CN109044330A - A kind of electrocardio based on single armed, surface myoelectric and Inertia information Collect jointly device - Google Patents
A kind of electrocardio based on single armed, surface myoelectric and Inertia information Collect jointly device Download PDFInfo
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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
- A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
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- A—HUMAN NECESSITIES
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- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Measuring devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor or mobility of a limb
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- 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
- A61B5/25—Bioelectric electrodes therefor
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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
- A61B5/25—Bioelectric electrodes therefor
- A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
- A61B5/296—Bioelectric electrodes therefor specially adapted for particular uses for electromyography [EMG]
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- A61B5/00—Measuring for diagnostic purposes; Identification of persons
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- A61B5/316—Modalities, i.e. specific diagnostic methods
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- 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]
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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
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7203—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal
- A61B5/7207—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal of noise induced by motion artifacts
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Abstract
本发明公开了一种基于单臂的心电、表面肌电和惯性信息联合采集装置，包括肌电采集模块、心电采集模块、惯性测量模块、处理系统、数据存储模块和电源模块；心电采集模块和肌电采集模块分别采集单臂的心电和表面肌电信号，并进行滤波和放大，再输送至处理系统；惯性测量模块被配置为采集单臂多自由度惯性信息，并输送至处理系统；处理系统被配置为基于所述多自由度惯性信息数据，自适应调整处理参数，二次处理肌电和心电信号，并将处理结果存储在数据存储模块；电源模块被配置为装置提供能量。本发明体积小巧、固定方便、测量快捷，能够高可靠地采集心电和单臂表面肌电信号，特别适用于残疾人或患者和运动状态下等非常态场景的信号采集。
The invention discloses a combined collection device of electrocardiogram, surface electromyography and inertial information based on a single arm, comprising a electromyography collection module, an electrocardiogram collection module, an inertial measurement module, a processing system, a data storage module and a power supply module; The acquisition module and the myoelectric acquisition module respectively collect the ECG and surface electromyography signals of a single arm, filter and amplify them, and then send them to the processing system; the inertial measurement module is configured to collect the multi-degree-of-freedom inertial information of a single arm, and send them to the A processing system; the processing system is configured to adaptively adjust processing parameters based on the multi-degree-of-freedom inertial information data, secondary process myoelectric and electrocardiographic signals, and store the processing results in a data storage module; the power module is configured as a device provide energy. The invention is small in size, convenient to fix, quick in measurement, capable of collecting electrocardiogram and surface electromyography signals of a single arm with high reliability, and is especially suitable for signal collection of abnormal scenes such as disabled persons or patients and motion states.
Description
Technical field
The present invention relates to medical instruments field more particularly to a kind of electrocardios based on single armed, surface myoelectric and Inertia information
Collect jointly device.
Background technique
Electric signal surface electromyogram signal sEMG (surface ElectroMyoGraphy) adjoint when being contraction of muscle, can
To be interpreted as synthesis of the electric signal of muti-piece muscle generation on human body surface time and space, muscle is embodied to nerve impulse
Response, reflect the functional status of nerves and muscles, be a kind of important information in body surface Non-invasive detection muscle activity.sEMG
Signal is widely used in muscular movement, muscle damage diagnosis, medical science of recovery therapy and movement sport etc..In addition, normal people
Systemic heart, what is presented in vital movement is by regularity, characteristic ecg curve, and heart structural disease becomes and functionality changes
Become, it is inevitable to be changed on electrocardiosignal, show the ecg curve of morbid state.Therefore, routine observation electrocardiosignal, to disease
Prevention and diagnosis have important clinical meaning.
Surface electromyogram signal and electrocardiosignal representative value are generally 1mV.And contain from skin surface there are many noise jamming, such as
Hz noise, signal tend to reach 1V even higher.Therefore it must be filtered and amplify etc. and handled.Existing technology
Means are that first hardware is amplified and is filtered to the surface electromyogram signal and electrocardiosignal of acquisition, and then via controller is pressed
Sampling and AD conversion are carried out according to the sample frequency of setting, then carries out software filtering and amplification from algorithm by preset parameter.This side
Formula carries out software filtering and amplified signal by fixed parameter, does not consider the variation feelings of signal under individual difference and motion state
Condition.Disabled person or patient, signal difference are larger with normal person；Prior art means do not reduce noise signal from source.In addition,
Existing electrocardiogram signal acquisition device is commonly equipped with multiple electrocardioelectrodes, is fixed on four limbs and thoracic cavity position, and measuring process is more numerous
It is trivial.
