CN203915667U - Pin device auto-split syringe - Google Patents
Pin device auto-split syringe Download PDFInfo
- Publication number
- CN203915667U CN203915667U CN201420317661.2U CN201420317661U CN203915667U CN 203915667 U CN203915667 U CN 203915667U CN 201420317661 U CN201420317661 U CN 201420317661U CN 203915667 U CN203915667 U CN 203915667U
- Authority
- CN
- China
- Prior art keywords
- core bar
- urceolus
- syringe
- syringe needle
- connection block
- 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
- 238000007789 sealing Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 7
- 201000010099 disease Diseases 0.000 description 4
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 206010011409 Cross infection Diseases 0.000 description 2
- 206010029803 Nosocomial infection Diseases 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000030507 AIDS Diseases 0.000 description 1
- 208000005176 Hepatitis C Diseases 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 238000001467 acupuncture Methods 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 230000002354 daily effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 208000002672 hepatitis B Diseases 0.000 description 1
- 238000007918 intramuscular administration Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 210000004304 subcutaneous tissue Anatomy 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The disclosed pin device of this utility model auto-split syringe, comprising: a urceolus; One is arranged on the syringe needle Connection Block of outer cylinder front end; And one the rear end from urceolus insert the core bar in urceolus, the front end of core bar be one can by be arranged on syringe needle Connection Block top on urceolus from push rod, the front end of core bar is provided with a core bar piston; Core bar in the position that is positioned at described push rod rear end, be provided with one with the round boss of the coaxial setting of core bar, the front end of round boss is provided with annular flange flange, the rear end of core bar piston is provided with an inner raised edge, core bar piston is tightly buckled in by inner raised edge in the annular flange flange on the round boss of core bar, has a movable chamber in core bar.The beneficial effects of the utility model are: by the movable chamber of moving forward for core bar is set in piston, thereby make push rod by syringe needle Connection Block top from, realize syringe needle automatically separated with device cylinder, realized the safe retrieving of syringe needle Connection Block, it reclaims convenient, simple to operate.
Description
Technical field
This utility model relates to a kind of medical syringe tool, relates in particular to a kind of pin device auto-split syringe.
Background technology
Instrument used for injection mainly refers to for medical object, by acupuncture technology, by injecting liquid drug to tissue, subcutaneous, blood vessel, intramuscular apparatus, also relate to by pin puncture technique, transfer by medicinal liquid between a plurality of containers, carries out the utensil (refer to clinical in conventional dispensing injector with pin) of compatibility of drugs.It relates to our various syringes used in everyday and entry needle.Syringe is container and the push injection instrument that medicinal liquid can be drawn in its inner chamber, and entry needle is after accurately puncturing to injection site, sets up the flow channel for liquids that medicinal liquid is infused into this position.The two cooperation realizes jointly to the injection of medicinal liquid or forwarding function.They,, in the process of mankind's clinic diagnosis disease and configuration medicinal liquid, are bringing into play huge effect, are indispensable diagnosis, treatment utensils.But, along with the variation of nature advancing of disease with virus, antibacterial, the cross infection or the transmission of disease that make to contact with blood or body fluid and occur are on the rise, wherein a kind of is exactly in daily medical act, the nosocomial infection that entry needle causes medical personnel's pricking wound is very serious, even cause the transmissions of disease such as AIDS, hepatitis B, hepatitis C, therefore present syringe is all disposable.Existing syringe is for convenient recycling, syringe needle Connection Block and the cylindrical shell of syringe generally adopt split-type design, syringe needle Connection Block to the syringe after finishing using disassembles, syringe needle Connection Block and cylindrical shell classification are processed, but the syringe needle Connection Block that present syringe needle dismounting is generally the rear end that pinches syringe needle Connection Block by hands is firmly tightly placed in barrel front end takes off, but the suitable inconvenience of such operation.
Utility model content
Technical problem to be solved in the utility model is: for the deficiencies in the prior art, provide a kind of pin device auto-split syringe.
The technical problem that this utility model solves can realize by the following technical solutions:
Pin device auto-split syringe, comprising:
One urceolus;
The one syringe needle Connection Block that is arranged on the front end of described urceolus and detachably gets off, the front end of described syringe needle Connection Block is connected with a syringe needle; And
One inserts the core bar in described urceolus from the rear end of described urceolus, the front end of described core bar be one can by be arranged on syringe needle Connection Block on described urceolus top from push rod, the front end of described core bar is provided with a core bar piston; It is characterized in that,
Described core bar in the position that is positioned at described push rod rear end, be provided with one with the round boss of the coaxial setting of described core bar, the front end of described round boss is provided with annular flange flange, the rear end of described core bar piston is provided with an inner raised edge, described core bar piston is tightly buckled in by described inner raised edge in the annular flange flange on the round boss of described core bar, has a movable chamber in described core bar; When described core bar promotes the after-applied certain thrust of front end of urceolus described in core bar piston arrives, force the round boss of described core bar to travel forward at described movable intracavity, the push rod that makes described core bar by described syringe needle Connection Block top from.
