CN206878790U - A kind of synthesis type ECG signal generator - Google Patents
A kind of synthesis type ECG signal generator Download PDFInfo
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- CN206878790U CN206878790U CN201720451739.3U CN201720451739U CN206878790U CN 206878790 U CN206878790 U CN 206878790U CN 201720451739 U CN201720451739 U CN 201720451739U CN 206878790 U CN206878790 U CN 206878790U
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- 230000010355 oscillation Effects 0.000 claims abstract description 29
- 230000006978 adaptation Effects 0.000 claims abstract description 17
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Abstract
A kind of synthesis type ECG signal generator is the utility model is related to, belongs to Medical Instruments technical field.The utility model includes power module, oscillation module, signal adaptation module, signal synthesizing module；Power module by boost switching device by the 1.5V of battery boost to+5V be used as signal generator power supply power, the divided output 16Hz signals of oscillator signal of oscillation module give signal synthesizing module, signal adaptation module is decayed the electrocardiosignal that signal synthesizing module exports, signal synthesizing module produces high level pulse under the 16Hz signal pulses effect of oscillation module, then synthesizes electrocardiosignal after resistance, electric capacity, the superposition of diode, filtering, shaping.The utility model circuit is simple, reliability is high, precision is high, low in energy consumption, small volume, cheap, available for electrocardiograph, in the maintenance of patient monitor, the inspection of alarm setting and electrocardiograph, the test of patient monitor lead cable and teaching research of medicine occasion.
Description
Technical field
A kind of synthesis type ECG signal generator is the utility model is related to, belongs to Medical Instruments technical field.
Background technology
ECG signal generator is a kind of low frequency signal source, is widely used in Medical Instruments maintenance, test, demonstration and teaching
The fields such as experiment.In hospital, patient monitor, electrocardiograph etc. are the holding equipments of clinically the most frequently used first aid and life.Electrocardio
Figure machine, patient monitor are directly used in patient, directly relate to the health and life security of patient.Work as electrocardiogram
After machine, patient monitor failure are repaired.In order to ensure patient monitor, electrocardiograph parameter accuracy, will typically check
Once whether each lead work is normal.At this moment trial inspection can be carried out instead of human body with ECG signal generator, to be adjusted
Examination.So do not only safety but also insure, avoid with human body to check caused hidden danger.
The ECG signal generator that China uses at present, it is largely import, it is expensive.And when failure
When, trouble is repaired, and expense is relatively high.Domestic production is mostly made up of discrete component, and its volume is big, and function is few, essence
Degree is not high, and versatility is bad.
The content of the invention
The technical problems to be solved in the utility model is：The utility model provides a kind of synthesis type ECG signal generator,
Using common electronic component, integrated chip, using quartz crystal as oscillation source, precision is high, low in energy consumption, small volume, cost are low,
Reliability is high.Solve discrete component composition ECG signal generator existing for volume it is big, function is few, and precision is not high, versatility
It is bad, the problems such as inconvenient maintenance.
Technical solutions of the utility model are：A kind of synthesis type ECG signal generator, including power module 1, oscillation module
2nd, signal adaptation module 3, signal synthesizing module 4；
The 1.5V of battery is boosted to the power supply that+5V is used as signal generator by the power module 1 by boost switching device
Power supply；
The divided output 16Hz signals of oscillator signal of the oscillation module 2 give signal synthesizing module 4, make signal synthesis
The clock of module 4；Export 2Hz, 1Hz, 0.5 Hz respectively simultaneously and supply signal synthesizing module 4 through heart rate controlling switch, use respectively
In 30 beats/min, 60 beats/min and 120 beats/min three kinds of electrocardiosignals of generation；
The signal adaptation module 3 forms divider by resistance, and the electrocardiosignal that signal synthesizing module 4 exports is declined
Subtract, and electrocardiosignal is exported in the form of LA, RA, RL；Wherein LA is that electrocardio left arm signal output part LA, RA are the electrocardio right hand
Arm signal output part, RL are electrocardio right leg drive signal output part；
The signal synthesizing module 4 produces high level pulse under the 16Hz signal pulses effect of oscillation module 2, then through electricity
Electrocardiosignal is synthesized after resistance, electric capacity, the superposition of diode, filtering, shaping.
