CN2557142Y - Portable liquid medicine infusion device - Google Patents
Portable liquid medicine infusion device Download PDFInfo
- Publication number
- CN2557142Y CN2557142Y CN 02232992 CN02232992U CN2557142Y CN 2557142 Y CN2557142 Y CN 2557142Y CN 02232992 CN02232992 CN 02232992 CN 02232992 U CN02232992 U CN 02232992U CN 2557142 Y CN2557142 Y CN 2557142Y
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- power supply
- infusion device
- control unit
- central processing
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Abstract
The utility model relates to a portable liquid medicine injection device. The structure consists of a power supply, a control circuit, a stepper motor drive circuit, a stepper motor, a transmission device and a liquid medicine injection device; the power supply is connected with the control circuit and the stepper motor drive circuit, a rotating shaft of the stepper motor is connected with the liquid medicine injection device by the transmission device; the control circuit includes a power supply control unit, a central processing unit and an operation control unit; the power supply control unit is connected with the central processing unit, the central processing unit is connected with the stepper motor, and the central processing unit is further connected with the operation control unit. The utility model has small size, light weight and easy operation; the utility model adopts the step-type mechanical propelling mode, which is safe and reliable; the utility model adopts the CPU controller, which has strong functions; the utility model can select the different injection speeds according to the concentration of the liquid medicine; the utility model has complete detection and alarm functions and the alarm function can differentiate different alarms by different sounds.
Description
Affiliated field
This utility model relates to a kind of supply of medicinal liquid automatic ration, electric-controlled mechanical injection device that is used for therapeutic treatment.
Background technology
In current clinical treatment, often run into some diseases in therapeutic process, need carry out continual timing, dosed administration to the patient, just need during diabetics regularly, be the patient infusion insulin quantitatively as treatment.Present unconditional patient can only adopt artificial timing manual injection, and the medicinal liquid consumption is wayward like this, and consumption is also inaccurate, owing to be subjected to artificial factor, is difficult to the therapeutic effect that reaches best.In hospital with good conditionsi, also just adapted the bigger fixing device of volume, patient can only use this fixing device in hospital's bed or minimum moving range, and this equipment is more suitable for patient with severe symptoms's rescue is used, and equipment must be operated by the doctor, can not be by patient from line operate.
The utility model content
The purpose of this utility model be design a kind of rational in infrastructure, easy to operate, can quantitative, optional concentration, the clear display portable liquor infusion device of understanding, having the detection alarm function.
The purpose of this utility model is achieved in that the structure of portable liquor infusion device is made up of power supply, control circuit, stepper motor driving circuit, motor, actuating device and medicinal liquid infusion device; Power supply links to each other with stepper motor driving circuit, control circuit respectively, and the rotating shaft of motor links to each other with the medicinal liquid infusion device by actuating device; Described control circuit comprises power control unit, CPU and operation control unit; Power control unit links to each other with CPU, and CPU links to each other with motor, and CPU also links to each other with operation control unit.
Described control circuit also comprises display unit, audible alarm unit and the controlling of sampling unit that links to each other with CPU respectively.
It is the central processing element of P87LPC764 that described CPU adopts model, and it is the power supply control chip of MAX1677 that power control unit adopts model; The input of power supply control chip links to each other with the 1.5V battery, the output of power supply control chip is divided into two-way, and one the tunnel is output as 3.3V, links to each other with corresponding power supply importation in the control circuit, another road is output as 18V, links to each other with motor by central processing element; The clock chip that links to each other with central processing element is PVF8583T.
Described actuating device comprises clasp nut, leading screw; Leading screw links to each other with the turning cylinder of motor, and leading screw is provided with clasp nut, and clasp nut is provided with clamping device, and the transfusion control end of medicinal liquid infusion device is installed on the clamping device.
Described medicinal liquid infusion device, battery, control circuit and motor are installed on respectively in three chambeies of shell body, the liquid outlet that shell body is provided with operation control key, display window and the medicinal liquid infusion device of operation control unit stretches out the hole, display window below be the display screen of display unit, shell body by about two parts spiral-lock form.