In a preferred embodiment of the present utility model, the leading portion of described urceolus is a conical shell, the rear end of described syringe needle Connection Block has a tapered opening cooperatively interacting with the urceolus face of the conical shell of described urceolus, during installation, the tapered opening of described syringe needle Connection Block is enclosed within on described conical shell.
In a preferred embodiment of the present utility model, described urceolus is provided with an inner conical sealing surface on the inner core face that is positioned at described conical shell rear, and the front end of described core bar piston has a male-tapered sealing surface being sealed and matched with the inner conical sealing surface of described urceolus.
In a preferred embodiment of the present utility model, the rear end of described urceolus has a bell that facilitates described core bar to insert,
In a preferred embodiment of the present utility model, described urceolus is provided with a rear end boss on the inner core face that is positioned at described bell the place ahead.
In a preferred embodiment of the present utility model, the rear end of described urceolus is provided with a urceolus clamping part.
In a preferred embodiment of the present utility model, the rear end of described core bar is provided with a core bar control section.
In a preferred embodiment of the present utility model, on described core bar, be at least provided with a broken part.
In a preferred embodiment of the present utility model, also comprise that one is arranged on the needle guard on described syringe needle Connection Block.
Owing to having adopted technical scheme as above, the beneficial effects of the utility model are: by the movable chamber of moving forward for core bar is set in piston, thereby make push rod by syringe needle Connection Block top from, realize syringe needle automatically separated with device cylinder, realized the safe retrieving of syringe needle Connection Block, it reclaims convenient, simple to operate; This syringe simple in structure, easy and simple to handle, safe and reliable, practicality is good, when medical personnel adopt this syringe, work efficiency is improved.
Accompanying drawing explanation
In order to be illustrated more clearly in this utility model embodiment or technical scheme of the prior art, will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is fractionation schematic diagram of the present utility model.
The specific embodiment
For technological means, creation characteristic that this utility model is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth this utility model.
Referring to Fig. 1, the pin device auto-split syringe providing in figure, comprises urceolus 100, syringe needle Connection Block 200, core bar 300 and needle guard 400.
The leading portion of urceolus 100 is a conical shell 110, urceolus 100 is provided with an inner conical sealing surface 120 on the inner core face that is positioned at conical shell 110 rears, the rear end of urceolus 100 has a bell 130, urceolus 100 is provided with a rear end boss 140 on the inner core face that is positioned at bell 130 the place aheads, and urceolus 100 rear ends are provided with a urceolus clamping part 150.
The front end of syringe needle Connection Block 200 is connected with a syringe needle 210, and the rear end of syringe needle Connection Block 200 has a tapered opening 220 cooperatively interacting with the urceolus face of the conical shell 110 of urceolus 100.When syringe needle Connection Block 200 is installed, the tapered opening of syringe needle Connection Block 200 220 is enclosed within on conical shell 110.Needle guard 400 is arranged on syringe needle Connection Block 200, in order to protect syringe needle 210, prevents that it is contaminated.
Core bar 300 inserts in urceolus 100 from the bell 130 of urceolus 100, and the front end of core bar 300 is a push rod 310, and this push rod 310 can be through after the conical shell 110 of urceolus 100, by be arranged on syringe needle Connection Block 200 tops on urceolus 100 from; The rear end of core bar 300 is provided with a core bar control section 340, the reciprocating motion of the controlled coremaking bar 300 of this core bar control section 340, on core bar 300, be provided with a broken part 330, after syringe is finished using, by broken part 330 is fractureed, core bar 300 cannot be reused, effectively prevent that syringe is used again.
Core bar 300 is provided with a round boss 320 in the position that is positioned at push rod 310 rear ends, this round boss 320 coaxially arranges with core bar 300, the front end of round boss 320 is provided with annular flange flange 321, the front position place of core bar 300 is also provided with a core bar piston 350, the front end of this core bar piston 350 has a male-tapered sealing surface 351 being sealed and matched with the inner conical sealing surface 120 of urceolus 100, the rear end of core bar piston 350 is provided with an inner raised edge 352, in core bar piston 350, there is a movable chamber 353, the center of core bar piston 350 front ends is provided with a through hole 354 passing for push rod 310.The inner raised edge 352 of core bar piston 350 by its rear end is tightly buckled in the annular flange flange 321 on the round boss 320 of core bar 300.When promoting core bar piston 350, core bar 300 arrives after the front end of urceolus, be after the male-tapered sealing surface 351 of core bar piston 350 and the inner conical sealing surface 120 of urceolus 100 contact, apply certain thrust, the round boss 320 that forces core bar 300 travels forward in the movable chamber 353 in core bar piston 350, the push rod 310 that the distance of advancing for core bars 300 in this activity chamber 353 is enough to make core bar 300 by syringe needle Connection Block 200 tops from, realize the automatically separated of pin and device.
