CN2579434Y - Electromechanical stepped micro automatic injector - Google Patents
Electromechanical stepped micro automatic injector Download PDFInfo
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- CN2579434Y CN2579434Y CN 02288627 CN02288627U CN2579434Y CN 2579434 Y CN2579434 Y CN 2579434Y CN 02288627 CN02288627 CN 02288627 CN 02288627 U CN02288627 U CN 02288627U CN 2579434 Y CN2579434 Y CN 2579434Y
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- microprocessor
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Abstract
The utility model relates to an electromechanical stepped micro automatic injector for disease therapy. The utility model comprises a case body in which an electric control element composed of a microprocessor, a peripheral circuit, input keys and an LED/LCD indication panel, a liquid storing injection element and a battery are fixedly arranged. The utility model also comprises a spring box, a gear drive element driven by the spring box, a stepped control element controlled by the microprocessor for the microfeed of the gear drive element and a mechanical indicating element. Because the spring box is adopted as the energy source of the liquid storing injection element, the utility model has the advantages of great torque, long energy storage time, reliable motion, guarantee of the feed amount of each time by a special step control transmission device, adoption of the advanced power saving type PIC microprocessor, reduction of electric power consumption, adaptation of various batteries, and reasonable arrangement of the functions of a complete machine, adoption of electronic technology and the design technique of precision machinery for reasonably sharing various functions, low cost, adoption of mechanical indication, simplicity, visual performance, and convenient detection. The utility model is helpful to popularization and application.
Description
Affiliated technical field
This utility model belongs to a kind of medium is imported the device of human body, and particularly a kind of portable diabetes patient's of can be used for self-timing quantitatively carries self-timing insulin or that be used for other diseases quantitatively to carry the dynamo-electric stepping trace automated injection device of other medicinal liquids to human body to human body.
Background technology
Automatic microinjection apparatus in present known medical apparatus and instruments.Be to develop a kind of faster medical apparatus and instruments at present both at home and abroad, use increasingly extensive.Divide into a lot of types according to the different of power source, injection volume and speed ability and different modes such as fixing and portable, for example insulin pump is exactly a kind of portable micro timing intelligent injecting systems.Product such as U.S. MiniMed series that external how tame manufacturer is arranged on the domestic market at present, Switzerland H-TRON, home made articles such as Korea S DANA and Italy.Homemade same device is patented product " holy Tang--the III type " insulin pump by Beijing ancient cooking vessel great waves medical device technology company limited independent development.Since this device for medical equipment to the reliability requirement strictness, so need multinomial monitoring and demonstration during system works, and realize feedback control, operation precision requires high.Such scheme is to realize feedback control and demonstration by pick off with electrical form, complex structure, not directly perceived, the high working service inconvenience of cost.Use micro machine as power source as the automatic injecting systems of a kind of portable equipment such scheme in addition, finally be the output of mechanical action microfeed, the gap periods of regularly moving is long, the integrated high-grade intelligent control system of this for this reason microelectromechanicpositioning technology content requires high, from and further improved manufacturing cost, above commodity price is all at 20,000 to 50,000 yuan even higher, and general wage-earners are beyond affordability.Therefore present popularization for above-mentioned known automatic microinjection apparatus has certain difficulty.
The utility model content
This utility model provides a kind of micro machine that do not use as power source and the employing mechanical dynamo-electric stepping trace automated injection device that shows directly perceived for solving the technical problem that exists in the known technology.
The technical scheme that this utility model is taked for the technical problem that exists in the solution known technology is: it includes a housing, in housing, be fixed with the electric-controlled parts of forming by microprocessor and peripheral circuit and input button and LED/LCD indication panel, liquid storage injection member and battery, control signal by the button input outputs to microprocessor and shows that at indication panel LED/LCD it also includes the going barrel that installs in housing, gear drive by the going barrel driving, by microprocessor control make the gear drive microfeed the stepping control assembly and and then advance with the liquid storage injection member of its interlock and quantitatively export liquid storage and drive clockwork spring mechanical energy storage state at case panel demonstration going barrel by gear drive, medicinal liquid feeding state, the mechanical indicating device of liquid storage injection member liquid storage state.