The power module 1 includes boost chip UP (MAX1724EZK50), boost inductance L1, filter condenser CP1, filter
Ripple capacitor CP2, power switch SW1 and battery BAT1；
In the power module 1 battery BAT1 positive pole through power switch SW1 respectively the positive pole with filter condenser CP1,
Boost chip UP 1 pin and 3 pin, inductance L1 one end are connected, and the inductance L1 other end is connected with boost chip UP 5 pin, rise
Pressure chip UP 4 pin are connected with filter condenser CP2 positive pole and meet+5V, battery BAT1 negative pole, filter condenser CP1
Negative pole, boost chip UP 2 pin, filter condenser CP2 negative pole are grounded.
The oscillation module 2 includes 4060 chip U1, crystal X1 (8192Hz), electric capacity C1, electric capacity C2, resistance R1 and heart rate
Controlling switch SW2；
16 pin of the chips U1 of oscillation module 2 meet+5V, 8 pin are grounded, chip U1 12 pin ground connection, and the one of electric capacity C1
End and electric capacity C2 one end are grounded, the electric capacity C1 other end and an electric capacity C2 another end be connected respectively with crystal X1 both ends again with
Be coupled with after resistance R1 parallel connections on chip U1 11 pin and 10 pin, U1 13 pin are connected with signal synthesizing module 4, U1 1,2,
3 pin are thrown to being connected with switching three of SW2 respectively, and SW2 knife end is connected with signal synthesizing module 4.
The signal adaptation module 3 includes electrocardio left arm signal output part LA, electrocardio right arm signal output part RA, the heart
Electric right leg drive signal output part RL, resistance R12, resistance R13, resistance R14, resistance R15；
Electrocardio right leg drive letter is connected to after resistance R12 one end is connected with resistance R13 one end in signal adaptation module 3 again
On number output end RL, the resistance R12 other end be connected with resistance R15 one end after again with the output end in signal synthesizing module 4
Connection, resistance R13 other end ground connection, the resistance R15 other end are connected to electrocardio left arm again after being connected with resistance R14 one end
On signal output part LA, resistance R14 other end ground connection, electrocardio right arm signal output part RA ground connection.
The signal synthesizing module 4 includes chip U2, light emitting diode LR, diode D1, diode D2, resistance R2, electricity
Hinder R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, resistance R10, resistance R11, electric capacity C3, electric capacity C4,
Electric capacity C5；
The chips U2 of signal synthesizing module 4 16 pin connect+5V, 8 pin ground connection, 14 pin with the chip U1's in oscillation module 2
13 pin are connected, and one end again with resistance R4 is connected after U2 13 pin connect with its 11 pin, and the resistance R4 other end is grounded, electric capacity C3
One end be connected with the Rate control switch SW2 knives end in oscillation module 2, the electric capacity C3 other end and resistance R2 one end and two
Pole pipe D1 positive pole connection, resistance R2 other end ground connection, diode D1 negative pole and resistance R3 one end and the 15 of chip U2
Pin connects, resistance R3 other end ground connection, chip U2 4 pin, 1 pin, 6 pin point separately with resistance R6, resistance R7, resistance R8 one end
Connection, one end again with resistance R10, electric capacity C5 is connected after resistance R6, resistance R7, the resistance R8 other end link together, electricity
Hold C5 other end ground connection, output as signal synthesizing module 4 after the resistance R10 other end is connected with resistance R11 one end,
The R11 other end is connected with resistance R9 one end, diode D2 negative pole, electric capacity C4 one end, the resistance R9 other end and two
Pole pipe D2 plus earth, the electric capacity C4 other end are connected with 10 pin of resistance R5 one end and chip U2, and resistance R5's is another
End is connected with light emitting diode LR positive pole, light emitting diode LR negative pole ground connection.
The beneficial effects of the utility model are：The utility model circuit is simple, reliability is high, precision is high, low in energy consumption, volume
It is small, cheap.This oscillator is made using quartz crystal, signal transacting is carried out with integrated chip, using 1.5V battery powereds, can
30 beats/min, 60 beats/min and 120 beats/min three kinds of heart rate signals are exported, and carry R ripples signal output and indication LED, available for the heart
Electrograph machine, the maintenance of patient monitor, the inspection of alarm setting and electrocardiograph, the test of patient monitor lead cable and medical science religion
Learn in research occasion.
