元珠笔帽是指目前市场上大量供应的廉价元珠笔的塑料笔帽,形状酷似子弹头。尖端封闭呈钝园形。宽端开放,中空,质轻而荡,较坚韧,色泽不一,以乳白色半透明者居多数。长约3厘米左右,最粗处直径约0.9厘米左右。呼吸道异物是比较常见而严重的疾病之一。一般以植物性异物占绝大多数。我科自1964-1975年共收治呼吸道异物520例,其中元珠笔帽者27例,约占5.19％。仅次于花生,葫豆,属第三位。因其临床表现及诊治颇具特殊性,将我们的点滴经验整理分析以供参考,不妥之处希指正。 Ballpoint pen cap refers to the large supply of cheap pen ballpoint pen plastic caps currently on the market, shaped like a bullet. Apical closed blunt garden. Wide open, hollow, light and swing, more tough, different color, with milky white translucent majority. About 3 cm long, the diameter of about 0.9 cm at the most rough. Respiratory foreign body is one of the more common and serious diseases. Generally accounted for the vast majority of plant foreign body. My department from 1964 to 1975 were treated 520 cases of foreign bodies in the respiratory tract, of which 27 cases of ball-point pen cap, accounting for 5.19%. Second only to peanuts, gourd beans, is the third. Due to its clinical manifestations and diagnosis and treatment of particularities, we will organize the analysis of bit by bit for reference, the wrong place to correct me.