CN2385674Y - Cardiovascular hemodynamics-electrocardiograph instrumentation - Google Patents
Cardiovascular hemodynamics-electrocardiograph instrumentation Download PDFInfo
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- CN2385674Y CN2385674Y CN 99248922 CN99248922U CN2385674Y CN 2385674 Y CN2385674 Y CN 2385674Y CN 99248922 CN99248922 CN 99248922 CN 99248922 U CN99248922 U CN 99248922U CN 2385674 Y CN2385674 Y CN 2385674Y
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Abstract
The utility model relates to an electrocardiogram detector for blood flow dynamic force of angiocarpy. The utility model is composed of a control circuit which is used for respectively collecting, inputting and amplifying pulse signals and twelve lead electrocardiogram signals, a hardware part which is composed of a data processing circuit and a power circuit, a microcomputer which is connected by a serial port and a special software part which is stored by the microcomputer and is used for processing the information of pulse diagrams and electrocardiograms and suggesting reports and diagnosis advice. The utility model carries out the detection and the diagnosis of no-wound blood flow kinetics and bedside monitoring according to a patient's pulse and electrocardiogram signals. The utility model is an intelligent signal collecting and processing device which combines the computer technology, the electronic technology, the national medical theory and a great deal of clinical practice experience.
Description
This utility model relates to a kind of device that is used to measure, write down and analyze pulse, heart rate and cardiac flow power, exactly, relates to a kind of medical detector apparatus that is called cardiovascular hemodynamic-cardioelectric detector.
Modern society is because the change of the raising of people's living standard and life style, dietary structure, and cardiovascular disease such as hypertension, coronary heart disease become commonly encountered diseases and the frequently-occurring disease on the hospital clinical gradually.Pernicious consequences such as the myocardial infarction that comes from the unhealthy of heart and blood circulation and cause, apoplexy even sudden death also happen occasionally, and sickness rate improves year by year, and age of onset is also on a declining curve.World's medical matters circle are consistent at present generally acknowledges that cardiovascular disease becomes human life " first killer ", especially all the more so for the intellectual who carries out nervous mental work all the year round.
The serious harm of avoiding cardiovascular disease that human health is brought, the timely treatment after early diagnosis and therapy, the morbidity all are very crucial.At present existing diversified cardiovascular disease diagnosis and treatment instrument, the technology comparative maturity electrocardiogram detection, x-ray fluoroscopy, ultrasonic cardiography inspection, CT scan inspection, nuclear magnetic resonance, NMR, vein Digital Subtraction radiography etc. are arranged.But these diagnosis and treatment instrument complicated operations, expense costliness, regular inspection is carried out in inconvenience, and some instrument diagnoses index is very few, and effect is little.Particularly when the doctor will fully understand the very important cardiac hemodynamic situation of patient's diagnoses and treatment, above-mentioned most of instrument was all powerless, and at this moment, the method that can only take to insert conduit in the body detects.But this detection method has wound and risk to patient, also requires hospital that quite high technology and appointed condition are arranged.Therefore, be starved of at present and develop a kind of medical detecting Instrument, can be simply, fast, effectively, convenience, noinvasive, measure patient's various indexs of cardiac hemodynamic safely, check, diagnose, treatment and clinical monitoring.
People's pulse is the important information window of reflection human health status, and coming with patient's beat pulse situation is that patient diagnoses the illness, in the history in existing more than 2,000 year of China.The oscillogram of drawing according to beat pulse is called arteries and veins figure, and research arteries and veins figure is a kind of AT cardiovascular dynamics research; Therefrom can obtain the information about human recycle system's working condition clear, in large quantities, especially can obtain the Ve TIME HISTORY SIGNAL from arteries and veins figure, this has become basis and the condition of learning from arteries and veins figure information research cardiovascular hemodynamic.
The purpose of this utility model provides a kind of novel medical detection, diagnosis and monitor device-cardiovascular hemodynamic-cardioelectric detector that present age computer technology, electronic technology and number reason theory of medicine are combined.
