Electric knife wire, uretlral catheter, scissors and rubber tube were put in one self made disinfection box and disinfected for 2 hours while H2O2 is being heated and volatilized inside.

• 选择电刀导线、尿管、剪刀及橡胶管作为试验对象，将以上物品放于自制的消毒箱内，将过氧化氢加热挥发，封闭消毒箱2h，以上物品消毒前后分别在无菌技术下用同样的方法采集标本，进行细菌培养。