The purpose of the present invention is to delay the decomposition of sterilants within a tank or a cartridge whereby an extraction tube is inserted. A sterilization device sterilizes an object by extracting the sterilants from the cartridge including the sterilants. The sterilization device comprises the extraction tube which extracts the sterilants from the cartridge and a moving unit which moves the extraction tube so that the position of the extraction tube for the cartridge when the sterilants in the cartridge are extracted through the extraction tube is different from the position of the extraction tube for the cartridge when the extraction of the sterilants from the cartridge are on standby.本發明為滅菌裝置、滅菌方法,解決延遲插入抽取管的筒或罐內的滅菌劑的分解的課題。從裝有滅菌劑的筒抽取上述滅菌劑對對象物進行滅菌的滅菌裝置,特徵為,具備從上述筒抽取滅菌劑的抽取管和移動上述抽取管的移動機構,該移動機構使由上述抽取管抽取上述筒內的滅菌劑的情況下的抽取管相對於上述筒的位置跟為了由上述同一個筒進行後續的滅菌處理而等待由上述抽取管從上述筒抽取滅菌劑時上述抽取管相對於上述筒的位置各自不同。