The purpose of this utility model is achieved in that it is by pulse and 12 lead electrocardiosignal are gathered the control circuit of input, amplification respectively, the hardware components that data processing circuit and power circuit constitute, and formed by microcomputer and its specialized application software, it is characterized in that: above-mentioned hardware circuit includes: be respectively applied for the pressure transducer of measuring pulse and measure the sensor circuit that Electrocardiographic 12 lead electrode constitutes; The arteries and veins figure amplification control circuit that constitutes by reference power supply and the partiting dc capacitor, two-stage calculation amplifier, gain selection control, buffer amplifier and the low pass filter that are linked in sequence; The buffer amplifier that is linked in sequence by multichannel, shielding driver, ground connection driver, resistance job network, the selection control that leads, time constant circuit, the conversion of the leading controller, zero and the electrocardiogram amplification control circuit that constituted of 1mv selection control, triple channel photoelectric isolating circuit and filter circuit that makes zero; And the data processing circuit that constitutes by multiplex controller, A/D transform controller, chip microprocessor and crystal oscillator thereof, cpu monitor circuit, RS232 driver and display driver circuit; And by the microcomputer of RS232 serial port connection and the special-purpose software part that is used to handle arteries and veins figure and ECG information and proposition report and diagnostic recommendations of its storage.
Above-mentioned arteries and veins map sensor is the bridge circuit that is made of varistor, and is provided with two potentiometers as zero-bit and full scale adjustment.
Above-mentioned three road photoelectricity isolating amplifier circuits are made of two-stage calculation amplifier, precision linear photoelectrical coupler, buffer amplifier and low pass filter.
Above-mentioned filter circuit is made of 100HZ wave filter, 50HZ wave trap and 50HZ trap selection control.
Above-mentioned control circuit is separately positioned on main circuit board, power panel and the display driver plate, wherein pulse transducer, electrocardio helical pitch line and amplification thereof, control circuit, data processing circuit all are positioned at main circuit board, this main circuit board structure is the form of expanded slot of computer plate, is placed in the above-mentioned microcomputer cabinet; Power panel then is placed in the shielding box away from mainboard; Display floater adopts deposited plate to mould seal technology and makes, and makes with power pack and inserts the box structure, is fixed on the HDDbox position of above-mentioned microcomputer.
Above-mentioned hardware circuit also can be made into the external absolute construction with notebook computer or computer network interface, to form cardiovascular portable diagnostic monitor, home monitor, medical diagnosis system, far-end diagnosis and therapy system or bedside monitoring system.
This utility model is a kind of diagnosis and treatment instrument that carries out non-invasive hemodynamics detection diagnosis and bedside monitoring by patient's pulse and electrocardiosignal, it also is a kind of intelligentized signal acquiring processing system, being computer technology, electronic technology and the product that motherland's theory of medicine and a large amount of clinical practice experience combine, also is a kind of arteries and veins map analysis human bloodstream kinetic parameter and final noinvasive, a kind of high-tech medical treatment device of easily cardiovascular disease being diagnosed realized of utilizing.
Hardware using chip microprocessor of the present utility model is controlled, and makes control circuit simple in structure, and utilizes the program operation and the working environment of hardware circuit monitoring CPU, makes this utility model circuit working reliable and stable, and software is difficult for by pirate.Wherein CPU adopts the data processing method of four-channel time division multiplexing, makes pulse and three road electrocardiosignal synchronous drivings, and the 12 lead electrocardiosignal then divides four selections to transmit by lead selection control and multiplex controller, and control circuit is greatly simplified.Many devices in this utility model (as: pulse transducer, operational amplifier, linear optical coupling, resistance job network, time constant circuit etc.) all adopt the high accuracy device, be aided with 12 A/D converters again, make the collection of pulse and electrocardiosignal accurately reliable, provide accurate and reliable foundation for computer software carries out date processing with amplification.In addition, the multiple circuit hardware modern design of the collection of pulse of the present utility model and electrocardiosignal and amplification, and use multiple up-to-date integrated circuit, and make the signal detection precision height of pulse and electrocardiosignal, reach domestic and international relevant criterion.
Software of the present utility model is based on WINDOWS 98 operating systems, and the application software that uses the DELPHI3.0 exploitation to finish can move on WINDOWS 95/98 platform.Its basic structure is based upon on program unit and the windows units, set up activation or call relation with variety of event between each program unit and the windows units, software adopts the programmed method of object-oriented and multithreading, the multi-task parallel operation can be finished, the real-time and the multitask of armarium can be realized; And utilize the man-computer interface of full chinesization, windowization, very convenient medical personnel manipulate; And utilize the hardware components of computer standard serial communication interface and communication protocol and this device to carry out exchanges data, versatility and portable strong.。
Major function of the present utility model is to gather patient's twelve-lead electrocardiogram and sphygmogram simultaneously, and shows on screen in real time; Can carry out analyzing and processing to sphygmogram and electrocardiographic wave at any time, obtain patient's various cardiovascular hemodynamic mathematic(al) parameters and electrocardiogram parameter, for the doctor provides diagnosis and the foundation of rescuing; Can also provide diagnostic recommendations or diagnosis consulting for the doctor automatically according to check result; If desired, can also printout result report.This device can also provide safe and secret settings such as authentication to the doctor, registration management, and to functions such as the classification storage of patient history, inquiry, management, modifications.
