CN107233094A - A kind of electromyogram evoked potentuial measuring system - Google Patents
A kind of electromyogram evoked potentuial measuring system Download PDFInfo
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- CN107233094A CN107233094A CN201610185716.2A CN201610185716A CN107233094A CN 107233094 A CN107233094 A CN 107233094A CN 201610185716 A CN201610185716 A CN 201610185716A CN 107233094 A CN107233094 A CN 107233094A
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- 230000000763 evoking effect Effects 0.000 title claims abstract description 27
- 238000001914 filtration Methods 0.000 claims abstract description 26
- 230000000638 stimulation Effects 0.000 claims abstract description 15
- 230000003993 interaction Effects 0.000 claims abstract description 5
- 230000003321 amplification Effects 0.000 claims abstract description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 3
- 238000002955 isolation Methods 0.000 claims description 15
- 238000012360 testing method Methods 0.000 claims description 10
- 238000013519 translation Methods 0.000 claims description 7
- 238000013461 design Methods 0.000 abstract description 2
- 230000010354 integration Effects 0.000 abstract description 2
- 201000010099 disease Diseases 0.000 description 4
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 4
- 238000005424 photoluminescence Methods 0.000 description 4
- 210000004556 brain Anatomy 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000003745 diagnosis Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- SGTNSNPWRIOYBX-UHFFFAOYSA-N 2-(3,4-dimethoxyphenyl)-5-{[2-(3,4-dimethoxyphenyl)ethyl](methyl)amino}-2-(propan-2-yl)pentanenitrile Chemical compound C1=C(OC)C(OC)=CC=C1CCN(C)CCCC(C#N)(C(C)C)C1=CC=C(OC)C(OC)=C1 SGTNSNPWRIOYBX-UHFFFAOYSA-N 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 210000001617 median nerve Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 210000000653 nervous system Anatomy 0.000 description 1
- 210000001178 neural stem cell Anatomy 0.000 description 1
- 230000000926 neurological effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000004936 stimulating effect Effects 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/316—Modalities, i.e. specific diagnostic methods
- A61B5/389—Electromyography [EMG]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/316—Modalities, i.e. specific diagnostic methods
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7225—Details of analog processing, e.g. isolation amplifier, gain or sensitivity adjustment, filtering, baseline or drift compensation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7235—Details of waveform analysis
- A61B5/725—Details of waveform analysis using specific filters therefor, e.g. Kalman or adaptive filters
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
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- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Signal Processing (AREA)
- Artificial Intelligence (AREA)
- Physiology (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Psychiatry (AREA)
- Power Engineering (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
Abstract
It is an object of the invention to disclose a kind of electromyogram evoked potentuial measuring system, it includes the master controller that various types of signal stimulation is carried out to human body, human body signal is acquired, amplification and the signal processor and pilot controller of filtering, master controller is connected with pilot controller and carries out data interaction, signal processor is connected with master controller, master controller is also associated with changing by two group pulse signal phases adjusting the current strength of stimulation, the stimulator of intensity of sound and flash intensity and the insulating power supply being powered to equipment, pilot controller is also associated with the operator for being easy to operate equipment；Compared with prior art, electromyogram and Evoked ptential are integrated, using integration of industry Specialty Design, drop resistant antidetonation, temperature difference tolerance degree is high, and anti-electromagnetic interference capability is strong, and fault rate is low, and stability is strong, and safe, service life is long, realizes the purpose of the present invention.
Description
Technical field
The present invention relates to a kind of clinical detection instrument, more particularly to a kind of electromyogram evoked potentuial measuring system for integrating electromyogram and Evoked ptential.
Background technology
Electromyogram is an important electrophysiologic study on Neurological Clinics, neurology department often distinguishes the cause of disease of disease with it and carries out the positioning of diseased region, for the diagnosis of neurotrosis, electromyogram more has the value of uniqueness, in addition, electromyogram is additionally operable to follow the trail of the recovery process and curative effect of disease in the therapeutic process of various diseases.
Evoked ptential refers to that giving nervous system specifically stimulates, and makes brain be processed the information of stimulation, the system and brain corresponding site produce it is can detecting, with stimulate have be relatively fixed time interval and certain bits phase biological electricity reaction.
