CN204181966U - Air-tube type syringe - Google Patents
Air-tube type syringe Download PDFInfo
- Publication number
- CN204181966U CN204181966U CN201420606962.7U CN201420606962U CN204181966U CN 204181966 U CN204181966 U CN 204181966U CN 201420606962 U CN201420606962 U CN 201420606962U CN 204181966 U CN204181966 U CN 204181966U
- Authority
- CN
- China
- Prior art keywords
- syringe
- air
- air bag
- tube type
- needle stand
- 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
This utility model discloses a kind of air-tube type syringe, be made up of syringe (1), core bar (2), plug (3), needle stand (8), needle tubing (5) and sheath (6), core bar (2) and plug (3) form piston, air bag (11) is provided with at the top of syringe (1), air bag (11) is connected with the top seal of syringe (2), air inlet (10) is had at the top of air bag (11), in the middle of the bottom of air bag (11), have gas outlet (12), air inlet (10) is much larger than gas outlet (12).Compared with prior art, the medical personnel of practice phase use this utility model, liquid infusion speed also can be made even, greatly improve the safety of injection.
Description
Technical field
This utility model relates to a kind of syringe, especially a kind of air-tube type syringe.
Background technology
At present, prior art syringe be the direct-push syringe of end band plug before core bar, the medical personnel of practice phase use this syringe, and liquid infusion speed is uneven.Therefore, designing the uniform air-tube type syringe of a kind of liquid infusion speed, is the current technical issues that need to address.
Summary of the invention
Technical problem to be solved in the utility model is to provide the uniform air-tube type syringe of a kind of liquid infusion speed.
The technical scheme in the invention for solving the technical problem is:
Air-tube type syringe, be made up of syringe, core bar, plug, needle stand, needle tubing and sheath, core bar and plug form piston, air bag is provided with at the top of syringe, air bag is connected with the top seal of syringe, have air inlet at the top of air bag, in the middle of the bottom of air bag, have gas outlet, air inlet is much larger than gas outlet.
As a kind of preferred version of the present utility model, seal groove is had at syringe top, the collar extension of mating with seal groove is arranged at the bottom of air bag, the collar extension of air bag (injects in the seal groove at syringe top, the collar extension of air bag and the seal groove at syringe top are sealed and matched, there is air inlet at the top of air bag, in the middle of the bottom of air bag, have gas outlet.
As a kind of preferred version of the present utility model, be provided with the air bag fairlead be connected as a single entity with syringe body at the top of syringe.
As a kind of preferred version of the present utility model, the upper surface of fairlead is the inclined-plane of 45-60 degree.
As a kind of preferred version of the present utility model, needle stand is ducted body, is filled with drainage screen or infrared ray filter membrane in the cavity of needle stand.
As a kind of preferred version of the present utility model, with external screw thread on the nipple of syringe, needle stand is with the female thread mated with Supramammillary external screw thread, and syringe is threaded with needle stand by nipple.
Compared with prior art, the medical personnel of practice phase use this utility model, liquid infusion speed also can be made even, greatly improve the safety of injection.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
As shown in the figure, air-tube type syringe, be made up of syringe 1, core bar 2, plug 3, needle stand 8, needle tubing 5 and sheath 6, core bar 2 and plug 3 form piston, be provided with air bag 11 at the top of syringe 1, air bag 11 is connected with the top seal of syringe 2, has air inlet 10 at the top of air bag 11, in the middle of the bottom of air bag 11, have gas outlet 12, air inlet 10 is much larger than gas outlet 12.
Have seal groove 9 at syringe 1 top, the collar extension 13 of mating with seal groove 9 is arranged at the bottom of air bag 11, and the collar extension 13 of air bag 11 injects in the seal groove 9 at syringe 1 top, and the collar extension 13 of air bag 10 is sealed and matched with the seal groove 9 at syringe 1 top.
Air bag 11 fairlead 14 be connected as a single entity with syringe 1 body is provided with at the top of syringe 1.
The upper surface of fairlead 14 is the inclined-plane of 45-60 degree.
Needle stand 8 is ducted body, is filled with drainage screen or infrared ray filter membrane 7 in the cavity of needle stand 8.
With external screw thread on the nipple 4 of syringe 1, needle stand 8 is with the female thread mated with the external screw thread on nipple 4, and syringe 1 is threaded with needle stand 8 by nipple 4.
Claims (6)
1. air-tube type syringe, be made up of syringe (1), core bar (2), plug (3), needle stand (8), needle tubing (5) and sheath (6), it is characterized in that, core bar (2) and plug (3) form piston, air bag (11) is provided with at the top of syringe (1), air bag (11) is connected with the top seal of syringe (2), air inlet (10) is had at the top of air bag (11), in the middle of the bottom of air bag (11), have gas outlet (12), air inlet (10) is much larger than gas outlet (12).
2. air-tube type syringe according to claim 1, it is characterized in that, seal groove (9) is had at syringe (1) top, the collar extension (13) of mating with seal groove (9) is arranged at the bottom of air bag (11), the collar extension (13) of air bag (11) injects in the seal groove (9) at syringe (1) top, and the collar extension (13) of air bag (10) and the seal groove (9) at syringe (1) top are sealed and matched.
3. air-tube type syringe according to claim 1 and 2, is characterized in that, is provided with air bag (11) fairlead (14) be connected as a single entity with syringe (1) body at the top of syringe (1).
4. air-tube type syringe according to claim 3, is characterized in that, the upper surface of fairlead (14) is the inclined-plane of 45-60 degree.
5. air-tube type syringe according to claim 1 and 2, is characterized in that, needle stand (8) is ducted body, is filled with drainage screen or infrared ray filter membrane (7) in the cavity of needle stand (8).
6. air-tube type syringe according to claim 1, it is characterized in that, with external screw thread on the nipple (4) of syringe (1), needle stand (8) is with the female thread mated with the external screw thread on nipple (4), and syringe (1) is threaded with needle stand (8) by nipple (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420606962.7U CN204181966U (en) | 2014-10-14 | 2014-10-14 | Air-tube type syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420606962.7U CN204181966U (en) | 2014-10-14 | 2014-10-14 | Air-tube type syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204181966U true CN204181966U (en) | 2015-03-04 |
Family
ID=52614003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420606962.7U Expired - Fee Related CN204181966U (en) | 2014-10-14 | 2014-10-14 | Air-tube type syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204181966U (en) |
-
2014
- 2014-10-14 CN CN201420606962.7U patent/CN204181966U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150304 Termination date: 20151014 |
|
| EXPY | Termination of patent right or utility model |