CN2566870Y - Target control injection pump - Google Patents
Target control injection pump Download PDFInfo
- Publication number
- CN2566870Y CN2566870Y CN 02253495 CN02253495U CN2566870Y CN 2566870 Y CN2566870 Y CN 2566870Y CN 02253495 CN02253495 CN 02253495 CN 02253495 U CN02253495 U CN 02253495U CN 2566870 Y CN2566870 Y CN 2566870Y
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- syringe
- syringe pump
- screw mandrel
- utility
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Abstract
The utility model provides a target-control injection pump, which comprises a machine enclosure and a syringe. A display screen, a turn button, a switching key, a muting key, etc. are arranged on the outside of the machine enclosure. The speed of a stepping motor is reduced by a speed reducing device, and then the stepping motor is driven to a screw rod with a saw tooth-shaped thread and a clasp nut. A short guiding sleeve barrel is sheathed on the outside of a long guiding sleeve barrel, wherein, one end of which is connected with a guiding sliding block and the clasp nut, and the other end of the long guiding sleeve barrel is connected with a handle knob of a disengaged screw rod and a pushing seat for a needle tube. A microswitch is arranged on the pushing seat for the needle tube and the rear end of a syringe, a pressing handle is arranged on a syringe tube, and the pressing handle is connected with a detecting sliding block by a pull rod. A detection device for installing position of the syringe is also arranged in the machine enclosure. The utility model implements the functions of the target control of blood concentration, the target control of the concentration of an effect position, the installing position detection of the syringe, bigger speed range, the data exchange of the utility model and a PC and liquid crystal display of Chinese localization. The utility model is frequently used for anesthetic injection, intravenous transfusion, a cancer patient's medicine chemotherapy, etc.
Description
Technical field
This utility model relates to a kind of automated injection device, particularly a kind of target control syringe pump according to the development of TCI technology.
Background technology
TCI is the abbreviation of Target Controlled Infusion, i.e. blood drug level, effective-site concentration target controlled infusion technology, and the target controlled infusion technology is a kind of new medication pattern.The normal injection pump, generally comprise motor, reducing gear, screw mandrel, nut, guide post and needle tubing and push away seat, after motor slows down through deceleration device, pass to screw mandrel by deceleration device, screw mandrel is with after nut cooperates, push away seat by the guide post transmission that is connected with nut to needle tubing again, promote needle tubing.The normal injection pump has only a kind of constant speed function in clinical use, because human body is not even matter, medicine has complicated distribution, metabolism, effect process in vivo, and the normal injection pump can not be realized stable drug influence.
Summary of the invention
The purpose of this utility model is to provide a kind of target control syringe pump, and it has the function of control of blood drug level target and the control of effective-site concentration target.
The technical solution of the utility model is: a kind of target control syringe pump comprises casing and syringe.Casing is provided with display screen, knob, power supply indicator and initiating key, stop key, fast key, closing key, switch key, start key and quiet key outward; Be provided with frame, machine power and checkout gear etc. in the casing.Machine power comprise be located at motor, deceleration device, screw mandrel and the clasp nut in the frame and be located at the outer gear of frame, long pilot sleeve, short-range missile to sleeve, handle knob and needle tubing pushes away seat.Checkout gear is located on the frame.The motor output torque slows down through deceleration device, arrives screw mandrel by gear drive again, and screw mandrel adopts saw-tooth thread, and screw mandrel cooperates with clasp nut; Long pilot sleeve overcoat short-range missile is to sleeve, and the one end is connected with clasp nut with guide runner, the other end and disengagement screw mandrel are handled knob pushes away seat with needle tubing and be connected.Push away on the seat at needle tubing, the syringe rear end is provided with microswitch; Syringe tube is provided with pressure handle, and pressure handle is connected with the detection slide block by pull bar.Also be provided with the detection injection device in the casing.
Effect of the present utility model: target control syringe pump integrated use basic pharmacology, clinical medicine, computer simulation technique and precision optical machinery manufacturing process, clinically, it be the more important thing is and can realize blood drug level, effective-site concentration target controlled infusion except the function of normal injection constant speed that pump has injection.This device is usually used in the medicine chemotherapy of anesthetis injection, venous transfusion, cancer patient etc., is applicable to relevant section office such as Anesthesia Department, ICU chamber, oncology.Product of the present invention realized the control of blood drug level target, the control of effective-site concentration target, syringe be in place detection, bigger velocity interval, realize exchanges data and Chinesizing liquid crystal display function with PC.
