lumbar anesthesia needle

例句：

1. 1.The doctor used a lumbar anesthesia needle to numb the patient's back.
   医生使用腰椎麻醉针来麻木病人的背部。
2. 2. During the operation, the surgeon inserted a lumbar anesthesia needle into the patient's back.
   手术期间，外科医生将一根腰椎麻醉针插入病人的背部。
3. 3.The patient was given a lumbar anesthesia needle for postoperative pain management.
   患者被给予一根腰椎麻醉针用于术后疼痛管理。