CN101204597A - Transfusion drip speed actuating mechanism - Google Patents
Transfusion drip speed actuating mechanism Download PDFInfo
- Publication number
- CN101204597A CN101204597A CNA2006101477850A CN200610147785A CN101204597A CN 101204597 A CN101204597 A CN 101204597A CN A2006101477850 A CNA2006101477850 A CN A2006101477850A CN 200610147785 A CN200610147785 A CN 200610147785A CN 101204597 A CN101204597 A CN 101204597A
- Authority
- CN
- China
- Prior art keywords
- chip microcomputer
- transfusion
- motor
- screw
- press 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.)
- Granted
Links
Images
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to an executive mechanism for infusion drip speed, which is connected at an infusion tube between a drip funnel and a pinhead. The utility model comprises a guide way, a fixing press plate, a screw, a motor spindle sleeve, a flexible press plate and a junction plate. The junction plate is interconnected with an end face of a projecting shaft side of a stepping motor, and is fixed with the stepping motor through the screw; a motor rotating shaft is fixed with the motor spindle sleeve through a stop screw; the junction plate is connected with the guide way, a hole of the flexible press plate is sleeved on the guide way, and a top end of the guide way is connected with a fixing press plate through the screw; an end part of the motor spindle sleeve is provided with an external thread, which is meshed with an internal thread of the flexible press plate, and the infusion tube is positioned between the fixing press plate and the flexible press plate. An external wall of the drip funnel is relatively connected with a infrared transmitter and a infrared receiver, and is connected with a single chip microcomputer through a signal line; the single chip microcomputer is interconnected with a driver and a stepping motor in sequence, the stepping motor is connected with the executive mechanism for infusion drip speed, and a closed loop control system which is single chip microcomputer based is formed; a keyboard, a LCD display and a communication interface are respectively connected with the single chip microcomputer.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, be specifically related to a kind of actuator of adjustment transfusion drip speed of transfusion drip speed automatic detection and control device.
Background technology
Transfusion is a hospital to patient's medical procedure commonly used of curing the disease, and infusion process Chinese medicine drop speed should be distinguished to some extent according to different ages and disease, and the control of liquid drop speed is directly connected to therapeutic effect and people's life security.But at present a large amount of transfusions is still finished by manual operations by the traditional infusion device.Liquid drop speed in the infusion process also can only lean on eyes range estimation and clock contrast, and realizes by artificial adjustment pulley.Especially when transfusion finishes, patient to notify the nurse in time to pull out pin, all increased a lot of troubles for thus patient and nurse, the more important thing is the fluid delivery apparatus instability, liquid drop speed needs manually monitoring calibration constantly.
Summary of the invention
The purpose of this invention is to provide a kind of actuator of adjustment transfusion drip speed of transfusion drip speed automatic detection and control device, overcome existing conventional fluid delivery apparatus by manually-operated, by artificial shortcoming of monitoring calibration constantly, for hospital provides practical, stable, reliable automatic infusion equipment, can ensure higher infusion treatment quality, and alleviate the numerous nurses' of hospital working strength greatly.
Thinking of the present invention is: on the tube for transfusion between each dropping funnel and the syringe needle transfusion drip speed actuating mechanism is installed, by Single-chip Controlling, patient is at the beginning of transfusion, by the different transfusion speeds of nurse according to different patient's needs, by keyboard input drip speed/minute, send instruction control driver by single-chip microcomputer, the driver drives motor, the rotation of motor drives the movable pressing board lifting of transfusion drip speed actuating mechanism, tube for transfusion is produced pressure, change transfusion drip speed, can realize patient's whole infusion process is monitored automatically, transfusion finishes and promptly sends optical signal or acoustic alarm signal.
