Circuit of frostbite treatment instrument composed of SL9711

The electronic frostbite treatment instrument uses an integrated circuit SL9711 to form an oscillation circuit, a power amplifier circuit and a controller, which generates sine waves of 100 Hz and 3 Hz. After being boosted by the transformer, the potentiometer regulates the current in the electric needle circuit. Because a diode is added to the output, the current waveform flowing through the human body is a pulsating current. When acting on the human body, motor nerves are stimulated to cause muscle tremor. After a few seconds, the sensation of numbness disappears, and the sensory and motor nerves begin to enter a state of inhibition. The pain threshold rises and exhibits an analgesic effect. Due to the pulsating current suppresses the AC nerve and causes the protein through which the current passes to undergo a slight degeneration and decomposition, it becomes a vascular active peptide The substance, therefore, after the cessation of pulsating current, still has the effect of improving local blood circulation and late analgesia. The circuit of frostbite treatment instrument composed of SL9711:
Circuit of frostbite treatment instrument composed of SL9711

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