(1) realize the control of blood drug level target: by being to go up the physiological disposition of real-time Simulation medicine and calculate the speed that the blood drug level medicine descends on the computer, keep the stable tonic amount of blood drug level according to this speed calculation, drive stepping motor is implemented this compensation dose then;
(2) realize the control of effective-site concentration target: the physiological disposition by real-time Simulation medicine on the computer also calculates the speed that effective-site concentration medicine descends; Keep the compensation dose of effective-site concentration stabilize according to this speed calculation;
(3) the syringe detection that is in place: on the injecting body push rod, increase a microswitch, microswitch was not in its unaccessed state when syringe was installed, syringe installation rearward end is depressed microswitch and is made it to connect, and single-chip microcomputer is by judging to the detection of this microswitch whether syringe is in place;
(4) bigger velocity interval: normal injection pump speed scope generally has only 0～99.9ml/h, the present invention makes a step of motor be subdivided into for 8 steps by the particular design of stepper motor driving circuit, and increasing the electric current at each pulse initial stage, the method that reduces the electric current in each pulse later stage has increased motor efficient;
(5) realize exchanges data with PC: this machine has been realized the function of built-in single-chip microcomputer and PC and exchanges data.Method is by the serial communication level shifting circuit, and the signal level conversion with single-chip microcomputer makes it and PC signal level compatibility.By the application software on corresponding module in the scm software and the PC, can realize that data output and the incident in the whole medication process had access to;
(6) Chinesizing liquid crystal display function: display screen of the present invention has adopted visual LCD MODULE, realized the quick operation of single-chip microcomputer by visual LCD MODULE in the mode of direct extension bus to LCD MODULE, set up Chinese character in addition in the Single Chip Microcomputer (SCM) program storage area and shown type matrix, when needing to show Chinese character, in the mode of drawing Chinese character font is presented on the Liquid Crystal Module, thereby the Chinesizing that has realized full interface shows.
Description of drawings
Fig. 1 is an axonometric chart of the present utility model.
Fig. 2 is a primary structure sketch map of the present utility model.
Fig. 3 is a part-structure sketch map of the present utility model.
Fig. 4 is the disengagement screw mandrel of the present utility model structural representation of handling knob
Fig. 5 pushes away the holder structure sketch map for of the present utility model and needle tubing
Fig. 6 is a screw structure sketch map of the present utility model.
Fig. 7 is a complete machine of the present utility model mechanism block diagram.
Fig. 8 is a control system structural representation of the present utility model.
Fig. 9 is an electrical block diagram of the present utility model.
Among the figure:
1. throw off screw mandrel handle knob, 2. nut, 3. needle tubing push away seat, 4. long pilot sleeve, 5. short-range missile is to sleeve, 6. syringe, 7. nut, 8. guide runner, 9. motor, 10. checkout gear, 11. deceleration devices, 12. frames, 13. screw mandrels, 14. clasp nuts, 15. gears, 16. microswitch, 17. pressure handles, 18. pull bars, 19. detection slide blocks, 20. checkout gears.
The specific embodiment
As shown in Figure 1, comprise casing and syringe, casing is provided with display screen, knob, power supply indicator and initiating key, stop key, fast key, closing key, switch key, start key and quiet key outward.
As shown in Figure 2, be provided with frame 12, machine power and checkout gear 10 etc. in the casing.Machine power comprise the motor 9 that is located in the frame 12, deceleration device 11, screw mandrel 13 and clasp nut 14 and be located at the outer gear 15 of frame, long pilot sleeve 4, short-range missile to sleeve 5, handle knob 1 and needle tubing push away 3.Motor 9 output torques slow down through deceleration device 11, are transferred to screw mandrel 13 by gear 15 again, and screw mandrel 13 clasp nuts 14 cooperate.Screw structure as shown in Figure 6, screw mandrel adopts saw-tooth thread, not only guaranteed stability and the precision in the transmission, and make clasp nut and screw mandrel throw off, meshing more smooth, having avoided rectangular thread to throw off screw mandrel difficulty and clasp nut and screw mandrel at clasp nut can not be accurately meshing, influences the situation of injection precision.Long pilot sleeve 4 overcoat short-range missiles are to sleeve 5, the one end is connected with clasp nut 7 with guide runner 8, also fixes by nut 7, and is for convenience detach, makes long pilot sleeve and short-range missile more fastening between sleeve simultaneously, can not get loose, avoid using the fastening not factor of bringing of collar; The other end with throw off screw mandrel handle knob 1 with needle tubing push away seat 3 is connected, and by nut 2 fix, for convenience detach.When screw mandrel rotated, clasp nut drove long pilot sleeve and throws off screw mandrel and handle knob, motion vertically, and the disengagement screw mandrel is handled knob, and the promotion needle tubing pushes away seat and syringe moves together.Checkout gear 10 is housed on frame 12, and when syringe 6 pushed away sky, checkout gear 10 issued a signal to the parallel port expansion module, and motor quits work.
