orthosis
/ɔːˈθəʊsɪs/noun
(pl. orthoses /-siːz/)
- Medicine a brace, splint, or other artificial external device serving to support the limbs or spine or to prevent or assist relative movement【医】夹板; 整直支持器; 矫正具。
词源
1950s: from Greek orthōsis 'making straight', from orthoun 'set straight'.