spinal needle

例句：

1. 1. The doctor inserted a spinal needle to relieve the patient's pain.
   医生插入一根脊髓针来缓解病人的疼痛。
2. 2.The patient was given an injection of spinal needle to treat his condition.
   患者接受了一次脊髓针注射来治疗他的病情。
3. 3.The spinal needle was used to monitor the patient's vital signs during surgery.
   使用脊髓针来监测患者在手术期间的生命体征。