笔头类异物是指学龄儿童常用的自动铅笔、圆珠笔最前端呈圆锥形、并和笔杆有螺纹连接的部分,可以旋转拧下。笔头类异物是近年来学龄儿童最常见的异物类型,手术难度较大。我科自1996～2 0 0 2年收治2 8例,报告如下。1　资料与方法1.1　临床资料2 8例均为圆锥形笔头类异物患儿,男 Written foreign body refers to the commonly used automatic pencil for school-age children, the tip of the ballpoint pen is conical, and the threaded part of the penholder can be rotated and unscrewed. Written foreign body is the most common type of foreign body in school-age children in recent years, the surgery is more difficult. Our department since 1996 ~ 2002 admitted 28 cases, the report is as follows. 1 Materials and Methods 1.1 Clinical data 28 cases were conical pen-like foreign body children, male