Transfusion drip speed actuating mechanism is connected on the tube for transfusion between each dropping funnel and the syringe needle, connects infrared transmitter and infrared remote receiver on the outer wall of each dropping funnel relatively, forms infrared detection mechanism with dropping funnel; Infrared detection mechanism is connected with single-chip microcomputer by holding wire, and single-chip microcomputer is connected successively with driver, motor, and motor is connected with the transfusion actuator, and forming with the single-chip microcomputer is the closed-loop control system of core; Keyboard, LCD display is connected with single-chip microcomputer respectively with communication interface; Transfusion drip speed actuating mechanism includes guide rail, fixation clip, and screw, motor shaft sleeve, movable pressing board and connecting plate are characterized in: connecting plate links to each other with the end face of motor shaft side, fixes by screw and motor; Machine shaft and motor shaft sleeve are fixed by stopping screw; Also be connected with guide rail on the connecting plate, the borehole jack of movable pressing board is on guide rail, and the guide rail top connects a fixation clip by screw; The motor shaft sleeve end has external screw thread, the female thread engagement of it and movable pressing board, and tube for transfusion is placed between fixation clip and the movable pressing board.
Communication interface of the present invention is a serial communication bus, the linking to each other from single-chip microcomputer of every the sick bed in it and scene; Drop in the infusion unit titrimeter is detected by infrared device blanking time, single-chip microcomputer contrasts according to the speed setting value of dripping of this time interval signal and keyboard input, by the concrete controlled quentity controlled variable of fuzzy control software output, affact motor through drive circuit, the direction of rotation of motor and speed are determined by the control law of fuzzy microcontroller software fully.The rotation of motor shaft drives the movable pressing board lifting of transfusion actuator, movable pressing board affacts on the tube for transfusion of disposable transfusion device, the sectional area of flexible pipe is changed, and whole infusion set is realized closed loop control, and the velocity-stabilization of infusion liquid drop is near ideal setting value the most at last.
The present invention controls respond well, and the maximum control time is less than 60s, and departure 4% is with interior (drip a fast scope 20-200 drip/minute).For hospital provides practical, stable, reliable automatic infusion equipment, can ensure higher infusion treatment quality, alleviate the numerous nurses' of hospital working strength simultaneously greatly, realize the omnidistance speed control system automatization of transfusion.
Description of drawings
Below in conjunction with drawings and Examples the present invention is described in detail.
Fig. 1 is the present invention's actuator structural representation of infusing;
Fig. 2 is the structural principle block diagram that the present invention controls infusion process;
Fig. 3 is infrared device annexation figure of the present invention.
1. guide rail, 2. fixation clip, 3. screw, 4. tube for transfusion, 5. motor shaft sleeve, 6. movable pressing board, 7. connecting plate, 8. dropping funnel, 9. syringe needle, 10. infrared transmitter, 11. infrared remote receivers, 12. transfusion actuators.
The specific embodiment
The present invention connects infrared transmitter 10 and infrared remote receiver 11 as shown in Figure 3 relatively on the dropping funnel 8 of each transfusion device, form infrared detection mechanism with dropping funnel 8.When drop receives axis through emission, the signal of infrared remote receiver 11 changes, the variation of infrared signal has characterized the interval between drop between two drops, be converted into speed by this interval of single chip computer measurement and by software, fuzzy control software output control corresponding amount by single-chip microcomputer, pass to motor through driver, drive transfusion drip speed actuating mechanism 12 by motor, realize dripping the velocity modulation joint, the starting stage of infusing can be dripped speed (droplet/minute) data input single-chip microcomputer by manually setting by host keyboard (being installed in the Centralized Monitoring chamber) or slave keyboard (being installed in the sick bed place).The collection of transfusion end signal, available with a pair of infrared electro device, cooperate by software, after single-chip microcomputer was handled, first display lamp optical signal if nobody intervenes, sent acoustic alarm signal by buzzer after the time-delay again.
Design principle of the present invention as shown in Figure 2, infrared detection mechanism is connected with single-chip microcomputer by holding wire; Be connected transfusion actuator 12 on the tube for transfusion between each dropping funnel 8 and the syringe needle 9, single-chip microcomputer is connected successively with driver, motor, and motor is connected by screw with the actuator 12 of infusing, and formation is the closed-loop control system of core with the single-chip microcomputer; Keyboard, LCD display is connected with single-chip microcomputer respectively with communication interface.
