鼓膜置管术常用于治疗慢性分泌性中耳炎和急性中耳炎的反复发作,减少其并发症的发生。放置通气管可使中耳与外界气压平衡,消除鼓室积液,恢复中耳功能。保持通气管通畅成为手术长期疗效好坏的关键。为评价鼓膜置管术后使用新福林滴耳预防通气管阻塞的效果,对1996年1月19日至3月3 Tympanostomy catheter commonly used in the treatment of chronic otitis media and acute otitis media recurrent and reduce the incidence of complications. Place the snorkel can make the middle ear and the outside air pressure balance, eliminate the tympanic fluid, restore the middle ear function. Maintaining the patency of ventilation has become the key to the long-term efficacy of surgery. In order to evaluate the effect of neoforipal ear prophylaxis on ventilation tube obstruction after tympanic membrane catheterization,