Toward a hybrid exoskeleton for crouch gait in children with cerebral palsy: neuromuscular electrical stimulation for improved knee extension

摘要

The custom-designed digitally-controlled surface NMES system. a custom printed circuit board (PCB) wiring schematic and b printed board that houses a Teensy 3.2 microcontroller, a system of 21 Omron Electronic Components G6L-1P-DC3 SPST-NO electromechanical relays, and inputs for a LiPo battery and external digital input signals, with scale bar for reference. c schematic of the NMES system and d wired system prototype. e a 3D model of the custom protective case and f the enclosed system used for this study