在医学研究中，大鼠常被选作实验对象，进行毒理学实验、药理学实验、肿瘤实验及各种急、慢性实验时，往往需要经静脉血管多次给药。因此，大鼠尾静脉注射技术显得尤其重要，但大鼠尾静脉较细小，操作相应比较困难，有时药物难以顺利地注入，从而影响实验结果，甚至导致实... In medical research, rats are often selected as experimental subjects, toxicology experiments, pharmacological experiments, tumor experiments and a variety of acute and chronic experiments, often require multiple administration of intravenous blood vessels. Therefore, the rat tail vein injection technology is particularly important, but the tail vein in rats smaller, the corresponding operation more difficult, and sometimes difficult to inject drugs, thus affecting the experimental results, and even lead to ...