-type grooves 5 can be configured according to demand, such as three, four.
As shown in Figure 1, the coat body 1 is provided with retaining line 3 close to the inside of ontology rear end 12, when push rod inside it
When being moved, retaining line 3 can realize blocking limit operation to it, avoid push rod falling in use, ensure that
Recovering effect.
Particular embodiments described above has carried out into one the purpose of this utility model, technical scheme and beneficial effects
Step is described in detail, it should be understood that being not limited to this foregoing is merely specific embodiment of the utility model
Utility model, within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done should all wrap
Containing being within the protection scope of the utility model.
Claims (7)
1. a kind of retractable safety syringe jacket, including coat body (1), ontology front end (11) and ontology rear end (12),
The ontology front end (11) is provided with injection needle fixed part (2), which is characterized in that one end of the injection needle fixed part (2) is
Larger open end (21), the other end be smaller opening end (22), the larger open end (22) towards coat body (1) and and its
It is connected, the larger open end (22) is connected by injection needle end placing groove (23) with smaller opening end (22), described
Injection needle fixed part (2) is being evenly arranged with several cones for being used to limit position of injection needle at smaller opening end (22)
Groove (4), the central axis of the cone-shaped groove (4) are located at plane where injection needle end placing groove (23) central axis.
2. a kind of retractable safety syringe jacket according to claim 1, which is characterized in that the injection needle is fixed
Portion (2) is that at least two-part structure, the cone-shaped groove (4) are disposed in proximity to smaller opening end (22).
3. a kind of retractable safety syringe jacket according to claim 1 or 2, which is characterized in that the cone
Groove (4) is arranged in the inside of injection needle fixed part (2).
4. a kind of retractable safety syringe jacket according to claim 1 or 2, which is characterized in that the cone
Groove (4) is arranged in the outside of injection needle fixed part (2).
5. a kind of retractable safety syringe jacket according to claim 1 or 2, which is characterized in that the injection needle
Fixed part (2) is provided with several spiral grooves (5) on the outside of at larger open end (21).
6. a kind of retractable safety syringe jacket according to claim 1, which is characterized in that the coat body
(1) position limiting structure is provided at the inside close to ontology rear end (12).
7. a kind of retractable safety syringe jacket according to claim 6, which is characterized in that the position limiting structure is
Retaining line (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820138544.8U CN209596334U (en) | 2018-01-27 | 2018-01-27 | A kind of retractable safety syringe jacket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820138544.8U CN209596334U (en) | 2018-01-27 | 2018-01-27 | A kind of retractable safety syringe jacket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209596334U true CN209596334U (en) | 2019-11-08 |
Family
ID=68393589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820138544.8U Expired - Fee Related CN209596334U (en) | 2018-01-27 | 2018-01-27 | A kind of retractable safety syringe jacket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209596334U (en) |
-
2018
- 2018-01-27 CN CN201820138544.8U patent/CN209596334U/en not_active Expired - Fee Related
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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: 20191108 Termination date: 20210127 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |