用眼科电磁铁吸取外耳道异物一例张日文１李开君２患儿男，１０岁，因左耳塞入一钢球２ｈ就诊。查体：痛苦面容，左耳外耳道峡部见一圆形表面发亮１山东淄博市中心医院耳鼻咽喉科（２５５０３６）２山东淄博市中心医院眼科钢球，周围无空隙。各种器械试取均失败，且患儿疼... With the use of ophthalmic electromagnet foreign body to extract a case of foreign Zhang Zhang 1 Kai-Jun Li 2 male, 10 years old, because the left ear into a ball 2h treatment. Physical examination: pain face, left ear, external auditory canal isthmus see a round surface shiny 1 Department of Otolaryngology, Central Hospital of Zibo, Shandong (255036) 2 Shandong Zibo Central Hospital ophthalmic steel ball, no gaps around. A variety of test equipment failed, and children with pain ...