CN104096299B - Therapeutic equipment for the injection of human body medicine trace - Google Patents
Therapeutic equipment for the injection of human body medicine trace Download PDFInfo
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- CN104096299B CN104096299B CN201410353092.1A CN201410353092A CN104096299B CN 104096299 B CN104096299 B CN 104096299B CN 201410353092 A CN201410353092 A CN 201410353092A CN 104096299 B CN104096299 B CN 104096299B
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Abstract
The present invention relates to a kind of therapeutic equipment for the injection of human body medicine trace.The present invention includes injection apparatus, Power Drive Unit and medicine storage device, and medicine storage device is connected with the ampoule in Power Drive Unit by flexible pipe, and injection apparatus is driven by Power Drive Unit.Described Power Drive Unit includes that, by the voice coil motor of DC power control, voice coil motor front portion connects coupling set, and coupling set is connected with the piston rod of ampoule, and the liquid outlet of ampoule is connected with injection apparatus by flexible pipe；Described coupling set includes that the coupling rear enclosure being arranged on voice coil motor front end and band nut fix the coupling protheca of the piston rod of ampoule.The present invention uses split-type design, Power Drive Unit and medicine storage device can be placed in knapsack or waistband, thus the injection apparatus volume of hand-held and weight can be greatly reduced, it is simple to fast injection.
Description
Technical field
The invention belongs to subcutaneous delivery system technical field in medical equipment, a kind of therapeutic equipment for the injection of human body medicine trace.
Background technology
At present conventional therapeutic equipment be exactly mostly continue to use always be administered orally, perform the operation, inject three big means, also include that physical treatment is made in the non-mainstream electromagnetic frequency therapeutic equipment using different-waveband and electrotherapy, thermotherapy, phototherapy etc., additionally have the ancient therapies such as the pin of some traditional Chinese medical science, moxibustion, pin cutter and Manipulation therapy.And the accurately medicine-feeding technology such as the transdermal target administration technology risen recently and nano-magnetic powder target hyperthermia technology is still in the experimental stage, also there is no clinical practice.It is emitted directly toward hypodermic injection medicine-feeding technology by high-speed jet and the most again becomes a kind of important method of administration.Jet injection technology with traditional have pin injection compared with, there is series of advantages: as simple to operate, good absorbing effect, elimination acupuncture are infected, reduced the environmental pollution etc. that syringe needle processes.But the jet injection system of clinical practice at present also exists major defect: jet injection only completes in one-off, it is administered so continuous controlled delivery can not be realized；Additionally spray penetration is uncontrollable, therefore when spray penetration is the deepest, jet touches the nervous system under skin histology, and can be with stronger pain.In recent years, researcher attempt with different type of drive by disposably spray stream change into clearance-type trace injection.Piezoelectricity fold stack driver being such as applied to jet injection technology, utilizes high-field electrode gap discharge in a liquid to produce the bubble in gap to drive liquid spray from micro-spout, formation pulse declines jet flow；Nearest research then utilizes solid laser to act on liquid to produce the steam bubble in gap to drive liquid to spray from micro-spout, is administered realizing micro-spray.Injection is administered the targeting focus entering patient that therapeutic equipment principle is exactly the impact utilizing a high pressure Convective medicine of stopping and is produced medicine stream minimally-invasive by micropore, simultaneously can be by using the different pharmaceutical corresponding with disease, control medicine stream and enter the degree of depth and the scope of focus, to reach the effect for the treatment of.
Continuous micro injection be administered therapeutic equipment be a targeting, quickly, the human body of Wicresoft enter medicine platform, it can be the liquid drug suited the medicine to the illness, by the treatment passage in all kinds of scopes or by puncturing the methods such as conduit, biopsy catheter, interposing catheter, under the observation, guiding of the image documentation equipments such as outside x-ray, DSA, B ultrasonic, directly medicine is delivered to affected area, carry out focus dispenser, reach the purpose of targeted elimination.The aspects such as this therapeutic equipment is mainly used in embolism, embolism extinguishing, medicine stream are directly entered human body barriers position, the impact forbidden zone of human body, injection for curing, it is mainly characterized by, and good effect, no sequel, treatment time be short, saving expense and reduce the labour intensity of doctor.
