静脉输液作为一种迅速有效的补液、给药方法,在多途径治疗中占有不容置疑的首要位置,而且越来越受到欢迎和重视随着医疗水平的不断提高,不仅要求“一针见血”率的提高,而且要求在输液完毕时“无痛性”拔针和拔针后无“淤血”,这虽无很强的技术性,但却有重要意义,值得重视和注意 As a rapid and effective rehydration and drug delivery method, intravenous fluids occupy the most important and undivided position in multi-channel therapy and are more and more welcomed and valued. With the continuous improvement of medical standards, it not only requires the improvement of the rate of “ , But also requires ”no pain“ at the completion of the infusion needle and pull needle without ”congestion", although not strong technical, but it is of great significance, it is worth attention and attention