CN107297001A - A kind of fixed dosage single injection gas-driven needle-less syringe - Google Patents
A kind of fixed dosage single injection gas-driven needle-less syringe Download PDFInfo
- Publication number
- CN107297001A CN107297001A CN201710651485.4A CN201710651485A CN107297001A CN 107297001 A CN107297001 A CN 107297001A CN 201710651485 A CN201710651485 A CN 201710651485A CN 107297001 A CN107297001 A CN 107297001A
- Authority
- CN
- China
- Prior art keywords
- gas
- passage
- vent plug
- single injection
- fixed dosage
- 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
- 238000002347 injection Methods 0.000 title claims abstract description 33
- 239000007924 injection Substances 0.000 title claims abstract description 33
- 239000003708 ampul Substances 0.000 claims abstract description 8
- 230000001681 protective effect Effects 0.000 claims description 10
- 230000000994 depressogenic effect Effects 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 2
- 230000008901 benefit Effects 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 206010012601 diabetes mellitus Diseases 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/30—Syringes for injection by jet action, without needle, e.g. for use with replaceable ampoules or carpules
- A61M5/3007—Syringes for injection by jet action, without needle, e.g. for use with replaceable ampoules or carpules with specially designed jet passages at the injector's distal end
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/24—Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or carpules, e.g. automatic
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31533—Dosing mechanisms, i.e. setting a dose
Abstract
The present invention discloses a kind of fixed dosage single injection gas-driven needle-less syringe, including power supply device, power unit, transmitting die cavity, gun barrel, disposable ampoule, the power supply device includes source of the gas, reversal valve and air hose, the source of the gas outlet pipe is provided with regulator and pressure gauge, the gas outlet of source of the gas is connected by the reversal valve with two air hoses, and the air hose is connected with power unit.The adjustable source of the gas output gas pressure of the present invention, realizes the injection of different parts and injection depth.
Description
Technical field
The present invention relates to medical devices field, more particularly to a kind of fixed dosage single injection gas-driven needle-less syringe.
Background technology
Needleless injector is carrying out that high-pressure jet principle need not be used so that medicine by syringe needle when medicine is injected
The thinner fluid of liquid formation, moment penetrates skin and reached subcutaneously.
Needleless injection can't see syringe needle, and the psychologically conflict to treatment will be preferably minimized, and the compliance for the treatment of will be carried
Height, especially Children with Diabetes.Needleless injection can bring many benefits to diabetic, with having greatly reduced pin injection
Device bring it is painful, injected repeatedly without injection site after the benefit such as the formation hardened.
Using power source of the brute spring as syringe much the more successful needleless injector product of in the market, small volume,
It is lightweight, easy to carry, but after the completion of per injection, in addition it is also necessary to spring is re-compressed accumulation of energy by special resetting means,
Operating process is excessively cumbersome.Extra reset energy storage equipment is not needed as power source using compressed gas, operation journey is simplified
Sequence.
The content of the invention
It is an object of the invention to provide a kind of gas-driven needle-less syringe, for big injection dosage, achievable single takes out medicine
Single injection, can carry out pressure regulation to source of the gas, not only realize the injection of different parts and depth.
To achieve the above object, the present invention uses following technical scheme：
A kind of fixed dosage single injection gas-driven needle-less syringe, it is characterised in that including：Power supply device, power unit,
Launch die cavity, hand-held protective case, chuck, gun barrel, disposable ampoule；The power unit is located at emission type intracavitary；It is described hand-held
Protective case is located at emission type intracavitary；The chuck is fixedly arranged on emission type cavity wall；The gun barrel is connected with transmitting die cavity；It is described
Disposable ampoule is detachably connected with gun barrel；The power supply device includes source of the gas, reversal valve and air hose, the source of the gas
Output pipe is provided with regulator and pressure gauge, and the gas outlet of source of the gas is connected by the reversal valve with air hose, institute
Air hose is stated with power unit to be connected.
Further, the power unit includes reverse vent plug, magnetic push rod；The reverse vent plug is provided with and magnetic push rod
Vent plug bolt, passage and the passage mutually attracted, described passage and passage one end is connected with an air hose respectively,
The other end and emission type chamber intracavity inter-connection, the vent plug bolt are provided with the through hole being connected with passage, the through hole with
Magnetic putting back-end face is vertically arranged.