This utility model can also adopt following technical measures:
The liquid storage injection member is the direct-push syringe.
Described stepping control assembly includes stepping pawl, periphery has the stepping wheel of projecting teeth and the electric magnet of being controlled by microprocessor, and the projecting teeth that former and later two pawls of stepping pawl are taken turns stepping makes the rotation of stepping wheel take turns follow-up tooth by stepping again with release the mode that stepping pawl resets is meshed each other.
Gear drive includes an intermeshing change-speed gearing group and a straight line propulsive mechanism, and linear advancement mechanism includes a gear and the tooth bar of gears engaged therewith; The axle and the going barrel driving shaft of the first order gear of change-speed gearing group are connected, and the one-level gear in the change-speed gearing group and the gear of linear advancement mechanism are meshing with each other.
The pushing ram of the tooth bar of linear advancement mechanism and direct-push syringe is connected.
The afterbody gear of change-speed gearing group and the engagement of stepping wheel.
The machinery indicating device includes the medicinal liquid pointer of expression medicinal liquid reserves on the housing indication panel, and the pushing ram of this medicinal liquid pointer and direct-push syringe is connected.
The machinery indicating device includes the medicinal liquid feeding indicating dial of expression medicinal liquid feeding state on the housing indication panel, and the axle of the needle pivot of this medicinal liquid feeding indicating dial and stepping wheel is connected
The machinery indicating device includes the clockwork spring mechanical energy storage indicating dial of expression going barrel mechanical energy storage state on the housing indication panel, and the needle pivot of this clockwork spring mechanical energy storage indicating dial and the first order gear shaft of change-speed gearing group are connected.
Advantage and the good effect that the utlity model has are: because use this mechanical energy storage principle of going barrel, adopt special stepping control drive mechanism, possess dynamo-electric bonded input and deictic function, system is controlled by microprocessor, utilization electronic technology and Precision Machinery Design technology are rationally shared every function, thereby greatly reduce cost, the convenient use.Compared with prior art, be characterized in: 1. adopt the power source of clockwork spring energy storage as the liquid storage injection member, it is big to have a torque, and energy storage time is long, reliable in action.2. utilize the stepping control technology, accurately guarantee each amount of feeding.3. adopt mechanical indicating mode, simple, intuitive, easy to detect.4. select advanced electricity-saving type PIC microprocessor for use, reduce power consumption to adapt to various batteries.The complete machine function layout is reasonable, and is with low cost, helps applying to vast wage-earners.
Description of drawings
Fig. 1 is one of formation sketch map of the present utility model;
Fig. 2 is two of a formation sketch map of the present utility model;
Fig. 3 is gear drive of the present utility model and stepping controlling organization sketch map;
Fig. 4 is electric control theory figure of the present utility model.
The specific embodiment
For further understanding summary of the invention of the present utility model, characteristics and effect, exemplify following examples now, and conjunction with figs. is described in detail as follows:
As shown in Figure 1, 2, but at folding rectangular box housing 1 internal fixation tooth bar 4, battery 5, LED/LCD display screen 6, medicinal liquid feeding indicating dial 7, clockwork spring mechanical energy storage indicating dial 8, data input button 9, the amount of liquid medicine indication pointer 10 of going barrel 2, gear train 11, direct-push syringe 3, linear advancement mechanism, the gear 15 of linear advancement mechanism are installed.First gear of gear train 11 and the winder of going barrel 2 are same axle.
As shown in Figure 3, mechanical transmission mechanism is the gear train 11 that three gears of 1: 36 are formed by the resultant gear ratio that is engaged with each other, the stepping wheel 12 that last gear and the periphery of gear train 11 has projecting teeth is meshed, and the periphery projecting teeth of the stepping pawl 13 that has former and later two claw hooks and stepping wheel 12 is meshing with each other, the latch spoon of stepping pawl 13 is owing to the electric magnet of being controlled by microprocessor 14 has magnetic to adsorb to sway, stepping wheel 12 is taken a step forward and subsequently a back tooth of the stepping wheel that rotates forward simultaneously of the loss of excitation of electric magnet 14 principle that stepping pawl 13 is resetted realize stepping work.And gear 15 engagements of gear in the centre of gear train 11 and linear advancement mechanism, linear advancement organization gear 15 meshes with the tooth bar 4 of linear advancement mechanism, and the tooth bar 4 of linear advancement mechanism is fixedlyed connected with the injection pushing ram of direct-push syringe 3.The resultant gear ratio of gear train 11 also can for 1: 45,1: 60 etc. just can be 1: in the 36-60 scope.