As shown in Figure 3, push away on the seat 3 at needle tubing, syringe 6 rear ends are provided with microswitch 16, when syringe is correct install after, microswitch is withstood, and signal is sent on the expansion module of parallel port by electric wire, detects normal, the motor operate as normal detects unusually, and motor quits work and reports to the police; Syringe 6 pipes are provided with pressure handle 17, and pressure handle 17 is connected with detection slide block 19 by pull bar 18, also are provided with in the casing and detect injection device 20.Correctly place syringe after mentioning pressure handle, put down pressure handle, can compress syringe, place the syringe of different size, the detection slide block that links to each other with pressure handle has different positions, sends signal input parallel port expansion module by checkout gear and can identify the syringe specification.
Shown in Fig. 4,5, throw off that screw mandrel is handled knob and needle tubing pushes away seat and is connected long guide thimble and short-range missile respectively to sleeve pipe, make their form branch body structure, load and unload very convenient.
As shown in Figure 7, serial port module, Single Chip Microcomputer (SCM) system, parallel port expansion module and step motor drive module are connected successively, and syringe is in place to detect and is connected with the parallel port expansion module.Behind the signal of Single Chip Microcomputer (SCM) system reception under the systems soft ware support from serial port module, again by the parallel port expansion module, parallel port expansion module acceptance is in place from syringe after the signal indication that detects, enter the step motor drive module, drive stepping motor, motor is exported to screw mandrel and clasp nut by deceleration device, remakes to use syringe and push away seat.
As shown in Figure 8, by monolithic processor controlled digital signal, through the power amplifier drive stepping motor, display procedure for displaying information and operation indicating, program storage storage control program, keyboard are used for setting various parameters.The W77E58 single-chip microcomputer is as control centre, and system clock frequency is 12MHz, and the external data memory of expansion uses 62256, and capacity is 32K, and chip selection signal is translated by the 74HC139 decoder, and system uses a slice 8255 to expand parallel I/O interface; 8522 A door output step motor control pulse, B mouth and C mouth are done standby.
As shown in Figure 9, on original control circuit figure, set up the pass machine data and preserved, serial data input, output, pulse codr replaces numeric keypad, and soft switch replaces hard switching, the syringe detection that is in place, the input of keypad function knob, motor segmentation, and liquid crystal display Chinesizing.
Pass machine data preservation realizes that by the M24C64 integration module data that assurance is provided with after the shutdown are not lost; Serial data input, output realizes by MAX232, can two machine parallel operation, also can link to each other with PC, and carry out exchanges data; Pulse codr replaces numeric keypad to be realized by JP13, and the mouth line that has reduced the parallel port expansion module uses, and has improved the data input speed, has simplified input step; Soft switch replacement hard switching is realized by Q3, Q8 and D11, changes electronic non-contact switch into by mechanical contact switch, improves equipment dependability; Syringe is in place to detect and realizes by J13.Whether utilize microswitch to detect the syringe installation puts in place; The input of keypad function knob realizes that by two J11, U22 and Q7 increased switching, dashed in advance, the mute function knob makes operation more simple and clear; The motor segmentation realizes by M1, M2, has reduced total noise of centrifuge, increases injection precision, improves output; The liquid crystal display Chinesizing realizes by J2, is fit to Chinese more and uses.
Claims (10)
1. target control syringe pump, comprise casing and syringe, comprise casing and syringe, be provided with frame, machine power and checkout gear etc. in the casing, machine power comprises that the gear and the needle tubing that are located at motor, deceleration device, screw mandrel and the clasp nut in the frame and are located at outside the frame push away seat etc., checkout gear is located on the frame, the motor output torque, slow down through deceleration device, arrive screw mandrel by gear drive again, screw mandrel cooperates with clasp nut, it is characterized in that needle tubing pushes away on the seat, the syringe rear end is provided with microswitch.
2. syringe pump as claimed in claim 1 is characterized in that syringe tube is provided with pressure handle, and pressure handle is connected with the detection slide block by pull bar.
3. syringe pump as claimed in claim 1 is characterized in that also being provided with in the casing syringe checkout gear that is in place.
4. syringe pump as claimed in claim 1 or 2 is characterized in that casing is provided with display screen outward.