The utlity model has following multinomial purposes:
1, clinical diagnosis: all and cardiovascular hemodynamic is learned diseases associated, all can use this utility model to detect, this device can provide cardiac mechanics parameter, vascular mechanics parameter, blood flow mechanics parameter, and a circulation power parameter surplus the neural feedback coefficient relevant with circulation power etc. 50, use for the diagnosis treatment.
2, early diagnosis: the human bloodstream kinetic parameter is to be among the continuous dynamic equilibrium, and is early stage in disease, and when non-evident sympton or various inspection still still presented feminine gender, hemodynamic parameter had departed from normal value prior to clinical manifestation.If at this time just begin to handle these undesired parameters, just can reach early diagnosis, early treatment and the purpose of checking erroneous ideas at the outset.
3, critical patient's hemodynamics and electrocardiogram are guarded synchronously: this utility model can make arteries and veins figure and electrocardiogram continuous rolling on display screen in real time simultaneously, can at any time or carry out the monitoring of heart conditions such as hemodynamic parameter and arrhythmia continuously.Owing to be that non-invasive detects, in misery that significantly reduces the patient and financial burden, can obtain a large amount of hemodynamic parameters.Such as: the doctor can be according to the degree of heart pumping force and cardiac output reduction, the consumption and the speed of decision cardiac tonic; According to what of blood volume, what and transfusion speed of decision amount of infusion; According to the height of periphery total impedance, whether decision uses vasodilator: if periphery impedance height then according to the high low degree of its impedance, is selected strong or weak vasodilation for use; If fatefulue arrhythmia occurs, should use capable antiarrhythmic Agents immediately.Therefore this utility model has the incomparable superiority of other existing equipments at present in monitoring.
4, direction of medication usage: the Diagnostic parameters that this utility model provides, can be as the hemodynamics foundation of selecting medicine for use.As: be the hypertensive patient equally, as show as heart pumping force, heart rate is too high and blood pressure that cause increases, and then uses beta-blocker; If blood volume is excessive, then add depressor with diuretic; Blood pressure that cause increases if the impedance of genus periphery is too high, then uses the vasodilation medicine.In like manner, the treatment of coronary heart disease also can be distinguished medication according to the different situations of hemodynamic parameter, can avoid wrong medication and blindly medication so to greatest extent.
5, the assessment of therapeutic effect and disease prognosis: patient can still use this utility model to check after treatment.When hemodynamic parameter recovers normal, the prognosis bona can be described.So this utility model can directly reflect treatment and the effect of handling fast.
6, the hemodynamics of heart disease special treatment detects and monitoring: the cardiac function that this utility model can carry out before and after the operative treatments such as coronary blood flow Reconstruction, percutaneous transluminal coronary angioplasty, the interior thrombus dissolving art of arteria coronaria is judged, and logical again detection and the monitoring of operation back arteria coronaria, can in certain limit, reduce the number of times of coronary angiography, perhaps needn't reuse the coronary angiography check, to alleviate patient's misery.
7, the research of Chinese medicine pulse principle: the research that the hemodynamic parameter that this utility model provides can be used for the Chinese medicine pulse quantification, objectify, to illustrate the pulse condition principle, for tcm diagnosis provides objective basis.
In a word, this utility model is easy and simple to handle, use is flexible, there are not wound, no pain, safe and effective when checking patient, and environment there is not specific (special) requirements, can can not stand up the critical patient, can not move, critically ill, during just in first aid under the situation of (patient has stuck with multiple pipeline on one's body), finish detection like a cork.As long as scratching about 1 cm range of tremulous pulse patient lays pick off, just can get figure immediately, handle immediately and obtain the result very soon, and can check at any time and dynamically guard.
Below in conjunction with accompanying drawing, specifically introduce the structure and the characteristics of hardware and software of the present utility model.
Fig. 1 is an overall structure block diagram of the present utility model.
Fig. 2 is a hardware circuit block diagram of the present utility model.
Fig. 3 is the electrical schematic diagram of the inputs of pulse transducer of the present utility model and ECG electrode, amplification control circuit.
