CN2284072Y - Portable microcomputer transfusion instrument - Google Patents
Portable microcomputer transfusion instrument Download PDFInfo
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- CN2284072Y CN2284072Y CN 96219087 CN96219087U CN2284072Y CN 2284072 Y CN2284072 Y CN 2284072Y CN 96219087 CN96219087 CN 96219087 CN 96219087 U CN96219087 U CN 96219087U CN 2284072 Y CN2284072 Y CN 2284072Y
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Abstract
The utility model relates to a portable microcomputer transfusion instrument, which detects, controls and regulates transfusion process and is comprises an SCM microcomputer circuit, a flow quantity and transfusion finishing detection circuit, a heart rate detection circuit, an air bubble blocking detection circuit, a keyboard, an alarm display circuit, a motor speed control circuit, a micro-pump control circuit, a printer and a communication interface. The output ends of each detection circuit and the keyboard are connected with the input end of the SCM; the input ends of the alarm display circuit and the motor speed control circuit are connected with the output end of the SCM; the printer and the communication interface are respectively connected with a data port and a communication port of the SCM; the input end of the micro-pump control circuit is connected with the output end of the motor speed control circuit; the output end of the micro-pump control circuit is connected with the data port of the SCM. The portable microcomputer transfusion instrument has high accuracy, small volume, light weight, power consumption saving, low cost, simple operation and convenient carrying. The portable microcomputer transfusion instrument is free from the influence of specific environment, and is suitable for field dressing stations, general wards, emergency rooms, salvage rooms, care wards and household wards.
Description
This utility model relates to a kind of medical treatment and nursing transfusion instrument by microcomputerized control.
Hospital is in transfusion is observed at present, and medical personnel carry out manual time-keeping to the number that drips of liquid by the number that drips in the Murphy's burette, regulate infusion flow as benchmark, and this method is not only time-consuming but also inaccurate.
For addressing this problem, domestic and foreign literature has been reported and will have been infused and computer technology combines and advances the trend of infusion set development.The portable electronic speed control transfusion device of reporting in several pieces of documents of domestic retrieval, transfer the files by the simple manually dial of the eighties and to regulate motor speed and control flow, it is to actual flow signal no return measuring ability, and automaticity is low, performance reliability is poor.Other all adopts the method for electronics countdown, photoelectric sensing surplus and simple closed circuit pressure (inflating) as quantitative transfusion device, alarm device, many with making things convenient for transfusion device etc. in bottle, function singleness, technical performance and degree of accuracy are poor.Production both at home and abroad at present and the infusion pump of using, combine with microcomputer by the ray machine electricity, with the peristaltic pump is that transfusion speed is regulated and controlled to power source, but because its cost height, design is complicated, volume big, carry inconvenience, most ofly need special-purpose standard tube for transfusion, be not easy to maintenance, no information storage and record, thereby be only applicable to uses such as ICU or CCU care unit, Emergency Room, operating room, be difficult to satisfy hospital's public ward, pre hospital care and family ward and use.See also " medical apparatus and instruments document " 1984 8 (2) P21-P23, (1) P14 in 1988, (3) P52, nineteen ninety (3) P3-P10 in 1989, (4) P9 in 1991.
In view of above-mentioned, this utility model will provide a kind of degree of accuracy height, little, the cheap power saving of volume, can write down the Portable Microprocessor Based transfusion instrument that stores infusion parameter and control infusion process.
