Effects of 3D Printing Writing Assisitive Device on Feasibility in Patients With Nerve Injury

Briefly explain how to wear assistive devices, confirm that the case understands how to operate, and conduct a writing task test. Situation includes no wearable assistive device,three pen placement designs with different angles (5 degrees, 20 degrees, and 30 degrees). Record the writing speed, legibility, posture, and satisfaction of the assistive device after each writing task, etc.