CN204219530U - Haulback type self-destroyed syringe - Google Patents
Haulback type self-destroyed syringe Download PDFInfo
- Publication number
- CN204219530U CN204219530U CN201420616358.2U CN201420616358U CN204219530U CN 204219530 U CN204219530 U CN 204219530U CN 201420616358 U CN201420616358 U CN 201420616358U CN 204219530 U CN204219530 U CN 204219530U
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- CN
- China
- Prior art keywords
- syringe
- barb
- needle stand
- push rod
- fixed part
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Abstract
A kind of haulback type self-destroyed syringe, belongs to medical instruments field, is specifically related to a kind of syringe that can realize self-destruction.Haulback type self-destroyed syringe, comprise syringe needle (1), needle stand (2), syringe (7) and push rod (8), syringe needle (1) is arranged on needle stand (2), needle stand (2) is arranged on the agent outlet end of syringe (7), plug (5) is installed in push rod (8) bottom be placed in syringe (7), it is characterized in that: push rod (8) lower end is provided with the barb fixed part (3) through plug (5), barb fixed part (3) is fixed with the spring barb (4) of upward opening, needle stand (2) upper end is provided with the fixing inner chamber (201) fixed with spring barb (4).Haulback type self-destroyed syringe adopts symmetric design mode to realize self-destruction, can not produce pause in injection process, and decrease the pain of injection patient, and can not be wounded by stabbing when arranging the syringe after self-destruction, cost is low, and self-distruction structure is simple.
Description
Technical field
Haulback type self-destroyed syringe, belongs to technical field of medical treatment mechanical, is specifically related to a kind of syringe that can realize self-destruction.
Background technology
Syringe is medically requisite a kind of disposable utensil, although syringe all specifies to carry out single use, but in order to really accomplish to avoid syringe repeatedly to use, also some syringe starts design and installs self-desttruction equipment additional, make syringe after a single use, functionally cannot reuse, from root, this just ensure that syringe is no longer recycled.The existing disposable syringe installing self-destroying function additional has in use found some problems, such as: 1, inject again and push time, easily cause pause, cause injection process not smooth, can shake be produced, add injection patient pain sensation; 2, adopt asymmetrical design mode to realize self-destruction, design is complicated, considerably increases cost of manufacture.
Summary of the invention
Problem to be solved in the utility model is: overcome the deficiencies in the prior art, provide one can realize self-destroying function, self-distruction structure simple, manufacture simple haulback type self-destroyed syringe.
This utility model solves the technical scheme that its technical problem adopts: this haulback type self-destroyed syringe, comprise syringe needle, needle stand, syringe and push rod, syringe needle is arranged on needle stand, needle stand is arranged on the agent outlet end of syringe, plug is installed in the push rod bottom be placed in syringe, it is characterized in that: push rod lower end is provided with the barb fixed part through plug, barb fixed part is fixed with the spring barb of upward opening, needle stand upper end is provided with the fixing inner chamber fixed with spring barb.After use of the syringe, the fixing inner chamber on spring barb and needle stand is firmly stuck, and realize the self-destruction of syringe, structure is simple.
Preferably, in described barb fixed part, cross section is T-shaped, and the lower end, vertical portion of barb fixed part has through hole, and spring barb is fixed on the vertical portion of barb fixed part through through hole, and barb fixed part lower end is the taper adapted with fixing inner chamber.Barb fixed part can to spring barb restriction location.
Preferably, described push rod arranges rounded tabs above plug, arranges fracture above rounded tabs, and the inwall at its upper end mouth place arranges spacing preiection.Spacing preiection can prevent when drawing medicament with syringe, and plug is drawn out syringe inner chamber.
Preferably, described spring barb is " V " shape or semicircular arc.Symmetrical " V " shape or semicircle make the injection of syringe smooth and easy, and the spring barb of " V " shape or semicircular arc and needle stand endoporus adopt and flexibly connect, and can not produce shake in injection process.
Preferably, described needle stand is connected with the agent outlet end interference fit of syringe.
Preferably, it is bonding that described syringe needle and needle stand pass through adhesive.
Compared with prior art, the beneficial effect that haulback type self-destroyed syringe of the present utility model has is:
1, haulback type self-destroyed syringe adopts spring barb and fixes the self-distruction structure of inner chamber, and after using, spring barb can fix intracavity in the fixing of needle stand, achieves the self-destruction of syringe.
2, barb fixed part carries out restriction location to spring barb, better ensure that syringe self-destroying function after a procedure.