Further, the reverse vent plug is provided with depressed part close to magnetic push rod one end, and the depressed part inner surface is provided with
Internal thread, the vent plug bolt surface is provided with the external screw thread screwed with internal thread, and vent plug bolt can by screw thread with reverse vent plug
Dismounting connection.
Further, the vent plug bolt material is steel, preferably AISI 1018.
Further, the passage other end is located at reverse vent plug avris, is set between the hand-held protective case and chuck
There is gas passage, described gas passage one end is connected with passage, and the other end is connected with magnetic push rod sliding space.
Further, the source of the gas is air compressor or air accumulator.
Further, the reversal valve is pedal reversal valve.
Further, the power supply device also includes counter, and the counter is connected with the reversal valve.
Further, the passage and passage are connected by Pneumatic quick connector with air hose.
Further, the Pneumatic quick connector is connected by swivelling cover with air hose.
Above-mentioned gas-driven needle-less syringe, by setting regulator on source of the gas output pipe, adjusts source of the gas output gas
Pressure value pressure value for needed for, and then change magnetic push rod emission rate, realize the injection of different parts and injection depth；Anti-
To vent plug provided with two passages, it is connected by Pneumatic quick connector with air hose and then is connected with reversal valve, this
Design is planted only by setting reversal valve on power supply device, by controlling reversal valve to make gas flow between two passages
Switching, realizes the advance and reset of magnetic push rod, compared with prior art, simplifies needleless injector body construction simple.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only one described in the present invention
A little embodiments, for those of ordinary skill in the art, can also obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is pneumatic injector structural representation of the present invention；
The schematic appearance of Fig. 2 present invention；
Fig. 3 is pneumatic injector power supply device schematic diagram of the present invention.
Wherein, above-mentioned accompanying drawing is marked including the following drawings：
1st, power supply device, 2, power unit, 3, transmitting die cavity, 4, hand-held protective case, 5, chuck, 6, gun barrel, 7, once
Property ampoule, 8, swivelling cover, 9, Pneumatic quick connector, 101, air hose, 102, reversal valve, 103, source of the gas, 104, pressure regulation dress
Put, 105, pressure gauge, 106, counter, 201, magnetic push rod, 202, vent plug bolt, 203, reverse vent plug, 203-1, ventilation
Hole, 203-2, passage, 701, injection putter, 702, injection micropore.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, by the following examples, and with reference to attached
Figure, the gas-driven needle-less syringe of the present invention is further elaborated.It should be appreciated that specific embodiment described herein
Only to explain the present invention, it is not intended to limit the present invention.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly anchored to another
On element or another element can also be fixed on by element placed in the middle.When an element be known as " connection " another
Element, it can be directly to another element or can also be that another yuan is connected to by element placed in the middle
Part.In addition, unless otherwise indicated, the description such as term " first " otherwise in specification and " second " is used only for distinguishing specification
In each component, element, step etc., without the logical relation or suitable being intended to indicate that between each component, element, step
Order relation etc..
Refer to shown in Fig. 1 and Fig. 2, in the preferred embodiment of pneumatic injector one of the invention,
A kind of fixed dosage single injection gas-driven needle-less syringe, including power supply device（1）, power unit（2）, emission type
Chamber（3）, hand-held protective case（4）, chuck（5）, gun barrel（6）, disposable ampoule（7）；The power unit（2）Located at transmitting die cavity
（3）It is interior；The hand-held protective case（4）Located at transmitting die cavity（3）It is interior；The chuck（5）It is fixedly arranged on transmitting die cavity（3）Inwall；Institute
State gun barrel and transmitting die cavity（3）It is connected；The disposable ampoule（7）With gun barrel（6）It is detachably connected；The power supply dress
Put（1）Including source of the gas（103）, reversal valve（102）And air hose（101）, the source of the gas（103）Output pipe is provided with pressure regulation
Device（104）And pressure gauge（105）, source of the gas（103）Gas outlet pass through the reversal valve（102）With air hose（101）Phase
Connection, the air hose（101）With power unit（2）It is connected.
Preferably, the power unit（2）Including reverse vent plug（203）, magnetic push rod（201）；The reverse vent plug
（203）Provided with magnetic push rod（201）The vent plug bolt mutually attracted（202）, passage（203-1）And passage（203-2）, institute
State passage（203-1）And passage（203-2）One end respectively with an air hose（101）It is connected, the other end and emission type
Chamber（3）Intracavity inter-connection, the vent plug bolt（202）It is provided with and passage（203-1）The through hole being connected, the through hole with
Magnetic push rod（201）Rear end face is vertically arranged.
