CN205460226U - Disposable pneumatic needleless injector - Google Patents
Disposable pneumatic needleless injector Download PDFInfo
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- CN205460226U CN205460226U CN201620027827.6U CN201620027827U CN205460226U CN 205460226 U CN205460226 U CN 205460226U CN 201620027827 U CN201620027827 U CN 201620027827U CN 205460226 U CN205460226 U CN 205460226U
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- needleless
- needleless injector
- cylinder
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Abstract
The utility model relates to a syringe technical field specifically discloses a disposable pneumatic needleless injector, including the barrel, install in the front end of barrel just is used for the needleless unguent storage tube of splendid attire injection or bacterin, the end of barrel is the end cover, be equipped with the power chamber of depositing the little steel bottle of disposable storage pressure, the controlling means who is used for controlling syringe work, energy storage cavity, zhong gai, sealed damping device, piston, piston push rod in proper order from end to front end in the barrel, piston push rod is connected with rubber piston, rubber piston is located in the needleless unguent storage tube, controlling means includes button switch, valve body, case, spring component, there is safeties in button switch department for prevent user's maloperation. The utility model has the advantages that, greatly simplified trigger with advancing device's structure, convenient operation, with low costs, injection efficiency is high, the reliability is high.
Description
Technical field
This utility model relates to injector technology field, particularly relates to a kind of disposable pneumatic needleless injector.
Background technology
Traditional syringe is by a kind of injection system of infusion of medicine human body by rustless steel syringe needle, this injection system easily causes local skin infringement, hemorrhage, the situation such as swell and ache, not only pain is notable, and make most of patients (especially infant) produce fear, it is also possible to cause the danger of injection site infection.Needleless injection techniques utilizes high-pressure spray principle, makes medicinal liquid form thinner liquid stream, and moment penetrates skin and arrives subcutaneous, because the change of injection principle, medicinal liquid is at subcutaneous Dispersed precipitate, and onset time, faster drug absorption rate was higher, can avoid the problems referred to above completely.
According to incompletely statistics, tens of manufacturers are the most abroad had to produce nearly hundred kinds of needleless injector products the most in specie, in terms of this technology of developed country is the most progressively applied to clinical treatment and family health care.China is still in starting stage, the most only only a few Ji Jia domestic enterprise and can produce this series products the research of needleless injection techniques.
Needleless injector kind the most on the market is the most single, is mainly used for the needleless device of injection of insulin, and it drives power mainly to use spring powered, but plastic injection quality is compared external business men equipment and also had a certain distance, and while price comparison is high.
The reason causing current needleless injector market receptance the highest mainly has: syringe price is prohibitively expensive, and for ordinary populace, cost performance is the lowest；The performance factor of power spring causes injection pressure not enough, it is impossible to injecting by expection requirement, the reliability neither one of injection preferably ensures.
Utility model content
The purpose of this utility model is to provide a kind of disposable pneumatic needleless injector, and low cost, injection efficiency are high, reliability is high.
To achieve these goals, this utility model have employed following technical scheme: disposable pneumatic needleless injector, the front end including cylinder, being installed on described cylinder and for containing the needleless drug storage pipe of injection or vaccine；The end of described cylinder is end cap；It is followed successively by from end to front end in described cylinder and places the power cavity of disposable storage pressure small steel cylinder, control device, energy-storing chamber, middle cover, sealing damping unit, piston, piston push rod；Described piston push rod connects has rubber piston, described rubber piston to be positioned at described needleless drug storage pipe.
Wherein, described control device includes press button, valve body, spool, spring, is provided with safety at described press button.
Wherein, in described valve body, have a through hole being connected with storage pressure small steel cylinder, and valve body is provided with the device puncturing disposable storage pressure small steel cylinder in the connected mouth in disposable storage pressure small steel cylinder side；Described valve body is used for cutting off the spool of air-flow break-make built with one, and spool is connected with described press button；A circular hole parallel with described through hole is had on described spool.
More optimizedly, described middle cover center has a taper hole.
More optimizedly, described piston is provided with sealing damping unit near middle cover side.
The beneficial effects of the utility model are: after using said structure, power source uses gases at high pressure power source to provide dynamic impact problem, percussion mechanism uses piston, trigger control device uses discharge cock to realize the control working whole equipment, and medicine loads and the external needleless drug storage pipe of mjector employing self not encapsulated drug.
This utility model is compared existing market needleless injector and is had the advantage that
Reliably injection effect, it is ensured that good drug absorption effect；
Owing to this syringe is disposable products, forbidden so there is not dynamic Control, and then affected the situation of syringe injection effect, so the injection effect of syringe can be had a reliable guarantee；
Relatively low cost, has the bigger market advantage, and market acceptance is relatively big, and beneficially needleless injector is universal.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment technical scheme, in describing embodiment below, the required accompanying drawing used is briefly described, apparently, accompanying drawing only this utility model in describing below is in order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below the accompanying drawing used required in p-embodiment or description of the prior art is briefly described, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of this utility model state to be injected；
Fig. 2 is the structural representation that this utility model has injected state.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
Disposable pneumatic needleless injector as shown in Figure 1, the front end including cylinder 2, being installed on described cylinder 2 and for containing the needleless drug storage pipe 1 of injection or vaccine；The end of described cylinder 2 is end cap 13；It is followed successively by the power cavity 7 of placement disposable storage pressure small steel cylinder 10 from end to front end, controls device, energy-storing chamber 11, middle cover 5, sealing damping unit 12, piston 4, piston push rod 3 in described cylinder 2；Described piston push rod 3 connects has rubber piston 31, described rubber piston 31 to be positioned at described needleless drug storage pipe 1.
