CN1085452A - Multi-fuction monitoring device for infusion - Google Patents
Multi-fuction monitoring device for infusion Download PDFInfo
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- CN1085452A CN1085452A CN 92106752 CN92106752A CN1085452A CN 1085452 A CN1085452 A CN 1085452A CN 92106752 CN92106752 CN 92106752 CN 92106752 A CN92106752 A CN 92106752A CN 1085452 A CN1085452 A CN 1085452A
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- signal
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Abstract
The present invention relates to a kind of medical multifunctional fuction monitoring device for infusion, belong to field of medical, its technical scheme shows as on the I/O interface of the microprocessor that a single-chip microcomputer, keyboard, display, language generator and I/O interface constitute and inserts a signal processing transmission interface, signal processing transmission interface and the signal detector that the infusion monitoring signal can be detected formation that links.Solve the defective that present clinical transfusion can't be monitored automatically, replaced the manual patrol monitoring, be convenient to centralized management.Has intelligent display reminding.
Description
The invention discloses a medical multifunctional infusion monitoring and measuring device, belongs to medical treatment and care appliances technical field.
At present, in clinical treatment and nursing technique field, adopted multiple more advanced electronic equipment.This has played positive effect for the quality and the level that improve treatment and nursing.Specific to the clinical nursing procedure aspect of transfusion, still continue to use artificial meter and drip way fast and that medical personnel's tours of inspection transfusion situation is in time adjusted.This way efficient is lower, exists artificial monitoring error, and the transfusion situation that can not grasp a plurality of patients simultaneously is so that centralized management.In sum, designing a kind of multi-fuction monitoring device for infusion of monitoring transfusion situation, is very necessary for the efficient and the quality that improve present clinical transfusion nursing procedure.
The invention task of the invention provides a kind of multi-fuction monitoring device for infusion that can monitor a plurality of clinical transfusion situations simultaneously, makes that it can monitor out transfusion drip speed, medicinal liquid is used up and various data and signal such as patient's calling.
Figure of description 1 is the structure block diagram of the invention: among the figure: 1 keyboard, 2 keyboard interfaces, 3 single-chip microcomputers, 4 display interface devices, 5 display, 6I/O interface, 7 language generators, 8-signal detector, 9 signal processing transmission interfaces, 10 power supplys.
Figure of description 2 is circuit diagrams of the signal detector of the invention.
Figure of description 3 is circuit diagrams of the signal processing transmission interface of the invention.
The invention main points of the invention can be summarized as following some:
1, interchange photoelectric sensor and amplifier and rectification delay circuit have been adopted.Finished the liquid detection and the output of signal to the greatest extent.
2, adopted unidirectional current optical sensor and amplifier and pulse stretching delay circuit, finished detection and output the transfusion drip speed signal.
3, design a signal processing and a transmission interface that comprises that comparator, enumerator and rest-set flip-flop constitute, finished the transmission of a plurality of signal detection data.
It is the main contents of finishing task of the present invention that above technology constitutes.The embodiment of this scheme can make the microcomputer that is made of single-chip microcomputer and interface circuit adopt the touring method that detects.Adopt serial communication mode that a plurality of signal detectors all are connected in parallel, send cognizance code successively, link up with each signal detector by microcomputer.Realize man-to-man measurement.Thereby finished task of the present invention.
Following according to Figure of description, introduce its structure: a kind of multi-fuction monitoring device for infusion comprises the microprocessor that is made of single-chip microcomputer 3, keyboard 1, keyboard interface 2, display interface device 4, display 5, language generator 7, I/O interface 6 and power supply 10.It is characterized in that I/O interface 6 and one can carry out the address microprocessor code conversion and identification and the signal processing transmission interface 9 that the detection signal timesharing sends it back microprocessor is linked, the signal detector 8 that signal processing transmission interface 9 and can detect the infusion monitoring signal and amplify shaping identification link constitute.
The circuit formation of signal processing transmission interface 9 comprises serial-to-parallel depositor, 8 bit comparators, impulse scaler, rest-set flip-flop, parallel-to-serial depositor and call signal generator.Its operation principle is that the address code of microprocessor is carried out conversion, counting, comparison.Thereby the control output signal of joining signal detector with it sends it back microprocessor in good time.Concrete circuit constitutes can be referring to Figure of description 3: by IC
4(CD4094) constitute the serial-to-parallel depositor, by IC
5IC
6(MC14585) constitute 8 bit comparators, by IC
7(CD4520) constitute enumerator, IC
8(4014) constitute the parallel-to-serial depositor, by IC
9(NE555) constitute call signal generator, by IC
10, IC
11Constitute rest-set flip-flop.It connects and work process is: microprocessor sends 8 bit address sign indicating numbers and 8 synchronization burst line outputs.Sending into 4094 shift registers through R * D and T * D line becomes serial signal parallel.Synchronizing signal is divided into two-way, one the tunnel send 4094 as shift pulse, 4520 countings are sent on another road, illustrate when counting 8 pulses that 8 bit data all deliver to, send the signal enabling comparator by enumerator and begin comparison, if 8 bit address codes are identical, comparator has output, this output signal triggers rest-set flip-flop makes parallel signal send into parallel-to-serial shift register 4014, the synchronous shift pulse that the while microprocessor is sent is also delivered to 4014 input, successively 8 signals are delivered on the serial port, finished the overall process of one-period.The output terminals A of signal detector, B, D and IC
87. (13) (15) foot of 4014 joins.
The circuit of signal detector 8 is made of a most signal detection output of liquid and a fast signal detection output two parts: the most signal detection of liquid is exported and is comprised that signal emission, signal reception are amplified, signal detects and display unit.By IC
1(NE556) the photocell GD of interchange agitator of Gou Chenging and the access of its outfan
1Constitute the signal transmitter unit and carry out the signal emission.By photocell GD
2And IC
2-1(1/4LM324) constituted signal and received amplifying unit, by IC
2-2, IC
2-3(1/4LM324) crystal diode D
1D
2With crystal triode BG
1, LED
1Constituted that signal detects and display unit.Its operation principle and circuit overlap joint are IC
1Constitute the interchange agitator, output to photocell GD
1Photocell GD
2With IC
2-1Being connected into interchange photoelectricity reception amplifying circuit can be to GD
1Signal receive amplification, the AC signal after the amplification is input to by D
1D
2The voltage doubling rectifing circuit input of forming, its output termination is by IC
2-2The voltage comparator circuit of forming, IC is received in the output of comparison circuit
2-3The time-delay comparison circuit that constitutes, its outfan drives BG
1Make LED
1Work is exported a control signal simultaneously and is connect the B end; Drip fast signal detection output and comprise that signal emission, signal receive amplification, signal detects and display unit.By the charging valve GD that inserts in the electric power loop
3Constitute the direct current signal transmitter unit.By photocell GD
4, crystal triode BG
2Constitute direct current signal and receive amplifying unit, by IC
3(NE556), IC
2-4(1/4LM324) with crystal triode BG
3, LED
2Constituting signal detects and display unit.It connects and work process is GD
4There is signal to be input to BG
2Be input to IC after the amplification
3Carry out signal broadening output and promote BG
3Show that another road output is input to IC after time-delay
2-4Carry out voltage ratio, relatively be output as control signal A end.
The work process of the invention is that signal detector 8 becomes each berth transfusion situation into data signal respectively and sends to microprocessor by signal processing transmission interface 9.Microprocessor sends the signal processing transmission interface 9 of the address code of a berth to each berth by main frame earlier according to the software program of establishment, and the signal processing transmission interface identical with code that main frame is sent out is selected.Fault message is read in shift register 4014, and at this moment main frame transfers receive mode to from send mode, and selected signal processing transmission interface then transfers send mode to from receive mode, fault information data is read CPU inside detect.This shows that serial port is two bat system work during detection failure, one claps identification, and one claps transmission.The fault message that appears at like this on the serial port is unique.Principle is identical when measuring data such as dripping speed, just is far above two bats measuring period, but its integral multiple.The speed of dripping for 5～240 of per minutes is approximately 50～768 its measuring period.The data that the microprocessor handle records can show on display 5 and can drive language generator 7 sends suggestion voice.
The major advantage of the invention is to have the intelligent measuring function, reality can be dripped speed with set relatively send cue, replaced the manual patrol monitoring.The transfusion situation of tens berths of its control survey simultaneously.Receive the call signal of each berth, be convenient to the modernization that medical department realizes clinical management.In addition, being provided with of its hardware is fairly simple, and therefore the cost of whole monitoring device is lower, is easy in clinical popularization and application.
In the enforcement of the invention, the liquid concrete structure of signal detection output to the greatest extent is: the signal transmitter unit is by IC
1Dual time base circuit 1/2NE556 constitutes the interchange agitator.Its outfan is foot access-photocell GD 9.
1Constitute; Signal receives amplifying unit by IC
2-1Four high guaily unit circuit 1/4LM324 forms ac signal amplifiers; Crystal diode D
1D
2With capacitor C
1Form voltage multiplying rectifier, outfan receiving integrate circuit IC
2-2, IC
2-3The two poles of the earth direct current amplifier that four high guaily unit circuit 1/4LM324 forms, output termination crystal triode BG
1And LED
1The active display of forming constitutes jointly that signal detects and display unit.
In the enforcement, drip fast signal detection output by photocell GD
3Be connected in series a current-limiting resistance and insert both ends of power formation signal transmitter unit; Photocell GD
4Insert a crystal triode BG
2The input of the direct current amplifier that constitutes is formed signal and is received amplifying unit; Signal detect and display unit by IC
3Dual time base circuit 1/2NE556 constitutes the signal broadening amplifier, via IC
2-4Four high guaily unit 1/4LM324 amplifies output, and the signal broadening amplifier also meets a route crystal triode BG
3And LED
2The display of forming.