Summary of the invention
It is an object of the invention to provide a kind of medicine trace spray treating instrument split type, with voice coil motor as power for prior art.
For achieving the above object, the technical solution adopted in the present invention is:
The present invention includes injection apparatus, Power Drive Unit and medicine storage device, and medicine storage device is connected with the ampoule in Power Drive Unit by flexible pipe, and injection apparatus is driven by Power Drive Unit.
Described Power Drive Unit includes that, by the voice coil motor of DC power control, voice coil motor front portion connects coupling set, and coupling set is connected with the piston rod of ampoule, and the liquid outlet of ampoule is connected with injection apparatus by flexible pipe；Described coupling set includes that the coupling rear enclosure being arranged on voice coil motor front end and band nut fix the coupling protheca of the piston rod of ampoule.
Described ampoule includes a cylinder, and cylinder back-end enters for piston, and with the first upper shield；The upper end of cylinder is with entering medicine check valve；The front inner wall footpath of cylinder concaves, and projection section is embedded with the first sealing ring, and the first sealing ring is withstood by the first injection set；The rear end of the first injection set is embedded in the interior recess of cylinder, and front end is protruded, and centre has liquid outlet；Embedded first spring and spool are overlapped in first injection；Spring base withstands spool in the first injection set；Spool be a rear end be cone, front end is cylindrical valve body, and cylindrical circumference is uniformly distributed two or more groove vertically, and the inner ring of cone and the first sealing ring coordinates.
Described injection apparatus includes hand-held cylindrical shell, with control button on housing, a cylindrical barrel is had in housing tubular front end, there is a liquid inlet joint one end of cylinder, it is that the cone of a band through hole is for female connector flexible pipe in joint, outside has and the 3rd upper shield of cylinder outer threaded engagement, and flexible pipe is compressed after screwing by the 3rd upper shield；The front end of cylinder includes the second sealing ring, the second injection set and the 4th upper shield, and the second injection set front end is with small spray orifice, and the second injection set is fixed on cylinder after screwing by the 4th upper shield.
The present invention uses split-type design, Power Drive Unit and medicine storage device can be placed in knapsack or waistband, thus the injection apparatus volume of hand-held and weight can be greatly reduced, it is simple to fast injection.Additionally, due to voice coil motor, there is the highest rate of acceleration, the very strong driving force of 0.7N-1000N can be provided, moment makes liquid produce high pressure, and it has the highest precision, therefore the present invention can realize exact dose and big expulsion pressure injection, the use of applicable medical institutions particularly basic medical unit.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is each unit status schematic diagram when being initial position；
Critical component view when Fig. 3 a and Fig. 3 b is initial position；
Fig. 4 is injection each unit status schematic diagram when completing；
Fig. 5 a and Fig. 5 b is injection critical component view when completing；
Fig. 6 is the structural representation of voice coil motor；
Fig. 7 is the structural representation of ampoule；
Fig. 8 is the structural representation of injection apparatus.
In figure, injection apparatus 1, Power Drive Unit 2, medicine storage device 3, ampoule 4, voice coil motor 5, coupling set 6, coupling rear enclosure 61, coupling protheca 62, piston rod 7, ferromagnetic cylinder 8, permanent magnet 9, tubular coil 10, working gas gap 11, coil support 12, first upper shield 13, cylinder 14, check valve 15, first sealing ring 16, second upper shield 17, first injection set 18, first spring 19, spool 20, cone 202, cylinder 201, control button 21, bonnet 22, 3rd upper shield 23, cone 24, cylindrical barrel 25, second sealing ring 26, 4th upper shield 27, second injection set 28, hand-held cylindrical shell 29, ball valve core 30, second spring 31.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1, a kind of therapeutic equipment for the injection of human body medicine continuous micro of the present invention, including injection apparatus 1, Power Drive Unit 2, medicine storage device 3, medicine storage device 3 is connected with the ampoule 4 of Power Drive Unit 2 by flexible pipe, and injection apparatus 1 is driven by Power Drive Unit 2；
Moving operation owing to power and driving means typically require to be placed in the knapsack of operator or gum bag, therefore the design uses the dc source (such as lithium battery group) of high-energy-density.After control circuit accepts the arming signal of injection apparatus, control voice coil motor 5 and work, complete injection.
