CN201308696Y - Self-destroying disposable injector - Google Patents
Self-destroying disposable injector Download PDFInfo
- Publication number
- CN201308696Y CN201308696Y CNU2008202265562U CN200820226556U CN201308696Y CN 201308696 Y CN201308696 Y CN 201308696Y CN U2008202265562 U CNU2008202265562 U CN U2008202265562U CN 200820226556 U CN200820226556 U CN 200820226556U CN 201308696 Y CN201308696 Y CN 201308696Y
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- CN
- China
- Prior art keywords
- piston
- syringe
- push rod
- spring
- cylindrical channel
- 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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Abstract
The utility model discloses a self-destroying disposable injector, which comprises a push rod, a piston arranged on one end of the push rod and a needle tube matched with the piston, wherein columnar channel which is perpendicular to the inner wall of the needle tube is arranged on the piston, a spring is arranged in the columnar channel, ball bodies are respectively arranged on both ends of the spring in the columnar channel, and two depressions which are corresponding to the two ball bodies are arranged on the tail end of the piston stroke on the inner side wall of the needle tube. The injector has the advantages that the use is convenient, the structure is simple, convenience and shortcut, and the cross-infection due to the injector secondarily comes into markets and is repeatedly used is avoided.
Description
Technical field
This utility model relates to a kind of medical instruments, relates in particular to the once syringe of back auto-destruct of a kind of use.
Background technology
At present, necessary artificial destruction the after employed disposable syringe is finished using in the domestic and foreign hospitals, otherwise can also use repeatedly after the sterilization, so also not exclusively possess disposable characteristics; And adopt artificial destruction labor intensity bigger, and cause personal damage easily, form cross infection; Adopt mechanical method of destroying to be suitable for concentrating and destroy, concentrated destruction just needs the regular hour to collect, transport, and the syringe of Shou Jiing just might come into the market once more and be repeated to use in the meantime.
The utility model content
Technical problem to be solved in the utility model provides a kind of simple in structure, and is easy to operate, the re-use preventing once-used syringe that can destroy on the spot rapidly when finishing using.
For solving the problems of the technologies described above, the technical solution of the utility model is: re-use preventing once-used syringe, comprise push rod, be installed in the piston of described push rod one end, the syringe that cooperates with described piston, described piston is provided with the cylindrical channel perpendicular to described syringe inwall, in the described cylindrical channel spring is installed, in the described cylindrical channel and be positioned at described both ends of the spring and be separately installed with a spheroid, described syringe medial wall and the end that is positioned at described piston stroke are provided with two depressions corresponding with described spheroid.
Owing to adopted technique scheme, re-use preventing once-used syringe, comprise push rod, be installed in the piston of described push rod one end, with the syringe that described piston cooperates, described piston is provided with the cylindrical channel perpendicular to described syringe inwall, in the described cylindrical channel spring is installed, in the described cylindrical channel and be positioned at described both ends of the spring and be separately installed with a spheroid, described syringe medial wall and the end that is positioned at described piston stroke are provided with two depressions corresponding with described spheroid; The beneficial effects of the utility model are: simple in structure, easy to use, and when finishing using, just destroyed voluntarily syringe, do not need to carry out extra destruction work again, saved the labour force.
Description of drawings
Fig. 1 is the structural representation of this utility model embodiment;
Fig. 2 is the self-destruction view of this utility model embodiment.
The specific embodiment
As shown in Figure 1, re-use preventing once-used syringe, comprise push rod 1, be installed in the piston 5 of described push rod 1 one ends, with the syringe 2 that described piston 5 cooperates, described piston 5 is provided with the cylindrical channel 4 perpendicular to described syringe 2 inwalls, in the described cylindrical channel 4 spring 6 is installed, in the described cylindrical channel 4 and be positioned at described spring 6 two ends and be separately installed with a spheroid 7, described syringe 2 medial walls and the end that is positioned at described piston 5 strokes are provided with two depressions 3 corresponding with described spheroid 7.
Below in conjunction with Fig. 1 and Fig. 2 the operation principle of present embodiment once is described:
The cross section that will guarantee to be arranged on the cylindrical channel 4 in the described piston 5 during use and the cross section of two depressions 3 that are arranged on described syringe 2 sidewalls bottom be not on same horizontal line, because the springs 6 that the extruding of syringe 2 inwalls is arranged in the cylindrical channel 4 are in compressive state, only in this way could guarantee that push rod 1 can freely twitch in syringe 2; Outwards pulling push rod 1 extracts medicinal liquid, slowly promote push rod 1 after medicinal liquid is ready to forward and implement injection, the injection back piston 5 that finishes is pushed to the bottom of syringe 2, the cross section that this moment, rotating push-rod 1 made cylindrical channel 4 and the section of depression 3 are on same horizontal line, the spring 6 that always is in compressive state discharges suddenly, the spheroid 7 that spring 6 two ends are connected respectively ejects, enter into depression 3, push rod 1 and piston 2 are fixed firmly, can not extract medicinal liquid once more and implement injection, thereby reach the finish using purpose of self-destruction simultaneously of syringe.
Claims (1)
1. re-use preventing once-used syringe, comprise push rod, be installed in the piston of described push rod one end, the syringe that cooperates with described piston, it is characterized in that: described piston is provided with the cylindrical channel perpendicular to described syringe inwall, in the described cylindrical channel spring is installed, in the described cylindrical channel and be positioned at described both ends of the spring and be separately installed with a spheroid, described syringe medial wall and the end that is positioned at described piston stroke are provided with two depressions corresponding with described spheroid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202265562U CN201308696Y (en) | 2008-12-08 | 2008-12-08 | Self-destroying disposable injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202265562U CN201308696Y (en) | 2008-12-08 | 2008-12-08 | Self-destroying disposable injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201308696Y true CN201308696Y (en) | 2009-09-16 |
Family
ID=41105950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202265562U Expired - Fee Related CN201308696Y (en) | 2008-12-08 | 2008-12-08 | Self-destroying disposable injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201308696Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104523300A (en) * | 2015-01-19 | 2015-04-22 | 浙江省苍南中学 | Dropper capable of achieving quantitative liquid drainage and special for skin prick test |
| CN104665879A (en) * | 2015-03-09 | 2015-06-03 | 浙江省苍南中学 | Special drip tube for skin prick test |
| WO2017049990A1 (en) * | 2015-09-21 | 2017-03-30 | 河南驼人医疗器械集团有限公司 | Pressure-indicating syringe |
-
2008
- 2008-12-08 CN CNU2008202265562U patent/CN201308696Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104523300A (en) * | 2015-01-19 | 2015-04-22 | 浙江省苍南中学 | Dropper capable of achieving quantitative liquid drainage and special for skin prick test |
| CN104665879A (en) * | 2015-03-09 | 2015-06-03 | 浙江省苍南中学 | Special drip tube for skin prick test |
| WO2017049990A1 (en) * | 2015-09-21 | 2017-03-30 | 河南驼人医疗器械集团有限公司 | Pressure-indicating syringe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090916 Termination date: 20100108 |