步行术

例句：

1. 1. The patient underwent a walking surgery to improve his mobility.
   患者接受了一次步行手术以改善他的活动能力。
2. 2. This is a surgical procedure that involves walking the patient through recovery.
   这是一种手术程序，涉及让病人在恢复期间行走。
3. 3. The doctor performed a walking surgery on the patient's knee to alleviate pain and stiffness.
   医生为患者的膝盖执行了一次步行手术，以缓解疼痛和僵硬。