Fig. 4 is the electrical schematic diagram that circuit is adjusted in pulse transducer imbalance of the present utility model.
Fig. 5 is the electrical schematic diagram of data processing circuit of the present utility model.
This utility model comes down to an intelligent signal collection blood processor, mainly is divided into hardware components and software section on its structure, is cooperated the function of use of finishing this device by these two parts.
Referring to Fig. 1, wherein hardware components is divided into pulse and the Electrocardiographic responsive respectively input of gathering again, amplification control circuit, and by the data processing circuit that A/D changer and chip microprocessor constitute, RS-232 interface circuit and power circuit are formed.Software section then is the special-purpose software that stores in the microcomputer, is calculated, analyzes, diagnoses and printed by its data signal that single-chip microcomputer is sent here, and send control signal by single-chip microcomputer, comes the work of control hardware circuit.
Hardware circuit diagram of the present utility model sees also shown in Figure 2, and hardware circuit of the present utility model is mainly formed with control circuit A, data processing circuit B, power circuit C three parts by amplifying.It mainly finishes accurate collection, amplification and the date processing of pulse and standard 12 lead electrocardiosignal, realize pulse and three road electrocardiosignal synchronous drivings, and by single-chip microcomputer and standard serial mouth RS232 driver to the microcomputer mail message, and finish tasks such as the real-time diagnosis monitoring of patient's pulse and three road electrocardiosignaies and cardiac diagnosis lead conversion, arteries and veins figure sensitivity control, filtering, the controls of display floater display lamp by the instruction that microcomputer sends.
Please be simultaneously referring to Fig. 3, shown in Figure 4, wherein the pulse part mainly is made up of pulse transducer, pulse transducer reference power supply U24, partiting dc capacitor C4, C5, instrumentation amplifier U19, adjustable amplifier U20, gain controller U21, buffer amplifier U22, low pass filter.Pulse transducer is the bridge circuit that a silicon varistor is formed, and when the varistor pressurized, its outfan level changes, and pressure signal is sent.The pulse transducer imbalance is adjusted and is finished by potentiometer W1, W2, and wherein potentiometer W1 is checking for zero, and the outfan level equates when making the pick off zero-pressure; And potentiometer W2 is the full scale adjustment, and the outfan level is a certain value when making cell pressure be full scale.The Sensitivity Stability of pulse transducer then leans on the stability of power supply that is provided to guarantee, reference power supply U24 is-voltage-reference, provides stable 5V power supply to pulse transducer, makes pick off can accurately gather pulse signal.Pulse signal is by capacitor C 4, C5 isolates the constant pressure signal, dynamic pulse pressure signal is delivered to two-stage calculation amplifier U19, U20 amplifies, first order amplifier U19 is a high input impedance, the differential amplifier of low-voltage imbalance, can suppress common mode disturbances effectively, send into second level adjustable amplifier U20 after signal amplified about 100 times, adjustable amplifier U20 accurately is adjusted at 1800 times with signal gain, simultaneously voltage of signals is adjusted, make the pulse pressure difference signal corresponding with the normal voltage signal, signal after the amplification is sent into gain controller U21, gain controller U21 is an analog switch, its three control end A1, B1, C1 can press 0.5 to arteries and veins figure signal gain under the control of singlechip CPU, 1,1.5,2 level Four fixed proportions are adjusted, and adjusted signal is sent into multiplex controller U12 by buffering driver U22 and low pass filter and handled.
The twelve-lead electrocardiogram circuit mainly by buffer amplifier, shielding driver S, ground connection driver RL, resistance working net (claim again: prestige formula working net), the selection control U1 that leads, 1mV signal generator U23, zero and 1mV selection control U3, zero and make zero controller U2, time constant control circuit, triple channel photoelectricity isolating amplifier circuit U6 and filter circuit of 1mV switching controller U9, the conversion of leading form.The human biological signal at first enters buffer amplifier circuit by 12 lead heart electrode, helical pitch line and carries out the impedance conversion, sends into the resistance working net then and carries out the network impedance balance.Electrocardiosignal meeting polarization and combination and variation in the exchange of leading by R, L, the input of F electrode make the amplifier input impedance unbalance, need to carry out impedance balance by the resistance working net and handle.Shielding driver S, ground connection driver RL are respectively applied for shielding line, the human body grounding utmost point and float the isolation tracking at zero point of ground amplifying circuit network.Discharge tube A
1Be used to discharge the above too high static electricity on human body of 170V.The selection control that leads selects a controller to form by three two four, the A that sends according to single-chip microcomputer
0, B
0Control signal control lead signals is pressed I IIIII, aVr aVI aVf, V
1V
2V
3, V
4V
5V
6Four groups are sent respectively, send into by capacitor C
1～C
3Resistance R
1～R
3The time constant control circuit of forming.The effect of time constant control circuit is stopping direct current and makes the decay of direct current signal in 3.2 seconds less than 3db.The conversion of the leading controller U2 that makes zero is used to eliminate the floating empty voltage in when conversion that leads.Zero reaches the gating that 1mV signal selection control U3 is used for electrocardio and 1mV signal.The 1mV signal is the contrast signal of electrocardiosignal amplification quantity, and the 1mV signal is freeed device and is made up of voltage-reference U23 and resistance pressure-dividing network, takes out the 1mV signal by divider resistance, sends into zero and 1mV signal converting controller U9 respectively.Switching controller U9 is modulated into square-wave signal with zero and 1mV signal and sends into zero and 1mV signal selection control U3 under the AB signal controlling that single-chip microcomputer is sent.ABC control signal gating electrocardio or 1mV signal that selection control U3 then sends according to single-chip microcomputer are sent into triple channel photoelectricity isolating amplifier circuit respectively and are amplified.The photoelectricity isolating amplifier circuit is by instrumentation amplifier U4, in-phase amplifier U5, linear optocoupler U6, buffer amplifier U7, adjustable amplifier U8 forms, its circuit theory is to send into in-phase amplifier U5 after electrocardiosignal is isolated by instrumentation amplifier U4 amplification and with common mode disturbances, promote to send into photo-coupler U6 through in-phase amplifier U5, photo-coupler U6 sends into buffer amplifier U7 with the floating ground of front end amplifying circuit without distortion with the main circuit isolation and with signal, signal after the buffering sends into that adjustable amplifier U8 gains and the accurate adjustment of offset voltage, makes electrocardiosignal amplify 1000 times and corresponding with the normal voltage signal.Filter circuit is by 100H
zLow pass filter and 50H
zWave trap is formed, 100H
zWave filter is a second-order low-pass filter, can be with 100H
zMore than the above high-frequency signal decay 12dB, 50H
zWave trap is a quadravalence adjustable notch filter device, and Q-value is 1.6, and more than the central point decay 40dB, signal passes through 100H
zThe low pass filter filters out High-frequency Interference.50H
zWave trap is optional wave trap, when observe 50H on computer screen
zDuring serious interference, can pass through 50H
zWave trap adds controller U11 and selects 50H
zWhether wave trap adds.Filtered signal is sent into multiplex controller U12 transducer, Transmultiplexer TMUX U12 under the control of single-chip microcomputer with switching rate 1600H
zFinish the time division multiplex of four road signals.
Because pre-amplification circuit and main circuit must be isolated, send into the exchange of leading after doing isolated from power and voltage adaptation from the control signal of single-chip microcomputer by buffering driver and photoelectrical coupler, the conversion return-to-zero, zero of leading reaches that the 1mV conversion of signals is controlled, 50H
zControl ends such as wave trap adding.
Need to prove that the lead signals amplifying circuit among Fig. 3 has three passages, and the circuit of these three passages and signal flow thereof all are identical.In order to simplify, only to have drawn first passage among Fig. 3 and second and third passage has been omitted it.
Referring to Fig. 5, wherein data processing circuit B is made up of microprocessor U16, analog-digital converter U14, crystal oscillator, multiplex controller U12, display driver circuit U18, microprocessor monitors circuit U 15, RS-232 serial signal driver U17.Microprocessor U16 (single-chip microcomputer) is the control core of data processing circuit, and it by serial signal RS-232 interface and personal computer exchange message, controls peripheral circuit work according to the instruction that computer is sent under the support of application program.Multiplex controller U12 sends three tunnel electrocardiosignaies and one road arteries and veins figure signal into analog-digital converter circuit successively under the control of microprocessor U16, analog-digital converter circuit is made up of A-D converter U14 and its peripheral potentiometer, this potentiometer is used to adjust the analog to digital conversion precision, analog-digital converter circuit is transformed into 12 position digital signals with four tunnel analogue signals and sends into microprocessor U16, becomes serial signal through microprocessor U16 processing and sends into computer by serial port driver U17.Crystal oscillator CO is that the microprocessor dominant frequency produces the source, is made up of crystal oscillator and two electric capacity, and this electric capacity is used for the fine setting to frequency, and crystal oscillator frequency is 7.3728MH
z, it is the basis of sampling rate, serial port baud rate, the generation of program operating rate.Display driver circuit is made up of the shift register U18 that seals in and go out, exclusion and LED luminous tube L1～L15, the serial signal control appliance panel leds work of sending by microprocessor.The microprocessor monitors circuit is made up of microprocessor monitors device U15, audion and LED light, mainly is 5V power supply and microprocessor program ruuning situation are monitored; When brownout, program occurred wrong or can not receive the trigger impulse that single-chip microcomputer sends in 1.6 seconds, this supervisory circuit can make single-chip microcomputer turn-off operation or automatically reset, and LED light is bright when resetting.The serial signal interface circuit is made up of RS-232 driver U17 and electric capacity, and the RS-232 driver is responsible for the conversion of RS232 interface transmitting-receiving level.
