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EMLA 霜为丙氨卡因与利多卡因混合的乳脂,手术显微镜下用2ml 注射器将该霜直接注到鼓膜表面直至充满外耳道,避免出现气饱,1小时后吸出药液。电离子透入是将等量
EMLA cream is a mixture of prilocaine and lidocaine cream. Under a surgical microscope, inject the cream onto the tympanic membrane directly to the tympanic membrane with a 2ml syringe until the airways become full, and then suck the liquid out after 1 hour. Electron penetration is the same amount