Abstract
Conventional wire microelectrodes implant has been tried to deploy in denervated muscles or nerve tissues of patients with disabilities which result from spinal cord injury or neurological disorders. However, it is difficult to deliver designed functional electrical stimulation signals. We have developed a surgical suture inspired parylene-based wire microelectrodes implant to deploy appropriately in the denervated muscles. Compared with the other microelectrodes, the relative location between the microelectrode and the stimulating site of targeted muscle is fixed. Under the same electrical stimulation, the electromyography (EMG) magnitude of muscle which is stimulated by the surgical suture inspired wire microelectrodes implant is nearly twice as much as the others. What's more, as the relative location of the motor point and the stimulation site is fixed, the EMG decomposition results show that the activated motor units are nearly twice of the unfixed one. This approach enhances functional electrical stimulation, which is verified by the EMG responses and decomposition results in Rana catesbeiana.
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