Be provided with microprocessor monitors device U15 in this utility model, it directly links to each other with chip microprocessor U16, and three effects are arranged; 1, supply voltage is monitored,, produced reset pulse when voltage drops to below the 4.65V; 2, when program error operation, when entering abnormal conditions such as endless loop single-chip microcomputer is automatically reset; 3, send out pulse by the software program control single chip computer to this supervisory circuit U15, when the input of this supervisory circuit U15 on the hardware is not triggered in 1.6 seconds, its output is low level, and single-chip microcomputer is resetted, software and hardware is combined closely, be difficult for by pirate.
This utility model be utilize 12V power supply that microcomputer provides by the power circuit on the power panel produce for the use of electrocardiosignal pre-amplification circuit ± the DC/DC changer of 9V DC-isolation power supply, thereby make pre-amplification circuit isolated, stable ± the 9V dc source.Its control circuit belongs to traditional circuit, does not repeat them here.
Structural design of the present utility model is the form of built-in computer, control circuit is installed in respectively on main circuit board, power panel, three blocks of plates of display driver plate, wherein amplify with control circuit A and data processing circuit B and be positioned on the main circuit board, main circuit board is designed to expanded slot of computer plate form, make pulse transducer, electrocardio helical pitch line, direct current ± 5V and ± the 12V power supply directly enters main circuit board, will have interferential power panel C and be placed in the shielding box away from mainboard.Display floater adopts deposited plate to mould seal technology, makes one together with power pack and inserts the box structure, is fixed on computer CD ROM box position.
Software section of the present utility model is based on the application software on WINDOWS 98 operating systems. and in this software, embody a kind of human pulse figure and electrocardiogram of utilizing and cooperating the method for checking painstaking effort health status. the method is flexible, easy, quick, to checking that patient does not have wound, not painful, safe and effective, can implement urgent rescue monitoring to the critical patient; Simultaneously in testing process, can propose the Clinics and Practices suggestion intelligently, also comprise in the detection method, functions such as inquiry, management, correction are provided the patient history preservation of classifying at patient's inspection parameter.
This utility model just can start and move after application software is installed.Its use is summarized as follows: lay pulse transducer and electrocardioelectrode at first on request, after the doctor carries out system login, begin to check patient and typing patient essential information, enter the waveform acquisition window afterwards, convert the digital signal that collects to meet arteries and veins figure, electrocardiographic criteria test pattern through microcomputer, and on screen display pulse image and twelve-lead electrocardiogram real-time dynamicly, wherein the waveform acquisition window is made up of four waveform viewing areas and some control buttons.The waveform of its top display pulse figure, below three show three road electrocardiograms, can control adjustment in real time to each road waveform by the control button of click by it.After signals collecting is finished, the labor that can carry out multiple operation to each road waveform by the waveform analysis window of forming by waveform viewing area and control zone.
This waveform analysis window can be handled, switch and control arteries and veins figure and twelve-lead electrocardiogram simultaneously.It is a net region that has coordinate axes that the waveform here amplifies the viewing area, abscissa is the time, is unit with the millisecond, and vertical coordinate is a signal magnitude, with the millivolt is unit, can come the difference on any 2 X-directions and Y direction in the measured waveform viewing area by the mouse reconnaissance.
Utilizing arteries and veins figure is choosing of arteries and veins figure index point to the key that patient carries out the hemodynamics diagnosis.Arteries and veins figure index point is the transition point that a mechanical process in the cardiac cycle changes another mechanical process into, is the beginning or end of arteries and veins figure equation.The arteries and veins figure index point that the user need select is: b: the opening of aortic valve point; C point: aorta maximal pressure force; The e point: left chamber stops to penetrate the blood point; E1 point: left chamber diastole starting point; E2 point: aortic valve closing point; F point: OMV point; The g point: ripple b ' point gets damp: next opening of aortic valve point.
