鼻窦内窥镜术后2—3天对术腔换药冲洗,以达到清理术腔、防止结痂和冲洗分泌物的目的。以往用针管抽液连接弯头冲洗,操作复杂。我科现用一次性输液器插入液体内。如常规输液一样排好气,因无菌剪刀剪去过滤网以下部分,然后让病人仰头,找到中鼻甲将一次 2-3 days after sinus surgery to the surgical cavity dressing rinse, to clear the surgical cavity, to prevent scab and flush secretions purposes. In the past pipette connected elbow flushing, the operation is complicated. Our department now uses disposable infusion sets to insert fluids. As regular infusion of the same row of gas, sterile scissors cut off the following part of the filter, and then let the patient look up, find the middle turbinate will be once