常规胃肠气钡双重造影需在检查前直接口服产气粉。因产气粉在口腔内遇水后迅速转化为CO2 气体 ,并不同程度刺激口腔黏膜而造成吞咽不便 ,尤其是老弱年幼患者 ,甚至某些病人拒服 ,使胃肠造影达不到气钡双重的效果。为此我们将产气粉制成胶囊 ,使其容易吞咽并取得了较好产气与气 Conventional gastrointestinal barium double contrast need to be directly oral gas powder before examination. Due to gas production in the oral water quickly converted into CO2 gas, and to varying degrees stimulate the oral mucosa caused by swallowing inconvenience, especially the elderly and young patients, and even some patients refused to convince, so that gastrointestinal imaging did not reach the gas Barium double effect. To this end, we will produce gas powder capsules, making it easy to swallow and achieved good gas and gas