field block anesthesia

例句：

1. 1. The patient was given a field block anesthesia for the operation.
   病人接受了场地麻醉以进行手术。
2. 2.During the surgery, the surgeon used a field block anesthesia to ensure the patient's comfort.
   在手术过程中，外科医生使用了场地麻醉来确保患者的舒适。
3. 3. The patient was moved to the recovery room after the procedure and received a field block anesthesia.
   手术完成后，患者被转移到恢复室，并接受了场地麻醉。