tool for knee fixation

例句：

1. 1. The orthopedic surgeonused a tool for knee fixation tostabilize the fractured bone.
   骨科医生使用一种膝关节固定工具来稳定骨折的骨头。
2. 2.The patient was given a tool for kneefixation to help him walk again.
   患者被给予一个膝关节固定工具，以帮助他再次行走。
3. 3. The doctor explained that usinga tool for knee fixation could reducethe pain and speed up recovery.
   医生解释说，使用膝关节固定工具可以减少疼痛并加速康复。