Voice coil motor 5 is connected with the piston rod 7 in ampoule 4 by coupling set 6；Coupling set 6 includes coupling rear enclosure 61 and coupling protheca 62, and coupling rear enclosure 61 is connected with the screw of voice coil motor 5 front end, and coupling protheca 62 is connected with piston rod 7 one end of ampoule 4 by nut, and the liquid outlet of ampoule 4 is connected with injection apparatus 1 by flexible pipe.
As shown in Figure 6, voice coil motor 5 includes ferromagnetic cylinder 8, permanent magnet 9, tubular coil 10, working gas gap 11 and coil support 12.Permanent magnet 9 is fixed on ferromagnetic cylinder 8, tubular coil 10 is arranged in coil support 12, permanent magnet 9 is correspondingly arranged with tubular coil 10, and leave working gas gap 11, by tubular coil 10 loading current, electric current cutting permanent magnet 9 in tubular coil produces magnetic field line, and then generation electromagnetic force promotes the tubular coil 10 of energising and coil support 12 to do straight reciprocating motion.
The cross section of described ferromagnetic cylinder 8 is " E " type, and permanent magnet 9 is fixed therein on ring wall, and tubular coil 10 is arranged in the coil groove of coil support 12.
As it is shown in fig. 7, ampoule 4 includes that the first upper shield 13, cylinder 14, check valve the 15, first sealing ring the 16, second upper shield 17, first spray set the 18, first spring 19 and spool 20.Piston rod 7 enters from cylinder 14 rear end, is then fixed by the first upper shield 13 so that piston rod 7 can relative slide with the first upper shield 13, cylinder 14；Enter medicine check valve 15 and be arranged on the upper end of cylinder 14, enter medicine check valve 15 and be connected with medicine storage device 3 by flexible pipe；The front inner wall footpath of cylinder 14 concaves, and projection section is embedded with the first sealing ring 16；First injection set 18 front end is protruded, and centre has liquid outlet, and the first sealing ring 16 is withstood in the front end of the first injection set 18, and rear end is embedded in cylinder 14 indent body；Being provided with the first spring 19 and spool 20 in first injection set 18, the first spring 19 withstands spool 20.
Described spool 20 be a rear end be cone 202 and valve body that front end is cylinder 201, the circumference of cylinder 201 is uniformly distributed two or more groove vertically, the cross section of cylinder 201 is plum blossom-shaped, and cone 202 coordinates with the inner ring of the first sealing ring 16.
As shown in Figure 8, injection apparatus 1 includes hand-held cylindrical shell 29, and housing 29 is provided with control button 21, and the rear end of housing 29 is provided with in the middle of bonnet 22, bonnet 22 and is provided with through hole；Being provided with a cylindrical barrel 25 in housing 29 tubular front end, the rear end of cylindrical barrel 25 is provided with a liquid inlet joint, is the cone 24 of band through hole, for external hose in liquid inlet joint；Liquid inlet joint periphery is cased with the 3rd upper shield 23 linked with cylindrical barrel 25 screw thread, and the 3rd upper shield 23 is for compressing the flexible pipe connected with liquid inlet joint；The front end of cylindrical barrel 25 includes that the second sealing ring 26, second sprays set 28 and the 4th upper shield 27.
The front inner wall footpath of cylindrical barrel 25 concaves, and projection section is embedded with the second sealing ring 26；Second injection set 28 front end is protruding, and centre has spray orifice, and the rear end of the second injection set 28 is embedded in cylindrical barrel 25 indent body, withstands the second sealing ring 26；Second injection set 28, through the through hole in the middle of the 4th upper shield 27, is fixed with threadeding of cylindrical barrel 25 by the front end projection of the second injection set 28 by the 4th upper shield 27.
