CN102940918A - Mixing pre-filled and sealed injector structure - Google Patents
Mixing pre-filled and sealed injector structure Download PDFInfo
- Publication number
- CN102940918A CN102940918A CN2012104212433A CN201210421243A CN102940918A CN 102940918 A CN102940918 A CN 102940918A CN 2012104212433 A CN2012104212433 A CN 2012104212433A CN 201210421243 A CN201210421243 A CN 201210421243A CN 102940918 A CN102940918 A CN 102940918A
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- CN
- China
- Prior art keywords
- overcoat
- piston
- plug
- solute
- syringe
- 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.)
- Pending
Links
- 239000002904 solvent Substances 0.000 claims abstract description 35
- 239000007788 liquid Substances 0.000 claims abstract description 25
- 239000003814 drug Substances 0.000 claims description 12
- 239000011148 porous material Substances 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 6
- 238000004321 preservation Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000010923 batch production Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 241001149930 Protura <class> Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000000857 drug effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 239000008155 medical solution Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000008215 water for injection Substances 0.000 description 1
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Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention provides a mixing pre-filled and sealed injector structure, which is simple in structure, simple in filling of a solute and a solvent, low in production cost and easy for batch production. The mixing pre-filled and sealed injector structure comprises a solute injector and a solvent injector, wherein the solute injector specifically comprises a core rod, an outer sleeve, a piston and a plug; the core rod is mounted in an inner cavity of the outer sleeve; the piston is sleeved at the front end of the core rod; the annular surface of the outer edge of the piston clings to the inner wall of the outer sleeve; a solute cavity is formed between the lower end surface of the piston and the inner wall of the outer sleeve at the lower part of the piston; and the plug is sleeved at a front-end outlet of the outer sleeve. The mixing pre-filled and sealed injector is characterized in that a liquid hole and an air hole are formed in the side wall in the middle of the outer sleeve of the solute injector; a rubber sleeve is sleeved to the side wall of the outer sleeve, which is provided with the liquid hole and the air hole; and an air guide hole is formed in a position of the rubber sleeve, which corresponds to the air hole.
Description
Technical field
The present invention relates to the technical field of syringe construction, be specially the syringe construction of the mixed pre-embedding of medicine.
Background technology
To extract solvent (water for injection etc.) out with syringe first in traditional injector operations process, again syringe needle is penetrated solute bottle (injectable powder or aqueous injection), then release solvent and mix with solute and dissolve, extract again at last admixing medical solutions out and could inject or to dosing in the infusion bottle human body in the syringe.This operational approach not only program is complicated, and nurse's amount of labour is large, and medicinal liquid will through shifting several times, easily pollute.The most important thing is easily to occur causing the generation of malpractice because of wrong medicine, until jeopardize patient's life security.
Existing pre-encapsulated injector, they all are to be potted in the syringe after medicine is prepared.Because this pre-encapsulated injector is produced patient's use there is the regular hour, because mix in syringe for a long time after solvent and solute mix and cause solvent and solvent hybrid reaction or solvent and solute hybrid reaction or solute and solute hybrid reaction or solute and solvent qualitative change, this also just reduces the side effect that drug effect also has medicine simultaneously.
Existing mixed medicine pre-encapsulated injector, their structure is very complicated, solute and solvent fill trouble, mixed drug anesthesia is tired of before the injection, production cost is very high, is difficult to realize mass production.
Summary of the invention
For the problems referred to above, the invention provides the syringe construction of the mixed pre-embedding of medicine, it is simple in structure, and solute and solvent fill are simple, and production cost is low, easily realizes mass production.
