小肠是消化道中最长的一段,由于传统的检查手段在小肠疾病诊断中的运用存在较大的局限性,小肠疾病的诊断率很低。胶囊内镜的问世突破了传统内镜机械插入法的思维,它能观察以往内镜不易达到的小肠部位,操作简单,无需镇静,对胃肠动力影响小。自2001年8月胶囊内镜通过美国FDA获准 The small intestine is the longest section of the digestive tract. Due to the limitations of the traditional methods used in the diagnosis of small intestinal diseases, the diagnosis of small intestinal diseases is very low. The advent of capsule endoscopic breakthrough traditional endoscopic mechanical insertion method of thinking, it can be observed in the past difficult to reach endoscopic small intestine, easy to operate, without sedation, little effect on gastrointestinal motility. Since August 2001 capsule endoscopy approved by the US FDA