CN201375732Y - Electromagnetic type automatic needleless injector - Google Patents
Electromagnetic type automatic needleless injector Download PDFInfo
- Publication number
- CN201375732Y CN201375732Y CN200920099502U CN200920099502U CN201375732Y CN 201375732 Y CN201375732 Y CN 201375732Y CN 200920099502 U CN200920099502 U CN 200920099502U CN 200920099502 U CN200920099502 U CN 200920099502U CN 201375732 Y CN201375732 Y CN 201375732Y
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- CN
- China
- Prior art keywords
- adjusting rod
- electromagnet
- spring
- regulating sleeve
- cover plate
- 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
The utility model provides an electromagnetic type automatic needleless injector and relates to a needleless injector; the needleless injector solves the problems that the existing needleless injector can not control dosage, can not inject continuously, and can not realize automatic injection. The tail end of an ampoule bottle is arranged in an inner cavity of an adjusting rod and is connected with one end of the adjusting rod in a threading way, one end of a piston is inserted in the inner cavity of the ampoule bottle from the tail end of the ampoule bottle, the other end of the piston is arranged in the inner cavity of the adjusting rod, the other end of the adjusting rod is arranged in an adjusting sleeve and is connected with the adjusting sleeve in a threading way; one end of a tripping rod is inserted in the inner cavity of the adjusting rod and is contacted with the end surface of the piston, the other end of the tripping rod penetrates out of a cover board and is arranged in the shell, and the cover board is fixedly arranged in a circular bead hole of the shell, an electromagnet is arranged in the inner cavity of the shell, one end of a tripping shaft is inserted in the inner cavity of the electromagnet, and a spring is sheathed on the electromagnet. The electromagnetic type automatic needleless injector has compact structure without disassembly and washing, the operation is simple and is easy to learn, the injection can be automatically carried out, and the dosage can be adjusted.
Description
Technical field
This utility model relates to a kind of needleless injector.
Background technology
Needleless injector is more advanced subcutaneous injection instrument, it with have needle injection to compare to have painless, safety and free of contamination advantage.But existing needleless injector also has the following disadvantages: it need be contained in when 1, using in the special-purpose box that resets, manually move the compression spring then, the compression stress of utilizing spring to produce is injected subcutaneous tissue with the medicinal liquid in the ampoule bottle, and manual operation can not be controlled dosage; 2, can not inject (, need the displacement ampoule bottle, and compress spring again) continuously if will inject next time; 3, complex operation is wasted time and energy; 4, complex structure.
The utility model content
There is uncontrollable dosage in this utility model in order to solve existing needleless injector, can not injects, can't realize the problem of injection automatically continuously, and then a kind of electromagnetic type automatic needleless injection machine is provided.
The technical scheme in the invention for solving the above technical problem is: electromagnetic type automatic needleless injection machine described in the utility model comprises trip rod, electromagnet housing, electromagnet coil, spring and impact groove; Described syringe also comprises hollow adjusting rod and regulating sleeve, regulating sleeve is made of regulating sleeve and cover plate, one end of described regulating sleeve and an end face of cover plate are fixed together, the other end of hollow adjusting rod is contained in the regulating sleeve and with regulating sleeve and is threaded, one end of trip rod is inserted in the inner chamber of hollow adjusting rod, the other end of trip rod passes cover plate and is positioned at electromagnet housing, trip rod is provided with spacing shoulder, described spacing shoulder is positioned at regulating sleeve and contacts with the corresponding end-faces of cover plate, cover plate is packed in the shoulder hole of electromagnet housing, electromagnet coil is installed in the inner chamber of electromagnet housing, one end of impact groove is inserted in the inner chamber of electromagnet coil, spring housing is contained on the electromagnet coil, one end and the cover plate of spring are affixed, the other end of spring is connected with the end face contact of the outer of impact groove, and described impact groove is fabricated from iron.
The utlity model has following beneficial effect: one, this utility model owing to be between ampoule bottle and adjusting rod, adjusting rod and the regulating sleeve is threaded, thereby has realized dosage adjustable (syringe drug injection amount is accurate to 0.01ml); Two, adjustable and the resetting rapidly of spring in the position of adjusting rod can be realized the continuous injection of medicinal liquid; Three, the effect by electric magnet has realized automatic injection; Four, this utility model compact conformation, need not to unpick and wash easy simple to operate.
