CN102652848A - Electromagnetic continuous needleless injector with dose and injection depth adjusting faction - Google Patents
Electromagnetic continuous needleless injector with dose and injection depth adjusting faction Download PDFInfo
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- CN102652848A CN102652848A CN2010102662840A CN201010266284A CN102652848A CN 102652848 A CN102652848 A CN 102652848A CN 2010102662840 A CN2010102662840 A CN 2010102662840A CN 201010266284 A CN201010266284 A CN 201010266284A CN 102652848 A CN102652848 A CN 102652848A
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Abstract
The invention provides an electromagnetic continuous needleless injector with a dose and injection depth adjusting faction. The injector mainly comprises the following parts: a drug tube, coils, an iron core, a dose adjusting device and an electronic control system, wherein the drug tube is used for carrying and injecting drugs. The injector depends on the electromagnetic coils and the iron core to provide driving forces, realizes continuous injection through working of two check valves, adjusts the injected dose by relatively rotating the iron core and a stop and adjusts the injection depth by adopting a switch arranged on a shell to adjust the voltage output by a control circuit. The injector has the advantages of small product volume, light weight, simple structure, large single injected dose and low production cost.
Description
Technical field
This patent relates to technical field of medical instruments, is a kind of needleless injector of continuous injection of the human or animal's of being used for injecting fluid medicine.
Background technology
Needleless injector is that a kind of external power supply of passing through is given the pressurization of liquid medicine, and makes liquid drug pass through very thin micropore with the form of high-voltage high-speed, and transdermal enters into intravital a kind of injection device.Liquid drug can directly not penetrate human or animal's skin through syringe needle and enter in the body.
The injection needleless injector is to connect big reserves medicine bottle and needleless injector through a drug channel continuously, and realizes and can after injection, get it filled automatically, prepares the needleless injector of injection next time.Automatic needleless injection machine can be realized high efficiency injection continuously.For example, use in a large amount of human or animals' collective's liquid drug immunity or treatment.
Continuously the needleless injector of injection has air pressure, piezoelectric ceramics is arranged, and electromagnetic type is also arranged.The continuous needleless injection device weakness of vapour-pressure type is to need the gases at high pressure source.The cost of piezoelectric ceramic type is high, volume is big, be unfavorable for carrying.Electronic continuous injection needleless injector also exists motor-driven and electromagnetism directly to drive.The weakness of motor-driven continuous injection needleless injector is that cost is high, complex structure.The needleless injector technology of the relatively above kind of needleless injector that electromagnetism directly drives has that volume is little, in light weight, simple in structure, low cost of manufacture, advantage that reliability is high.
The needleless injector of Electromagnetic Drive has had many patents to get the Green Light at home, but great majority are just once got it filled and can only be injected once.It is few that the continuous injection needleless injector of Electromagnetic Drive gets the Green Light at home, but also have many shortcoming and defect.For example: the power-actuated continuous needleless injection system of 200910153212.2 electromagnetism, structure is too complicated in this patent, and manufacturing cost is high, and does not mention the problem of adjustment ID and injection depth.
Summary of the invention
The purpose of this patent provides a kind of electric energy that uses, the needleless injector that can adjust ID, can adjust injection depth and can inject continuously.It will reach simultaneously, and volume is little, in light weight, simple in structure, single injection dosage big, the requirement of low production cost.
For realizing above-mentioned purpose, this patent adopts following design.
The continuous injection needleless injector of electromagnetic type adjustable dosage and injection depth mainly comprises following a few part, is used to take up pencil, coil, iron core, dosage adjusting device, electronic control system with drug for injection.
There are piston and seal in the inside of pencil, and it can disassemble from the main body of syringe and carry out disinfection or change.The head of pencil has a pore, and tail end is useful on the screw thread of connection.Also have a little spring and ball in the pencil, effect is to guarantee that the process of getting it filled after the injection can not suck air from the outside, plays back the effect that ends.There is an interface can connect medicine bottle in the side of pencil.When getting it filled, medicine flow into the pencil from this interface at every turn.Equally by a time only valve of forming by spring and bead, guarantee that medicine can not pushed back in the medicine bottle in injection process in the interface.
Coil and iron core provide the parts of motive force, after passing through electric current in the coil, produce magnetic field, and the magnetization iron core.Iron core after being magnetized and coil produce captivation.Through graviational interaction, make iron core to pencil direction motion, promote push rod and make push rod with piston forward moves, accomplish the process of promotion.
Dosage adjusting device mainly is to be made up of iron core and stops.Iron core is connected through self-locking thread with stops.Reach the position of adjustment iron core motion stop through relative rotary iron core and stops, thereby reach the purpose of adjustment dosage.
