A high-density electrode electrical stimulation device for multi-modal signal acquisition

Abstract

The invention discloses a high-density electrode electric stimulation device for multi-mode signal collection, which belongs to the field of medical equipment and includes a myoelectric collection / electric stimulation output circuit board, an A-ultrasound signal collection circuit board, and an FSR film force sensor signal collection circuit board. , respectively connect the high-density electrode, the A-type ultrasonic probe and the FSR film force sensor. The three circuit boards are all equipped with a main control chip circuit and configured as a master-slave working mode. The three circuit boards share the power management circuit and the communication circuit, which are arranged on one of the three circuit boards. The present invention integrates myoelectric signal acquisition, A-type ultrasonic signal acquisition, FSR film force sensor signal acquisition and electrical stimulation output at the software and hardware level, and they can work alone or in cooperation to realize multi-modal sensing and self-feedback functions Sexual electrical stimulation and other functions.

Description

technical field [0001] The invention relates to the field of medical instruments, in particular to a high-density electrode electrical stimulation device for multimodal signal acquisition. Background technique [0002] Electromyography (EMG) is a method of using electronic instruments to record the electrical activity of muscles at rest or during contraction, and to use electrical stimulation to examine nerve and muscle excitation and conduction functions. This examination can determine the functional status of peripheral nerves, neurons, neuromuscular junctions, and the muscle itself. [0003] The application of ultrasonic signal detection technology in the field of modern medicine is mainly ultrasonic diagnosis and ultrasonic treatment. Because ultrasound has the characteristics of no ionizing radiation, harmless to human body and low manufacturing cost, in the past 20 years, researchers have begun to explore and try to apply their research results to the field of human-m...

AI Technical Summary

Problems solved by technology

[0011] 1) The separation of equipment leads to a large overall volume, high price and complicated operation;

[0012] 2) The separation of equipment makes it difficult to realize self-feedback and adjustment of EMG signals and electrical stimulation signals, to evaluate the effect of electrical stimulation through EMG signals, and to realize functions such as automatic adjustment of electrical stimulation parameters through analysis of EMG signals;

[0013] 3) When the equipment is separated, the interference brought by the electrical stimulation current signal to the acquisition of the EMG signal can only be reduced by software processing, and it is difficult to optimize the signal quality at the hardware level;

[0015] 4) In the time-sharing working mode, on the one hand, the electrical stimulation signal also has some interference, and the myoelectric signal collected at the same time is missing, which is not exactly caused by the muscle contraction caused by the electrical stimulation;

[0016] 5) Exercising for a long time will cause muscle fatigue, and the quality of the EMG signal will decrease significantly. The analysis and evaluation of a single EMG signal is not reliable;

[0017] 6) The existing myoelectric stimulation integrated equipment is affected by muscle fatigue and long-term electrical stimulation leading to poor muscle response, so it is difficult to ensure long-term effective use;

[0019] 7) When high-density electrodes are used alone as acquisition electrodes or stimulation electrodes, only a few pairs of electrodes are often used, and high-density electrodes are not fully utilized.

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