The transfusion actuator is the critical component of transfusion drip speed automatic detection and control device, and as shown in Figure 1, it includes guide rail 1, fixation clip 2, screw 3, motor shaft sleeve 5, movable pressing board 6 and connecting plate 7, connecting plate 7 links to each other with the end face that the micro machine shaft is surveyed, and fixes by screw and motor; Machine shaft and motor shaft sleeve 5 are connected; Also be connected with guide rail 1 on the connecting plate 7, the borehole jack of movable pressing board 6 is on guide rail 1, and the guide rail top connects a fixation clip 2 by screw 3; Motor shaft sleeve 5 ends have external screw thread, the female thread engagement of it and movable pressing board 6, and tube for transfusion 4 is placed between fixation clip 6 and the movable pressing board 7.Drop in the disposable transfusion device dropping funnel 8 is detected by infrared device blanking time, single-chip microcomputer contrasts according to the speed setting value of dripping of this time interval signal and keyboard input, by the concrete controlled quentity controlled variable of fuzzy control software output, affact motor through drive circuit, 6 liftings of motor shaft sleeve screw drive movable pressing board, force tube for transfusion 4 to be squeezed, cause the sectional area of tube for transfusion to change, thereby changed the flow resistance of liquid in pipe, the cross section is big more, and fluid resistance is more little, and the cross section is more little, fluid resistance is big more, thereby has controlled the speed of drop.The transfusion actuator under the control action of single-chip microcomputer the most at last the velocity-stabilization of infusion liquid drop near ideal setting value.This transfusion actuator is simple in structure, and is easy to process, and has boosting function, can reduce power of motor.Transfusion drip speed automatically control is respond well, and departure sees Table 1, drip speed drip at 20-200/minute between, departure is in 4%.
Table 1: departure
| The setting value unit: drip/minute | Stationary value unit: drip/minute | Departure unit: % |
| 20 | 20 | 0 |
| 40 | 41 | 2.5 |
| 60 | 61 | 1.7 |
| 80 | 78 | 2.5 |
| 100 | 99 | 1 |
| 120 | 121 | 0.8 |
| 140 | 145 | 3.6 |
| 160 | 158 | 1.3 |
| 180 | 187 | 3.9 |
| 200 | 204 | 2 |
The maximal regulated time sees Table 2, arrives 20 droplets/minute the maximum duration of adjustment process (conversion mutually) less than 60s by dripping 200 droplets/minute of speed.
Communication interface provides serial communication bus, and the linking to each other from single-chip microcomputer of every the sick bed in it and scene, this bus also links to each other with the main frame of Control Room.Whole transfusion drip speed automatic detection and control device is designed to principal and subordinate's machine compartment system.This interface is used for communicating by letter between main frame and the slave, and main frame can be placed on the Centralized Monitoring chamber, and slave then is placed on the sick bed scene, and the longest communication distance is greater than 1000 meters.The transfusion state and the liquid drop speed of each slave can be set or inquire about to main frame, and the start and stop of remote-controlled each slave, before slave is located at on-the-spot each patient's bed, can directly set the start and stop of dripping speed and this machine of control by keyboard button.
The table 2 adjusting time
| Initial value unit: drip/minute | The setting value unit: drip/minute | Regulate unit of time: second |
| 200 | 20 | 53 |
| 200 | 20 | 59 |
| 200 | 20 | 53 |
| 200 | 20 | 52 |
| 200 | 20 | 51 |
| 200 | 20 | 56 |
| 20 | 200 | 25 |
| 20 | 200 | 30 |
| 20 | 200 | 27 |
| 20 | 200 | 28 |
| 20 | 200 | 26 |
| 20 | 200 | 24 |
Claims (1)
1. transfusion drip speed actuating mechanism is connected on the tube for transfusion between each dropping funnel and the syringe needle; On the outer wall of each dropping funnel, connect infrared transmitter and infrared remote receiver relatively, form infrared detection mechanism with dropping funnel; Infrared detection mechanism is connected with single-chip microcomputer by holding wire, and single-chip microcomputer is connected successively with driver, motor, and motor is connected with transfusion drip speed actuating mechanism, and forming with the single-chip microcomputer is the closed-loop control system of core; Keyboard, LCD display is connected with single-chip microcomputer respectively with communication interface; Transfusion drip speed actuating mechanism includes guide rail, fixation clip, and screw, motor shaft sleeve, movable