3, push rod is provided with fracture, and push rod after use of the syringe, is communicated with needle stand and retracts syringe inner chamber, fractureed by push rod from fracture, make syringe achieve self-destruction from root by user; Fracture is arranged on the position of push rod near lower end, and position fracture need being forgotten about it its upper end mouth just can fracture, and owing to fixing the existence of inner chamber and spring barb, make needle stand also get back to syringe inner chamber, syringe needle can not stretch out syringe, can not stab cleanup crew.
4, adopt symmetrical " V " shape or semicircular spring barb, ensure that the smooth of injection process, spring barb and needle stand endoporus adopt and flexibly connect, and do not produce shake, decrease the pain sensation of injection patient.
5, the barb fixed part lower end on push rod is the taper adapted with the fixing inner chamber on needle stand, and the lower end toper having injected rear barb fixed part fully contacts with fixing inner chamber, makes the medicine noresidue in syringe.
6, haulback type self-destroyed syringe makes simple, and cost is low, is applicable to promoting on a large scale.
Accompanying drawing explanation
Fig. 1 is that the master of haulback type self-destroyed syringe looks cross-sectional schematic.
Fig. 2 is the schematic top plan view of push rod.
Fig. 3 is the cross-sectional schematic of A-A in Fig. 2.
Fig. 4 is that the master after haulback type self-destroyed syringe uses looks cross-sectional schematic.
Fig. 5 is that the master after the self-destruction of haulback type self-destroyed syringe looks cross-sectional schematic.
In figure: 1, syringe needle 2, needle stand 201, fixing inner chamber 3, barb fixed part 4, spring barb 5, plug 6, fracture 7, syringe 8, push rod 9, spacing preiection 10, rounded tabs.
Detailed description of the invention
Fig. 1 ~ 5 are most preferred embodiments of the present utility model, are described further below in conjunction with accompanying drawing 1 ~ 5 pair of this utility model.
Haulback type self-destroyed syringe, comprises syringe needle 1, needle stand 2, syringe 7 and push rod 8, and syringe needle 1 is arranged on needle stand 2, and needle stand 2 is arranged on the agent outlet end of syringe 7, and plug 5 is installed in push rod 8 bottom be placed in syringe 7.Push rod 8 lower end is provided with the barb fixed part 3 through plug 5, barb fixed part 3 is fixed with the spring barb 4 of upward opening, and needle stand 2 upper end is provided with the fixing inner chamber 201 fixed with spring barb 4.
As shown in Figure 1: needle stand 2 is the cylindric of band ladder, arranges columned fixing inner chamber 201 in larger one section of diameter, fixing bottom inner chamber 201 is taper.Go up the projection arranged around needle stand outer wall for one section that the ladder place diameter of needle stand 2 is larger, protruding for fixing in the groove of syringe 7 agent outlet end inwall.
Syringe 7 is cylindrical drum, and syringe 7 is less near the intracavity diameter of agent outlet end, and syringe 7 intracavity bottom arranges the groove around inwall, and groove is used for fixing needle stand 2.Syringe 7 upper port goes out to arrange the spacing preiection 9 around inwall.
Spacing preiection 9 also can be distributed in the projection on syringe 7 upper port inwall.
As shown in Fig. 1 ~ 3: push rod is cross section is the shaft-like of " ten " font, push rod 8 upper end arranges circular pushing hands, and lower end arranges rounded tabs 10.Push rod 8 arranges fracture 6 near rounded tabs 10 place, the annular protrusion being used for installing plug 5 is set below rounded tabs 10.Be barb fixed part 3 below annular protrusion, the cross section in the middle part of barb fixed part 3 is "T"-shaped, and the lower end, vertical portion of barb fixed part 3 has through hole, is used for mounting spring barb 4.Barb fixed part 3 lower end arranges the taper suitable with the fixing inner chamber 201 on needle stand 2.
Syringe needle 1 is bonded in less one section of needle stand 2 diameter by adhesive, syringe needle 1 and the fixing intracavity inter-connection on needle stand 2.Syringe 2 is fixed on the agent outlet end of syringe 7 together with fixing with the groove of syringe 7 medicament inlet end by the projection on needle stand 2.Install plug 5 below the rounded tabs 10 of push rod 8, plug 5 is fixed on push rod 8 by the annular protrusion below prototype catch 10; The through hole that the spring barb 4 of " V " shape passes barb fixed part 3 is arranged on barb fixed part 3, and barb fixed part 3 is stretched out at opening upwards, the two ends of the spring barb 4 of " V " shape.Push rod 8 with plug 5 is arranged in the inner chamber of syringe 7 and can slides along the inner chamber of syringe 7.
Spring barb 4 also can be the barb of semicircle arcuation.