5. syringe pump as claimed in claim 1 is characterized in that long pilot sleeve overcoat short-range missile to sleeve, and the one end is connected with clasp nut with guide runner, the other end and disengagement screw mandrel are handled knob pushes away seat with needle tubing and be connected.
6. syringe pump as claimed in claim 1 is characterized in that screw mandrel adopts saw-tooth thread.
7. syringe pump as claimed in claim 1, comprise monolithic processor controlled digital signal, through the power amplifier drive stepping motor, display procedure for displaying information and operation indicating, the program storage storage control program, keyboard is used for setting various parameters, it is characterized in that the motor segmentation that realizes by M1, M2.
8. syringe pump as claimed in claim 7 is characterized in that having set up the serial data input, the output that are realized by MAX232.
9. syringe pump as claimed in claim 7 is characterized in that having set up the pulse codr of being realized by JP13; Import by the keypad function knob that two J11, U22 and Q7 realize.
10. syringe pump as claimed in claim 7 is characterized in that syringe is in place to detect to realize by J13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02253495 CN2566870Y (en) | 2002-09-05 | 2002-09-05 | Target control injection pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02253495 CN2566870Y (en) | 2002-09-05 | 2002-09-05 | Target control injection pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2566870Y true CN2566870Y (en) | 2003-08-20 |
Family
ID=33722632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02253495 Expired - Fee Related CN2566870Y (en) | 2002-09-05 | 2002-09-05 | Target control injection pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2566870Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102406972A (en) * | 2011-09-26 | 2012-04-11 | 肖俊涛 | Medical quantitative infusion device |
| CN102908695A (en) * | 2012-09-29 | 2013-02-06 | 深圳玉升医疗科技有限公司 | Automatic injection pump |
| CN105339021A (en) * | 2013-03-19 | 2016-02-17 | 株式会社Jms | Syringe pump and syringe pump control method |
| CN105457123A (en) * | 2015-11-26 | 2016-04-06 | 北京大学第一医院 | Medicine use control system of large-dosage methotrexate |
| CN107249670A (en) * | 2015-02-27 | 2017-10-13 | 诺和诺德股份有限公司 | With the accessory device for installing security feature |
| CN109629014A (en) * | 2018-12-27 | 2019-04-16 | 广东工业大学 | A kind of syringe pump system |
| CN110082553A (en) * | 2019-06-13 | 2019-08-02 | 德运康明(厦门)生物科技有限公司 | A kind of horizontal micro-fluidic syringe pump of multichannel and its control method |
| WO2021056265A1 (en) * | 2019-09-25 | 2021-04-01 | 深圳迈瑞科技有限公司 | Syringe pump, syringe pump system, syringe pump control method, and storage medium |
-
2002
- 2002-09-05 CN CN 02253495 patent/CN2566870Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102406972A (en) * | 2011-09-26 | 2012-04-11 | 肖俊涛 | Medical quantitative infusion device |
| CN102908695A (en) * | 2012-09-29 | 2013-02-06 | 深圳玉升医疗科技有限公司 | Automatic injection pump |
| CN102908695B (en) * | 2012-09-29 | 2015-04-01 | 深圳麦科田生物医疗技术有限公司 | Automatic injection pump |
| CN105339021A (en) * | 2013-03-19 | 2016-02-17 | 株式会社Jms | Syringe pump and syringe pump control method |
| CN105339021B (en) * | 2013-03-19 | 2018-05-29 | 株式会社Jms | The control method of micro-injection pump and micro-injection pump |
| CN107249670A (en) * | 2015-02-27 | 2017-10-13 | 诺和诺德股份有限公司 | With the accessory device for installing security feature |
| CN107249670B (en) * | 2015-02-27 | 2020-12-08 | 诺和诺德股份有限公司 | Accessory device with installation safety feature |
| CN105457123A (en) * | 2015-11-26 | 2016-04-06 | 北京大学第一医院 | Medicine use control system of large-dosage methotrexate |
| CN109629014A (en) * | 2018-12-27 | 2019-04-16 | 广东工业大学 | A kind of syringe pump system |
| CN110082553A (en) * | 2019-06-13 | 2019-08-02 | 德运康明(厦门)生物科技有限公司 | A kind of horizontal micro-fluidic syringe pump of multichannel and its control method |
| WO2021056265A1 (en) * | 2019-09-25 | 2021-04-01 | 深圳迈瑞科技有限公司 | Syringe pump, syringe pump system, syringe pump control method, and storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20050121 Pledge (preservation): Preservation |
|
| 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 |