The adjustment of injection depth mainly realizes that through the voltage that changes coil voltage is high more, and the magnetic field that solenoid produces is strong more, and the movement velocity of iron core is just fast more, and injection depth is just dark more.The voltage method that changes coil belongs to the known technology of comparative maturity.Its adjustment is to realize through the switch that is arranged on the shell.
Description of drawings
Fig. 1 is the structural representation (medicine injection back moment) of patent of the present invention
Fig. 2 is the preceding state diagram of patent drug injection of the present invention
The structural representation of Fig. 3 pencil
The specific embodiment
Referring to Fig. 1, shown in Figure 2; The continuous injection needleless injector of electromagnetic type adjustable dosage and injection depth, it mainly comprises pencil (1), medicine-introducing pipe (2), push rod (3), safety switch (4), medicine (5), medicine bottle (6), coil (7), dosage adjustments supplemental button (8), stops (9), return spring (10), shell (11), iron core (12), power line (13), control circuit (14), injection button (15).
Referring to shown in Figure 3, pencil (1) comprising: pencil head (1-1), inject back only spring (1-2), injection check ball (1-3), the check ball of getting it filled (1-4), get it filled back and end spring (1-5), the joint of getting it filled (1-6), pencil wall (1-7), piston (1-8), seal (1-9).
Referring to Fig. 2; During injection, press injection button (15), offer (7) DC voltages of coil through control circuit (14); Make coil (7) produce magnetic field; Magnetizes iron core (12) and produce captivation, (12) are moving moving to the pencil direction to make iron core, iron core (12) promotes the push rod (3) through being threaded, push rod (3) promotes piston (1-3) and makes the very big pressure of medicine generation with seal (1-9).Medicine is pushed injection check ball (1-3) open, and makes inject back and end spring (1-2) and compress, and flow in the pencil head (1-1), and sprays from aperture.Be expelled in human or animal's the body, moment is as shown in Figure 1 after the medicine injection.
After injection finished, coil cut off the power supply under circuit control.Injection check ball (1-3).Injecting back return and sealing under the effect that ends spring (1-2), prevent that medicine from flowing in the pencil wall (1-7) from pencil head (1-1).Iron core receives the effect of return spring (10), does returning movement.Driving push rod (3), piston (1-8), seal (1-9) simultaneously together moves.Pencil wall (1-7) produces negative pressure, and negative pressure makes only spring (1-5) compression of getting it filled back, and the check ball (1-4) of getting it filled simultaneously moves downward, and medicine (5) is inhaled in the pencil wall (1-7) from medicine bottle (6).When moving to shell (11), iron core (12) stops when contacting.Push rod (3), piston (1-8), also stop motion of seal (1-9).Negative pressure in the pencil wall (1-7) disappears, and the check ball of getting it filled (1-4) ends under the effect of spring (1-5) getting it filled back, comes back to sealing state, just can inject next time.
The dosage adjustments of the continuous injection needleless injector of electromagnetic type adjustable dosage and injection depth realizes through relative rotary iron core (12) and stops (9).When needs adjustment dosage, be inserted in the shell (11) from shell (11) aperture at the back with a spanner that can rotate interior hexagonal (or other structures), and combine with interior hexagonal (or other structures) on the iron core (12).Firmly push iron core (12), the elastic force that makes iron core overcome return spring (10) arrives the position of injection stop, and is as shown in Figure 1.At this moment indicate scale that graduated push rod (3) exposes the interface of pencil through observation and confirm what of ID.Rotary spanner is pushed dosage adjustments supplemental button (8) simultaneously, and the vertical cylinder of dosage adjustments supplemental button (8) can be embedded in the groove on the stops (9).Keep pushing dosage adjustments supplemental button (8) stops (9) can not be rotated again, rotary spanner makes the rotation relatively of iron core (12) and stops (9).Push spanner after the rotation once more, observe the scale on the push rod (3), until adjusting to the dosage of preparing injection.The relative rotation of iron core (12) and stops (9) changes the motion stop of iron core (12), makes iron core (12) move to position and the stop motion of stops (9), thereby changes ID.
It is through changing control circuit (14) output voltage of coil (7) to be controlled that the continuous injection needleless injector injection depth of electromagnetic type adjustable dosage and injection depth is regulated.Change control circuit (14) is to realize through the switch that is arranged on the shell (11) to the output voltage of coil (7).
Safety switch (4) is used to reduce the needleless injector mistake and changes the injury risk and empty injection damage to syringe of work to the people, and when not having pencil (1) to install, safety switch (4) breaks off.Push injection button (15) needleless injector and can not work this moment, has after pencil (1) is installed, and the terminal strong safety switch (4) of pencil (1) is connected, and after the connection, connects and press injection button (15), and needleless injector just can be worked.