Described control device includes press button 9, valve body 6, spool 63, spring 61, is provided with safety 8 at described press button 9.Have a through hole 62 being connected with storage pressure small steel cylinder 10 in described valve body 6, and valve body 6 is provided with the device puncturing disposable storage pressure small steel cylinder 10 in the connected mouth in disposable storage pressure small steel cylinder 10 side；Described valve body 6 is used for cutting off the spool 63 of air-flow break-make built with one, and spool 63 is connected with described press button 9；A circular hole 64 parallel with described through hole 62 is had on described spool 63.
More optimizedly, described middle cover 5 center has a taper hole 51.It is provided with sealing damping unit 12 near middle cover 5 side on described piston 4.
It is screwed into power cavity 7 by disposably storing up pressure small steel cylinder 10, unscrew again a bit after steel cylinder is tightened by end cap 13, then needleless drug storage pipe 1 is tightened in the front end of described cylinder 2, now syringe has been in injectable state, in order to prevent the situations such as maloperation, syringe safety 8 should be made reliably to be in safety position；When injecting, safety 8 are removed, pressing the button switch 9, spool 63 is descending, and the gas in steel cylinder passes valve body 6, enter energy-storing chamber 11, shake off after reaching certain pressure and damp the taper hole 51 through middle cover 5, promote at a high speed piston 4 action, and then needleless drug storage pipe piston push rod 3 action, just can carry out injection operation, be discardable syringe after having injected.
In whole equipment, the selection of high voltage power source of the gas has a direct impact for serviceability and reliability, safety, the cost of equipment, in view of Group-oriented of the present utility model and market orientation, choose the standard of high-pressure air source: volume is little, safety is high, will have bigger storage pressure energy power, selects accumulation of energy better performances for this, safe and reliable disposable storage pressure small steel cylinder 10 is used as power source, such that it is able to make syringe cost be greatly lowered.
This product is disposable products, makes every effort to simple in construction, safe and reliable, low cost the most under the premise that security is guaranteed so designing in equipment selection and structure.
The foregoing is only preferred embodiment of the present utility model; not in order to limit this utility model; all within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (5)
- The most disposable pneumatic needleless injector, it is characterised in that: include cylinder (2), be installed on the front end of described cylinder (2) and for containing needleless drug storage pipe (1) of injection or vaccine；The end of described cylinder (2) is end cap (13)；It is followed successively by the power cavity (7) of disposable storage pressure small steel cylinder (10) of placement from end to front end, controls device, energy-storing chamber (11), middle cover (5), sealing damping unit (12), piston (4), piston push rod (3) in described cylinder (2)；Described piston push rod (3) connects has rubber piston (31), described rubber piston (31) to be positioned at described needleless drug storage pipe (1).
- The most disposable pneumatic needleless injector, it is characterized in that: described control device includes press button (9), valve body (6), spool (63), spring (61), described press button (9) place is provided with safety (8).
- The most disposable pneumatic needleless injector, it is characterized in that: in described valve body (6), have a through hole (62) being connected with storage pressure small steel cylinder (10), and valve body (6) is provided with the device puncturing disposable storage pressure small steel cylinder (10) in the connected mouth in disposable storage pressure small steel cylinder (10) side；Described valve body (6) is used for cutting off the spool (63) of air-flow break-make built with one, and spool (63) is connected with described press button (9)；A circular hole (64) parallel with described through hole (62) is had on described spool (63).
- The most disposable pneumatic needleless injector, it is characterised in that: described middle cover (5) center has a taper hole (51).
- The most disposable pneumatic needleless injector, it is characterised in that: described piston (4) is upper is provided with sealing damping unit (12) near middle cover (5) side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620027827.6U CN205460226U (en) | 2016-01-13 | 2016-01-13 | Disposable pneumatic needleless injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620027827.6U CN205460226U (en) | 2016-01-13 | 2016-01-13 | Disposable pneumatic needleless injector |
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| Publication Number | Publication Date |
|---|---|
| CN205460226U true CN205460226U (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620027827.6U Active CN205460226U (en) | 2016-01-13 | 2016-01-13 | Disposable pneumatic needleless injector |
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| CN (1) | CN205460226U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105498046A (en) * | 2016-01-13 | 2016-04-20 | 北京步腾医学科技有限公司 | Pneumatic needleless injector |
| CN105498044A (en) * | 2016-01-13 | 2016-04-20 | 北京步腾医学科技有限公司 | Disposable pneumatic needleless injector and using method thereof |
| CN106620966A (en) * | 2016-11-28 | 2017-05-10 | 合肥讯创信息科技有限公司 | Needleless injector achieving automatic resetting |
| CN113750324A (en) * | 2020-06-02 | 2021-12-07 | 京华堂实业股份有限公司 | Needleless injection device |
-
2016
- 2016-01-13 CN CN201620027827.6U patent/CN205460226U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105498046A (en) * | 2016-01-13 | 2016-04-20 | 北京步腾医学科技有限公司 | Pneumatic needleless injector |
| CN105498044A (en) * | 2016-01-13 | 2016-04-20 | 北京步腾医学科技有限公司 | Disposable pneumatic needleless injector and using method thereof |
| CN106620966A (en) * | 2016-11-28 | 2017-05-10 | 合肥讯创信息科技有限公司 | Needleless injector achieving automatic resetting |
| CN106620966B (en) * | 2016-11-28 | 2019-12-27 | 杨延萍 | Automatic reset needleless injector |
| CN113750324A (en) * | 2020-06-02 | 2021-12-07 | 京华堂实业股份有限公司 | Needleless injection device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |