1案例张某，男，38岁．某月30日下午1时吞食金属镊子一把，当即感上腹疼痛不适，呕吐少量鲜红色血性物一次，约3ml．住院后拍x线片见左卜腹金属异物，其尖端与T10椎体重迭．第三天手术，术中见金属异物已进入胃体，切开胃体，取出长10cm镊子一把。术后第三天开始出现寒颤、发热 1 case Zhang, male, 38 years old. A swallowed metal tweezers at 1 o’clock on the 30th of a month on the 30th, immediately feeling upper abdominal pain and discomfort, vomiting a small amount of bright red bloody once, about 3ml. After hospitalization x-ray film Bu Bu abdominal metal foreign body, the tip and T10 vertebral overlap. The third day of surgery, intraoperative see metal foreign body has entered the body, incision body, remove a 10cm forceps. The third day after the onset of chills, fever