When injection apparatus 1 sprays, pressure is provided by piston rod 7 compressed liquid, enters into cylindrical barrel 25 from the high-speed jet out of ampoule liquid outlet by flexible pipe and cone liquid inlet joint 24 internal, is then penetrated by the second small spray orifice in injection set 28 front end.
Medicine storage device 3 is fixed on injection apparatus 1 shell, and its outlet is connected by the check valve of flexible pipe with the ampoule 4 of Power Drive Unit 2；Described medicine storage device 3 includes carrying graduated syringe, infusion bag；
As shown in Fig. 2, Fig. 3 a and Fig. 3 b, when whole equipment is in original state (before injection), voice coil motor 5 and piston rod 7 are compressed the second spring 31 all in initial position (movement), the ball valve core 30 now entered in medicine check valve 15 by the pressure effect of liquid, and liquid enters into ampoule；Not compressing liquid in original state lower shell 14, spool 20 is close to the first sealing ring 16 due to the effect of the first spring 19, and between injection apparatus 1 and ampoule 4, passage is in closed state simultaneously.
As shown in Fig. 4, Fig. 5 a and Fig. 5 b, whole equipment is in injection completion status, and (injection completes, do not return), voice coil motor 5 and piston rod 7 are all in terminal position, now entering the ball valve core 30 in medicine check valve 15 is subject to the effect of compression liquid and the second spring 31 by the channel seal between ampoule 4 and medicine storage device 3, and liquid cannot be introduced into ampoule；Having compression liquid in cylinder 14, spool 20 compresses the first spring 19 due to the effect of compression liquid, and the passage between injection apparatus 1 and ampoule 4 is in opening state simultaneously.
The course of work of the present invention is as follows:
Needing before injection first to place medicine storage device 3, be connected with check valve 15 by flexible pipe, due to fluid pressure effect, the spool 30 of check valve 15 compresses the second spring 31, and liquid enters cylinder 14.
During injection, operator presses the control button 21 being connected to control circuit on hand-held cylindrical shell 29, control circuit is powered to voice coil motor 5 after receiving the signal that control button 21 is sent, in voice coil motor 5, tubular coil 10 is supported 12 by the zone of action moving winding of electromagnetic force and moves to ampoule 4 direction together.Owing to coupling set 6 is connected to the piston rod 7 of voice coil motor 5 and ampoule 4, therefore, the athletic meeting of voice coil motor 5 promotes piston rod 7 to move in ampoule 4, thus compressed liquid promotes spool 20 to compress the first spring 19, and liquid sprays from ampoule 4.In this course, owing to piston rod 7 advances, making ball valve core 30 and closely cooperate with the inwall being connected headband circular arc under the elastic force effect of the second spring 31, liquid cannot be back to Drug Storage；
The most reversely being energized after having sprayed, tubular coil 10 is acted on by reverse electromagnetic force, drives coil support 12 to move to ampoule 4 opposite direction together.By coupling set 6, the piston rod 7 in ampoule 4 is retracted,
Now due to the elastic force effect of the first spring 19 so that spool 20 withstands the first sealing ring 16, flexible pipe cannot be back to cylinder 14 with the liquid in injection apparatus 1；Liquid pressure in medicine storage device 3 acts on the ball valve core 30 in check valve 15 simultaneously, compresses the second spring 31, and liquid is drawn in the cylinder 14 in ampoule 4.
In course of injection, owing to voice coil motor 5 rate of acceleration is the highest, and being provided that powerful power, therefore energising all can complete in moment with reverse energising.Additionally piston rod 7 is threaded connection by threaded bar and piston head and forms, and so has utilization to change the most isometric ampoule.
Above-described embodiment is only used for illustrating the design of the present invention, rather than the restriction to rights protection of the present invention, all changes utilizing this design that the present invention carries out unsubstantiality, all should fall into protection scope of the present invention.
