Portmann基于梅尼埃病类似“内耳青光眼”内耳压力增高这个观点而首次创用内淋巴囊分流术,在内淋巴囊上做一切口,释放过多的内淋巴液到乳突腔。然而,由于担心切口会在术后关闭,人们试图通过插入各种可塑性材料如聚四氟乙烯薄膜(作为压力感受瓣)和扇型折叠的硅化橡胶片来维持长 Portmann first developed endolymphatic sac shunting based on the view that Meniere’s disease resembles the increased pressure on the inner ear of glaucoma in the inner ear, making an incision in the endolymphatic sac that releases excess endolymphatic fluid into the mastoid cavity. However, due to concerns about incision closure after surgery, one attempts to maintain the length by inserting various plastic materials such as Teflon film (as a pressure-sensitive flap) and fan-folded silicone rubber sheets