orthosis

例句：

1. 1. The orthopedic specialist advised the patient to avoid heavy lifting for a few weeks.
   这位骨科专家建议患者在接下来的几周内避免重举。
2. 2. The orthopedic device helped correct the patient's posture and alleviate his back pain.
   这个矫形器具纠正了患者的体态，缓解了他的背痛。
3. 3.The orthopedic appliance was designed to support the injured knee joint and prevent further damage.
   这个矫形器具被设计用来支撑受伤的膝关节，防止进一步的伤害。