The concrete formation of signal processing transmission interface 9 is: IC
4Adopt 8 Bits Serial to become parallel shift register CD4094, IC
5IC
6Adopt 24 bit digital comparator MC14585, IC
7Adopt double counters CD4520, IC
9Be parallel serial shift register CD4014, the IC of becoming
9Be time base circuit NE555, IC
10, IC
11Be two two input NAND gate, can adopt 1/2CD4011.
Claims (9)
1, a kind of multi-fuction monitoring device for infusion comprises by single-chip microcomputer 3, keyboard 1, keyboard interface 2, display interface device 4, display 5, language generator 7, the microprocessor that I/O interface 6 and power supply 10 constitute, it is characterized in that I/O interface 6 and one can carry out the address microprocessor code conversion and identification and the signal processing transmission interface 9 that the detection signal timesharing sends it back microprocessor is linked, the signal detector 8 that signal processing transmission interface 9 and can detect the infusion monitoring signal and amplify shaping identification link constitute.
2, according to the described multi-fuction monitoring device for infusion of claim 1, it is characterized in that signal processing transmission interface 9 comprises serial-to-parallel depositor, 8 bit comparators, impulse scaler rest-set flip-flop, parallel-to-serial depositor and all unit of call signal generator constitute.
3,, it is characterized in that signal detector 8 comprises that a most signal detection output of liquid and a fast signal detection output two parts constitute according to the described multi-fuction monitoring device for infusion of claim 1.
4,, it is characterized in that the most signal detection output of liquid of signal detector 8 comprises the signal emission, signal reception amplifying signal detects and display unit constitutes according to claim 1,3 described multi-fuction monitoring device for infusion.
5,, it is characterized in that the fast signal detection output that drips of signal detector 8 comprises that signal is launched, signal reception amplifying signal detects and display unit constitutes according to claim 1,3 described multi-fuction monitoring device for infusion.
6, according to claim 1,2 described multi-fuction monitoring device for infusion, it is characterized in that the serial-to-parallel depositor in the signal processing transmission interface 9 has adopted 8 Bits Serial to become parallel shift register CD4094, the parallel-to-serial depositor has adopted parallel change serial shift register CD4014.
7, according to claim 1,2 described multi-fuction monitoring device for infusion.It is characterized in that 8 bit comparators in the signal processing transmission interface 9 have adopted IC
5IC
6Two 4 bit digital comparator MC14585 are barricaded as, and impulse scaler has adopted IC
7Double counters CD4520, call signal generator IC
9Time base circuit NE555 constitutes, and rest-set flip-flop has adopted IC
10, IC
11Two two input NAND gate are overlapped to form.
8, according to claim 1,3,4 described multi-fuction monitoring device for infusion, the signal transmitter unit that it is characterized in that the most signal detection output of liquid in the signal detector 8 is by IC
1Dual time base circuit 1/2NE556 constitutes the interchange agitator, and its outfan is foot access-photocell GD 9.
1Constitute; Signal receives amplifying unit by IC
2-1Four high guaily unit circuit 1/4LM324 forms ac signal amplifiers; Crystal diode D
1D
2With capacitor C
1Form voltage multiplying rectifier, the output termination is by IC
2-2, IC
2-3The two poles of the earth direct current amplifier that four high guaily unit circuit 1/4 LM324 forms, output termination crystal triode BG
1And LED
1The active display of forming constitutes jointly that signal detects and display unit.
9, according to claim 1,3,5 described multi-fuction monitoring device for infusion, the signal transmitter unit that drips fast signal detection output that it is characterized in that signal detector 8 is by photocell GD
3Serial connection-current-limiting resistance inserts both ends of power and constitutes; Photocell GD
4Access-crystal triode BG
2The input of the direct current amplifier that constitutes is formed signal and is received amplifying unit; Signal detect and display unit by IC
3Dual time base circuit 1/2NE556 constitutes the signal broadening amplifier, via IC
24Four high guaily unit LM324 amplifies output, and the signal broadening amplifier also meets a route crystal triode BG
3And LED
3The display of forming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92106752 CN1085452A (en) | 1992-10-16 | 1992-10-16 | Multi-fuction monitoring device for infusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92106752 CN1085452A (en) | 1992-10-16 | 1992-10-16 | Multi-fuction monitoring device for infusion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1085452A true CN1085452A (en) | 1994-04-20 |
Family
ID=4942390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92106752 Pending CN1085452A (en) | 1992-10-16 | 1992-10-16 | Multi-fuction monitoring device for infusion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1085452A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104903898A (en) * | 2013-01-18 | 2015-09-09 | 费森尤斯维尔公司 | assigning addresses to medical devices in rack |
-
1992
- 1992-10-16 CN CN 92106752 patent/CN1085452A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104903898A (en) * | 2013-01-18 | 2015-09-09 | 费森尤斯维尔公司 | assigning addresses to medical devices in rack |
| CN104903898B (en) * | 2013-01-18 | 2019-01-18 | 费森尤斯维尔公司 | Address is distributed for the Medical Devices in bracket |
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| WD01 | Invention patent application deemed withdrawn after publication |