The present invention relates to a method of sterilizing at least one object, wherein the object has at least two openings toward an inner space of the object to be sterilized, wherein at least one first opening is connected to a feed line for a sterilization agent and wherein the at least one second opening is connected to an outlet line for a sterilization agent and the sterilization agent is conducted through the feed line into the inner space and through the inner space and leaves the inner space through the outlet line. The present invention furthermore relates to a sterilizing apparatus and to a use of same.