Therefore, those skilled in the art is dedicated to developing a kind of electrocardio based on single armed, surface myoelectric and Inertia information
Collect jointly device, can Quick Acquisition, adaptive different human body difference and motion state, and high-fidelity, highly reliably acquire the heart
Electricity and single armed electromyography signal.
Summary of the invention
In view of the above drawbacks of the prior art, the technical problem to be solved by the present invention is to develop one kind high to protect
Very, adaptively the portable electrocardio based on single armed of different human body difference and motion state, surface myoelectric and Inertia information join
Close acquisition device.
To achieve the above object, the present invention provides a kind of electrocardio based on single armed, surface myoelectric and Inertia information joints
Acquisition device, including myoelectricity acquisition module, electrocardiogram acquisition module, inertia measuring module, processing system, data memory module and electricity
Source module；The myoelectricity acquisition module is configured as acquisition single armed surface electromyogram signal, and filters and be delivered to after amplifying described
Processing system；The electrocardiogram acquisition module is configured as acquisition electrocardiosignal, and filters and be delivered to the processing system after amplifying
System；The inertia measuring module is configured as acquiring more single armed freedom degree Inertia informations, and is delivered to the processing system；It is described
Processing system is configured as based on the multiple degrees of freedom Inertia information data, adaptively adjusts processing parameter, described in secondary treatment
The signal of myoelectricity acquisition module and electrocardiogram acquisition module conveying, and processing result is stored in the data memory module；
The power module is configured as the processing system, the inertia measuring module, the myoelectricity acquisition module and the myoelectricity
Acquisition module provides energy.
Further, the myoelectricity acquisition module is configured at least one；Each myoelectricity acquisition module includes two differences
Divide electromyographic electrode, the single or multiple myoelectricity acquisition modules share a reference electrode.
Further, the difference electromyographic electrode and the reference electrode are 0.5cm2~1cm2Circular gold-plated copper sheet.
Further, the difference electromyographic electrode of the myoelectricity acquisition module and reference electrode insertion electromagnetic shielding
Bracket.
Further, the inertia measuring module is nine axis Inertial Measurement Units, is configured as acquisition 3-axis acceleration, three
Shaft angle acceleration and three axle magnetometer information.
Further, the processing system is based on the multiple degrees of freedom Inertia information, adaptively adjusts secondary amplification and two
The root-mean-square value of secondary filtering parameter, surface myoelectric and electrocardiosignal after making secondary treatment maintains 1.0V~1.5V.
Further, the electrode of the electrocardiogram acquisition module is silver/silver chloride electrode that pressure-sensing conducting resin is laid on surface.
Further, the one-to-two patchcord that the silver electrode and the silver chloride electrode are wrapped up by electromagnetic shielding material
It is connected with the electrocardiogram acquisition module.
It further, further include wearing module, the wearing module is made of hook hair consubstantiality velcro and elastic velcro.
Further, the power supply of the power module is chargeable lithium battery, and can be connect by the mini USB of smart phone
Mouth line charges to the chargeable lithium battery.
Compared to the prior art, the invention has the following beneficial effects:
(1) it is based on single arm measurement surface myoelectric and electrocardiosignal, it is convenient and efficient；
(2) fusion Inertia information and surface myoelectric, ecg signal acquiring, may be implemented signal extraction adaptive threshold tune
It is whole, the error and noise of single armed ecg signal acquiring are effectively eliminated, and can be reduced the shadow of the garbage signals such as movement and individual difference
It rings；
(3) acquisition electrode and transmission line are wrapped up using electromagnetic shielding material, and fixed acquisition electrode position further improves
The stability and quality of signal acquisition；
(4) cooperation of elastic velcro and hook hair consubstantiality velcro and circumscribed acquisition electrode, significant increase module are worn
Wear flexibility and comfort.
