Methods: Under different conditions, using new hypertonic saline-enhanced dual probe bipolar mode in fresh porcine, observe the dimension of radiofrequency ablationzone.
方法：在不同的条件下，在新鲜的离体猪里脊肉上进行新型双极射频消融，观察消融灶的大小形态及范围。
2
Objective: to expand coagulation zone in liver tissue by improving microwave ablation technique, so as to provide experimental evidence for clinical improvement of local efficacy.