1.The position in the deep surface of the digastric muscle is the hightest position for cuting the accessory nerve.
二腹肌腹深面为高位结扎切断副神经点,若再向易静脉。
2.The equipment is welded by thicken material .Break rigid material ia hight efficiency ,indeformable ,little moise .The dynamic nose of tool is knocked-down .It is easy to rubbing when it is dull.