Description of drawings
Fig. 1 is that master of the present utility model looks cutaway view.
The specific embodiment
The specific embodiment one: as shown in Figure 1, the described electromagnetic type automatic needleless injection machine of present embodiment comprises ampoule bottle 1, piston 2, trip rod 5, electromagnet housing 6, electromagnet coil 7, spring 8 and impact groove 9; Described syringe also comprises hollow adjusting rod 3 and regulating sleeve 4, regulating sleeve 4 is made of regulating sleeve 4-1 and cover plate 4-2, the end of described regulating sleeve 4-1 and the end face of cover plate 4-2 are fixed together, the tail end of ampoule bottle 1 is contained in the inner chamber of hollow adjusting rod 3 and with the threaded one end of hollow adjusting rod 3 and is connected, one end of piston 2 is inserted into the inner chamber of ampoule bottle 1 from the tail end of ampoule bottle 1, the other end of piston 2 is contained in the inner chamber of hollow adjusting rod 3, the other end of hollow adjusting rod 3 is contained in the regulating sleeve 4-1 and with regulating sleeve 4-1 and is threaded, one end of trip rod 5 is inserted in the inner chamber of hollow adjusting rod 3 and with the end face of piston 2 and contacts, the other end of trip rod 5 passes cover plate 4-2 and is positioned at electromagnet housing 6, trip rod 5 is provided with spacing shoulder 5-1, described spacing shoulder 5-1 is positioned at regulating sleeve 4-1 and contacts with the corresponding end-faces of cover plate 4-2, cover plate 4-2 is packed in the shoulder hole 6-1 of electromagnet housing 6, electromagnet coil 7 is installed in the inner chamber of electromagnet housing 6, one end of impact groove 9 is inserted in the inner chamber of electromagnet coil 7, spring 8 is sleeved on the electromagnet coil 7, one end and the cover plate 4-2 of spring 8 are affixed, and the other end of spring 8 is connected with the end face contact of the outer 9-1 of impact groove 9.
The specific embodiment two: as shown in Figure 1, the described syringe of present embodiment also comprises spacing ring 10, and described spacing ring 10 is arranged in the inner chamber of hollow adjusting rod 3 and is sleeved on the piston 2.So be provided with, piston is played position-limiting action.Other composition is identical with the specific embodiment one with annexation.
The specific embodiment three: as shown in Figure 1, the described syringe of present embodiment also comprises sealing ring 2-1, and an end that is positioned at the piston 2 of ampoule bottle 1 is equipped with sealing ring 2-1.
So be provided with, can prevent medicine liquid leakage.Other composition is identical with the specific embodiment one or two with annexation.
The specific embodiment four: as shown in Figure 1, the described spring 8 of present embodiment is a helical spring.So be provided with, spring can be along the axially-movable of impact groove.Other composition is identical with the specific embodiment three with annexation.
Operation principle: at first, medicinal liquid is sucked in the ampoule bottle 1, tail end with ampoule bottle 1 screws in the end of hollow adjusting rod 3 then, the other end with hollow adjusting rod 3 is inserted in the regulating sleeve 4-1 again, when giving the coil electricity of electromagnet coil 7, electromagnet coil 7 produces suction, this suction can be inhaled impact groove 9 rapid movement to the left, impact groove 9 bumps against trip rod 5, the piston 2 that trip rod 5 promotes in the ampoule bottle 1 fast is moved to the left, thereby the minute aperture of medicinal liquid by ampoule bottle 1 front end in the ampoule bottle 1 penetrated rapidly, and form liquid drugs injection (after making medicinal liquid pass through a superfine hole by high pressure, produce a liquid column), transdermal is ejected into subcutaneous tissue and finishes injection process; After injection was finished, spring 8 can promote impact groove 9 and reset, and carries out injection process next time again.
