CN201213943Y - Administration device of needleless injector - Google Patents
Administration device of needleless injector Download PDFInfo
- Publication number
- CN201213943Y CN201213943Y CNU2008201104807U CN200820110480U CN201213943Y CN 201213943 Y CN201213943 Y CN 201213943Y CN U2008201104807 U CNU2008201104807 U CN U2008201104807U CN 200820110480 U CN200820110480 U CN 200820110480U CN 201213943 Y CN201213943 Y CN 201213943Y
- Authority
- CN
- China
- Prior art keywords
- medicine
- injection body
- bottle
- push rod
- tension arm
- 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 relates to a medicine-injection instrument capable of injecting liquid medicine for a hypospray. A medicine-injection body is connected with a tightening arm through a fixing shaft of the tightening arm; the other end of the tightening arm is connected with a chuck of a medicine bottle through a fixing shaft; and a stretched spring is arranged between the tightening and the chuck of the medicine bottle. The lower middle part of the medicine-injection body is provided with a hollow needle head; and a rubber piston is arranged in a cylinder of the medicine-injection body and is provided with a piston push rod. When the chuck of the medicine bottle is clamped with an opening of an amber bottle, the piston push rod is pressed, so that the hollow needle head is inserted into the amber bottle, the piston push rod is pulled, and the liquid medicine is sucked in the cylinder of the medicine-injection body; and the chuck of the medicine bottle is loosened, the hollow needle head is pulled out, and the piston push rod is pressed through a medicine inlet connector to inject the liquid medicine into the cylinder of the hypospray.
Description
Affiliated technical field
This utility model relates to a kind of medicine injecting device for needleless injector injection medicinal liquid, belongs to medical apparatus.
Background technology
From the ampere bottle, take out medicinal liquid at present and all adopt the method for directly syringe needle being inserted ampere, the method is uncontrollable to the central point and the insertion depth that insert ampere, with injection body and ampere medicine bottle accurately behind the location, can effectively control the amount of liquid medicine that sucks the injection body with the grasp of medicine bottle dop by promoting the degree of depth that hollow needle inserts in the ampere medicine bottle.Find no this type of medicine injecting device technology by retrieval.
Summary of the invention
For reach convenient accurately with medicinal liquid by sucking the injection body in the ampere medicine bottle, this utility model provides a kind of medicine injecting device, by the medicine bottle dop of tension arm and back-moving spring is housed, block an ampere bottleneck, make hollow needle be positioned at the middle part of ampere bottle stopper exactly, press piston push rod, make hollow needle pass an ampere bottle stopper and enter the medicinal liquid desired depth, pulling piston push rod medicinal liquid is inhaled in the injection body tube, unclamps the medicine bottle dop, hollow needle can be extracted from the ampere bottle stopper.
Description of drawings
Below in conjunction with drawings and Examples this utility model is further specified.
Fig. 1 is the medicine injecting device outline drawing of needleless injector.
Fig. 2 is the vertical section structural map of the medicine injecting device embodiment of needleless injector.
1. medicine bottle dops among the figure, 2. back-moving spring, 3. fixed axis, 4. tension arm, 5. tension arm fixed axis, 6. injection body, 7. hollow needle, 8. rubber piston, 9. piston push rod.
The specific embodiment
In Fig. 1, medicine bottle dop (1) is connected by fixed axis (3) with tension arm (4), back-moving spring (2) is with medicine bottle dop (1) and tension arm (4) tension, tension arm (4) is fixed on the injection body (6) by tension arm fixed axis (5), hollow needle (7) is equipped with at the following middle part of injection body (6), and piston push rod (9) is stretched out by the top of injection body (6).
In embodiment illustrated in fig. 2, medicine bottle dop (1) is connected by fixed axis (3) with tension arm (4), back-moving spring (2) is with medicine bottle dop (1) and tension arm (4) tension, tension arm (4) is fixed on the injection body (6) by tension arm fixed axis (5), hollow needle (7) is equipped with at the following middle part of injection body (6), in the tube of injection body (6) rubber piston (8) is housed, rubber piston (8) is equipped with piston push rod (9).
Claims (1)
1. medicine injecting device that injects medicinal liquid for needleless injector, on the injection body, connect the tension arm by tension arm fixed axis, the other end of tension arm is linked to each other with the medicine bottle dop by fixed axis, between tension arm and medicine bottle dop, be connected back-moving spring, hollow needle is equipped with at the following middle part of injection body, in the tube of injection body rubber piston is housed, piston push rod is installed on the rubber piston, it is characterized in that: the injection body links to each other with the medicine bottle dop by the tension arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201104807U CN201213943Y (en) | 2008-04-18 | 2008-04-18 | Administration device of needleless injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201104807U CN201213943Y (en) | 2008-04-18 | 2008-04-18 | Administration device of needleless injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201213943Y true CN201213943Y (en) | 2009-04-01 |
Family
ID=40519153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201104807U Expired - Fee Related CN201213943Y (en) | 2008-04-18 | 2008-04-18 | Administration device of needleless injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201213943Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105999482A (en) * | 2016-06-03 | 2016-10-12 | 曲建强 | Vaccination device |
-
2008
- 2008-04-18 CN CNU2008201104807U patent/CN201213943Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105999482A (en) * | 2016-06-03 | 2016-10-12 | 曲建强 | Vaccination device |
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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: 20090401 Termination date: 20100418 |