As shown in Fig. 4 ~ 5: during injection, under the effect of user thrust, spring barb 4 easily snaps in the fixing inner chamber 201 of needle stand 2, completes injection.Due to the existence of spring barb 4, need to be retracted by push rod 8 by larger power, such needle stand 2 will be got back in syringe 7, and push rod 8 fractures from fracture 6 by user, syringe can not be reused, thus reach the object of self-destruction.
Operation principle and process: pull push rod 8 by intracavity in the syringe 7 of medicament inhalation syringe, when the push rod 8 with plug 5 is advanced downwards, medicament in syringe 7 is discharged from syringe needle 1, and barb fixed part 3 lower end of push rod 8 fully contacts with the fixing inner chamber 201 of needle stand 2, is medicament noresidue.After medicament is fully injected, spring barb 4 easily enters in the fixing inner chamber 201 of needle stand 2, and when push rod 8 drives spring barb 4 to move upward, it is more firm that spring barb 4 and fixing inner chamber 201 block, need to be retracted by push rod 8 by larger power, such needle stand 2 will be got back in syringe 7, and push rod 8 fractures from fracture 6 by user, syringe can not be used again, thus reach the object of self-destruction.Because fracture 6 is positioned at the bottom of push rod 8, when push rod 8 fractures, syringe needle 1 can not stretch out syringe 7, can not stab staff when arranging and reclaiming syringe.
The above, it is only preferred embodiment of the present utility model, be not restriction this utility model being made to other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the Equivalent embodiments of equivalent variations.But everyly do not depart from technical solutions of the utility model content, any simple modification, equivalent variations and the remodeling done above embodiment according to technical spirit of the present utility model, still belong to the protection domain of technical solutions of the utility model.
Claims (6)
1. a haulback type self-destroyed syringe, comprise syringe needle (1), needle stand (2), syringe (7) and push rod (8), syringe needle (1) is arranged on needle stand (2), needle stand (2) is arranged on the agent outlet end of syringe (7), plug (5) is installed in push rod (8) bottom be placed in syringe (7), it is characterized in that: push rod (8) lower end is provided with the barb fixed part (3) through plug (5), barb fixed part (3) is fixed with the spring barb (4) of upward opening, needle stand (2) upper end is provided with the fixing inner chamber (201) fixed with spring barb (4).
2. haulback type self-destroyed syringe according to claim 1, it is characterized in that: in described barb fixed part (3), cross section is T-shaped, the lower end, vertical portion of barb fixed part (3) has through hole, spring barb (4) is fixed on through through hole on the vertical portion of barb fixed part (3), and barb fixed part (3) lower end is the taper adapted with fixing inner chamber (201).
3. haulback type self-destroyed syringe according to claim 1, it is characterized in that: described push rod (8) arranges rounded tabs (10) in plug (5) top, rounded tabs (10) top arranges fracture (6), the inwall at syringe (7) upper port place is arranged spacing preiection (9).
4. haulback type self-destroyed syringe according to claim 1 and 2, is characterized in that: described spring barb (4) is " V " shape or semicircular arc.
5. haulback type self-destroyed syringe according to claim 1, is characterized in that: described needle stand (2) is connected with the agent outlet end interference fit of syringe (7).
6. haulback type self-destroyed syringe according to claim 1, is characterized in that: described syringe needle (1) is bonding by adhesive with needle stand (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420616358.2U CN204219530U (en) | 2014-10-23 | 2014-10-23 | Haulback type self-destroyed syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420616358.2U CN204219530U (en) | 2014-10-23 | 2014-10-23 | Haulback type self-destroyed syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204219530U true CN204219530U (en) | 2015-03-25 |
Family
ID=52917681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420616358.2U Expired - Fee Related CN204219530U (en) | 2014-10-23 | 2014-10-23 | Haulback type self-destroyed syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204219530U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106620968A (en) * | 2016-11-08 | 2017-05-10 | 沈挺 | Safe self-destruction syringe |
| CN108721729A (en) * | 2017-04-21 | 2018-11-02 | 戴浙 | Device for pre-loading a medicament capsule injector |
| CN108815639A (en) * | 2018-05-08 | 2018-11-16 | 河南兴恒医疗用品有限公司 | Disposible safety syringe |
-
2014
- 2014-10-23 CN CN201420616358.2U patent/CN204219530U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106620968A (en) * | 2016-11-08 | 2017-05-10 | 沈挺 | Safe self-destruction syringe |
| CN108721729A (en) * | 2017-04-21 | 2018-11-02 | 戴浙 | Device for pre-loading a medicament capsule injector |
| CN108721729B (en) * | 2017-04-21 | 2020-12-22 | 戴浙 | Device for pre-loading a medicament capsule injector |
| 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 | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20170822 Granted publication date: 20150325 |
|
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20200822 Granted publication date: 20150325 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150325 Termination date: 20211023 |