Claims (3)
1, a kind of electromagnetic type automatic needleless injection machine, described syringe comprise trip rod (5), electromagnet housing (6), electromagnet coil (7), spring (8) and impact groove (9); It is characterized in that: described syringe also comprises hollow adjusting rod (3) and regulating sleeve (4), regulating sleeve (4) is made of regulating sleeve (4-1) and cover plate (4-2), one end face of one end of described regulating sleeve (4-1) and cover plate (4-2) is fixed together, the other end of hollow adjusting rod (3) is contained in the regulating sleeve (4-1) and with regulating sleeve (4-1) and is threaded, one end of trip rod (5) is inserted in the inner chamber of hollow adjusting rod (3), the other end of trip rod (5) passes cover plate (4-2) and is positioned at electromagnet housing (6), trip rod (5) is provided with spacing shoulder (5-1), described spacing shoulder (5-1) is positioned at regulating sleeve (4-1) and contacts with the corresponding end-faces of cover plate (4-2), cover plate (4-2) is packed in the shoulder hole (6-1) of electromagnet housing (6), electromagnet coil (7) is installed in the inner chamber of electromagnet housing (6), one end of impact groove (9) is inserted in the inner chamber of electromagnet coil (7), spring (8) is sleeved on the electromagnet coil (7), one end of spring (8) and cover plate (4-2) are affixed, the other end of spring (8) is connected with the end face contact of the outer (9-1) of impact groove (9), and described impact groove (9) is fabricated from iron.
2, a kind of electromagnetic type automatic needleless injection machine according to claim 1, it is characterized in that: described syringe also comprises spacing ring (10), described spacing ring (10) is arranged in the inner chamber of hollow adjusting rod (3) and is sleeved on the piston (2).
3, a kind of electromagnetic type automatic needleless injection machine according to claim 1 and 2 is characterized in that: described spring (8) is a helical spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920099502U CN201375732Y (en) | 2009-04-03 | 2009-04-03 | Electromagnetic type automatic needleless injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920099502U CN201375732Y (en) | 2009-04-03 | 2009-04-03 | Electromagnetic type automatic needleless injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201375732Y true CN201375732Y (en) | 2010-01-06 |
Family
ID=41515826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920099502U Expired - Fee Related CN201375732Y (en) | 2009-04-03 | 2009-04-03 | Electromagnetic type automatic needleless injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201375732Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012092715A1 (en) * | 2011-01-07 | 2012-07-12 | 无锡圆容生物医药股份有限公司 | Magnetic damping pneumatic impact type needless injector |
| 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 |
| CN107569746A (en) * | 2017-07-14 | 2018-01-12 | 西北工业大学 | Single shaft control is automatically positioned quantitative injecting mechanism |
| CN109490286A (en) * | 2018-10-23 | 2019-03-19 | 杭州光启医疗科技发展有限公司 | Urine Analyzer for hospital laboratory and urological department |
| CN110124158A (en) * | 2019-06-03 | 2019-08-16 | 江苏丞宇米特医疗科技有限公司 | The reset assembly of syringe |
| CN110354341A (en) * | 2019-08-26 | 2019-10-22 | 苏州大藤医疗器械有限公司 | A kind of needleless injector |
| CN110681000A (en) * | 2019-10-10 | 2020-01-14 | 浙江海洋大学 | Medical syringe structure |
| 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 |
-
2009
- 2009-04-03 CN CN200920099502U patent/CN201375732Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012092715A1 (en) * | 2011-01-07 | 2012-07-12 | 无锡圆容生物医药股份有限公司 | Magnetic damping pneumatic impact type needless injector |
| 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 |
| CN107569746A (en) * | 2017-07-14 | 2018-01-12 | 西北工业大学 | Single shaft control is automatically positioned quantitative injecting mechanism |
| CN109490286A (en) * | 2018-10-23 | 2019-03-19 | 杭州光启医疗科技发展有限公司 | Urine Analyzer for hospital laboratory and urological department |
| CN110124158A (en) * | 2019-06-03 | 2019-08-16 | 江苏丞宇米特医疗科技有限公司 | The reset assembly of syringe |
| CN110124158B (en) * | 2019-06-03 | 2024-02-20 | 江苏丞宇米特医疗科技有限公司 | Reset assembly for syringe |
| CN110354341A (en) * | 2019-08-26 | 2019-10-22 | 苏州大藤医疗器械有限公司 | A kind of needleless injector |
| CN110681000A (en) * | 2019-10-10 | 2020-01-14 | 浙江海洋大学 | Medical syringe structure |
| 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 |
| 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 |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100106 Termination date: 20120403 |