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Array type surface electromyography image collector and collection method

An image collector and array technology, which is used in sensors, medical science, diagnostic recording/measurement, etc., can solve the problems of insufficient density of electrode detection points and inability to analyze the cooperative relationship of multiple muscle groups, so as to facilitate processing and overcome pain. , the effect of strong correlation of data

Active Publication Date: 2015-08-19
ZHEJIANG DINO MEDICAL TECH CO LTD
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AI Technical Summary

Problems solved by technology

Due to the crosstalk phenomenon of EMG signals, the collected signals cannot analyze the collaborative relationship between multiple muscle groups, and because the density of electrode detection points is not fine enough, it cannot be used for higher-level graphics research

Method used

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  • Array type surface electromyography image collector and collection method
  • Array type surface electromyography image collector and collection method
  • Array type surface electromyography image collector and collection method

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Embodiment Construction

[0041] Below, the present invention will be further described in conjunction with the accompanying drawings and specific embodiments.

[0042] like figure 1 and figure 2 As shown, the array type myoelectric image acquisition device of the present invention includes one 16-channel array electrode, two analog filter amplifier circuits, two A / D conversion modules, one data processing module and one power supply module.

[0043] Data processing module 101: mainly includes an MCU (U7) for controlling data transmission and data processing. like image 3 As shown, the 49th pin (SPI0_PCS0), the 50th pin (SPI0_SCK), the 51st pin (SPI0_MOSI), and the 52nd pin (SPI0_MISO) of the MCU are the SPI0 interface of the MCU, and the A / D conversion modules 201-1, 201-2 It is connected to the SPI interface of the A / D converter in it and works in master mode, which is used to send commands and receive data to the A / D converter. The 49th pin is connected to the 39th pin of the A / D converter, th...

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Abstract

The invention discloses an array surface myoelectric image collector based on an array electrode and a collecting method. The array surface myoelectric image collector comprises the one 16-channel array electrode, one reference electrode module, two simulation filter and amplification modules, two A / D conversion module, one data processing module and one power module. When the array surface myoelectric image collector is used, sixteen input signals are collected by the 16-channel array electrode, differential amplification and filtering are carried out by sixteen simulation filter and amplification circuits, the input signals are converted into digital signals through the two A / D conversion models, and two A / D converters race to control an SPI bus to transmit data to an MCU for processing. According to the array surface myoelectric image collector, myoelectric signals of sixteen channels can be collected, processed and transmitted at a high speed at the same time, the number of the channels can be increased when a plurality of collectors are used in a parallel connection mode, and a myoelectric image is obtained. Pains, caused by an iEMG, of people are avoided, and the myoelectric image sequence that muscle groups complete a certain motion in a cooperated mode can be further obtained.

Description

technical field [0001] The invention belongs to the field of human body surface electromyography signal acquisition equipment manufacturing, in particular to an array type surface electromyography image collector and acquisition method. Background technique [0002] Electromyography (Electromyography, EMG) is the application of electronic instruments to record the electrical activity of muscles at rest or contraction. The action potential propagation process on a muscle fiber forms a single fiber action unit (Single Fiber Action Potential, SFAP); the comprehensive superposition of all SFAPs in a motor unit in time and space forms a motor unit action potential (Motor Unit Action Potential, MUAP) ), the continuous firing process of the motor unit generates a motor unit action potential sequence (Motor Unit Action Potential train, MUAPt); when the muscle is active, the MUAPt formed by multiple motor units participating in the muscle activity passes through the muscle, subcutane...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B5/0488A61B5/0492A61B5/296
Inventor 金文光李益栋林上耀胡也
Owner ZHEJIANG DINO MEDICAL TECH CO LTD
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