At present, the signal sensitivity and noise level of domestic electromyogram evoked potentuial measuring system are generally poor, and import like product has very big gap, and antijamming capability is weaker, in the case that medical environment is not very perfect at home, it is easy to the output for the influence precision waveform that is interfered.
It is accordingly required in particular to a kind of electromyogram evoked potentuial measuring system, to solve above-mentioned existing problem.
The content of the invention
It is an object of the invention to provide a kind of electromyogram evoked potentuial measuring system, in view of the shortcomings of the prior art, integrate electromyogram and Evoked ptential, stability is strong, and strong antijamming capability is safe.
Technical problem solved by the invention can be realized using following technical scheme：
A kind of electromyogram evoked potentuial measuring system, it is characterized in that, it includes the master controller that various types of signal stimulation is carried out to human body, human body signal is acquired, amplification and the signal processor and pilot controller of filtering, master controller is connected with pilot controller and carries out data interaction, signal processor is connected with master controller, master controller is also associated with changing by two group pulse signal phases adjusting the current strength of stimulation, the stimulator of intensity of sound and flash intensity and the insulating power supply being powered to equipment, pilot controller is also associated with the operator for being easy to operate equipment.
In one embodiment of the invention, signal processor includes preposition head unit and rear end amplifying unit, preposition head unit includes radio frequency filter circuit, shield guard circuit, testing impedance circuit and differential amplifier circuit, radio frequency filter circuit connects shield guard circuit, testing impedance circuit and differential amplifier circuit respectively, and differential amplifier circuit is connected with shield guard circuit and testing impedance circuit respectively.
Further, rear end amplifying unit includes high-pass filtering and main amplifying circuit, control and float power circuit and end filtering and earthing power supply circuit, high-pass filtering and main amplifying circuit are connected with control and float power circuit, and end filtering and earthing power supply circuit are connected with high-pass filtering and main amplifying circuit and control and float power circuit respectively.
Further, end filtering and earthing power supply circuit are connected by electrical isolation with high-pass filtering and main amplifying circuit and control and float power circuit respectively, and the creep age distance of electrical isolation is more than 8mm.
In one embodiment of the invention, insulating power supply includes ground connection control and earthing power supply circuit, current control circuit and DC/DC translation circuits, ground connection control and earthing power supply circuit are connected with current control circuit, and current control circuit is connected with DC/DC translation circuits.
Further, ground connection control and earthing power supply circuit are connected by electrical isolation with current control circuit, and the creep age distance of electrical isolation is more than 8mm.
In one embodiment of the invention, pilot controller is also associated with output equipment, and output equipment includes display and printer.
In one embodiment of the invention, operator includes function keyboard and floor push.
The electromyogram evoked potentuial measuring system of the present invention, compared with prior art, electromyogram and Evoked ptential are integrated, using integration of industry Specialty Design, drop resistant antidetonation, temperature difference tolerance degree is high, and anti-electromagnetic interference capability is strong, and fault rate is low, stability is strong, safe, service life is long, realizes the purpose of the present invention.
The features of the present invention see the detailed description of this case schema and following preferable embodiment and is well understood.
Brief description of the drawings
Fig. 1 is the structural representation of the electromyogram evoked potentuial measuring system of the present invention；
Fig. 2 is the stimulation of the electromyogram evoked potentuial measuring system of the present invention, wave recording figure；
Fig. 3 is the circuit theory diagrams of the preposition head unit of the signal processor of the present invention；
Fig. 4 is the circuit theory diagrams of the rear end amplifying unit of the signal processor of the present invention；
Fig. 5 is the circuit theory diagrams of the insulating power supply of the present invention.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, with reference to being specifically illustrating, the present invention is expanded on further.
Embodiment
As shown in Figure 1, the electromyogram evoked potentuial measuring system of the present invention, it includes master controller 100, signal processor 200 and pilot controller 300, master controller 100 is connected with pilot controller 300 and carries out data interaction, signal processor 200 is connected with master controller 100, master controller 100 is also associated with stimulator 400 and insulating power supply 500, and pilot controller 300 is also associated with operator 600, and operator 600 includes function keyboard and floor push.
Pilot controller 300 is also associated with output equipment 700, and output equipment 700 includes display and printer.
