nerve canal

例句：

1. 1. The doctor inserteda nerve canal into the patient's leg to relieve pain.
   医生在病人的腿上插入了一个神经导管以缓解疼痛。
2. 2. The surgeon carefully removed the nerve canal to prevent infection.
   外科医生小心翼翼地移除了神经导管以防止感染。
3. 3. Thepatient was given medication througha nerve canal to treathis condition.
   患者通过一个神经导管接受药物治疗他的病情。