Brief description of the drawings
Fig. 1 is the utility model power module circuit schematic；
Fig. 2 is the utility model oscillation module circuit theory diagrams；
Fig. 3 is the utility model signal adaptation module circuit theory diagrams；
Fig. 4 is the utility model signal synthesizing module circuit theory diagrams；
Fig. 5 is the utility model circuit theory diagrams；
Fig. 6 is the utility model synthesis type ECG signal generator output waveform figure（60 beats/min, R ripples 1.5mV）.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the utility model is described in further detail.
Embodiment 1：As shown in figure 1, a kind of synthesis type ECG signal generator, including power module 1, oscillation module 2, letter
Number adaptation module 3, signal synthesizing module 4；The 1.5V of battery is boosted to+5V by boost switching device and made by the power module 1
Powered for the power supply of signal generator（Supplied particular as 4060 in oscillation module 2 and signal synthesizing module 4,4017 chips
Electricity）, the divided output 16Hz signals of oscillator signal of the oscillation module 2 give signal synthesizing module 4, make signal synthesizing module
4 clock；Export 2Hz, 1Hz, 0.5 Hz respectively simultaneously and supply signal synthesizing module 4 through heart rate controlling switch, be respectively used to produce
Raw 30 beats/min, 60 beats/min and 120 beats/min three kinds of electrocardiosignals；The signal adaptation module 3 forms divider by resistance, will
The electrocardiosignal that signal synthesizing module 4 exports is decayed, and electrocardiosignal is exported in the form of LA, RA, RL；Wherein LA is the heart
Electric left arm signal output part LA, RA are electrocardio right arm signal output part, RL is electrocardio right leg drive signal output part；It is described
Signal synthesizing module 4 produces high level pulse under the 16Hz signal pulses effect of oscillation module 2, then through resistance, electric capacity, two poles
Electrocardiosignal is synthesized after the superposition of pipe, filtering, shaping.
As preferred scheme of the present utility model, specific power module 1, oscillation module 2, signal adaptation module 3, signal
Synthesis module 4 can use following design：
The power module 1 includes boost chip UP (MAX1724EZK50), boost inductance L1, filter condenser CP1, filter
Ripple capacitor CP2, power switch SW1 and battery BAT1；
In the power module 1 battery BAT1 (1.5V) positive pole through power switch SW1 respectively with filter condenser CP1's
Positive pole, boost chip UP 1 pin and 3 pin, inductance L1 one end are connected, and the inductance L1 other end connects with boost chip UP 5 pin
Connect, boost chip UP 4 pin are connected with filter condenser CP2 positive pole and meet+5V, battery BAT1 negative pole, filter condenser
CP1 negative pole, boost chip UP 2 pin, filter condenser CP2 negative pole are grounded.
Battery BAT1 1.5V is boosted to+5V by boost chip UP (MAX1724EZK50) and is used as letter by power module 1
The power supply power supply of number generator.
The oscillation module 2 includes chip U1 (4060), crystal X1 (8192Hz), electric capacity C1, electric capacity C2, resistance R1 and the heart
Rate controlling switch SW2；
16 pin of the chips U1 of oscillation module 2 meet+5V, 8 pin are grounded, chip U1 12 pin ground connection, and the one of electric capacity C1
End and electric capacity C2 one end are grounded, the electric capacity C1 other end and an electric capacity C2 another end be connected respectively with crystal X1 both ends again with
Be coupled with after resistance R1 parallel connections on chip U1 11 pin and 10 pin, U1 13 pin are connected with signal synthesizing module 4, U1 1,2,
3 pin are thrown to being connected with switching three of SW2 respectively, and SW2 knife end is connected with signal synthesizing module 4.
Crystal X1 (8192Hz) signals divide from 13 pin through chip U1 and export 16Hz signals for signal synthesis in oscillation module 2
Module 4 uses；1,2,3 pin output respectively export 2Hz, 1Hz, 0.5 Hz through SW2 supply signal synthesizing module 4 produce 30 times/
Divide, 60 beats/min and 120 beats/min of three kinds of heart rate signals.
