Patent ID: 8741227

Claim:
An isolator comprising: a workroom in which a work involving biologically-derived materials is performed, said workroom including a first sterilizing material supply port, a first sterilizing material discharge port, a first gas supply port provided with a particulate trap filter, and a first gas discharge port provided with a particulate trap filter; a sterilization chamber for communicating with said workroom via a door in which an article to be carried into said workroom is sterilized, said sterilization chamber including a second sterilizing material supply port, a second sterilizing material discharge port, a second gas supply port provided with a particulate trap filter, and a second gas discharge port provided with a particulate trap filter; a sterilizing material supply unit for supplying a sterilizing material to said workroom and said sterilization chamber; a first sterilizing material supply path for connecting said sterilizing material supply unit to the workroom by way of the first sterilizing material supply port and without the medium of the particulate trap filter; a second sterilizing material supply path for connecting said sterilizing material supply unit to the second sterilizing material supply port without the medium of the particulate trap filter; a first circulating path for connecting the workroom to said sterilizing material supply unit by way of the first sterilizing material discharge port and without the medium of the particulate trap filter; a second circulating path for connecting the second sterilizing material discharge port to said sterilizing material supply unit without the medium of the particulate trap filter; a first gas supply path for connecting the exterior to the first gas supply port; a second gas supply path for connecting the exterior to the second gas supply port; a first gas discharge path for connecting the first gas discharge port to the exterior; a second gas discharge path for connecting the second gas discharge port to the exterior; a control unit for controlling the switching of flow paths for the sterilizing material and gas taken in from the exterior; a first filter circulating path, disposed exterior to the workroom, and connected to the first gas supply port and the first gas discharge port without passing through the sterilizing material supply unit, the first filter circulating path including a first circulator, the first filter circulating path separated from the first sterilizing material supply path and the first circulating path; and a second filter circulating path, disposed exterior to said sterilization chamber, and connected to the second gas supply port and the second gas discharge port without passing through the sterilizing material supply unit, the second filter circulating path including a second circulator, the second filter circulating path separated from the second sterilizing material supply path and the second circulating path.