It is described further below with reference to technical effect of the attached drawing to design of the invention, specific structure and generation, with
It is fully understood from the purpose of the present invention, feature and effect.
Detailed description of the invention
Fig. 1 is a kind of electrocardio based on single armed, surface myoelectric and the Inertia information connection of a preferred embodiment of the invention
Close acquisition device system construction drawing；
Fig. 2 is a kind of electrocardio based on single armed, surface myoelectric and the Inertia information of another preferred embodiment of the invention
Collect jointly device signal two-stage treatment flow chart；
Fig. 3 is a kind of electrocardio based on single armed, surface myoelectric and the Inertia information of another preferred embodiment of the invention
Collect jointly schematic device；
Fig. 4 is a kind of electrocardio based on single armed, surface myoelectric and the Inertia information of another preferred embodiment of the invention
The wearable partial shell module diagram of Collect jointly device；
Fig. 5 is a kind of electrocardio based on single armed, surface myoelectric and the Inertia information of another preferred embodiment of the invention
The wearable partial shell inside modules structural schematic diagram of Collect jointly device；
Fig. 6 is a kind of electrocardio based on single armed, surface myoelectric and the Inertia information of another preferred embodiment of the invention
Collect jointly system structure of device figure.
Wherein, 1- myoelectricity acquisition module, 2- electrocardiogram acquisition module, 3- inertia measuring module, 4- connecting line, 5- power supply mould
Block, 6- communication module, 7- man-machine interface, 8- electrocardiogram acquisition electrode, 9- one-to-two connecting line, 10- elasticity velcro, 11- can be worn
Partial shell module is worn, 12- housing module top cover, 13- hardware module, 14- housing module bottom case, 15- is top cover positioning pin,
16- magic tape structure hole, 17- myoelectricity acquisition electrode, 18- reference electrode, 110- hook hair consubstantiality velcro, and 130-mini USB connects
Mouthful, 131- electrocardiac channel interface, 132- top plate, 133- lithium battery, 134- bottom plate, 135- system master switch.
Specific embodiment
Multiple preferred embodiments of the invention are introduced below with reference to Figure of description, keep its technology contents more clear and just
In understanding.The present invention can be emerged from by many various forms of embodiments, and protection scope of the present invention not only limits
The embodiment that Yu Wenzhong is mentioned.
In the accompanying drawings, the identical component of structure is indicated with same numbers label, everywhere the similar component of structure or function with
Like numeral label indicates.The size and thickness of each component shown in the drawings are to be arbitrarily shown, and there is no limit by the present invention
The size and thickness of each component.Apparent in order to make to illustrate, some places suitably exaggerate the thickness of component in attached drawing.
Embodiment one
It is as shown in Figure 1 the system construction drawing of a preferred embodiment of the invention.A kind of electrocardio based on single armed, surface
Myoelectricity and Inertia information Collect jointly device, including myoelectricity acquisition module 1, electrocardiogram acquisition module 2, inertia measuring module 3, processing
System 4, data memory module and power module 5.Myoelectricity acquisition module 1 is configured as acquisition single armed surface electromyogram signal, through filtering
Processing system 4 is delivered to after wave and amplification；Electrocardiogram acquisition module 2 is configured as acquisition electrocardiosignal, defeated after filtering and amplification
It send to processing system 4；Inertia measuring module 3 is configured as acquisition single armed multiple degrees of freedom Inertia information, and is delivered to processing system
4；Processing system 4 is configured as adaptively adjusting processing parameter, secondary treatment myoelectricity based on the multiple degrees of freedom Inertia information
The signal that acquisition module 1 and electrocardiogram acquisition module 2 convey, and processing result is stored in the data memory module；Power supply mould
Block 5 is configured as myoelectricity acquisition module 1, electrocardiogram acquisition module 2, inertia measuring module 3 and processing system 4 and provides power supply.