For reaching this purpose, this utility model by the following technical solutions:
A kind of Portable Microprocessor Based transfusion instrument, comprise by single-chip microcomputer, address latch, memorizer, the single chip microcomputer circuit that decoder constitutes, it is characterized in that: it comprises that also flow has reached the liquid testing circuit, the heart rate detection circuit, bubble occlusion detection circuit, remote-controlled launcher, keyboard, sound light alarming circuit, the parameter display circuit, the motor speed controllable circuit, the micropump control circuit, printer, communication interface, wherein: described flow has reached the liquid testing circuit, the heart rate detection circuit, bubble occlusion detection circuit, remote-controlled launcher, the output of keyboard connects the input of described single chip microcomputer circuit; The input of described sound light alarming circuit, parameter display circuit, motor speed controllable circuit connects the output of described single chip microcomputer circuit; The data port of the described single chip microcomputer circuit of described printer interface; Described communication interface connects the communication port of described single chip microcomputer circuit; The input of described micropump control circuit connects the output of described motor speed controllable circuit, and the output of described micropump control circuit connects the data port of described single chip microcomputer circuit.
This transfusion instrument send the single chip microcomputer circuit with the signal that flow has reached liquid testing circuit, heart rate detection circuit, bubble occlusion detection circuit, single-chip microcomputer is handled the back promptly shows liquid in the several seconds the heart rate that drips number, flow, patient, single-chip microcomputer is reported to the police to abnormal conditions by sound light alarming circuit, single-chip microcomputer is implemented to regulate, control to micropump, realize functions such as speed governing, pressurization, also can carry out data storage and output print and record.Its communication interface can connect the center nurse station, so that concentrate monitoring.
The utlity model has that degree of accuracy height, volume are little, in light weight, advantage such as power consumptive province, cost are low, simple to operate, be easy to carry, a tractor serves several purposes.It is not subjected to such as indoor and outdoor, daytime and night, in transit, the influence of special environment such as special-purpose standard tube for transfusion, drip stand, the patient who is specially adapted to field operations forward position war wound rescue and FDS, hospital's public ward, emergency room, rescue room, care unit uses, and the patient in general average family ward also can grasp use voluntarily.
Below in conjunction with drawings and Examples this utility model is elaborated.
Fig. 1 is the circuit block diagram of transfusion instrument;
Fig. 2 and Fig. 3 are the electrical schematic diagrams of transfusion instrument.
See also Fig. 1.This utility model comprises tool housing, comprise the single chip microcomputer circuit that constitutes by single-chip microcomputer, address latch, memorizer, decoder, comprise that also flow has reached liquid testing circuit, heart rate detection circuit, bubble occlusion detection circuit, keyboard, sound light alarming circuit, parameter display circuit, motor speed controllable circuit, micropump control circuit, printer, communication interface.Wherein: flow has reached the input of the output order sheet microcomputer circuit of liquid testing circuit, heart rate detection circuit, bubble occlusion detection circuit, keyboard; The output of the input order sheet microcomputer circuit of sound light alarming circuit, parameter display circuit, motor speed controllable circuit; The data port of printer interface single chip microcomputer circuit; The communication port of communication interface order sheet microcomputer circuit; The input of micropump control circuit connects the output of motor speed controllable circuit, the data port of the output order sheet microcomputer circuit of micropump control circuit.
This transfusion instrument detects by micro computer, and the various signals in the transfusion are gathered and handled, and infusion process is controlled and is regulated, to be implemented in the medical treatment and nursing technology monitoring and the control to various parameters such as liquid and patient heart rate.Whole device is by the micro computer programmed settings.
The transfusion instrument send the single chip microcomputer circuit with the signal that flow has reached liquid testing circuit, heart rate detection circuit, bubble occlusion detection circuit, the heart rate that drips number, flow, patient that shows liquid after single-chip microcomputer is handled immediately, single-chip microcomputer is reported to the police to abnormal conditions by sound light alarming circuit, single-chip microcomputer is implemented to regulate, control to micropump, realize functions such as speed governing, pressurization, also can carry out data storage and output print and record, so as the transfusion in various parameters grasp, inquire about and take control corresponding.Its communication interface can connect the center nurse station, so that concentrate monitoring.
See also Fig. 2 and Fig. 3.This transfusion instrument adopts the single chip microcomputer circuit that is made of 8751 single-chip microcomputers, 373 address latchs, memorizer, the 138 decoders controller as whole instrument.