The signal adaptation module 3 includes electrocardio left arm signal output part LA, electrocardio right arm signal output part RA, the heart
Electric right leg drive signal output part RL, resistance R12, resistance R13, resistance R14, resistance R15；
Electrocardio right leg drive letter is connected to after resistance R12 one end is connected with resistance R13 one end in signal adaptation module 3 again
On number output end RL, the resistance R12 other end be connected with resistance R15 one end after again with the output end in signal synthesizing module 4
Connection（Resistance R10 and resistance R11 connection end）, resistance R13 other end ground connection, the resistance R15 other end are with resistance R14's
It is connected to again on electrocardio left arm signal output part LA after the connection of one end, resistance R14 other end ground connection, electrocardio right arm signal is defeated
Go out to hold RA to be grounded.
Divider is formed by resistance in signal adaptation module 3, by signal attenuation about 53dB, makes the amplitude of R ripples left in 1.5mV
The right side simultaneously exports electrocardiosignal in the form of LA, RA, RL（I, II, III lead can be used）.
The signal synthesizing module 4 includes chip U2, light emitting diode LR, diode D1, diode D2, resistance R2, electricity
Hinder R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, resistance R10, resistance R11, electric capacity C3, electric capacity C4,
Electric capacity C5；
The chips U2 of signal synthesizing module 4 16 pin connect+5V, 8 pin ground connection, 14 pin with the chip U1's in oscillation module 2
13 pin are connected, and one end again with resistance R4 is connected after U2 13 pin connect with its 11 pin, and the resistance R4 other end is grounded, electric capacity C3
One end be connected with the Rate control switch SW2 knives end in oscillation module 2, the electric capacity C3 other end and resistance R2 one end and two
Pole pipe D1 positive pole connection, resistance R2 other end ground connection, diode D1 negative pole and resistance R3 one end and the 15 of chip U2
Pin connects, resistance R3 other end ground connection, chip U2 4 pin, 1 pin, 6 pin point separately with resistance R6, resistance R7, resistance R8 one end
Connection, one end again with resistance R10, electric capacity C5 is connected after resistance R6, resistance R7, the resistance R8 other end link together, electricity
Hold C5 other end ground connection, output as signal synthesizing module 4 after the resistance R10 other end is connected with resistance R11 one end,
The R11 other end is connected with resistance R9 one end, diode D2 negative pole, electric capacity C4 one end, the resistance R9 other end and two
Pole pipe D2 plus earth, the electric capacity C4 other end are connected with 10 pin of resistance R5 one end and chip U2, and resistance R5's is another
End is connected with light emitting diode LR positive pole, light emitting diode LR negative pole ground connection.
The chips U2 of signal synthesizing module 4 Q0-Q9 output ends under 16Hz clock pulses effect are a series of high according to producing
Level pulse, the waveform for choosing Q2, Q4, Q5, Q7 synthesize electrocardio letter after resistance, electric capacity, the superposition of diode, filtering, shaping
Number, chip U2 MR ends introduce reset pulse, can control heart rate, light emitting diode（LED）LR may indicate that R ripple signals.
Operation principle of the present utility model is：
Electro-cardiologic signal waveforms are complicated, and it is combined by P, Q, R, S, T, U waveform signals.And P, Q, R, S, T, U
Ripple is combined in sequence in different sections.Combined sequence is completed with a pulse sequence generator can
Work, realized here using chip U1 (4060) and chip U2 (4017).
First, signal is supplied from 13 pin output 16Hz signals by the oscillator generation oscillator signal (8192Hz) in U1 is divided
U2 in the use of synthesis module 4 is used；1, the output of 2,3 pin exports 2Hz, 1 Hz, 0.5 Hz through SW2 supply signal synthesis respectively
Module 4 produces 30 beats/min, 60 beats/min and 120 beats/min three kinds of heart rate signals.
Then, in the presence of the 16Hz pulses of 14 pin on U2 are added to, there is high level successively in U2 4017 Q0-Q9,
The waveform for choosing Q2, Q4, Q5, Q7 synthesizes electrocardiosignal, wherein Q2 after resistance, electric capacity, the superposition of diode, filtering, shaping
Waveform filter to form P ripples through resistance R8, electric capacity C5；Q4 waveform by diode D2 through resistance R9, electric capacity C4 differential, take it again
R ripples are obtained after positive pulse；Q5 waveform filters to form T ripples through resistance R7, electric capacity C5；Q7 waveform is filtered through resistance R8, electric capacity C5
Ripple forms U ripples, most synthesizes complete ecg wave form signal through resistance R10, resistance R11 afterwards.