By above structure as can be known, this device volume is little, in light weight; All be that Chinese character shows to have demonstration backlight, be convenient to operation; Adopt the step mechanical gearing mechanism propulsion mode, safe and reliable; Adopt cpu controller, powerful; Have functions such as segmentation foundation rate, temporary transient foundation rate, heavy dose, timing heavy dose; Can select different injection speeds according to liquor strength; Have perfect detection and warning function, and warning function can be distinguished different alarms by different sound; With a joint 1.5V battery powered, use cost is low; Complete machine has only four buttons, and the keypad lock function is arranged, and is convenient to operation; Conventional water-proof function is arranged.
Description of drawings Fig. 1 is a structural representation of the present utility model; Fig. 2 is a theory diagram of the present utility model; Fig. 3 is a circuit diagram of the present utility model.
The specific embodiment
The portable liquor infusion device specific embodiment described in the utility model is as described below in conjunction with the accompanying drawings, referring to Fig. 1: its structure is by power supply, control circuit, motor 2, actuating device and medicinal liquid infusion device 5 are formed, medicinal liquid infusion device 5, power supply and control circuit are installed on respectively in three chambeies of shell body 7, shell body 7 is provided with operation control key, the liquid outlet of display window and medicinal liquid infusion device stretches out hole 8, the display window below is a display screen, shell body 7 is formed by two parts spiral-lock up and down, what power supply adopted is the aneroid battery 6 of 1.5V, and control circuit is arranged on the control circuit wiring board 1.Power supply links to each other with motor 2 by control circuit, and the rotating shaft of motor 2 links to each other with medicinal liquid infusion device 5 by actuating device.
Actuating device described in the utility model comprises clasp nut 4, leading screw 3; Leading screw 3 links to each other with the turning cylinder of motor 2, and leading screw 3 is provided with clasp nut 4, and clasp nut 4 is provided with clamping device, and the transfusion control end of medicinal liquid infusion device 5 is installed on the clamping device.
Control circuit described in the utility model comprises power control unit, CPU, operation control unit and the display unit, audible alarm unit, the controlling of sampling unit that link to each other with CPU; Power control unit links to each other with CPU, and CPU links to each other with motor, and CPU also links to each other with operation control unit; Display unit is connected with display screen, and display screen can adopt LCDs; Operation control unit is connected with operation control key; Controlling of sampling cell operation voltage sampling circuit, liquor strength sample circuit and medicinal liquid infusion device duty sample circuit; The audible alarm unit is made up of buzzer and control circuit thereof.
It is the central processing element of P87LPC764 that CPU described in the utility model adopts model, and the clock chip that links to each other with central processing element provides reference clock for it, and what adopted is that model is the clock chip of PVF8583T.
It is the power supply control chip of MAX1677 that power control unit adopts model; The input of power supply control chip links to each other with the 1.5V battery, the output of power supply control chip is divided into two-way, one the tunnel is output as 3.3V, link to each other with the corresponding power supply importation in the control circuit, be each circuit part power supply in the control circuit, another road is output as 18V, links to each other with motor by central processing element, is the motor power supply; 12 feet of power supply control chip link to each other with 6 feet of central processing element by the voltage monitoring chip, be used for when cell voltage is lower than 1.1V, sending the undervoltage alarm prompting, and send the line under-voltage prompt tone by audio oscillation chip controls buzzer by central processing element; 16 feet of power supply control chip provide 3.3V output, and 16 feet also are connected to low frequency filtering capacitor C 10, C34 and high-frequency filter capacitor C7, to obtain VD stably, output DC is by being the circuit part power supply after the diode-isolated, and be that storage capacitor C19 charges, storage capacitor C19 is connected with protective resistance R19, and C19 can be the circuit part power supply under powering-off state, to guarantee that set data message can not lost in long power-off time; 4 feet of power supply control chip link to each other with 14 feet of central processing element, be used for when voltage is lower than 0.93V, cutting off the electricity supply, and send the outage prompt tone by audio oscillation chip controls buzzer, the outage prompt tone is different from under-voltage prompt tone, is convenient to operator judge warning information from sound content; The 6 feet output 18V voltage of power supply control chip is to 7 feet of central processing element, deliver to the power-supplying circuit of motor through 19 feet of central processing element, by resistance R 14 is row's electric capacity charging in the Stepping Motor Control circuit, gather the charging voltage of electric capacity simultaneously by sampling resistor R15, R16, and deliver to 17 feet of central processing element, when electric capacity charging voltage during, then stop the electric capacity charging, and be the motor power supply by electric capacity to 18V.Simultaneously, also the duty collection of medical fluid injector is sent back to 9 feet of central processing element, central processing element information such as corresponding work state are exported by 11,12 feet is shown on the LED display.
