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内耳压力外伤常发生于潜水或爆破时。作者以8只豚鼠为实验对象,为使气压不直接经外耳道传入内耳,将两外耳道用耳塞封闭,使用高压舱,先给1ATA(绝对大气压),3秒内加到2ATA,又立即在2秒内减压到1ATA,以引起内耳损伤。在加压结束后立即拔去耳塞,观察鼓膜表现和Preyer耳郭反射后,杀死4只作颞骨标本,另4只于8周后再观察一次耳郭反
Internal ear pressure trauma often occurs when diving or blasting. The author of eight guinea pigs as experimental subjects, in order to make pressure does not directly into the inner ear through the external auditory canal, the two external ear canal closed with earplugs, the use of high pressure tank, give 1ATA (absolute atmospheric pressure), 3ATA within 2ATA, Decompression to 1ATA seconds to cause damage to the inner ear. Remove the earplug immediately after the end of pressurization, observe the tympanic membrane performance and Preyer Auricular reflex, kill 4 only for temporal bone specimens, and the other 4 after 8 weeks and then observe auricle