RESUMEN
A 3D printing based wrist orthosis device was developed. After collecting the contour information of the carpal and metacarpophalangeal joints of the patients with a 3D scanner, the wrist orthotics were designed to meet the individual needs of the patients according to the relevant requirements of biomechanics. Choose TPU (thermoplastic polyurethanes) materials for preparation of 3D printing. It can functionally assist the smart brace after stroke patients with hemiplegia early rehabilitation training, the use of orthoses carry MPU6050 inertial sensor, magnetometer, time module device such as a sensor and monitor its movements and record the training time, ensure safe efficient rehabilitation training, help patients return to a normal life as soon as possible.