外耳道上皮栓是一种较顽固性的外耳道疾患 ,通常用耵聍钩挖取 ,每次取出的数量少 ,易划伤耳道 ,操作者费力 ,患者痛苦 ,通过把耵聍钩改制成耵聍圈后经过五年 110 6例观察 ,收到良好效果。器械改制方法 :在耵聍钩的基础上将钩围成“Ｃ”形 ,圈与耵聍钩柄的延长线呈 4 5度角〔见 The external auditory canal epithelial plug is a more intractable external auditory canal disease. It is usually excavated with a hook, the number of each time taken out is small, it is easy to scratch the ear canal, the operator is strenuous, the patient suffers, and the hook is modified into a fistula. After 5 years and 110 6 cases of observation, it received good results. Device restructuring method: on the basis of the hook, the hook is enclosed in a “C” shape, and the extension of the ring and the hook handle is 45 degrees (see