Preferably, the reverse vent plug（203）Depressed part, the depressed part inner surface are provided with close to magnetic push rod one end
Provided with internal thread, the vent plug bolt（202）Surface is provided with the external screw thread screwed with internal thread, vent plug bolt（202）With it is reverse
Vent plug（203）It is detachably connected by screw thread.
Preferably, the vent plug bolt（202）Material is steel, more preferably AISI 1018.
Preferably, the passage（203-2）The other end is located at reverse vent plug（203）Avris, the hand-held protective case
（4）With chuck（5）Between be provided with gas passage, described gas passage one end and passage（203-2）It is connected, the other end and magnetic
Property push rod（201）Sliding space is connected.
Preferably, the source of the gas（103）For air compressor or air accumulator.
Preferably, the reversal valve（102）For pedal reversal valve.
Preferably, the power supply device（1）Also include counter（106）, the counter（106）Changed with described
To valve（102）It is connected.
Preferably, the passage（203-1）And passage（203-2）Pass through Pneumatic quick connector（9）It is soft with gas transmission
Pipe（101）It is connected.
Preferably, the Pneumatic quick connector（9）Pass through swivelling cover（8）With air hose（101）It is connected.
Gas-driven needle-less syringe disclosed by the invention, by setting regulator on source of the gas output pipe, adjusts source of the gas
Output gas pressure value pressure value for needed for, and then change magnetic push rod emission rate, realize different parts and injection depth
Injection.Provided with two passages on reverse vent plug, it is connected by Pneumatic quick connector with air hose and then and reversal valve
It is connected, this design on power supply device only by setting reversal valve, by controlling reversal valve to make gas flow two
Switch between individual passage, realize the advance and reset of magnetic push rod, compared with prior art, simplify needleless injector body construction
Simply.
Counter is set on reversal valve, for recording frequency injection.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and it describes more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that coming for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of fixed dosage single injection gas-driven needle-less syringe, it is characterised in that including：Power supply device（1）, power
Unit（2）, transmitting die cavity（3）, hand-held protective case（4）, chuck（5）, gun barrel（6）, disposable ampoule（7）；The power unit
（2）Located at transmitting die cavity（3）It is interior；The hand-held protective case（4）Located at transmitting die cavity（3）It is interior；The chuck（5）It is fixedly arranged on transmitting
Die cavity（3）Inwall；The gun barrel and transmitting die cavity（3）It is connected；The disposable ampoule（7）With gun barrel（6）It is detachably connected；
The power supply device（1）Including source of the gas（103）, reversal valve（102）And air hose（101）, the source of the gas（103）Output
Pipeline is provided with regulator（104）And pressure gauge（105）, source of the gas（103）Gas outlet pass through the reversal valve（102）With it is defeated
Gas flexible pipe（101）It is connected, the air hose（101）With power unit（2）It is connected.
2. a kind of fixed dosage single injection gas-driven needle-less syringe according to claim 1, it is characterised in that the power
Unit（2）Including reverse vent plug（203）, magnetic push rod（201）；The reverse vent plug（203）Provided with magnetic push rod（201）Phase
The vent plug bolt of attraction（202）, passage（203-1）And passage（203-2）, the passage（203-1）And passage
（203-2）One end respectively with an air hose（101）It is connected, the other end and transmitting die cavity（3）Intracavity inter-connection, the vent plug
Bolt（202）It is provided with and passage（203-1）The through hole being connected, the through hole and magnetic push rod（201）Rear end face is vertical
Set.
3. a kind of fixed dosage single injection gas-driven needle-less syringe according to claim 2, it is characterised in that it is described reversely
Vent plug（203）Depressed part is provided with close to magnetic push rod one end, the depressed part inner surface is provided with internal thread, the vent plug bolt
（202）Surface is provided with the external screw thread screwed with internal thread, vent plug bolt（202）With reverse vent plug（203）It is detachable by screw thread
Connection.
4. a kind of fixed dosage single injection gas-driven needle-less syringe according to Claims 2 or 3, it is characterised in that described
Vent plug bolt（202）Material is steel.
5. a kind of fixed dosage single injection gas-driven needle-less syringe according to Claims 2 or 3, it is characterised in that described
Passage（203-2）The other end is located at reverse vent plug（203）Avris, the hand-held protective case（4）With chuck（5）Between be provided with gas
Body passage, described gas passage one end and passage（203-2）It is connected, the other end and magnetic push rod（201）Sliding space phase
Connection.
