PROBLEM TO BE SOLVED: To reduce a panel width and improve the space efficiency of an entire apparatus. SOLUTION: A sterilization chamber 32 for performing a sterilization step on a stored object to be sterilized, a front door 36 which can be slid horizontally to open and close a front opening of the sterilization chamber 32, and a front surface of the sterilization chamber 32. A front panel 40 arranged around the opening and provided to hide the periphery of the outer wall of the sterilization chamber, an operation unit 45 that can be operated by an operator, and a process indicator lamp 44 indicating the current sterilization process are provided. A front control panel 46 having an operation display unit 48 is provided, and the front control panel 46 is arranged on the sliding direction side of the front door 36 when the front door 36 is opened, and when the front door 36 is opened, The front door 36 is provided so as to be located on the back side of the front control panel 46. [Selection diagram] Fig. 1【課題】パネル幅を削減して装置全体の空間効率を上げることができる。【解決手段】収納された被滅菌物に対して滅菌工程を施す滅菌室３２と、滅菌室３２の正面開口部を開閉するために水平方向にスライド可能な正面扉３６と、滅菌室３２の正面開口部の周囲に配置されて滅菌室外壁の周囲を隠蔽するように設けられた正面パネル４０と、作業者が操作可能な操作部４５及び現在の滅菌工程を示す工程表示灯４４が設けられた操作表示ユニット４８を有する正面制御パネル４６と、を具備し、正面制御パネル４６は、正面扉３６が開いたときの正面扉３６のスライド方向側に配置され、正面扉３６が開いたときに、正面制御パネル４６の背面側に正面扉３６が位置するように設けられている。【選択図】図１