The operation control unit that links to each other with central processing element comprises four operation control keys, link to each other with 1,20,16,18 feet of central processing element respectively, realize the selection of liquid medicine injection dosage, concentration, time etc., and the LED display demonstration corresponding setting by linking to each other with central processing element, be convenient to operator and be clear that set content.
The user carries out the selection of injecting liquid drug speed by operation control key, promptly injects the medicinal liquid of variable concentrations, adopts different injection speeds.The concentration of medicinal liquid is to carry out the program setting by operation control key, and the option of setting is divided into binomial, has selected different consistency controllers to carry out different injection volumes by different programs.
After the motor work, drive leading screw 3 rotations by its turning cylinder, clasp nut is just done radial motion along leading screw 3, thereby the medicinal liquid infusion device control end that pushing links to each other with its clamping device is realized the injection of medicinal liquid.Manual clasp nut resetted after injecting liquid drug was finished, and waited for next operation.
Claims (5)
1, a kind of portable liquor infusion device is characterized in that being made up of power supply, control circuit, stepper motor driving circuit, motor, actuating device and medicinal liquid infusion device; Power supply links to each other with control circuit, stepper motor driving circuit, and the rotating shaft of motor links to each other with the medicinal liquid infusion device by actuating device; Control circuit comprises power control unit, CPU and operation control unit; Power control unit links to each other with CPU, and CPU links to each other with motor, and CPU also links to each other with operation control unit.
2, portable liquor infusion device according to claim 1 is characterized in that described control circuit also comprises display unit, audible alarm unit and the controlling of sampling unit that links to each other with CPU respectively.
3, portable liquor infusion device according to claim 2 is characterized in that it is the central processing element of P87LPC764 that described CPU adopts model, and it is the power supply control chip of MAX1677 that power control unit adopts model; The input of power supply control chip links to each other with the 1.5V battery, the output of power supply control chip is divided into two-way, and one the tunnel is output as 3.3V, links to each other with corresponding power supply importation in the control circuit, another road is output as 18V, links to each other with motor by central processing element; The clock chip that links to each other with central processing element is PVF8583T.
4, portable liquor infusion device according to claim 1 and 2 is characterized in that described actuating device comprises clasp nut, leading screw; Leading screw links to each other with the turning cylinder of motor, and leading screw is provided with clasp nut, and clasp nut is provided with clamping device, and the transfusion control end of medicinal liquid infusion device is installed on the clamping device.
5, portable liquor infusion device according to claim 4, it is characterized in that described medicinal liquid infusion device, battery, control circuit and motor are installed on respectively in three chambeies of shell body, the liquid outlet that shell body is provided with operation control key, display window and the medicinal liquid infusion device of operation control unit stretches out the hole, display window below be the display screen of display unit, shell body by about two parts spiral-lock form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02232992 CN2557142Y (en) | 2002-04-29 | 2002-04-29 | Portable liquid medicine infusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02232992 CN2557142Y (en) | 2002-04-29 | 2002-04-29 | Portable liquid medicine infusion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2557142Y true CN2557142Y (en) | 2003-06-25 |
Family
ID=33708237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02232992 Expired - Fee Related CN2557142Y (en) | 2002-04-29 | 2002-04-29 | Portable liquid medicine infusion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2557142Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102629116A (en) * | 2012-04-12 | 2012-08-08 | 曾毅祺 | Control circuit and fluid output control device |
| CN109718426A (en) * | 2019-02-26 | 2019-05-07 | 京东方科技集团股份有限公司 | Transfusion control device and system, transfusion system |
-
2002
- 2002-04-29 CN CN 02232992 patent/CN2557142Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102629116A (en) * | 2012-04-12 | 2012-08-08 | 曾毅祺 | Control circuit and fluid output control device |
| CN109718426A (en) * | 2019-02-26 | 2019-05-07 | 京东方科技集团股份有限公司 | Transfusion control device and system, transfusion system |
| CN109718426B (en) * | 2019-02-26 | 2021-09-21 | 京东方科技集团股份有限公司 | Infusion control system and infusion system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |