CN2827268Y - Program-controlled stamulation apparatus having electrocardiogram displaying - Google Patents
Program-controlled stamulation apparatus having electrocardiogram displaying Download PDFInfo
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- CN2827268Y CN2827268Y CN 200420022938 CN200420022938U CN2827268Y CN 2827268 Y CN2827268 Y CN 2827268Y CN 200420022938 CN200420022938 CN 200420022938 CN 200420022938 U CN200420022938 U CN 200420022938U CN 2827268 Y CN2827268 Y CN 2827268Y
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Abstract
The utility model discloses a program-controlled stimulator apparatus having the function of electrocardiogram display. The utility model comprises a signal collecting circuit, a power supply managing system and a stimulating output circuit, wherein the signal collecting circuit comprises an electrocardiogram amplifier circuit and two paths of sensing circuits, and the signal collecting circuit is used for amplifying and filtering input signals and obtaining sensing signals; the power supply managing system provides a power supply and power supply control and adopts a DC method and an AC method, and a relay is utilized for power supply switching; besides, the stimulating output circuit mainly generates and outputs controlled stimulating pulses. The utility model adopts two-path stimulating output, and the phenomena that skeletal muscles are shrunk because of stimulation, endure external interference and sense far electric fields can not be easily generated; besides, after pulse signals generated by a main control are isolated and amplified, the needed stimulating pulses can be obtained. The utility model can effectively solve the problems of single function, simple technology and lack of waveform display existing in the program-controlled stimulator, and the utility model is used for clinical medical care heart and pacing stimulation.
Description
Technical field
This utility model relates to a kind of clinical treatment instrument, particularly relates to a kind of the have cardiac monitoring of electrocardio demonstration and the programmable stimulator of pace-making stimulatory function.
Background technology
At present, the programmable stimulator on the market is mainly used in the electric-physiology parameter of conducting system of heart and measures and functional check, for ARR diagnosis provides necessary foundation and assesses for the curative effect of antiarrhythmic drug.It is that medical institutions at different levels internal medicine, department of pediatrics, the clinicist of emergency department are carried out necessary detection of electric physiology work and therapeutic equipments.But, make a general survey of present product and all have following shortcoming:
1, can only satisfy in the daily electrophysiologic study and simple ARRly to duplicate and bring out, duplicate and bring out and can't realize that complexity such as atrial fibrillation and chamber speed are ARR.Stimulate and the pace-making function singleness, kind is few, can't satisfy needs clinical and research.
2, do not possess real-time demonstration, playback, printing and the recording storage function of ecg wave form, can only observe cardiac electrical variation by other equipment.Doctor's operation is very inconvenient, operation cost height.
3, have only single channel to stimulate, easily perception electric field far away and be subject to the heart and disturb outward.Can't satisfy the clinical practice occasion of function complexity.
Summary of the invention
The technical problem that this utility model solves provides a kind of programmable stimulator that electrocardio shows that has, and it can be used for non-invasive esophageal pulsation modulation, also can be used for the heart internal stimulus.This utility model can carry out sinus node function and measure, the electrophysiologic study of atrium and chamber conduction, supraventricular tachycardia or slow excessively bringing out are ended and electrophysiologic study, atrioventricular node multipath road and lie electrophysiologic study, the mensuration of various refractory stages, ventricular tachycardia and slow excessively electrophysiologic study, the implanted pacemakers functional test, the electricity pharmacology is observed, and cardiac pacing " threshold value " is measured in the first aid of sudden cardiac arrest.It is single that it can effectively solve the existing acquired signal that stimulates instrument to exist, and stimulates output single, and lack that waveform shows in real time, problems such as storage and printing, make clinical manipulation more simple and convenient.
For solving the problems of the technologies described above, this utility model programmable stimulator comprises 5 modules: signal acquisition circuit, two-way stimulate output circuit, master controller fundamental system, Man Machine Interface module and power-supply management system.The Man Machine Interface module is made up of 256 color LCD, push-button array, audible alarm and thermal printer, the signal waveform of gathering can be presented on the 256 color LCD in real time, can print by thermal printer.
Signal acquisition circuit comprises and can carry out the ecg amplifier circuit of processing and amplifying and the two-way perception circuit that R ripple, P ripple is carried out perception to human ecg signal.At first carry out elementary low-pass filtering to gathering the human ecg signal that comes, the output signal of low-pass filter circuit is carried out elementary amplification again through after the signal follower, amplification is 10 times.Signal after the amplification is sent into the 50Hz filter circuit through behind the active low-pass filter again, carries out secondary and amplify behind filter circuit, and the secondary amplification is 100 times.Signal after secondary amplifies is sent into isolated amplifier and is isolated, and sends into the A/D acquisition interface of master controller at last.The perception circuit adopts two perception circuit, R ripple and P ripple is carried out perception, the program-controlled adjusting of perceptual sensitivity.Perceptual signal obtains from the outfan of isolated amplifier F7, through the amplification of amplifier, and after the active low-pass filter filtering and the reference voltage level of digital regulation resistance output send into comparator together.Signal relatively passes through NAND gate circuit again, delivers to master controller at last, thereby obtains perceptual signal.
Power-supply management system provides power supply and power supply control, adopts the AC/DC mode, and power supply switches (hand over, directly isolate) and adopts relay.Described master controller fundamental system is by real-time clock RTC, SDRAM, FLASH, nandFlash, LAN, EEPROM, and A/D conversion, communication interface, control logic are formed.It is the S3C44B0X of ARM7 core that master controller adopts, and itself carries 10 A/D, RTC, house dog, lcd controller, multiple serial line interface.It is 32 a flush bonding processor, and very rich in natural resources is arranged.High capacity dynamic real-time storage (SDRAM) and power down storage (FLASH) mode are adopted in storage, and SDRAM adopts HY57V281620, and FLASH adopts SST39VF320, and nandFlash adopts K9F5608.Data conversion storage adopts USB, and the mode of Ethernet is adopted in communication.
Stimulating output circuit mainly is to produce and output-controlled boost pulse.Adopt two-way to stimulate output, be difficult for the skeletal muscle irriate takes place and shrink, be not subject to that the heart is outer to be disturbed and perception electric field far away.The pulse signal that master controller produces promptly can obtain the boost pulse that needs after isolating, amplifying.
The utlity model has complete, operation interface efficiently, data can be in real time, recorded and stored, demonstration and printing continuously, can gather multiple signal.These characteristics are all providing abundant quantity of information to the clinician aspect the electric physiology treatment.
Description of drawings
Below in conjunction with the drawings and specific embodiments this utility model is described in further detail:
Fig. 1 is this utility model system construction drawing;
Fig. 2 is this utility model master controller basic system structure figure;
Fig. 3 is the ecg amplifier circuit theory diagrams of this utility model signals collecting
Fig. 4 is the perception circuit theory diagrams of this utility model signals collecting;
Fig. 5 is that this utility model stimulates the output circuit schematic diagram;
The specific embodiment
As shown in Figure 1, 2, this utility model programmable stimulator mainly comprises 5 modules: signal acquisition circuit, two-way stimulate output circuit, master controller fundamental system, Man Machine Interface module and power-supply management system.
Described signal acquisition circuit is made up of ecg amplifier circuit and perception circuit, mainly be to finish the prime processing of signals collecting and the perception of R (P), electrocardiosignal is imported from cardiac diagnosis lead-line, through filtering, amplify, the A/D that isolation can be delivered to master controller converts the collection of signal.
Described power-supply management system provides power supply and power supply control.Described Man Machine Interface module is by 256 color LCD, and push-button array, audible alarm and thermal printer are formed.Described master controller fundamental system is by real-time clock RTC, SDRAM, FLASH, nandFlash, LAN, EEPROM, and A/D conversion, communication interface, control logic are formed.It mainly is to carry out computing, processing and storage according to the signal that the signal acquisition part branch is sent in the order that Man Machine Interface is sent here here to finish different clinical requirements.It is the S3C44B0X of ARM7 core that master controller adopts, and itself carries 10 A/D, RTC, house dog, lcd controller, multiple serial line interface.It is 32 a flush bonding processor, and very rich in natural resources is arranged.SDRAM adopts HY57V281620, and FLASH adopts SST39VF320, and nandFlash adopts K9F5608.Data conversion storage adopts USB, and the mode of Ethernet is adopted in communication.
Described stimulation output circuit mainly is to produce and output-controlled boost pulse.It directly outputs to the stimulation delivery outlet to the pulse that master controller produces after isolating, amplifying.
As Fig. 3 is the ecg amplifier schematic diagram of signals collecting, and it mainly finishes the collection of electrocardiosignal, and filtering is amplified.The front end F1 that the electrocardiosignal that collects from human body is sent into signal acquisition module by cardiac diagnosis lead-line carries out elementary filtering, and the low pass filter that F1 is made up of resistance, electric capacity is sent into signal follower F2 then, and follower is made up of AD822.Output to primary amplifier module F3 from follower F2, the primary amplifier module is made up of INA128, and amplification is 10 times.Signal after the amplification is sent into the active low-pass filter F4 that is made up of resistance, electric capacity and AD820 chip and is carried out filtering, deliver to the 50HZ filter circuit F5 that forms by resistance, electric capacity and chip OPA2134 again through after the filtering, send into second amplifying circuit F6 then and carry out the secondary amplification, the two-stage amplifier module is made up of INA128, and amplification is 100.Amplify through two-stage this moment, and filtered signal is delivered to isolated amplifier F7, and isolated amplifier is made up of ISO128, delivers to the A/D acquisition interface of master board after isolated amplifier output.
