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由湖南岳阳地区制药厂与湖南医学院附一院、附二院、长沙铁路医院等单位协作研制的604型双重造影硫酸钡混悬剂(干品),于1979年12月37日在湖南岳阳市召开了技术鉴定会。岳阳地区制药厂经过表面活性剂、辅助剂的筛选,制成了高浓度、低粘度的硫酸钡混悬剂,经临床单位试用于303个病例,效果满意,除用于胃癌早期诊断外,还适用于食道、肠道的造影,较普通钡剂优越。604型双重造影硫酸钡混悬剂(干品)为白色疏松粉末,具有香甜味,在空气中易吸潮,加水成混悬剂,粒度均匀2μ以下者
By the Hunan Yueyang pharmaceutical factory and the Hunan Medical College Affiliated Hospital, Second Hospital, Changsha Railway Hospital and other units developed in collaboration with the double-barium sulphate 604 suspension (dry goods), on December 37, 1979 in Hunan Yueyang City held a technical appraisal meeting. Yueyang pharmaceutical factory after surfactant, auxiliary screening, made of high concentration, low viscosity barium sulfate suspension, the trial by clinical units in 303 cases, the effect is satisfactory, except for the early diagnosis of gastric cancer, but also For esophageal, intestinal imaging, superior to ordinary barium. 604 double contrast barium sulfate suspension (dry product) is white loose powder, with a sweet taste, easy to absorb moisture in the air, add water into a suspension, the particle size is uniform 2μ or less