生物安全柜是为操作原代培养物、菌(毒)株以及诊断性标本等具有感染性的实验材料时,用来保护操作者本人、实验室环境以及实验材料,使其避免暴露于上述操作过程中可能产生的感染性气溶胶和溅出物而设计的负压过滤排风柜。它是生物安全实验室中不可缺少的设备,是BSL-2及以上级实验室中操作 Biological safety cabinets are intended to protect the operator, the laboratory environment and the test material from exposure to the above operations in the handling of infectious laboratory materials such as primary cultures, strains of bacteria and diagnostic specimens In the process of possible infectious aerosols and spills and design of the negative pressure filtration hood. It is an indispensable device in biosafety laboratories and is operated in BSL-2 and above laboratories