When chip U2 Q9 is high level, connected E ends are also high level, and U2 is stopped, and complete a week
The electro-cardiologic signal waveforms output of phase；Only when reset pulse reaches U2 MR ends (15 pin) again, U2 starts working again, so
Circulation, just as human heart has the bounce of rhythmicity.
Therefore MR ends introduce the controllable heart rate of frequency of reset pulse, and reset pulse selects 2Hz, 1 Hz or 0.5 H by WS2
Waveform through electric capacity C3, resistance R2, diode D1, resistance R3 processing after obtain.Can produce 30 beats/min, 60 beats/min and 120 times/
Divide the control signal of three kinds of hearts rate.
Light emitting diode（LED）LR may indicate that R ripple signals.Light emitting diode (LED) LR being connected with resistance R5, is working
Period glistens, the speed of its flash frequency, represents the speed of heartbeat.
Signal adaptation module 3 forms divider by resistance, by signal attenuation about 53dB, makes the amplitude of R ripples in 1.5mV or so
（The representative value of R ripples）And electrocardiosignal is exported in the form of LA, RA, RL（I, II, III lead can be used to measure）, as shown in fig. 6,
As synthesis type ECG signal generator output waveform figure（60 beats/min, R ripples 1.5mV）.
Power module 1 by UP (MAX1724EZK50DC-DC boost switchings device) boosted to battery BAT1 1.5V+
5V powers as the power supply of signal generator.
Specific embodiment of the utility model is explained in detail above in conjunction with accompanying drawing, but the utility model and unlimited
In above-described embodiment, in those of ordinary skill in the art's possessed knowledge, the utility model can also not departed from
Various changes can be made on the premise of objective.
Claims (5)
- A kind of 1. synthesis type ECG signal generator, it is characterised in that：Including power module（1）, oscillation module（2）, signal fits With module（3）, signal synthesizing module（4）；The power module（1）By boost switching device by the 1.5V of battery boost to+5V be used as signal generator power supply supply Electricity,The oscillation module（2）The divided output 16Hz signals of oscillator signal give signal synthesizing module（4）, make signal synthesis Module（4）Clock；Export 2Hz, 1Hz, 0.5 Hz respectively simultaneously and supply signal synthesizing module through heart rate controlling switch（4）, point 30 beats/min, 60 beats/min and 120 beats/min three kinds of electrocardiosignals Yong Yu not produced；The signal adaptation module（3）Divider is formed by resistance, by signal synthesizing module（4）The electrocardiosignal of output is declined Subtract, and electrocardiosignal is exported in the form of LA, RA, RL；Wherein LA is that electrocardio left arm signal output part LA, RA are the electrocardio right hand Arm signal output part, RL are electrocardio right leg drive signal output part；The signal synthesizing module（4）In oscillation module（2）The effect of 16Hz signal pulses it is lower produce high level pulse, then through electricity Electrocardiosignal is synthesized after resistance, electric capacity, the superposition of diode, filtering, shaping.
- 2. synthesis type ECG signal generator according to claim 1, it is characterised in that：The power module（1）Including Boost chip UP, boost inductance L1, filter condenser CP1, filter condenser CP2, power switch SW1 and battery BAT1；The power module（1）Middle battery BAT1 positive pole through power switch SW1 respectively the positive pole with filter condenser CP1, rise Pressure chip UP 1 pin and 3 pin, inductance L1 one end are connected, and the inductance L1 other end is connected with boost chip UP 5 pin, boosting Chip UP 4 pin are connected with filter condenser CP2 positive pole and meet+5V, battery BAT1 negative pole, filter condenser CP1 it is negative Pole, boost chip UP 2 pin, filter condenser CP2 negative pole are grounded.
- 3. synthesis type ECG signal generator according to claim 1, it is characterised in that：The oscillation module（2）Including 4060 chip U1,8192Hz crystal X1, electric capacity C1, electric capacity C2, resistance R1 and Rate control switch SW2；The oscillation module（2）Chips U1 16 pin connect+5V, 8 pin ground connection, chip U1 12 pin ground connection, electric capacity C1 one end Be grounded with electric capacity C2 one end, the electric capacity C1 other end and an electric capacity C2 another end be connected respectively with crystal X1 both ends again with electricity It is coupled with after resistance R1 parallel connections on chip U1 11 pin and 10 pin, U1 13 pin and signal synthesizing module（4）Connection, U1 1,2, 3 pin are thrown to being connected with switching three of SW2 respectively, SW2 knife end and signal synthesizing module（4）It is connected.