Claims (1)
1. for the therapeutic equipment of human body medicine trace injection, including injection apparatus, Power Drive Unit and medicine storage device, it is characterized in that: medicine storage device is connected with the ampoule in Power Drive Unit by flexible pipe, and injection apparatus is driven by Power Drive Unit；
Described Power Drive Unit includes that, by the voice coil motor of DC power control, voice coil motor front portion connects coupling set, and coupling set is connected with the piston rod of ampoule, and the liquid outlet of ampoule is connected with injection apparatus by flexible pipe；Described coupling set includes that the coupling rear enclosure being arranged on voice coil motor front end and band nut fix the coupling protheca of the piston rod of ampoule；
Described ampoule includes a cylinder, and cylinder back-end enters for piston, and with the first upper shield；The upper end of cylinder is with entering medicine check valve；The front inner wall footpath of cylinder concaves, and projection section is embedded with the first sealing ring, and the first sealing ring is withstood by the first injection set；The rear end of the first injection set is embedded in the interior recess of cylinder, and front end is protruded, and centre has liquid outlet；Embedded first spring and spool are overlapped in first injection；Spring base withstands spool in the first injection set；Spool be a rear end be cone, front end is cylindrical valve body, and cylindrical circumference is uniformly distributed two or more groove vertically, and the inner ring of cone and the first sealing ring coordinates；
Described injection apparatus includes hand-held cylindrical shell, with control button on housing, a cylindrical barrel is had in housing tubular front end, there is a liquid inlet joint one end of cylinder, it is that the cone of a band through hole is for female connector flexible pipe in joint, outside has and the 3rd upper shield of cylinder outer threaded engagement, and flexible pipe is compressed after screwing by the 3rd upper shield；The front end of cylinder includes the second sealing ring, the second injection set and the 4th upper shield, and the second injection set front end is with small spray orifice, and the second injection set is fixed on cylinder after screwing by the 4th upper shield.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410353092.1A CN104096299B (en) | 2014-07-23 | 2014-07-23 | Therapeutic equipment for the injection of human body medicine trace |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410353092.1A CN104096299B (en) | 2014-07-23 | 2014-07-23 | Therapeutic equipment for the injection of human body medicine trace |
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| CN104096299A CN104096299A (en) | 2014-10-15 |
| CN104096299B true CN104096299B (en) | 2016-09-07 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105233372B (en) * | 2015-11-06 | 2018-10-23 | 南昌德漫多科技有限公司 | needleless injection system |
| CN109821098B (en) * | 2019-03-01 | 2021-05-28 | 浙江师范大学 | Piezoelectric stack driving type infusion device |
| CN110239215A (en) * | 2019-07-12 | 2019-09-17 | 中国石油大学(华东) | A kind of printing new method generating bubble based on electric discharge |
| CN112604063A (en) * | 2020-04-17 | 2021-04-06 | 南阳市中心医院 | Irrigator for ear-nose-throat department |
| CN112603812B (en) * | 2021-02-07 | 2022-11-29 | 浙江肯特科技股份有限公司 | Piezoelectric type acupuncture point nursing bedding |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN200987809Y (en) * | 2006-11-30 | 2007-12-12 | 陈凯 | Push injector for needle free injection |
| CN100591376C (en) * | 2008-08-08 | 2010-02-24 | 陈凯 | Pulse injection apparatus |
| CN101690834B (en) * | 2009-10-29 | 2012-02-15 | 陈凯 | Continuous needleless injection system driven by electromagnetic force |
| CN102499787B (en) * | 2011-11-18 | 2014-06-11 | 陈凯 | Split type needle-free injection system used for animal injection |
| CN203971073U (en) * | 2014-07-23 | 2014-12-03 | 杭州电子科技大学 | A kind of therapeutic equipment spraying for human body medicine trace |
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Application publication date: 20141015 Assignee: HUZHOU ZHONGAN AGRICULTURAL INTELLIGENT TECHNOLOGY CO., LTD. Assignor: Hangzhou Electronic Science and Technology Univ Contract record no.: 2017330000025 Denomination of invention: Therapeutic equipment for jetting small quantity of medicines to human body Granted publication date: 20160907 License type: Common License Record date: 20170331 |
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