Surface electromyogram signal and electrocardiosignal itself are that harmonic wave enriches, changes slow small-signal.Studies have shown that surface
Electromyography signal and electrocardiosignal typical case's root-mean-square value are generally 1mV~2mV, and the useful frequency range of surface electromyogram signal is in 0~500Hz
Between, the useful frequency range of electrocardiosignal is in 0.05~500Hz.And the intrinsic electronic noise of acquisition device in human body, especially I
The 50Hz Hz noise of state's power grid can generate large effect to the accurate acquisition of electrocardiosignal and surface electromyogram signal.But
These interference signals show as common-mode signal in the input terminal of amplifier.Therefore, inhibit amplifying circuit to common mode using difference
Signal is filtered out, and useful signal is simultaneously amplified.But the single-stage amplifying circuit for crossing high-gain easily causes amplifier saturation and draws
The loss for playing useful signal, cannot reach the actual requirement of surface electromyogram signal and ECG signal sampling.And multistage amplifier circuit
Direct-coupling can introduce new noise, so that sampled signal needle position misalignment.Preferably, using two-stage enhanced processing, level-one amplification
Using the difference wiring amplifier low, noise is low, common-mode rejection ratio is high that drifts about, to eliminate the interference of common-mode signal；Two stage treatment
After the progress analog-to-digital conversion isolation of processing system 4 containing AD sampling functions can be used, then amplified.
Preferably, myoelectricity acquisition module 1 is configured at least one, each myoelectricity acquisition module 1 includes two difference myoelectricity electricity
Pole 17, single or multiple myoelectricity acquisition modules 1 share a reference electrode 18.
In view of the personage of different crowd, especially physical disabilities, surface electromyogram signal often only have normal person 1/3~
1/2；And the surface electromyogram signal frequency range and amplitude under different exercise intensities also have certain variation.Electrocardiosignal has similar
Situation.To better adapt to the difference during actual signal acquisition under Different Individual and different motion state, inertia is added and surveys
3-axis acceleration information, three shaft angle acceleration informations and the three axle magnetometer information for measuring the acquisition human body of module 3 are poor to measure human body
Different and exercise intensity.
In the present embodiment, inertia measuring module 3 uses MPU9255 module.It is adopted since the magnetometer of MPU9255 module is optimal
Sample frequency is generally 75Hz or so, and the every 13ms of this example carries out one acquisition to nine axis Inertia informations.Inertia measuring module 3 passes through
I2C agreement is communicated with processing system 4, and measurement data of the processing system 4 based on inertia measuring module 3 adaptively adjusts two
Secondary amplification and secondary filtering parameter.Preferably, the root-mean-square value of treated the surface myoelectric of processing system 4 and electrocardiosignal maintains
In 1.5V.
Embodiment two
Fig. 2 show the two-stage that another preferred embodiment of the invention carries out surface myoelectric collected and electrocardiosignal
The flow diagram of signal processing.
In the present embodiment, two myoelectricity acquisition modules 1 are configured with, calculate average value, distorted signals after multimode sampling
It is smaller.The passive bandpass filters of myoelectricity acquisition module 1 and electrocardiogram acquisition module 2 be used for filter out surrounding enviroment high-frequency noise and
The low frequency signal of pseudo-motion track obtains the biggish useful signal of band energy；Processing system 4 includes AD conversion module and signal
Secondary treatment algoritic module.Wherein, signal processing secondly algoritic module includes 50Hz trapper, adaptive amplification and IIR band
Pass filter algorithm module.
To guarantee that the signal amplitude once amplified meets the minimum voltage of AD sampling, while the high frequency as far as possible in filtering environmental
Noise, it is preferable that the single armed surface electromyogram signal acquired using 1 Dui of myoelectricity acquisition module is carried out at 20~100Hz bandpass filtering
Reason, and amplify 100 times, the AD sampling module being re-fed into processing system 4；0.01 is carried out to electrocardio using electrocardiogram acquisition module 2
The bandpass filtering treatment of~100Hz, and amplify 200 times, the AD sampling module being re-fed into processing system 4；Preferably, processing system
The AD sampling of system 4 is based on differential amplification principle, the model of the amplification factor of surface electromyogram signal and electrocardiosignal to secondary treatment
It encloses, is respectively set to 4~16 times and 4~10 times.
