Patent ID: 7927866

Claim:
A process challenge device for evaluating the effectiveness of a microbial deactivation process using a vaporous deactivating agent, the device comprising: a housing including: a first layer having an outer surface and an inner surface, wherein a first pair of depressions are formed in said outer surface to define double-walled side walls of a first channel formed in said inner surface of said first layer; and a second layer having an outer surface and an inner surface, wherein said inner surface of said first layer and said inner surface of said second layer are fixed to each other to enclose said first channel to form a first conduit having a first end and a second end, wherein said first layer and said second layer define a chamber dimensioned to receive at least one of the following: a biological indicator and a chemical indicator, said first end of said first conduit is in fluid communication with said chamber and said second end of said first conduit is open.