Mixed medicine pre-encapsulated injector structure, its technical scheme is such: it comprises the solute syringe, the solvent syringe, described solute syringe specifically comprises core bar, overcoat, piston, stopper, the inner chamber of described overcoat is equipped with described core bar, the front end sleeve of described core bar is equipped with described piston, the outer rim anchor ring of described piston is close to the inwall of described overcoat, form the molten chamber of solute between the inwall of the lower surface of described piston and the described overcoat of its underpart, the front end exit of described overcoat is set with described stopper, it is characterized in that: the sidewall of the medium position of the overcoat of described solute syringe has the liquid hole, pore, gum cover is set in the corresponding described liquid hole that has, the sidewall locations of the overcoat of pore, the position corresponding to described pore of described gum cover has gas port, described gas port is communicated with described pore, described gum cover has delivery hole corresponding to the position in described liquid hole, described delivery hole is communicated with described liquid hole, liquid plug plug under the preservation state is loaded on described delivery hole, gas plug plug is loaded on described gas port, described gas plug is air filtering plug, described air filtering plug gas-permeable, liquid-impermeable, the tail end inwall of described overcoat is provided with spacing ring, described liquid plug breaks away from described delivery hole during mixing, the front-end-cone screw plug of solvent syringe is loaded in the described delivery hole, and the liquid outlet of described solvent syringe is communicated with described delivery hole.
It is further characterized in that: described solvent syringe specifically comprises core bar, overcoat, piston, stopper, the inner chamber of described overcoat is equipped with described core bar, the front end sleeve of described core bar is equipped with described piston, the outer rim anchor ring of described piston is close to the inwall of described overcoat, the front-end-cone headgear of described overcoat is equipped with described stopper, forms the molten chamber of solvent between the inwall of the lower surface of described piston and the described overcoat of its underpart.
After using structure of the present invention, with the solute fill in the molten intracavity of the solute of solute syringe, with the solvent fill in the solvent syringe, packaging sterilizing is waited to go on the market, when needing to use, pull out liquid plug, solvent syringe front-end-cone screw plug is loaded in the described delivery hole, so that the liquid outlet of solvent syringe is communicated with delivery hole, the core bar of pulling solute syringe, piston is pulled to the position of the spacing ring of overcoat, the effect of spacing ring is to prevent that piston is pulled the position that surpasses restriction when the pulling piston, and the gas plug is by advancing, go out internal pressure and atmospheric pressure balance that gas keeps the molten chamber of solute; Pushing solvent syringe, solvent enters the molten intracavity of solute smoothly, injects and pulls out the solvent syringe after finishing; Vibrations solute syringe makes solvent and solute at mixed medicine pre-encapsulated injector mix homogeneously, spin off stopper, promote the drain gas in the molten chamber of solute of core bar, the injector is injected at once, throw away after the injection, it is simple in structure, and solute and solvent fill are simple at once, production cost is low, easily realizes mass production.
Description of drawings
Fig. 1 is the sectional structure schematic diagram under the admixture of the present invention;
Fig. 2 is the front view structural representation of solute syringe of the present invention;
Fig. 3 is the A-A cutaway view structural representation of Fig. 2.
The specific embodiment
See Fig. 1, Fig. 2, Fig. 3, it comprises solute syringe 1, solvent syringe 2, the solute syringe specifically comprises core bar 3, overcoat 4, piston 5, stopper 6, the inner chamber of overcoat 4 is equipped with core bar 3, the front end sleeve of core bar 3 is equipped with piston 5, the outer rim anchor ring of piston 5 is close to the inwall of overcoat 4, form the molten chamber 7 of solute between the inwall of the lower surface of piston 5 and the overcoat of its underpart 4, the front end exit of overcoat 4 is set with stopper 6, the sidewall of the medium position of outer 4 covers of solute syringe 1 has liquid hole 8, pore 9, gum cover 10 is set in the corresponding liquid hole 8 that has, the sidewall locations of the overcoat 4 of pore 9, the position corresponding to pore 9 of gum cover 10 has gas port 11, gas port 11 is communicated with pore 9, gum cover 10 has delivery hole 12 corresponding to the position in liquid hole 8, delivery hole 12 connects liquid-through hole 8, liquid plug 13 plugs under the preservation state are loaded on delivery hole 12, gas plug 14 plugs are loaded on gas port 11, gas plug 14 is air filtering plug, the air filtering plug gas-permeable, liquid-impermeable, the tail end inwall of overcoat 4 is provided with spacing ring 15, liquid plug 13 breaks away from delivery hole 12 during mixing, front end conehead 16 plugs of solvent syringe 2 are loaded in the delivery hole 12, and the liquid outlet 17 of solvent syringe 2 is communicated with delivery hole 12.