To further decrease influence of the ambient noise to signal acquisition, it is preferable that the electrode that myoelectricity acquires 1 piece of mould is area
0.5cm2~1cm2Circular gold-plated copper sheet；The electrode of electrocardiogram acquisition module 2 is silver/silver chlorate that pressure-sensing conducting resin is laid on surface
Electrode.Since surface electromyogram signal intensity and meat fiber development degree are positively correlated, to obtain the higher letter of signal-to-noise ratio as far as possible
Number, it is preferable that two difference electromyographic electrodes are fixed in large arm bicipital muscle of arm position, and two of single myoelectricity acquisition module 1
Difference electromyographic electrode linear distance should not exceed 0.5cm.
Embodiment three
It is illustrated in figure 3 a kind of electrocardio based on single armed, surface myoelectric and the inertia of another preferred embodiment of the invention
Information consolidation acquisition device schematic diagram, further includes electrocardiogram acquisition electrode 8, one-to-two connecting line 9, and elastic velcro 10 is wearable
Partial shell module 11 hooks hair consubstantiality velcro 12.
A pair of of electrocardiogram acquisition electrode 8 is fitted close by button-shaped fit system one-to-two connecting line 9 respectively, and one-to-two connects
Contact pin in wiring 9 is connect with the electrocardiac channel interface 131 in wearable partial shell module 11.Elastic velcro 10 and hook hair
Androgynous velcro 110 is located at wearable 11 two sides of partial shell module, and passes through wearable 11 two sides of partial shell module
Magic tape structure hole 16 be fitted close therewith, saved device volume under the premise of guaranteeing safety in utilization.Elastic magic
With hook hair consubstantiality velcro 110 after equipment is worn on arm, the hook hair by hooking hair consubstantiality velcro 110 is incorporated in patch 10
Together, the use of elastic velcro 10 is adapted to more various sizes of arms, guarantees the wearable flexibility of whole equipment.
Fig. 4 is the schematic diagram of the wearable partial shell module 11 of Fig. 3.Wearable partial shell module 11 includes shell mould
Block top cover 12, hardware module 13 and housing module bottom case 14.Hardware module 13 is integrally placed on housing module bottom case 14.Shell
Module top cover 12 is cooperated by top cover positioning pin 15 and the location hole on housing module bottom case 14, by excessively cooperating, is made
It obtains housing module top cover 12 and housing module bottom case 14 is fitted close, realize the encapsulation and fixation to entire hardware module 13.
Fig. 5 be Fig. 3 wearable partial shell module 11 schematic diagram of internal structure, hardware module 13 include top plate 132,
Lithium battery 133 and bottom plate 134.Wherein, top plate 132 includes that inertia measuring module 3, processing system 4, communication module 6 and data are deposited
Store up module；Bottom plate 134 includes myoelectricity acquisition module 1, electrocardiogram acquisition module 2, mini usb 1 30, electrocardiac channel interface 131
With system master switch 135.
Top plate 132 and bottom plate 134 realize the circuit conducting of plate by row's needle of two rows 4P, the female cooperation of row.Lithium battery
133 are fixed between top plate 132 and bottom plate 134, are welded on the positive and negative anodes pad of bottom plate 134 by positive and negative lead wires.System
Master switch 135 is located at the back side of bottom plate 134, realizes and controls the on/off of entire acquisition device.
In the present embodiment, myoelectricity differential electrode 17 and reference electrode 18 use gold plated copper disk button electrode, pass through electrode
On five jiaos of pawls and bottom plate 134 it is closely coupled be combined together electromagnetic shielding bracket, and be electromagnetically shielded bracket and protrude shell mould
14 outer surface 0.5mm of block bottom case, to guarantee that myoelectricity differential electrode 17 and reference electrode 18 are preferably adjacent to skin.
