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以连续的50例鼓膜内陷袋病人为研究组，切除内降部分和将Shah微型通气管插入其余鼓膜，术后观察鼓股愈合情况并记录有无鼓膜持续穿孔和内陷袋复发。记录术前患耳鼓膜切开和插通气管次数。本组男性27例，女性23例，其中16例（男6，女10）为二例内陷，共G6耳（左32，右34）切除内
Fifty cases of patients with tympanic membrane invagination were selected as the study group. The internal descending part was resected and the Shah mini-ventilation tube was inserted into the remaining tympanic membrane. The healing of the drums was observed and the perforation of the tympanic membrane and recurrence of the retracted pouch were recorded. Record preoperative tympanic membrane incision and the number of tracheal inserted. The group of 27 males and 23 females, of which 16 (male 6, female 10) as the two cases of retraction, a total of G6 ears (left 32, right 34) resection