1·To discuss the application of facial nerve decompression by combined posterior tympanum and epitympanum approach and to observe the outcomes.
目的应用后、上鼓室联合径路面神经减压技术治疗损伤部位在膝状神经节及近侧端的周围性面瘫患者，并观察其疗效。
2·To wash tympanum with drum washer developed by authors after the middle ear was washed cleanlily and dry, the powder of prednisone of mildew element can be spraied into the middle ear.
方法 ：应用自制鼓室冲洗器冲洗鼓室 ，干净后向鼓室内喷入制霉菌素强的松粉。