In selecting, the user selects a cycle to be analyzed in arteries and veins figure waveform, push " calculating " button and just can enter data analysis window, this utility model can calculate automatically and seek a little and each characteristic point is labeled on the arteries and veins figure waveform this moment, also can select corresponding characteristic point by hand, the success rate that this utility model is got a little automatically by computer is very high.
This utility model is similar to Electrocardiographic analyzing and processing.The characteristic point that ecg analysis is used is explained as follows respectively: P1: ECG P ripple starting point; P: ECG P ripple peak; P2: ECG P ripple end point; Q1: electrocardiogram Q ripple starting point; Q: electrocardiogram Q ripple minimum point; R: ECG R wave peak; S: electrocardiogram S ripple minimum point; J: ECG ST section starting point; T1: ECG T wave starting point; T: ECG T wave peak; T2: ECG T wave end point; R ': another R ripple peak of electrocardiogram.In the ecg analysis process these characteristic points differ establish a capital choosing can, but choose a characteristic point, software of the present utility model will list out in tables of data with the corresponding calculated result.
Last exportable arteries and veins map analysis result report of this utility model and ecg analysis result report.Wherein arteries and veins map analysis result report includes: patient's basic condition lists, and lists the result of calculation of three kinds of patterns (routine, first aid, detailed) in " card label " mode.The quantity difference of the parameter that different mode is listed, emphasis are also different.In each pattern, not only list the title and the result of calculation value of parameter, but also point out this value whether in normal range with colour bar.Ecg analysis result report is identical with the basic structure of arteries and veins figure, mainly is waveform and the result of calculation of listing twelve-lead electrocardiogram with card label mode, is not described in detail in this.
One of important feature of the present utility model is can calculate as a result parameter to arteries and veins figure to carry out system automatic Interpretation, and intelligent diagnostic recommendations is proposed for the user. This device is judged bar according to the blood flow mechanics of disease Part provides the diagnosis result for doctor's reference, and the doctor can advance with reference to diagnosis result and patients clinical symptom Row is made a definite diagnosis, and also can revise the diagnosis result, and printout.
The utility model is diagnosed function to can be the doctor to the consulting of electrocardiogram each electrocardio Graph Character is provided Data are judged the method for heart disease and are proposed the treatment suggestion.
The utility model is manufactured experimently out some in model machine, through using at hospital clinical, has realized invention Purpose.
Claims (6)
1, a kind of cardiovascular hemodynamic-cardioelectric detector, by pulse and 12 lead electrocardiosignal are gathered the control circuit of input, amplification respectively, the hardware components that data processing circuit and power circuit constitute, and formed by microcomputer and its specialized application software, it is characterized in that: above-mentioned hardware circuit includes: be respectively applied for the pressure transducer of measuring pulse and measure the sensor circuit that Electrocardiographic 12 lead electrode constitutes; The arteries and veins figure amplification control circuit that constitutes by reference power supply and the partiting dc capacitor, two-stage calculation amplifier, gain selection control, buffer amplifier and the low pass filter that are linked in sequence; The buffer amplifier that is linked in sequence by multichannel, shielding driver, ground connection driver, resistance job network, the selection control that leads, time constant circuit, the conversion of the leading controller, zero and the electrocardiogram amplification control circuit that constituted of 1mv selection control, triple channel photoelectric isolating circuit and filter circuit that makes zero; And the data processing circuit that constitutes by multiplex controller, A/D transform controller, chip microprocessor and crystal oscillator thereof, cpu monitor circuit, RS232 driver and display driver circuit; And by the microcomputer of RS232 serial port connection and the special-purpose software that is used to handle arteries and veins figure and ECG information and proposition report and diagnostic recommendations of its storage.
2, cardiovascular hemodynamic-cardioelectric detector as claimed in claim 1 is characterized in that: above-mentioned arteries and veins map sensor is the bridge circuit that is made of varistor, and is provided with two potentiometers as zero-bit and full scale adjustment.
3, cardiovascular hemodynamic-cardioelectric detector as claimed in claim 1 is characterized in that: above-mentioned three road photoelectricity isolating amplifier circuits are made of two-stage calculation amplifier, precision linear photoelectrical coupler, buffer amplifier and low pass filter.