As shown in Figure 4, electric-controlled parts of the present invention includes microprocessor PIC16F86, resistance R 1-R12, capacitor C 1, C2, LED 1-8, press button SW1, SW2,3 volts of battery B, audion BG, diode D, 4MHz crystal oscillator OSC, wherein R1, R2, R3 are respectively 3.3K, 27K, 27K, R4-R11 is respectively 180 Ω, R12 is 500 Ω, C1, C2 are respectively 18P, the relay coil REL of electric magnet 14.Signal by button SW1, SW2 input outputs to 6 demonstrations of LED/LCD display screen by microprocessor PIC, and control relay coil REL makes electric magnet 14 actions.
When use is of the present invention is by the clockwork spring that manually tightens going barrel 2, the first order gear of the main shaft drives gear train 11 of going barrel 2, pass through the suitable gear ratio of gear train 11 again, afterbody gear and stepping wheel 12 by gear train 11 are meshing with each other, by the 12 control drive mechanism stepping work of stepping wheel.And the gear 15 of gear in the centre of gear train 11 and linear advancement mechanism engagement and further make tooth bar 4 moving linearlies with the linear advancement mechanism of linear advancement organization gear 15 engagements, and the injection pushing ram that drives direct-push syringe 3 is simultaneously made linear advancement and injecting liquid drug is advanced human body.How many each injecting liquid drug amounts is decided by the rotation amount of feeding of stepping wheel 12.Promptly by the frequency that magnetic is arranged of the microprocessor control electric magnet 14 injecting liquid drug amount of syringe that has been may command.In addition, thereby fixedly connected with the needle pivot of clockwork spring mechanical energy storage indicating dial 8 by the main shaft of gear train 11 first order gears and can show clockwork spring energy storage situation, the wheel shaft of stepping wheel 13 is coaxial with indication medicinal liquid feeding state with the needle pivot of medicinal liquid feeding indicating dial 7, the injection pushing ram of direct-push syringe 3 and amount of liquid medicine indication pointer 10 is fixedlyed connected the medicinal liquid reserves situation in the indication direct-push syringe 3, has shown duty of the present utility model with mechanical indicating device like this.
In addition, the liquid storage injection member also can be used the pump body structure of other forms such as peristaltic pump, pulse pipe pump and screw pump as the liquid storage injection member except can adopting above-mentioned direct-push syringe 3.The gear train 11 of gear drive also can adopt 2-10 level gear train assembly, and also can directly use other gear shaft output drive strengths of gear drive.The stepping control assembly also can adopt ratchet mechanism, Geneva drive or escapement etc.Amount of liquid medicine indication pointer 10 also can adopt rotary indicator formula structure.In addition, also can be connected with indication medicinal liquid feeding state by the afterbody gear shaft of gear train 11 and the needle pivot of feeding indicating dial 7; Also can tooth bar 4 fixedly connected medicinal liquid reserves situation in the indication direct-push syringe 3 with amount of liquid medicine indication pointer 10.
Claims (9)
1. dynamo-electric stepping trace automated injection device, it includes a housing, in housing, be fixed with the electric-controlled parts of forming by microprocessor and peripheral circuit and input button and LED/LCD indication panel, liquid storage injection member and battery, control signal by the button input outputs to microprocessor and in indication panel LED/LCD demonstration, it is characterized in that also including the going barrel that installs in housing, gear drive by the going barrel driving, by microprocessor control make the gear drive microfeed the stepping control assembly and and then advance with its interlock and quantitatively export the liquid storage injection member of liquid storage and drive clockwork spring mechanical energy storage state at case panel demonstration going barrel by gear drive, medicinal liquid feeding state, the mechanical indicating device of liquid storage injection member liquid storage state.
