Objective:The aim of this study is to explore the effect of hamulotome on the eustachian tube function and verify the function of the tensor veli palatili muscle on eustachian tube.

• 目的:了解翼钩凿断和板间切开对中耳功能的影响。方法:对20只新西兰大耳白兔行翼钩凿断和板间切开后,观察腭腱膜及中耳腔粘膜的变化,以明确手术对中耳功能的影响。