4, cardiovascular hemodynamic-cardioelectric detector as claimed in claim 1 is characterized in that: above-mentioned filter circuit is made of 100HZ wave filter, 50HZ wave trap and 50HZ trap selection control.
5, cardiovascular hemodynamic-cardioelectric detector as claimed in claim 1, it is characterized in that: above-mentioned control circuit is separately positioned on main circuit board, power panel and the display driver plate, wherein pulse transducer, electrocardio helical pitch line and amplification thereof, control circuit, data processing circuit all are positioned at main circuit board, this main circuit board structure is the form of expanded slot of computer plate, is placed in the above-mentioned microcomputer cabinet; Power panel then is placed in the shielding box away from mainboard; Display floater adopts deposited plate to mould seal technology and makes, and makes with power pack and inserts the box structure, is fixed on the HDDbox position of above-mentioned microcomputer.
6, cardiovascular hemodynamic-cardioelectric detector as claimed in claim 1 is characterized in that: above-mentioned hardware circuit also can be made into the external absolute construction with notebook computer or computer network interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99248922 CN2385674Y (en) | 1999-09-30 | 1999-09-30 | Cardiovascular hemodynamics-electrocardiograph instrumentation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99248922 CN2385674Y (en) | 1999-09-30 | 1999-09-30 | Cardiovascular hemodynamics-electrocardiograph instrumentation |
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| Publication Number | Publication Date |
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| CN2385674Y true CN2385674Y (en) | 2000-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 99248922 Expired - Fee Related CN2385674Y (en) | 1999-09-30 | 1999-09-30 | Cardiovascular hemodynamics-electrocardiograph instrumentation |
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| CN (1) | CN2385674Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105550533A (en) * | 2016-02-24 | 2016-05-04 | 成都信汇聚源科技有限公司 | Electrocardiograph information acquisition and management method |
| CN105758620A (en) * | 2016-05-06 | 2016-07-13 | 东南大学 | Testing device for hemodynamic performance of vascular stent coupling system |
| WO2016205993A1 (en) * | 2015-06-23 | 2016-12-29 | 中国科学院深圳先进技术研究院 | Gpu-based parallel electrocardiosignal analysis method |
-
1999
- 1999-09-30 CN CN 99248922 patent/CN2385674Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016205993A1 (en) * | 2015-06-23 | 2016-12-29 | 中国科学院深圳先进技术研究院 | Gpu-based parallel electrocardiosignal analysis method |
| US10258250B2 (en) | 2015-06-23 | 2019-04-16 | Shenzhen Institutes Of Advanced Technology Chinese Academy Of Sciences | GPU-based parallel electrocardiogram signal analysis method, computer readable storage medium and device |
| CN105550533A (en) * | 2016-02-24 | 2016-05-04 | 成都信汇聚源科技有限公司 | Electrocardiograph information acquisition and management method |
| CN105758620A (en) * | 2016-05-06 | 2016-07-13 | 东南大学 | Testing device for hemodynamic performance of vascular stent coupling system |
| CN105758620B (en) * | 2016-05-06 | 2017-12-22 | 东南大学 | A kind of intravascular stent coupled system haemodynamics performance testing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CU03 | Publication of corrected utility model |
Correction item: Designer Correct: He surong; Lei Lancang; Du Feng; Liu Shibin; Yang Songshan; Zhang Yunzhi; song Huanrong; Du Yan; Feng Zhanlin; Zhao Weidong False: He surong; Lei Lancang; Du Feng; Liu Shibin; Yang Songshan; Zhang Yunzhi; song Huanrong; Feng Zhanlin; Zhao Weidong Page: 27 Volume: 16 |
|
| ERR | Gazette correction |
Free format text: CORRECT: DESIGNER; FROM: HE SURONG LEI LANCANG DU FENG LIU SHIBIN YANG SONGSHAN ZHANG YUNZHI SONG HUANRONG FENG ZHANLIN ZHAO WEIDONG TO: HE SURONG LEI LANCANG DU FENG LIU SHIBIN YANG SONGSHAN ZHANG YUNZHI SONG HUANRONG DU YAN FENG ZHANLIN ZHAO WEIDONG |
|
| C56 | Change in the name or address of the patentee |
Owner name: HE SURONG; LIU SHIBIN Free format text: CHANGE FOR CO-PATENTEE; FORMER NAME OR ADDRESS: NONE |
|
| CP01 | Change in the name or title of a patent holder |
Co-patentee after: He Surongliushibin |
|
| 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 |