Master controller 100 is responsible for carrying out human body the stimulation of various types of signal, and carries out data interaction with pilot controller 300.Signal processor 200 is acquired to human body signal, amplifies, filtered, it is desirable to high antijamming capability.Pilot controller 300 is the computer assembled using industrial control mainboard oneself, pre-installs windows systems.Stimulator 400 is by the phase place changes of two group pulse signals, to adjust the current strength, intensity of sound, flash intensity of stimulation.Insulating power supply 500 is carried out outside network source after primary insulation, and whole system is powered.Dielectric strength reaches reinforced insulation, pressure-resistant 4000V.Operator 600 is to facilitate doctor to operate equipment.
As shown in Fig. 2 be all the stimulation for needing to give patient's certain forms when the electromyogram evoked potentuial measuring system of the present invention check diagnosis,（Electro photoluminescence, Sound stimulat, light stimulus, image stimulation, Neural stem cell etc.）, then while stimulating, the record of human body signal is carried out by surface electrode or pin electrode.Doctor carries out diagnosing qualitative, positioning according to the waveform of record to patient's state of an illness.
Fig. 2 is one group of most common stimulation periphery median nerve, records stimulation in the short diductor muscle of nurse, wave recording figure.
The human body signal scope that the electromyogram evoked potentuial measuring system of the present invention is recorded is compared much larger compared with electrocardio, brain electricity, signal accuracy is also much higher, the also big hundreds of times of frequency band range, the signal amplitude scope 0.01uV -100mV of record, signal frequency range is in 0.01Hz-20kHz.These characteristics of electromyographic signal propose very high requirement to signal processor 200.Signal processor 200 needs accurately collect these signals, can filter out other interference signals within so wide frequency band range again, this is the key point of electromyogram instrument core technology.
As shown in Figure 3 and Figure 4, signal processor 200 includes preposition head unit and rear end amplifying unit, preposition head unit includes radio frequency filter circuit 201, shield guard circuit 202, testing impedance circuit 203 and differential amplifier circuit 204, radio frequency filter circuit 201 connects shield guard circuit 202, testing impedance circuit 203 and differential amplifier circuit 204 respectively, and differential amplifier circuit 204 is connected with shield guard circuit 202 and testing impedance circuit 203 respectively.
In the present embodiment, radio frequency filter circuit 201 is using common-mode filter serial TDK ZJYS, the MAX4252 low-noise amplifiers for the MAXIM companies that shield guard circuit 202 is used, the CD4053 electronic switches for the National Semi companies that testing impedance circuit 203 is used, differential amplifier circuit 204 uses the INA121 of BURR-BROWN companies, and MAXIM companies MAX4477.
Rear end amplifying unit includes high-pass filtering and main amplifying circuit 205, control and float power circuit 206 and end filtering and earthing power supply circuit 207, high-pass filtering and main amplifying circuit 205 are connected with control and float power circuit 206, and end filtering and earthing power supply circuit 207 are connected with high-pass filtering and main amplifying circuit 205 and control and float power circuit 206 respectively.
In the present embodiment, high-pass filtering and main amplifying circuit 205 use the second order Butterworth filter of main flow, amplifier chip therein uses the MAX4230 of MAXIM companies, and Texas Instrument TLC2264, control and float power circuit 206 use the CD4094 shift registers of FAIRCHILD companies, power supply control chip uses the MAX256 of MAXIM companies, end filter and earthing power supply circuit 207 using Texas Instrument companies TLV2372, TLC2262, and Analog Device companies AD7685.
End is filtered and earthing power supply circuit 207 is connected by electrical isolation with high-pass filtering and main amplifying circuit 205 and control and float power circuit 206 respectively, and the creep age distance of electrical isolation is more than 8mm.
The front end applications part of signal processor 200（There is the part of electrical connection with patient）After amplifying after filtering, isolated with optocoupler, isolation level is reinforced insulation（Pressure-resistant 4000V）, it is ensured that patient safety, and can be with filtering interference signals.
The power supply supply of electrical isolation uses the one coil transformer of oneself special coiling so that the coupled capacitor at isolation two ends is minimized, and increases the ability of filtering interference signals.
As shown in Figure 5, insulating power supply 500 includes ground connection control and earthing power supply circuit 501, current control circuit 502 and DC/DC translation circuits 503, ground connection control and earthing power supply circuit 501 are connected with current control circuit 502, and current control circuit 502 is connected with DC/DC translation circuits 503.