- 4. synthesis type ECG signal generator according to claim 1, it is characterised in that：The signal adaptation module（3） Including electrocardio left arm signal output part LA, electrocardio right arm signal output part RA, electrocardio right leg drive signal output part RL, electricity Hinder R12, resistance R13, resistance R14, resistance R15；Signal adaptation module（3）Middle resistance R12 one end is connected to electrocardio right leg drive signal again after being connected with resistance R13 one end On output end RL, the resistance R12 other end be connected with resistance R15 one end after again with signal synthesizing module（4）In output end Connection, resistance R13 other end ground connection, the resistance R15 other end are connected to electrocardio left arm again after being connected with resistance R14 one end On signal output part LA, resistance R14 other end ground connection, electrocardio right arm signal output part RA ground connection.
- 5. synthesis type ECG signal generator according to claim 3, it is characterised in that：The signal synthesizing module（4） Including 4017 chip U2, light emitting diode LR, diode D1, diode D2, resistance R2, resistance R3, resistance R4, resistance R5, electricity Hinder R6, resistance R7, resistance R8, resistance R9, resistance R10, resistance R11, electric capacity C3, electric capacity C4, electric capacity C5；Signal synthesizing module（4）Chips U2 16 pin connect+5V, 8 pin ground connection, 14 pin and oscillation module（2）In chip U1 13 pin are connected, and one end again with resistance R4 is connected after U2 13 pin connect with its 11 pin, and the resistance R4 other end is grounded, electric capacity C3 One end and oscillation module（2）In the SW2 knives ends connection of Rate control switch, the electric capacity C3 other end and resistance R2 one end and Diode D1 positive pole connection, resistance R2 other end ground connection, diode D1 negative pole and resistance R3 one end and chip U2's 15 pin connect, resistance R3 other end ground connection, chip U2 4 pin, 1 pin, 6 pin point separately with resistance R6, resistance R7, resistance R8 one End connection, one end again with resistance R10, electric capacity C5 is connected after resistance R6, resistance R7, the resistance R8 other end link together, Electric capacity C5 other end ground connection, the resistance R10 other end are used as signal synthesizing module after being connected with resistance R11 one end（4）'s Output, the R11 other end are connected with resistance R9 one end, diode D2 negative pole, electric capacity C4 one end, the resistance R9 other end And diode D2 plus earth, the electric capacity C4 other end are connected with 10 pin of resistance R5 one end and chip U2, resistance R5's The other end is connected with light emitting diode LR positive pole, light emitting diode LR negative pole ground connection.
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| CN201720451739.3U CN206878790U (en) | 2017-04-27 | 2017-04-27 | A kind of synthesis type ECG signal generator |
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| CN201720451739.3U CN206878790U (en) | 2017-04-27 | 2017-04-27 | A kind of synthesis type ECG signal generator |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106992767A (en) * | 2017-04-27 | 2017-07-28 | 昆明理工大学 | A kind of synthesis type ECG signal generator |
| CN112237432A (en) * | 2020-10-21 | 2021-01-19 | 浙江普可医疗科技有限公司 | Electroencephalogram signal generation method and signal generator |
| CN113100784A (en) * | 2021-03-29 | 2021-07-13 | 合肥诺和电子科技有限公司 | CSI anesthesia depth index signal generator |
-
2017
- 2017-04-27 CN CN201720451739.3U patent/CN206878790U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106992767A (en) * | 2017-04-27 | 2017-07-28 | 昆明理工大学 | A kind of synthesis type ECG signal generator |
| CN106992767B (en) * | 2017-04-27 | 2023-06-16 | 昆明理工大学 | Synthetic electrocardiosignal generator |
| CN112237432A (en) * | 2020-10-21 | 2021-01-19 | 浙江普可医疗科技有限公司 | Electroencephalogram signal generation method and signal generator |
| CN113100784A (en) * | 2021-03-29 | 2021-07-13 | 合肥诺和电子科技有限公司 | CSI anesthesia depth index signal generator |
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