Claims (2)
1. mix medicine pre-encapsulated injector structure, it comprises the solute syringe, the solvent syringe, described solute syringe specifically comprises core bar, overcoat, piston, stopper, the inner chamber of described overcoat is equipped with described core bar, the front end sleeve of described core bar is equipped with described piston, the outer rim anchor ring of described piston is close to the inwall of described overcoat, form the molten chamber of solute between the inwall of the lower surface of described piston and the described overcoat of its underpart, the front end exit of described overcoat is set with described stopper, it is characterized in that: the sidewall of the medium position of the overcoat of described solute syringe has the liquid hole, pore, gum cover is set in the corresponding described liquid hole that has, the sidewall locations of the overcoat of pore, the position corresponding to described pore of described gum cover has gas port, described gas port is communicated with described pore, described gum cover has delivery hole corresponding to the position in described liquid hole, described delivery hole is communicated with described liquid hole, liquid plug plug under the preservation state is loaded on described delivery hole, gas plug plug is loaded on described gas port, described gas plug is air filtering plug, described air filtering plug gas-permeable, liquid-impermeable, the tail end inwall of described overcoat is provided with spacing ring, described liquid plug breaks away from described delivery hole during mixing, the front-end-cone screw plug of solvent syringe is loaded in the described delivery hole, and the liquid outlet of described solvent syringe is communicated with described delivery hole.
2. mixed medicine pre-encapsulated injector structure according to claim 1, it is characterized in that: described solvent syringe specifically comprises core bar, overcoat, piston, stopper, the inner chamber of described overcoat is equipped with described core bar, the front end sleeve of described core bar is equipped with described piston, the outer rim anchor ring of described piston is close to the inwall of described overcoat, the front-end-cone headgear of described overcoat is equipped with described stopper, forms the molten chamber of solvent between the inwall of the lower surface of described piston and the described overcoat of its underpart.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104212433A CN102940918A (en) | 2012-10-30 | 2012-10-30 | Mixing pre-filled and sealed injector structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104212433A CN102940918A (en) | 2012-10-30 | 2012-10-30 | Mixing pre-filled and sealed injector structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102940918A true CN102940918A (en) | 2013-02-27 |
Family
ID=47723970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104212433A Pending CN102940918A (en) | 2012-10-30 | 2012-10-30 | Mixing pre-filled and sealed injector structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102940918A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110433390A (en) * | 2019-07-31 | 2019-11-12 | 贵州千叶药品包装有限公司 | It is a kind of suitable for pulvis or the vaginal administration device of powder-injection |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1507360A (en) * | 2000-05-22 | 2004-06-23 | �ź㴫 | Medical arrangement |
| CN2843488Y (en) * | 2005-11-04 | 2006-12-06 | 王建 | Syringe with medicament |
| CN101940807A (en) * | 2010-09-02 | 2011-01-12 | 柯丽红 | Automatic exhaust medicinal intravenous infusion set |
| CN202982796U (en) * | 2012-10-30 | 2013-06-12 | 无锡耐思生物科技有限公司 | Structure of mixed drug pre-filled syringe |
-
2012
- 2012-10-30 CN CN2012104212433A patent/CN102940918A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1507360A (en) * | 2000-05-22 | 2004-06-23 | �ź㴫 | Medical arrangement |
| CN2843488Y (en) * | 2005-11-04 | 2006-12-06 | 王建 | Syringe with medicament |
| CN101940807A (en) * | 2010-09-02 | 2011-01-12 | 柯丽红 | Automatic exhaust medicinal intravenous infusion set |
| CN202982796U (en) * | 2012-10-30 | 2013-06-12 | 无锡耐思生物科技有限公司 | Structure of mixed drug pre-filled syringe |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110433390A (en) * | 2019-07-31 | 2019-11-12 | 贵州千叶药品包装有限公司 | It is a kind of suitable for pulvis or the vaginal administration device of powder-injection |
| CN110433390B (en) * | 2019-07-31 | 2025-03-04 | 贵州千叶药品包装有限公司 | A vaginal drug delivery device suitable for powder or powder injection |
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| PB01 | Publication | ||
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| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130227 |