2. dynamo-electric stepping trace automated injection device according to claim 1 is characterized in that the liquid storage injection member is the direct-push syringe.
3. dynamo-electric stepping trace automated injection device according to claim 1, it is characterized in that described stepping control assembly includes stepping pawl, periphery has the stepping wheel of projecting teeth and the electric magnet of being controlled by microprocessor, the projecting teeth that former and later two pawls of stepping pawl are taken turns stepping makes the rotation of stepping wheel take turns follow-up tooth by stepping again with release the mode that stepping pawl resets is meshed each other.
4. dynamo-electric stepping trace automated injection device according to claim 1, it is characterized in that gear drive includes an intermeshing change-speed gearing group and a straight line propulsive mechanism, linear advancement mechanism includes a gear and the tooth bar of gears engaged therewith: the axle and the going barrel driving shaft of the first order gear of change-speed gearing group are connected, and the one-level gear in the change-speed gearing group and the gear of linear advancement mechanism are meshing with each other.
5. according to claim 2 or 4 described dynamo-electric stepping trace automated injection devices, it is characterized in that the tooth bar of linear advancement mechanism and the pushing ram of direct-push syringe are connected.
6. according to claim 3 or 4 described dynamo-electric stepping trace automated injection devices, it is characterized in that the afterbody gear and the engagement of stepping wheel of change-speed gearing group.
7. dynamo-electric stepping trace automated injection device according to claim 1 and 2 is characterized in that mechanical indicating device includes the medicinal liquid pointer of expression medicinal liquid reserves on the housing indication panel, and the pushing ram of this medicinal liquid pointer and direct-push syringe is connected.
8. according to claim 1 or 3 described dynamo-electric stepping trace automated injection devices, it is characterized in that mechanical indicating device includes the medicinal liquid feeding indicating dial of expression medicinal liquid feeding state on the housing indication panel, the axle of the needle pivot of this medicinal liquid feeding indicating dial and stepping wheel is connected.
9. according to claim 1 or 4 described dynamo-electric stepping trace automated injection devices, it is characterized in that mechanical indicating device includes the clockwork spring mechanical energy storage indicating dial of expression going barrel mechanical energy storage state on the housing indication panel, the needle pivot of this clockwork spring mechanical energy storage indicating dial and the first order gear shaft of change-speed gearing group are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02288627 CN2579434Y (en) | 2002-11-22 | 2002-11-22 | Electromechanical stepped micro automatic injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02288627 CN2579434Y (en) | 2002-11-22 | 2002-11-22 | Electromechanical stepped micro automatic injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2579434Y true CN2579434Y (en) | 2003-10-15 |
Family
ID=33748456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02288627 Expired - Fee Related CN2579434Y (en) | 2002-11-22 | 2002-11-22 | Electromechanical stepped micro automatic injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2579434Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101461197B (en) * | 2006-04-20 | 2013-02-06 | 生命扫描苏格兰有限公司 | Method for transmitting data in a blood glucose system and corresponding blood glucose system |
| CN110025856A (en) * | 2019-05-08 | 2019-07-19 | 吉林大学 | A kind of Painless Muscle Injection pump with heating massage function |
| EP3545988A1 (en) * | 2018-03-29 | 2019-10-02 | Tecpharma Licensing AG | Dosing device with positioning device for an injector |
-
2002
- 2002-11-22 CN CN 02288627 patent/CN2579434Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101461197B (en) * | 2006-04-20 | 2013-02-06 | 生命扫描苏格兰有限公司 | Method for transmitting data in a blood glucose system and corresponding blood glucose system |
| EP3545988A1 (en) * | 2018-03-29 | 2019-10-02 | Tecpharma Licensing AG | Dosing device with positioning device for an injector |
| WO2019186378A1 (en) * | 2018-03-29 | 2019-10-03 | Tecpharma Licensing Ag | Dosing device having actuation means for an injector |
| CN110025856A (en) * | 2019-05-08 | 2019-07-19 | 吉林大学 | A kind of Painless Muscle Injection pump with heating massage function |
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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: 20031015 Termination date: 20101122 |