In the present embodiment, to prevent power supply friendship-straight transformation from introducing the harmonic wave of 50Hz, while considering the power consumption and use of device
Time.Preferably, the power supply of power module 5 uses 3.7V lithium battery power supply, and intelligent cell phone charger can be used directly and pass through
The data line of mini USB interface charges.
In practical work process, power module 5 needs to carry out pressure stabilizing and reversion work to the voltage that 3.7V lithium battery provides.
The voltage of 3.7V is converted into the voltage of 3.3V by voltage stabilizing chip, is respectively supplied to myoelectricity acquisition module 1, electrocardiogram acquisition module 2,
Inertia measuring module 3 and processing system 4.Preferably, voltage stabilizing chip ADP3339-3.3V is selected in the present embodiment.Since myoelectricity is adopted
Amplifier built in collection module 1 and electrocardiogram acquisition module 2 also needs -3.3V voltage input, it is preferable that the present embodiment uses back-pressure
3.3V voltage is converted into -3.3V by chip TPS60403.
Example IV
Fig. 6 is a kind of electrocardio based on single armed, surface myoelectric and the Inertia information of another preferred embodiment of the invention
Collect jointly system structure of device figure.
In the present embodiment, it is visualization acquisition signal to improve calibration result and diagnostic significance, is provided with communication module 6
With man-machine interface 7.Processing system 4 sets the highest common divisor period by timer, by received multiple degrees of freedom Inertia information and two
Surface electromyogram signal, the electrocardiosignal of secondary processing carry out unified packing, are stored in the data memory module；Communication module 6 is logical
Serial port protocol is crossed, obtains data from the pin-saving chip, then be delivered to man-machine interface 7 and shown.
For further increase processing system 4 adaptive algorithm filtering and amplifying power, man-machine interface 7 is also equipped with expert
Library system and feeds back to processing system 4 with offline depth analysis processing system 4 in the processing result of the pin-saving chip；
Processing system 4 is by the register of inertia measuring module 3 come the optimal frequency of optimization module parameter, such as magnetometer.It is excellent
Selection of land, man-machine interface 7 are configured to smart phone or PC.
To avoid interference of the present device to user's limb motion behavior, it is preferable that communication module 6 is wireless telecommunications mould
Block.Further, when communication module 6 is wireless telecommunications, for the quality for guaranteeing wireless communication, it is preferable that communication module 6 is placed in
The most thin region of housing module top cover 12, and housing module top cover 12 uses the nonmetallic materials such as resin.
In the present embodiment, communication module 6 uses the bluetooth communication based on 4.2 chip NRF52832 of bluetooth, by right
The wireless data communication of the low packet loss of high quality is realized in baud rate, the configuration of the messaging parameters such as check bit；Processing system 4 uses
The low-power consumption of Msp430i2021 handles chip.
In the case where not influencing effect of the present invention, in other specific preferred embodiments of the invention, above-mentioned voltage stabilizing chip
ADP3339-3.3V, back-pressure chip TPS60403, inertia measuring module MPU9255,4.2 chip NRF52832 of bluetooth and processing system
The chips such as system Msp430i2021 could alternatively be the chip for being able to achieve function of the same race.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that the ordinary skill of this field is without wound
The property made labour, which according to the present invention can conceive, makes many modifications and variations.Therefore, all technician in the art
Pass through the available technology of logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Scheme, all should be within the scope of protection determined by the claims.
Claims (10)
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110801238A (en) * | 2019-11-20 | 2020-02-18 | 上海交通大学 | Lower limb multi-joint constant-speed training testing device |
| CN111714123A (en) * | 2020-07-22 | 2020-09-29 | 华南理工大学 | A system and method for detecting electromyographic signals on the surface of human lower back |
| US20210345932A1 (en) * | 2018-11-05 | 2021-11-11 | Helpwear Inc. | Single arm ecg monitor |
| CN113672095A (en) * | 2021-09-06 | 2021-11-19 | 上海交通大学 | Collection system fusing surface myoelectricity, A-type ultrasonic signal and IMU |
| CN115192049A (en) * | 2022-09-14 | 2022-10-18 | 深圳市心流科技有限公司 | Myoelectricity sampling frequency adjusting method of intelligent artificial limb |
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