误吞金属锐器，临床较少见。教科书亦无常规疗法。笔者治疗４例，效果理想，无并发症，总结体会如下。１临床资料年龄１５～４岁，男３例，女１例。分别误吞旅行剪头１例、小刀头１例、缝纫机针１例、铁钉１例。就诊时间分别在误吞后１／２～１小时。均未诉腹痛。Ｘ－线... Swallowed metal sharp, clinically rare. Textbooks also have no conventional treatment. The author of treatment in 4 cases, the effect is ideal, no complications, summarized as follows. 1 clinical data age 1  5 to 4 years old, 3 males and 1 female. Respectively swallowing travel shear head in 1 case, knife head in 1 case, sewing needle in 1 case, nails in 1 case. Visiting time after swallowing 1/2 ~ 1 hour. Have not complained of abdominal pain. X-ray ...