arm stretcher

例句：

1. 1.The doctor used an arm stretcher to help him get up.
   医生使用了一个手臂支架来帮助他站起来。
2. 2. He was in a wheelchair, but his wife helped him with his arm stretcher.
   他坐在轮椅上，但他的妻子帮助他使用手臂支架。
3. 3. The patient needed extra support while he was recovering from surgery.
   患者在康复期间需要额外的支持。