简便额灯适用于痔瘘科、口腔科、耳、鼻、喉科等照明之用。是农村医疗队和赤脚医生所欢迎的照明工具。我们赤脚医生为了方便贫下中农患者,经常送医送药上门,但有时在患家床头进行治疗时,遇到没有光源,感到很不方便,尤其是阴天或夜晚时,则无法进行检查和治疗。因此,解决光源问题却引起了我的注意,我带着这个问题学习了毛主席著作《实践论》,并 Simple lamp suitable for hemorrhoids department, stomatology, ear, nose, throat and other lighting purposes. Is a popular lighting tool for rural medical teams and barefoot doctors. We barefoot doctors in order to facilitate the poor middle peasants, often give medicine delivery, but sometimes at the bedside treatment, encounter no light, I feel very inconvenient, especially in cloudy or at night, can not be checked and treatment. Therefore, to solve the problem of light source has aroused my attention. With this question, I studied Chairman Mao’s book Practice Theory.