Claims (9)
1. pin device auto-split syringe, comprising:
One urceolus;
The one syringe needle Connection Block that is arranged on the front end of described urceolus and detachably gets off, the front end of described syringe needle Connection Block is connected with a syringe needle; And
One inserts the core bar in described urceolus from the rear end of described urceolus, the front end of described core bar be one can by be arranged on syringe needle Connection Block on described urceolus top from push rod, the front end of described core bar is provided with a core bar piston; It is characterized in that,
Described core bar in the position that is positioned at described push rod rear end, be provided with one with the round boss of the coaxial setting of described core bar, the front end of described round boss is provided with annular flange flange, the rear end of described core bar piston is provided with an inner raised edge, described core bar piston is tightly buckled in by described inner raised edge in the annular flange flange on the round boss of described core bar, has a movable chamber in described core bar; When described core bar promotes the after-applied certain thrust of front end of urceolus described in core bar piston arrives, force the round boss of described core bar to travel forward at described movable intracavity, the push rod that makes described core bar by described syringe needle Connection Block top from.
2. pin device auto-split syringe as claimed in claim 1, it is characterized in that, the leading portion of described urceolus is a conical shell, the rear end of described syringe needle Connection Block has a tapered opening cooperatively interacting with the urceolus face of the conical shell of described urceolus, during installation, the tapered opening of described syringe needle Connection Block is enclosed within on described conical shell.
3. pin device auto-split syringe as claimed in claim 1, it is characterized in that, described urceolus is provided with an inner conical sealing surface on the inner core face that is positioned at described conical shell rear, and the front end of described core bar piston has a male-tapered sealing surface being sealed and matched with the inner conical sealing surface of described urceolus.
4. pin device auto-split syringe as claimed in claim 1, is characterized in that, the rear end of described urceolus has a bell that facilitates described core bar to insert,
5. pin device auto-split syringe as claimed in claim 4, is characterized in that, described urceolus is provided with a rear end boss on the inner core face that is positioned at described bell the place ahead.
6. pin device auto-split syringe as claimed in claim 5, is characterized in that, the rear end of described urceolus is provided with a urceolus clamping part.
7. pin device auto-split syringe as claimed in claim 1, is characterized in that, the rear end of described core bar is provided with a core bar control section.
8. pin device auto-split syringe as claimed in claim 1, is characterized in that, is at least provided with a broken part on described core bar.
9. the pin device auto-split syringe as described in any one in claim 1 to 8, is characterized in that, also comprises that one is arranged on the needle guard on described syringe needle Connection Block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420317661.2U CN203915667U (en) | 2014-06-13 | 2014-06-13 | Pin device auto-split syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420317661.2U CN203915667U (en) | 2014-06-13 | 2014-06-13 | Pin device auto-split syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203915667U true CN203915667U (en) | 2014-11-05 |
Family
ID=51811551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420317661.2U Expired - Fee Related CN203915667U (en) | 2014-06-13 | 2014-06-13 | Pin device auto-split syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203915667U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106362244A (en) * | 2015-07-24 | 2017-02-01 | 黄文村 | Safety syringe |
-
2014
- 2014-06-13 CN CN201420317661.2U patent/CN203915667U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106362244A (en) * | 2015-07-24 | 2017-02-01 | 黄文村 | Safety syringe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI JUMIN BIOTECHNOLOGY CO., LTD. Free format text: FORMER OWNER: SHANGHAI SHUANGGE INDUSTRIAL CO., LTD. Effective date: 20141013 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20141013 Address after: 201400 Shanghai City, Fengxian District Hangzhou Highway No. 1888 building Sixth Patentee after: SHANGHAI JUMIN BIOLOGICAL TECHNOLOGY CO., LTD. Address before: 201400 No. 1888, Shanghai Hangzhou highway, Jianghai Economic Zone, Fengxian District, Shanghai Patentee before: Double-Dove Industrial Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 201400 Shanghai City, Fengxian District Hangzhou Highway No. 1888 building Sixth Patentee after: Poly Biological Technology Co Ltd Address before: 201400 Shanghai City, Fengxian District Hangzhou Highway No. 1888 building Sixth Patentee before: SHANGHAI JUMIN BIOLOGICAL TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20190613 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |