Functional electrical stimulation device based on bipolar constant current source
By using bipolar constant current source and voltage-controlled constant current source electrical stimulation circuit in the electrical stimulation device, combined with microcontroller control, constant current output is achieved, and the problem of muscle fatigue caused by voltage instability and impedance differences in the electrical stimulation device is solved. Improves treatment effectiveness and safety.
CN222304606UActive Publication Date: 2025-01-07GUANGZHOU YIKANG MEDICAL EQUIP INDAL
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Patent Information
- Application Number
- CN202420341763.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-23
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-02-23
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Figure CN222304606U_ABST
Abstract
The utility model provides a functional electrical stimulation device based on a bipolar constant current source, which comprises a device body and a control circuit, and the control circuit comprises a switching power supply circuit, a voltage-controlled constant current source electrical stimulation circuit and a single chip microcomputer. The single-chip microcomputer is connected with the switching power supply circuit. The switching power supply circuit is used for carrying out output voltage adjustment on the PWM pulse output signal generated by the single-chip microcomputer. The voltage-controlled constant current source electrical stimulation circuit is connected with the single-chip microcomputer and the switching power supply circuit. The voltage-controlled constant current source electrical stimulation circuit is used for generating a constant current electrical stimulation signal according to PWM pulse output signals MCU PWM1 and MCU PWM2 and control signals MCU CTRL1 and MCU CTRL2 output by the single-chip microcomputer, and controlling the frequency and the pulse width of the constant current electrical stimulation signal according to modulation signals SOURCEA1 and SOURCEA2 output by the single-chip microcomputer.
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