bladder syringe

例句：

1. 1. The doctor needs to inject the medicine into the patient's bladder.
   医生需要将药物注射到患者的膀胱里。
2. 2.The nurse prepared a bladder syringe for the patient.
   护士为病人准备好了一个膀胱注射器。
3. 3. After the surgery, the patient had to use the bladder syringe to drain his urine.
   手术结束后，病人必须使用膀胱注射器来排空他的尿液。