ventricular needle

例句：

1. 1. The ventricular needle was inserted into the patient's heart to monitor his blood pressure.
   心室针被插入患者心脏以监测他的血压。
2. 2. During surgery, a ventricular needle is used to inject medication directly into the heart.
   在手术期间，使用心室针直接将药物注射到心脏中。
3. 3. The ventricular needle was removed after the procedure to prevent complications.
   在手术结束后，取出了心室针以防止并发症的发生。