Be illustrated in figure 4 as the perception circuit.Its effect is when stimulating output R (P) ripple to be carried out perception, to escape refractory stage.Obtain on the outfan of perceptual signal by isolated amplifier F7 among Fig. 3, amplification through amplifier F8, again through by resistance, electric capacity and and the active low-pass filter F9 filtering formed of AD820 chip after, deliver to comparator F11 together with the reference voltage level of digital regulation resistance F10 output, after comparator output,, deliver to the middle fracture of master controller at last again through not circuit F12.Master controller is judged the arrival of perception according to interrupt flag bit.
Be illustrated in figure 5 as the stimulation output circuit.Deliver to light idol isolator F13 by the pulse signal source that the master controller plate produces, isolate outputing to digital regulation resistance F14 through the light idol, the output voltage of digital regulation resistance is given signal amplifier F15 again, and signal amplifier is made up of AD820.After the amplifier amplification, output voltage is delivered to F16 and is carried out secondary amplification adjustment, and F16 inside is made up of triode, resistance, stabilivolt, relay and the holding circuit of cascade.Stimulate the instrument outfan promptly can obtain the boost pulse that needs at last.
Claims (3)
1. one kind has the programmable stimulator that electrocardio shows, comprise that signal acquisition circuit, two-way stimulate output circuit, master controller fundamental system, Man Machine Interface module and power-supply management system, it is characterized in that: described Man Machine Interface module is made up of 256 color LCD, push-button array, audible alarm and thermal printer, and prints by thermal printer simultaneously; Described master controller fundamental system by real-time clock RTC, Synchronous dynamic RAM SDRAM, flash memory FLASH, static storage chip nandFlash, LAN LAN, can repeat erasable programmable storage EEPROM, analog/digital conversion, communication interface, control logic are formed; Master controller adopts the S3C44BOX of ARM7 core, and itself carries 10 A/D, RTC, house dog, lcd controller and multiple serial line interface, is 32 flush bonding processor; SDRAM adopts HY57V281620, and FLASH adopts SST39VF320, and nandFlash adopts K9F5608; Data conversion storage adopts USB, and the mode of Ethernet is adopted in communication.
2. the programmable stimulator with electrocardio demonstration as claimed in claim 1, it is characterized in that: the two-way perception circuit that signal acquisition circuit comprises the ecg amplifier circuit and R ripple and P ripple are carried out perception, the human ecg signal that collects is at first carried out elementary low-pass filtering, after the output signal of low-pass filter circuit sent into signal follower, carry out elementary amplification again, amplification is 10 multiples, signal after the amplification is sent into the 50Hz filter circuit through behind the active low-pass filter again, carry out secondary and amplify behind filter circuit, the secondary amplification is 100 times; Signal after secondary amplifies is sent into isolated amplifier F7 and is isolated, and sends into the A/D acquisition interface of master controller at last; The perception circuit adopts two perception circuit, R ripple and P ripple is carried out perception, the program-controlled adjusting of perceptual sensitivity; Perceptual signal obtains from the outfan of isolated amplifier F7, through the amplification of amplifier, and after the low pass filter F9 filtering, sends into comparator F11; After comparator output, pass through NAND gate circuit F12 again, deliver to the middle fracture of master controller again, thereby obtain perceptual signal.
3. the programmable stimulator with electrocardio demonstration as claimed in claim 1, it is characterized in that: described two-way stimulates output, deliver to light idol isolator F13 by the pulse signal that the master controller plate produces, output to digital regulation resistance F14 after the light idol is isolated, the output voltage of digital regulation resistance is given signal amplifier F15 again; After signal amplified through signal amplifier, output voltage was delivered to two-stage amplifier F16 and is carried out the secondary amplification, promptly obtains the boost pulse that needs after the amplification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420022938 CN2827268Y (en) | 2004-05-20 | 2004-05-20 | Program-controlled stamulation apparatus having electrocardiogram displaying |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420022938 CN2827268Y (en) | 2004-05-20 | 2004-05-20 | Program-controlled stamulation apparatus having electrocardiogram displaying |
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| CN2827268Y true CN2827268Y (en) | 2006-10-18 |
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| CN 200420022938 Expired - Fee Related CN2827268Y (en) | 2004-05-20 | 2004-05-20 | Program-controlled stamulation apparatus having electrocardiogram displaying |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114072045A (en) * | 2019-10-29 | 2022-02-18 | 深圳迈瑞生物医疗电子股份有限公司 | Self-adaptive alarm system, method and device and Internet of things system |
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2004
- 2004-05-20 CN CN 200420022938 patent/CN2827268Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114072045A (en) * | 2019-10-29 | 2022-02-18 | 深圳迈瑞生物医疗电子股份有限公司 | Self-adaptive alarm system, method and device and Internet of things system |
| CN114072045B (en) * | 2019-10-29 | 2024-03-22 | 深圳迈瑞生物医疗电子股份有限公司 | Self-adaptive alarm system, method and device and Internet of things system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061018 Termination date: 20110520 |