In the present embodiment, the MAX13256 for the MAXIM companies that ground connection control and earthing power supply circuit 501 are used, current control circuit 502 is using Texas Instrument TL062, the L431 of ANPEC companies, the UCC3808 for the Texas Instrument that DC/DC translation circuits 503 are used.
Ground connection control and earthing power supply circuit 501 are connected by electrical isolation with current control circuit 502, and the creep age distance of electrical isolation is more than 8mm.
Insulating power supply 500 carries out electro photoluminescence using constant current ource electric current 0-100mA to patient; frequency of stimulation 0-100Hz is adjustable; precision is 0.1Hz; it is that 0-1ms is adjustable to stimulate width; precision is 0.1ms, and electro photoluminescence uses special current foldback circuit so that electro photoluminescence is when breaking down; it can automatically shut down, it is to avoid cause electric shock to patient.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.It should be understood by those skilled in the art that; the present invention is not limited to the above embodiments; merely illustrating the principles of the invention described in above-described embodiment and specification; without departing from the spirit and scope of the present invention; various changes and modifications of the present invention are possible; these changes and improvements all fall within the protetion scope of the claimed invention, and the scope of the present invention is defined by the appended claims and its equivalents.
Claims (8)
1. a kind of electromyogram evoked potentuial measuring system, it is characterized in that, it includes the master controller that various types of signal stimulation is carried out to human body, human body signal is acquired, amplification and the signal processor and pilot controller of filtering, master controller is connected with pilot controller and carries out data interaction, signal processor is connected with master controller, master controller is also associated with changing by two group pulse signal phases adjusting the current strength of stimulation, the stimulator of intensity of sound and flash intensity and the insulating power supply being powered to equipment, pilot controller is also associated with the operator for being easy to operate equipment.
2. electromyogram evoked potentuial measuring system as claimed in claim 1, it is characterized in that, signal processor includes preposition head unit and rear end amplifying unit, preposition head unit includes radio frequency filter circuit, shield guard circuit, testing impedance circuit and differential amplifier circuit, radio frequency filter circuit connects shield guard circuit, testing impedance circuit and differential amplifier circuit respectively, and differential amplifier circuit is connected with shield guard circuit and testing impedance circuit respectively.
3. electromyogram evoked potentuial measuring system as claimed in claim 2, it is characterized in that, rear end amplifying unit includes high-pass filtering and main amplifying circuit, control and float power circuit and end filtering and earthing power supply circuit, high-pass filtering and main amplifying circuit are connected with control and float power circuit, and end filtering and earthing power supply circuit are connected with high-pass filtering and main amplifying circuit and control and float power circuit respectively.
4. electromyogram evoked potentuial measuring system as claimed in claim 3, it is characterised in that end is filtered and earthing power supply circuit is connected by electrical isolation with high-pass filtering and main amplifying circuit and control and float power circuit respectively, the creep age distance of electrical isolation is more than 8mm.
5. electromyogram evoked potentuial measuring system as claimed in claim 1, it is characterized in that, insulating power supply includes ground connection control and earthing power supply circuit, current control circuit and DC/DC translation circuits, ground connection control and earthing power supply circuit are connected with current control circuit, and current control circuit is connected with DC/DC translation circuits.
6. electromyogram evoked potentuial measuring system as claimed in claim 5, it is characterised in that ground connection control and earthing power supply circuit are connected by electrical isolation with current control circuit, the creep age distance of electrical isolation is more than 8mm.
7. electromyogram evoked potentuial measuring system as claimed in claim 1, it is characterised in that pilot controller is also associated with output equipment, output equipment includes display and printer.
