Abstract: The present invention relates to the field of wearable neurotherapy devices, and particularly relates to a wrist-worn nerve stimulator. The nerve stimulator is suitable for the wrist and other parts of limbs. For the nerve stimulator, a conducting medium attached to a strap not only ensures no tingling sensation during electrical stimulation therapy, but also alleviates the problem of discomfort without prejudice to the therapeutic effect, thereby reducing the difficulty of assembling the nerve stimulator and improving wearing adaptability; in addition, it can be seen from the use of a first strap and an electrical stimulation part that the wrist-worn nerve stimulator has a split structure and is composed of the first strap and the electrical stimulation part, such that the difficulty of disassembling basic frameworks for electrical stimulation therapy is significantly reduced, and it can be understood that the consumable first strap is easier to be replaced.

Abstract: The present disclosure discloses a multi-electrode miniature electrical stimulation system, including a BOOST circuit and a voltage doubling circuit; the core of the BOOST circuit is a switching power chip; a stimulation waveform control circuit includes several half-bridge drive circuits; each half-bridge drive circuit is correspondingly connected with one electrode, and any half-bridge drive circuit can output a bidirectional stimulation current; a voltage-controlled constant current source circuit includes an operational amplifier, a multi-channel analog switch and several diffusing power tubes; the operational amplifier works in a negative feedback working state.