本文对 10 0例患者于高压氧舱吸氧后所使用的吸排氧装置 (面罩及三通管 )以 1%“84”消毒液及 2 %强化戊二醛进行消毒 ,并于消毒前后进行细菌培养以观察对比消毒前后细菌菌株生长情况的变化。结果显示 ,消毒前后面罩和三通管的阳性菌株数有显著差异。经“84”消毒液消毒者 ,消毒后阳性菌株显著减少 ,特别以强化戊二醛消毒者更无细菌生长。其阳性菌株在消毒前主要均为G-杆菌 ,经“84”消毒液消毒后其面罩菌株仍以G-杆菌为主 ,三通管则以G-球菌为主 In this paper, 100 patients with oxygen in the hyperbaric chamber after oxygen inhalation device (mask and tee) with 1% “84” disinfectant and 2% enhanced glutaraldehyde disinfection before and after disinfection of bacteria Culture to observe changes in bacterial growth before and after disinfection. The results showed that the number of positive strains of mask and tee tube before and after disinfection were significantly different. The “84” disinfectant disinfection, disinfection positive strains significantly reduced, especially to strengthen the glutaraldehyde disinfection more bacteria growth. The positive strains in the disinfection before the main are G-bacteria, the “84” disinfectant after disinfection of the mask strain is still mainly G-bacteria, tee pipe is mainly G-cocci