8. electromyogram evoked potentuial measuring system as claimed in claim 1, it is characterised in that operator includes function keyboard and floor push.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610185716.2A CN107233094A (en) | 2016-03-29 | 2016-03-29 | A kind of electromyogram evoked potentuial measuring system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610185716.2A CN107233094A (en) | 2016-03-29 | 2016-03-29 | A kind of electromyogram evoked potentuial measuring system |
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| CN107233094A true CN107233094A (en) | 2017-10-10 |
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| CN201610185716.2A Pending CN107233094A (en) | 2016-03-29 | 2016-03-29 | A kind of electromyogram evoked potentuial measuring system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108143414A (en) * | 2018-01-11 | 2018-06-12 | 福州大学 | It is a kind of it is adaptive filter out surface electromyogram signal electro photoluminescence artefact in line method |
| CN109288521A (en) * | 2018-09-16 | 2019-02-01 | 华北理工大学 | A kind of surface myoelectric detection device applied to spine recovering system |
| CN111870812A (en) * | 2020-08-24 | 2020-11-03 | 大悦创新（苏州）医疗科技股份有限公司 | Electrical stimulation output circuit |
| CN114366130A (en) * | 2022-02-17 | 2022-04-19 | 上海电机学院 | Myoelectricity evoked potential instrument based on tremor analysis |
| CN116509424A (en) * | 2023-05-05 | 2023-08-01 | 江苏首医信息技术有限公司 | Medical data processing device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0108341A2 (en) * | 1982-11-02 | 1984-05-16 | Myo-Tronics Research, Inc. | Mandibular electromyograph |
| US20050021103A1 (en) * | 1998-08-05 | 2005-01-27 | Dilorenzo Daniel John | Apparatus and method for closed-loop intracranial stimulation for optimal control of neurological disease |
| CN201404215Y (en) * | 2009-05-26 | 2010-02-17 | 武汉依瑞德医疗设备新技术有限公司 | Portable minitype electromyography evoked potential instrument |
| CN203220359U (en) * | 2013-05-06 | 2013-10-02 | 上海海神医疗电子仪器有限公司 | Electromyography induced potentiometer |
| CN103349549A (en) * | 2013-07-23 | 2013-10-16 | 上海海神医疗电子仪器有限公司 | Threefold isolation anti-jamming circuit used for electromyogram evoked potential equipment |
| CN104799854A (en) * | 2015-04-29 | 2015-07-29 | 深圳大学 | Surface myoelectricity acquisition device and myoelectricity signal processing method thereof |
| CN205913346U (en) * | 2016-03-29 | 2017-02-01 | 上海海神医疗电子仪器有限公司 | Electromyogram and cerebral evoked potentials |
-
2016
- 2016-03-29 CN CN201610185716.2A patent/CN107233094A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0108341A2 (en) * | 1982-11-02 | 1984-05-16 | Myo-Tronics Research, Inc. | Mandibular electromyograph |
| US20050021103A1 (en) * | 1998-08-05 | 2005-01-27 | Dilorenzo Daniel John | Apparatus and method for closed-loop intracranial stimulation for optimal control of neurological disease |
| CN201404215Y (en) * | 2009-05-26 | 2010-02-17 | 武汉依瑞德医疗设备新技术有限公司 | Portable minitype electromyography evoked potential instrument |
| CN203220359U (en) * | 2013-05-06 | 2013-10-02 | 上海海神医疗电子仪器有限公司 | Electromyography induced potentiometer |
| CN103349549A (en) * | 2013-07-23 | 2013-10-16 | 上海海神医疗电子仪器有限公司 | Threefold isolation anti-jamming circuit used for electromyogram evoked potential equipment |
| CN104799854A (en) * | 2015-04-29 | 2015-07-29 | 深圳大学 | Surface myoelectricity acquisition device and myoelectricity signal processing method thereof |
| CN205913346U (en) * | 2016-03-29 | 2017-02-01 | 上海海神医疗电子仪器有限公司 | Electromyogram and cerebral evoked potentials |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108143414A (en) * | 2018-01-11 | 2018-06-12 | 福州大学 | It is a kind of it is adaptive filter out surface electromyogram signal electro photoluminescence artefact in line method |
| CN109288521A (en) * | 2018-09-16 | 2019-02-01 | 华北理工大学 | A kind of surface myoelectric detection device applied to spine recovering system |
| CN109288521B (en) * | 2018-09-16 | 2021-06-15 | 华北理工大学 | Surface myoelectricity detection device applied to spinal rehabilitation system |
| CN111870812A (en) * | 2020-08-24 | 2020-11-03 | 大悦创新（苏州）医疗科技股份有限公司 | Electrical stimulation output circuit |
| CN111870812B (en) * | 2020-08-24 | 2024-04-02 | 大悦创新（苏州）医疗科技股份有限公司 | Electrical stimulation output circuit |
| CN114366130A (en) * | 2022-02-17 | 2022-04-19 | 上海电机学院 | Myoelectricity evoked potential instrument based on tremor analysis |
| CN116509424A (en) * | 2023-05-05 | 2023-08-01 | 江苏首医信息技术有限公司 | Medical data processing device |
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