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胆脂瘤性中耳炎的关闭式手术必需解决通气问题。凡胆脂瘤性中耳炎,中耳的通气都不好,手术后有11％引起鼓膜的收缩囊袋和复发性胆脂瘤,20％引起鼓膜下陷和粘膜炎症,而且常有粘液分泌,为了解决通气,作者的方法是用硅片维持鼓室气腔,当鼓膜的紧张部是完整时,可在手术结束时通过上鼓室外侧壁放一引流管。通过上鼓室的引流,其骨性通气口可用电钻磨开,位置尽可能在上鼓室前方,这样,引流管的内端就有可能靠在深处的骨壁上,从而得到较好的固定位置,方向与锤骨头垂直,外
Closed cholesteatoma otitis media surgery must solve the ventilation problem. Where cholesteatoma otitis media, the middle ear ventilation is not good, after surgery, 11% of the tympanic membrane capsular bag and recurrent cholesteatoma, 20% cause tympanic membrane sag and mucosal inflammation, and often mucus secretion, in order to solve Ventilation, the author's method is to use silicon to maintain the tympanic cavity, when the tension zone of the tympanic membrane is complete, you can put a drainage tube through the outer wall of the upper drum chamber at the end of the operation. Through the upper tympanic drainage, the bony vent can be grinded with a drill, the location as far as possible in front of the upper drum, so that the inner end of the drainage tube may be on the deep bone wall, so as to get a better fixed position , The direction perpendicular to the malleus, outside