pressing board and connecting plate is characterized in that: connecting plate links to each other with the end face of motor shaft side, fixes by screw and motor; Machine shaft and motor shaft sleeve are fixed by stopping screw; Also be connected with guide rail on the connecting plate, the borehole jack of movable pressing board is on guide rail, and the guide rail top connects a fixation clip by screw; The motor shaft sleeve end has external screw thread, the female thread engagement of it and movable pressing board, and tube for transfusion is placed between fixation clip and the movable pressing board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101477850A CN100556474C (en) | 2006-12-22 | 2006-12-22 | Transfusion drip speed actuating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101477850A CN100556474C (en) | 2006-12-22 | 2006-12-22 | Transfusion drip speed actuating mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101204597A true CN101204597A (en) | 2008-06-25 |
| CN100556474C CN100556474C (en) | 2009-11-04 |
Family
ID=39565224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101477850A Expired - Fee Related CN100556474C (en) | 2006-12-22 | 2006-12-22 | Transfusion drip speed actuating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100556474C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104623765A (en) * | 2015-03-13 | 2015-05-20 | 湖南新云医疗装备工业有限公司 | Transfusion monitoring system for digital hospital bed based on infrared speed measurement |
| WO2015085672A1 (en) * | 2013-12-11 | 2015-06-18 | 北京天恒盛通科技发展有限公司 | Shoe sole preventing muddy water splashing and manufacturing method thereof |
| CN107715237A (en) * | 2017-10-23 | 2018-02-23 | 陈丽曼 | Infusion monitoring warning system |
| CN109513068A (en) * | 2018-11-13 | 2019-03-26 | 张磊 | A kind of transfusion drip speed control system, infusion device and control method |
-
2006
- 2006-12-22 CN CNB2006101477850A patent/CN100556474C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015085672A1 (en) * | 2013-12-11 | 2015-06-18 | 北京天恒盛通科技发展有限公司 | Shoe sole preventing muddy water splashing and manufacturing method thereof |
| CN104623765A (en) * | 2015-03-13 | 2015-05-20 | 湖南新云医疗装备工业有限公司 | Transfusion monitoring system for digital hospital bed based on infrared speed measurement |
| CN107715237A (en) * | 2017-10-23 | 2018-02-23 | 陈丽曼 | Infusion monitoring warning system |
| CN109513068A (en) * | 2018-11-13 | 2019-03-26 | 张磊 | A kind of transfusion drip speed control system, infusion device and control method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100556474C (en) | 2009-11-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN200987806Y (en) | Automatic detecting controller for transfusion drip speed | |
| CN201492747U (en) | Medical intelligent infusion set | |
| CN202223641U (en) | Intelligent safe transfusion system | |
| CN201110955Y (en) | Medical infusion velocity monitoring and controlling device based on machine vision | |
| CN100556474C (en) | Transfusion drip speed actuating mechanism | |
| CN201073475Y (en) | Intravenous transfusion monitoring apparatus | |
| CN108095933B (en) | intelligent rehabilitation bed and rehabilitation system | |
| CN202802362U (en) | Dripping speed control and liquid level detection alarm based on infrared | |
| CN205215859U (en) | Intelligent infusion device | |
| CN2850627Y (en) | Transfusion automatic monitor | |
| CN203971061U (en) | A kind of transfusion nursing instrument | |
| CN101623524A (en) | Intelligent infusion device based on wireless network | |
| CN202143737U (en) | Micro-control instrument for infusion dropping speed and heating | |
| CN106237447A (en) | The intelligent transfusion supervising device of a kind of controllable infusion flow velocity and method | |
| CN104857594B (en) | Air-pump type integrates infusion equipment | |
| CN102049075A (en) | Micro controller for infusion dropping speed and heating | |
| CN2855434Y (en) | Full antomatic smart transfusion controller | |
| CN101455867B (en) | Portable intelligent fluid-transfusion or blood-transfusion drop-speed controller | |
| CN201171835Y (en) | Portable intelligent fluid-transfusion or blood-transfusion drop-speed controler | |
| CN2546040Y (en) | Automatic measuring controller for drip speed | |
| CN104857595A (en) | Air pump type portable transfusion equipment | |
| CN2897987Y (en) | Automatic oxygen maker | |
| CN115212388A (en) | Intelligent preoperative continuous infusion device | |
| CN209951945U (en) | Infusion dripping speed display control device | |
| CN204671646U (en) | The Intelligent transfusion apparatus that a kind of flow velocity is controlled |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20091104 Termination date: 20111222 |