Claims (6)
1. the continuous injection needleless injector of electromagnetic type adjustable dosage and injection depth, it mainly comprises pencil, medicine-introducing pipe, push rod, safety switch, medicine, medicine bottle, coil, dosage adjustments supplemental button, stops, return spring, shell, iron core, power line, control circuit, injection button.Pencil is used to get it filled and the injecting fluid medicine.Coil and iron core are used to produce motive force, provide Needleless injection necessary thrust to medicine.Return spring plays iron core return and the effect of getting it filled.The dosage adjustments supplemental button is used for the dosage adjustments of auxiliary needleless injector.Safety switch plays the effect of protection human body and syringe.
2. the continuous injection needleless injector of electromagnetic type adjustable dosage according to claim 1 and injection depth is characterized in that: single coil and iron core do not need other any auxiliary device as the parts that motive force is provided.
3. the continuous injection needleless injector of electromagnetic type adjustable dosage according to claim 1 and injection depth is characterized in that: used return spring as giving iron core return and unique power of getting it filled.
4. the continuous injection needleless injector of electromagnetic type adjustable dosage according to claim 1 and injection depth is characterized in that: used through the iron core that is threaded and the stops parts as dosage adjustments.Can reach the purpose of adjustment dosage through their relative rotation.Simultaneously can indicate the scale that graduated push rod exposes the pencil seam and confirm ID through observation.
5. the continuous injection needleless injector of electromagnetic type adjustable dosage according to claim 1 and injection depth is characterized in that: be provided with a safety switch at the rear of pencil, be used for preventing the damage and empty injection damage to syringe of maloperation to human body.
6. the continuous injection needleless injector of electromagnetic type adjustable dosage according to claim 1 and injection depth is characterized in that: the switch through being arranged on the shell is regulated the voltage that control circuit provides coil, to reach the purpose of regulating injection depth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102662840A CN102652848A (en) | 2010-08-30 | 2010-08-30 | Electromagnetic continuous needleless injector with dose and injection depth adjusting faction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102662840A CN102652848A (en) | 2010-08-30 | 2010-08-30 | Electromagnetic continuous needleless injector with dose and injection depth adjusting faction |
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| CN102652848A true CN102652848A (en) | 2012-09-05 |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103977483A (en) * | 2014-05-14 | 2014-08-13 | 苏州大学张家港工业技术研究院 | Electromagnetic energy storage type needleless injector |
| CN105709311A (en) * | 2016-01-18 | 2016-06-29 | 华南农业大学 | Needleless injector based on piezoelectric conversion and using method of needleless injector |
| CN107427640A (en) * | 2015-04-10 | 2017-12-01 | 株式会社大赛璐 | Syringe |
| WO2018035956A1 (en) * | 2016-08-24 | 2018-03-01 | 孙瑞秀 | Injection device having storage function for animal |
| CN108901916A (en) * | 2018-07-19 | 2018-11-30 | 河海大学文天学院 | A kind of anti-animal intelligent necklace system out of control and its working method |
| CN109875716A (en) * | 2019-03-10 | 2019-06-14 | 卢乐 | Ox abomasal displacement operation repositor |
| CN112245715A (en) * | 2020-10-19 | 2021-01-22 | 西安工程大学 | Electromagnetic force driven automatic injection device |
| CN112294490A (en) * | 2020-11-19 | 2021-02-02 | 南京工程学院 | Agricultural electric injector |
| CN112915318A (en) * | 2021-01-26 | 2021-06-08 | 刘苏衡 | Needleless injection device |
| CN116492541A (en) * | 2023-03-28 | 2023-07-28 | 卓优医疗(苏州)有限公司 | Needleless injection device using magnetic drive motor and adjusting method |
| CN116492543A (en) * | 2023-04-23 | 2023-07-28 | 卓优医疗(苏州)有限公司 | Needleless injection device for micro-adjustment and adjustment method |
| CN116637255A (en) * | 2023-04-23 | 2023-08-25 | 卓优医疗(苏州)有限公司 | Micro-dose adjusting method for needleless injection device |