It is same testing circuit that flow has reached liquid testing circuit, heart rate detection circuit, bubble occlusion detection circuit.This testing circuit is made of through being connected in series successively pick off, wave filter, amplifier, reshaper.Its pick off adopts TLN107, TLP107 infrared emission to receive the detection of pipe as fluid flow, intact liquid, heart rate, and its amplifier is made up of two-stage MC3103 or LM324 amplifier A1 and A2, inserts low pass filter between A1 and the A2, with filtering interference signals.Output current signal after the pick off received signal amplifies and converts voltage signal to through amplifier, send the interruption foot INT of single-chip microcomputer again after the reshaper shaping.A3 constitutes emitter follower, and positive supply Vcc is added to the in-phase input end of A3 after R3 and R4 dividing potential drop, and its output is as the reference voltage of amplifier A1, A2.Amplifier A4 and transistor BG are composed in series the amplitude test circuit, and amplifier A4 constitutes emitter follower, and the output of second level amplifier A2 connects the input of the follower A4 in the amplitude test circuit and the input of reshaper.The output of amplitude test circuit connects the EA input of single-chip microcomputer.
Single-chip microcomputer is by the chip select pin of decoder circuit taking alarm and 8255 keyboard and display interface chips, and keyboard and display interface chip 8255 joins with keyboard and light-emitting diode display again.P0 mouth and P2 mouth be as the address and the keyboard and display interface of program storage, can select the flow velocity, time of liquid, regularly by keyboard, can show various infusion parameter by display.Warning circuit is reported to the police to the liquid lock that takes place in the infusion process, intact liquid, bubble phenomenon and timing etc.
The motor speed controllable circuit is made up of pulse-width modulation circuit PWM, motor, velometer, the input of pulse-width modulation circuit meets the delivery outlet P1 of single-chip microcomputer, the main circuit power supply of pulse-width modulation circuit control motor, the input of velometer connects motor output, the output of velometer meets the data port P0 of single-chip microcomputer, the motor-driven micropump.
The micropump control circuit is made up of micropump, pressure transducer, wave filter, A-D converter A/D0809, pressure transducer, wave filter, A-D converter three are connected in series successively, the input of pressure transducer connects micropump, and the output of A-D converter meets the data port P0 of single-chip microcomputer.
Single-chip microcomputer is switched on or switched off the ratio (being dutycycle) of time by the change motor stator voltage and controls rotating speed of motor according to the pressure of the micropump that is received, and then adjusts the pressure of micropump.
The transfusion instrument detects infusion data by testing circuit, and can pass through motor-micropump control circuit adjustment transfusion index, control infusion process.
Mini-printer TP-40A directly meets the data port P0 of single-chip microcomputer, various indexes in the infusion process is write down, stores, so that inquiry.The P30 of single-chip microcomputer, P31 foot connect the PC main frame by communication interface BG117, so that the center nurse station concentrates monitoring.
Convenient for handling instrument, in other embodiment of the present utility model, the input of single chip microcomputer also is connected to remote-controlled launcher.
Claims (5)
1. a Portable Microprocessor Based transfusion instrument comprises the single chip microcomputer circuit that is made of single-chip microcomputer, address latch, memorizer, decoder, it is characterized in that:
It comprises that also flow has reached liquid testing circuit, heart rate detection circuit, bubble occlusion detection circuit, keyboard, sound light alarming circuit, parameter display circuit, motor speed controllable circuit, micropump control circuit, printer, communication interface, wherein:
The output that described flow has reached liquid testing circuit, heart rate detection circuit, bubble occlusion detection circuit, keyboard connects the input of described single chip microcomputer circuit;
The input of described sound light alarming circuit, parameter display circuit, motor speed controllable circuit connects the output of described single chip microcomputer circuit;
The data port of the described single chip microcomputer circuit of described printer interface;
Described communication interface connects the communication port of described single chip microcomputer circuit;
The input of described micropump control circuit connects the output of described motor speed controllable circuit, and the output of described micropump control circuit connects the data port of described single chip microcomputer circuit.
