用无菌操作手续取得健康产妇脐带后,以灭菌生理盐水洗净,至于留在血管中的血液,则用小刀在脐带表面上用力压出,使整个脐带成白色为止,装入消毒大口瓶中,用1%的乙醇溶液浸泡24小时后,倾去浸液,再用1.5%乙醇及0.5%甲醛等量混合溶液浸泡24小时,倾去浸液,以同样含量的混合溶液继续浸渍一次。 After obtaining the maternity umbilical cord with sterile procedures, wash it with sterile saline solution. As for the blood remaining in the blood vessels, use a knife to push out firmly on the surface of the umbilical cord, so that the entire umbilical cord becomes white and put into the disinfection jar. After soaking for 24 hours in a 1% ethanol solution, the infusion was decanted, and then soaked in a mixture solution of 1.5% ethanol and 0.5% formaldehyde for 24 hours. The infusion was decanted and continued to be soaked in the same amount of the mixed solution.