| CN117771483A (en) * | 2023-06-21 | 2024-03-29 | 卓优医疗(苏州)有限公司 | Needleless injection device capable of continuously and automatically injecting and control method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201131985Y (en) * | 2006-09-05 | 2008-10-15 | 张文芳 | Magnetostrictive drive needleless injector |
| CN101554498A (en) * | 2009-05-21 | 2009-10-14 | 陈凯 | Needleless injection system used for continuously injecting animals |
| CN101588829A (en) * | 2006-09-01 | 2009-11-25 | 麻省理工学院 | Needle-free injector device with autoloading capability |
| CN101607103A (en) * | 2008-06-17 | 2009-12-23 | 张文芳 | Magneto-strain displacement type needleless injector |
| CN101690834A (en) * | 2009-10-29 | 2010-04-07 | 陈凯 | Continuous needleless injection system driven by electromagnetic force |
-
2010
- 2010-08-30 CN CN2010102662840A patent/CN102652848A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101588829A (en) * | 2006-09-01 | 2009-11-25 | 麻省理工学院 | Needle-free injector device with autoloading capability |
| CN201131985Y (en) * | 2006-09-05 | 2008-10-15 | 张文芳 | Magnetostrictive drive needleless injector |
| CN101607103A (en) * | 2008-06-17 | 2009-12-23 | 张文芳 | Magneto-strain displacement type needleless injector |
| CN101554498A (en) * | 2009-05-21 | 2009-10-14 | 陈凯 | Needleless injection system used for continuously injecting animals |
| CN101690834A (en) * | 2009-10-29 | 2010-04-07 | 陈凯 | Continuous needleless injection system driven by electromagnetic force |
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103977483A (en) * | 2014-05-14 | 2014-08-13 | 苏州大学张家港工业技术研究院 | Electromagnetic energy storage type needleless injector |
| CN107427640B (en) * | 2015-04-10 | 2021-02-12 | 株式会社大赛璐 | Syringe with a needle |
| CN107427640A (en) * | 2015-04-10 | 2017-12-01 | 株式会社大赛璐 | Syringe |
| CN105709311A (en) * | 2016-01-18 | 2016-06-29 | 华南农业大学 | Needleless injector based on piezoelectric conversion and using method of needleless injector |
| WO2018035956A1 (en) * | 2016-08-24 | 2018-03-01 | 孙瑞秀 | Injection device having storage function for animal |
| CN108901916A (en) * | 2018-07-19 | 2018-11-30 | 河海大学文天学院 | A kind of anti-animal intelligent necklace system out of control and its working method |
| CN108901916B (en) * | 2018-07-19 | 2021-04-20 | 河海大学文天学院 | Intelligent necklace system for preventing animal from being out of control and working method thereof |
| CN109875716A (en) * | 2019-03-10 | 2019-06-14 | 卢乐 | Ox abomasal displacement operation repositor |
| CN109875716B (en) * | 2019-03-10 | 2020-12-04 | 义乌市泽宣科技有限公司 | Cow abomasum left displacement operation restorer |
| CN112245715B (en) * | 2020-10-19 | 2022-11-15 | 西安工程大学 | Electromagnetic force driven automatic injection device |
| CN112245715A (en) * | 2020-10-19 | 2021-01-22 | 西安工程大学 | Electromagnetic force driven automatic injection device |
| CN112294490A (en) * | 2020-11-19 | 2021-02-02 | 南京工程学院 | Agricultural electric injector |
| CN112294490B (en) * | 2020-11-19 | 2022-06-07 | 南京工程学院 | Agricultural electric injector |
| CN112915318A (en) * | 2021-01-26 | 2021-06-08 | 刘苏衡 | Needleless injection device |
| CN112915318B (en) * | 2021-01-26 | 2022-09-23 | 刘苏衡 | Needleless injection device |
| CN116492541A (en) * | 2023-03-28 | 2023-07-28 | 卓优医疗(苏州)有限公司 | Needleless injection device using magnetic drive motor and adjusting method |
| CN116492541B (en) * | 2023-03-28 | 2024-06-04 | 卓优医疗(苏州)有限公司 | Needleless injection device using magnetic drive motor and adjusting method |
| CN116492542B (en) * | 2023-03-28 | 2024-06-04 | 卓优医疗(苏州)有限公司 | Micro-dose adjustable needleless injection device and adjustment method |
| CN116492543A (en) * | 2023-04-23 | 2023-07-28 | 卓优医疗(苏州)有限公司 | Needleless injection device for micro-adjustment and adjustment method |
| CN116637255A (en) * | 2023-04-23 | 2023-08-25 | 卓优医疗(苏州)有限公司 | Micro-dose adjusting method for needleless injection device |
| CN116492543B (en) * | 2023-04-23 | 2024-06-07 | 卓优医疗(苏州)有限公司 | Needleless injection device for micro-adjustment and adjustment method |
| CN116637255B (en) * | 2023-04-23 | 2024-06-07 | 卓优医疗(苏州)有限公司 | Micro-dose adjusting method for needleless injection device |
| CN117771483A (en) * | 2023-06-21 | 2024-03-29 | 卓优医疗(苏州)有限公司 | Needleless injection device capable of continuously and automatically injecting and control method |
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Application publication date: 20120905 |