6. a kind of fixed dosage single injection gas-driven needle-less syringe according to claim 1, it is characterised in that the source of the gas
（103）For air compressor or air accumulator.
7. a kind of fixed dosage single injection gas-driven needle-less syringe according to claim 1, it is characterised in that the commutation
Valve（102）For pedal reversal valve.
8. a kind of fixed dosage single injection gas-driven needle-less syringe according to claim 1, it is characterised in that the power
Feeding mechanism（1）Also include counter（106）, the counter（106）With the reversal valve（102）It is connected.
9. a kind of fixed dosage single injection gas-driven needle-less syringe according to claim 1, it is characterised in that the ventilation
Hole（203-1）And passage（203-2）Pass through Pneumatic quick connector（9）With air hose（101）It is connected.
10. a kind of fixed dosage single injection gas-driven needle-less syringe according to claim 2, it is characterised in that the gas
Dynamic snap joint（9）Pass through swivelling cover（8）With air hose（101）It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710651485.4A CN107297001A (en) | 2017-08-02 | 2017-08-02 | A kind of fixed dosage single injection gas-driven needle-less syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710651485.4A CN107297001A (en) | 2017-08-02 | 2017-08-02 | A kind of fixed dosage single injection gas-driven needle-less syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107297001A true CN107297001A (en) | 2017-10-27 |
Family
ID=60134511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710651485.4A Pending CN107297001A (en) | 2017-08-02 | 2017-08-02 | A kind of fixed dosage single injection gas-driven needle-less syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107297001A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110559524A (en) * | 2019-10-18 | 2019-12-13 | 甄小眉 | needleless injection pen |
| CN111388807A (en) * | 2020-04-07 | 2020-07-10 | 湖南省绿洲惠康发展有限公司 | Pneumatic needleless injector |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB662943A (en) * | 1948-01-30 | 1951-12-12 | Becton Dickinson Co | Injection device |
| CN103977484A (en) * | 2014-05-14 | 2014-08-13 | 苏州大学张家港工业技术研究院 | Pneumatic magnetic energy storage needleless syringe |
| CN203861698U (en) * | 2014-05-14 | 2014-10-08 | 苏州大学张家港工业技术研究院 | Pneumatic energy storage type needleless injector |
| CN105498047A (en) * | 2016-01-14 | 2016-04-20 | 江苏丞宇米特医疗科技有限公司 | Low-pressure needle-free injection device |
| CN205672306U (en) * | 2016-04-21 | 2016-11-09 | 南京中医药大学 | A kind of pneumatic doser |
| CN208552738U (en) * | 2017-08-02 | 2019-03-01 | 江苏丞宇米特医疗科技有限公司 | A kind of fixed dosage single injection gas-driven needle-less syringe |
-
2017
- 2017-08-02 CN CN201710651485.4A patent/CN107297001A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB662943A (en) * | 1948-01-30 | 1951-12-12 | Becton Dickinson Co | Injection device |
| CN103977484A (en) * | 2014-05-14 | 2014-08-13 | 苏州大学张家港工业技术研究院 | Pneumatic magnetic energy storage needleless syringe |
| CN203861698U (en) * | 2014-05-14 | 2014-10-08 | 苏州大学张家港工业技术研究院 | Pneumatic energy storage type needleless injector |
| CN105498047A (en) * | 2016-01-14 | 2016-04-20 | 江苏丞宇米特医疗科技有限公司 | Low-pressure needle-free injection device |
| CN205672306U (en) * | 2016-04-21 | 2016-11-09 | 南京中医药大学 | A kind of pneumatic doser |
| CN208552738U (en) * | 2017-08-02 | 2019-03-01 | 江苏丞宇米特医疗科技有限公司 | A kind of fixed dosage single injection gas-driven needle-less syringe |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110559524A (en) * | 2019-10-18 | 2019-12-13 | 甄小眉 | needleless injection pen |
| CN111388807A (en) * | 2020-04-07 | 2020-07-10 | 湖南省绿洲惠康发展有限公司 | Pneumatic needleless injector |
| CN114618055A (en) * | 2020-04-07 | 2022-06-14 | 湖南省绿洲惠康发展有限公司 | Pneumatic needleless injector and injection method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171027 |
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| RJ01 | Rejection of invention patent application after publication |