In May 2015, a child with absence of most of the five fingers with scar formation after healing of a left hand burn wound hospitalized in our burn ward. According to the free online design program for making artificial limbs using three-dimensional printing technology on the internet, a utility artificial hand, most of which made of plastic parts, was designed for the child and printed by a three-dimensional printer. The child was instructed to wear and use the utility artificial hand, including driving the finger part of the utility artificial hand to make a grasping action by flexing the wrist joint. On the first day of using the utility artificial hand, the time the right hand and the utility artificial hand took to finish the Nine-Hole Peg Test (NHPT) was 24 and 325 s, respectively. After training, the child could grab some light and rough objects. After 3 months of follow-up, the child could use the utility artificial hand to cooperate with the upper limb of the healthy side to make the movements of picking up the basketball and keeping the balance of body on the bicycle. The time the right hand and the utility artificial hand took to finish NHPT was 21 and 193 s, respectively. The time the utility artificial hand took increased by 40.6% compared with the initial period. By assembling the three-dimensionally printed utility artificial hand, the partial appearance image of the child was restored, and some of the hand functions were compensated, which improved the self-care ability of the child in daily life and was beneficial to his physical and mental development.
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