2. Portable Microprocessor Based transfusion instrument as claimed in claim 1 is characterized in that:
Described flow has reached liquid testing circuit, heart rate detection circuit, bubble occlusion detection circuit and has been made of photoelectric sensor, amplifier, reshaper, amplitude test circuit, photoelectric sensor, amplifier, reshaper three are connected in series successively, the output of its reshaper connects the interruption foot of described single-chip microcomputer, and the output of its amplifier also connects the input of described single-chip microcomputer through the amplitude test circuit.
3. Portable Microprocessor Based transfusion instrument as claimed in claim 2 is characterized in that:
Described amplitude test circuit is made up of follower and transistor series;
Described amplifier is made of dual-stage amplifier, and two-stage is put and is connected in series very much filter circuit between the device, and the output of its second level amplifier connects the input of the follower in the amplitude test circuit and the input of described reshaper.
4. Portable Microprocessor Based transfusion instrument as claimed in claim 1 is characterized in that:
Described motor speed controllable circuit is made up of pulse-width modulation circuit, motor, velometer, the input of pulse-width modulation circuit connects the output of described single-chip microcomputer, the main circuit power supply of pulse-width modulation circuit control motor, the input of velometer connects motor output, and the output of velometer connects the data port of described single-chip microcomputer;
Described micropump control circuit is made up of micropump, pressure transducer, wave filter, A-D converter, pressure transducer, wave filter, A-D converter three are connected in series successively, the input of pressure transducer connects micropump, and the output of A-D converter connects the data port of described single-chip microcomputer;
The motor-driven micropump.
5. Portable Microprocessor Based transfusion instrument as claimed in claim 1, it is characterized in that: the input of described single chip microcomputer also is connected to remote-controlled launcher.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96219087 CN2284072Y (en) | 1996-09-17 | 1996-09-17 | Portable microcomputer transfusion instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96219087 CN2284072Y (en) | 1996-09-17 | 1996-09-17 | Portable microcomputer transfusion instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2284072Y true CN2284072Y (en) | 1998-06-17 |
Family
ID=33899771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96219087 Expired - Fee Related CN2284072Y (en) | 1996-09-17 | 1996-09-17 | Portable microcomputer transfusion instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2284072Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100518838C (en) * | 2006-10-23 | 2009-07-29 | 圣美申医疗科技（上海）有限公司 | Portable intravenous injection and transfusion system |
| CN103623482A (en) * | 2013-12-20 | 2014-03-12 | 大连大学 | Automatically monitored liquid dropping system and method |
| CN104792947A (en) * | 2015-05-10 | 2015-07-22 | 柴俊沙 | Portable formaldehyde detecting equipment |
| CN106924838A (en) * | 2017-03-20 | 2017-07-07 | 上海正灏电子仪器有限公司 | Multifunctional medical infusion pump |
| CN107715237A (en) * | 2017-10-23 | 2018-02-23 | 陈丽曼 | Infusion monitoring warning system |
-
1996
- 1996-09-17 CN CN 96219087 patent/CN2284072Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100518838C (en) * | 2006-10-23 | 2009-07-29 | 圣美申医疗科技（上海）有限公司 | Portable intravenous injection and transfusion system |
| CN103623482A (en) * | 2013-12-20 | 2014-03-12 | 大连大学 | Automatically monitored liquid dropping system and method |
| CN104792947A (en) * | 2015-05-10 | 2015-07-22 | 柴俊沙 | Portable formaldehyde detecting equipment |
| CN106924838A (en) * | 2017-03-20 | 2017-07-07 | 上海正灏电子仪器有限公司 | Multifunctional medical infusion pump |
| CN107715237A (en) * | 2017-10-23 | 2018-02-23 | 陈丽曼 | Infusion monitoring warning 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 |