CN204337080U - Gastric infusion syringe - Google Patents
Gastric infusion syringe Download PDFInfo
- Publication number
- CN204337080U CN204337080U CN201420808370.3U CN201420808370U CN204337080U CN 204337080 U CN204337080 U CN 204337080U CN 201420808370 U CN201420808370 U CN 201420808370U CN 204337080 U CN204337080 U CN 204337080U
- Authority
- CN
- China
- Prior art keywords
- syringe
- gastric infusion
- core bar
- piston
- vertical diaphragm
- 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
This utility model provides a kind of gastric infusion syringe, is particularly useful for the perfusion of low solubility medicine.The foraminate syringe of front end band that this syringe is made of plastics and piston, core bar composition, described syringe tube intracavity is provided with the vertical diaphragm that tube chamber to be divided into two symmetrical semi-cylindrical tube chambers by, and the piston, the core bar that match with described vertical diaphragm.When this syringe can prevent dabbling drug, syringe front end aperture is by the blocking of medicine precipitation, guarantees that perfusion operation completes smoothly.
Description
Technical field
This utility model relates to a kind of gastric infusion infusing device, is particularly useful for zooperal gastric infusion syringe.
Background technology
At present, when carrying out laboratory animal gastric infusion, nearly all experimenter is using common injector for medical purpose.Syringe is made up of the foraminate syringe of front end band and the cylindrical piston matched, core bar, is used for a small amount of liquid to be injected into region that it cannot be close or locally extracts out from those.But, in the practice process of carrying out laboratory animal gastric infusion, particularly for low solubility medicine, due to the columniform design in common medical syringe syringe front end, medicine precipitation blocking syringe front end aperture and gastric perfusion needle is easily there is when injecting, cause and inject resistance increase, causing medicine gastric infusion to operate cannot carry out smoothly.
Utility model content
In order to overcome above-mentioned deficiency, this utility model provides a kind of gastric infusion syringe, its objective is and avoids low solubility medicine precipitate in gastric infusion syringe and block syringe front end aperture and gastric perfusion needle, is conducive to the enforcement of low solubility medicine perfusion operation.
This utility model solves the technical scheme that its technical problem adopts:
Gastric infusion syringe, the narrow meshed syringe in the front end be made of plastics and piston, core bar composition, described syringe tube intracavity is provided with the vertical diaphragm that tube chamber to be divided into two symmetrical semi-cylindrical tube chambers by, and the piston, the core bar that match with described vertical diaphragm.
Preferably, described vertical diaphragm, along syringe axial distribution, rises from syringe front end aperture, eventually to syringe 1/2 place, and the 1/2 mutual Correspondent in place after tube chamber.
Preferably, described piston is two separated relative semi-cylindrical rubber pistons, matches with semi-cylindrical tube chamber.
Preferably, front 1/2 of described core bar is separated on longitudinal section, this core bar and the intraluminal vertical diaphragm tabling of syringe.
During gastric infusion injection, first syringe is left standstill upward by syringe aperture, push rod is toward drop-down, piston is made to move to syringe end, non-dissolved substance is deposited to syringe end, again by vertical for syringe edge diaphragm horizontal positioned, non-dissolved substance is precipitated downwards by tube chamber Correspondent place, is more slowly placed down by syringe aperture.Utilize the effect of gravity, by after tube chamber 1/2 Correspondent place, the overwhelming majority can not dissolved medicine and be transferred to one of them semi-cylindrical tube chamber, make not dissolve medicine in another semi-cylindrical tube chamber less, thus ensure when injecting low solubility drug solution, syringe front end aperture completely by the blocking of medicine precipitation, can not guarantee that perfusion operation can complete smoothly.
The beneficial effects of the utility model are, when laboratory animal gastric infusion, solve the problem that the precipitation blocking of low solubility medicine syringe front end aperture and gastric perfusion needle cause gastric infusion to carry out smoothly, are conducive to the smooth enforcement that the perfusion of low solubility medicine operates.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model;
Fig. 2 is the step schematic diagram of syringe specific embodiment;
In figure, Reference numeral is: 1-indulges diaphragm, 2-tube chamber, 3-piston, 4-core bar, 5-syringe aperture, 6-tube chamber Correspondent place, 7-push rod, 8-medicine.
Detailed description of the invention
Below in conjunction with specific embodiment, set forth this utility model further.Should be understood that these embodiments are only not used in restriction scope of the present utility model for illustration of this utility model.In addition should be understood that those skilled in the art can do various amendment or change to this utility model, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read this utility model instruction.
As shown in Figure 1, a kind of gastric infusion syringe, the syringe of the front end band aperture 5 be made of plastics and the piston 3 matched, core bar 4 form, described syringe tube intracavity is provided with the vertical diaphragm 1 that tube chamber 2 to be divided into two symmetrical semi-cylindrical tube chambers by, and the piston 3, the core bar 4 that match with described vertical diaphragm 1.Described vertical diaphragm 1 is along syringe axial distribution, rise from syringe front end aperture 5, eventually to syringe 1/2 place, the 1/2 mutual Correspondent in place after tube chamber 2, described piston 3 is two separated relative semicolumn rubber pistons, match with tube chamber 2, front 1/2 of described core bar 4 is separated on longitudinal section, vertical diaphragm 1 tabling in this core bar and syringe tube chamber 2.
As shown in Figure 2, in order to avoid blocking syringe aperture 5 during injection, during use, syringe aperture 5 is first placed by the first step upward, and push rod 7, toward drop-down, makes piston 3 move to syringe end, and non-dissolved substance 8 is deposited to syringe end.Second step is again by syringe slowly vertical diaphragm 1 horizontal positioned in edge, and non-dissolved substance 8 is precipitated downwards by tube chamber Correspondent place 6.Syringe aperture 5 is slowly placed by the 3rd step more down, utilize action of gravity, now non-dissolved substance 8 is deposited in one of them semi-cylindrical tube chamber 2, medicine is not dissolved less in another semi-cylindrical tube chamber 2, thus ensure when injecting drug solution, syringe front end aperture 5 completely by the blocking of medicine precipitation, can not guarantee that perfusion operation can complete smoothly.
Claims (4)
1. a gastric infusion syringe, the foraminate syringe of front end band be made of plastics and piston, core bar composition, it is characterized in that: described syringe tube intracavity is provided with the vertical diaphragm that tube chamber to be divided into two symmetrical semi-cylindrical tube chambers by, and the piston, the core bar that match with described vertical diaphragm.
2. gastric infusion syringe according to claim 1, is characterized in that: described vertical diaphragm, along syringe axial distribution, rises from syringe front end aperture, eventually to syringe 1/2 place, and the 1/2 mutual Correspondent in place after tube chamber.
3. gastric infusion syringe according to claim 1, is characterized in that: described piston is two separated relative semi-cylindrical rubber pistons, matches with semi-cylindrical tube chamber.
4. gastric infusion syringe according to claim 1, is characterized in that: front 1/2 of described core bar is separated on longitudinal section, this core bar and the intraluminal vertical diaphragm tabling of syringe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420808370.3U CN204337080U (en) | 2014-12-19 | 2014-12-19 | Gastric infusion syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420808370.3U CN204337080U (en) | 2014-12-19 | 2014-12-19 | Gastric infusion syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204337080U true CN204337080U (en) | 2015-05-20 |
Family
ID=53220389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420808370.3U Expired - Fee Related CN204337080U (en) | 2014-12-19 | 2014-12-19 | Gastric infusion syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204337080U (en) |
-
2014
- 2014-12-19 CN CN201420808370.3U patent/CN204337080U/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: 20150520 Termination date: 20171219 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |