PROBLEM TO BE SOLVED: To provide a plasma sterilizer and a plasma sterilization method for generating a plasma stream in steam flow under atmospheric pressure and performing sterilization by the plasma stream.SOLUTION: The plasma sterilizer is provided with: a tube 10 which comprises a dielectric, has one end thereof released in the air, and places an object to be sterilized inside a steam generation part 30 which is connected to the other end of the tube 10 and generates steam to be flown inside the tube 10 an electric discharge part 20 which is provided in the middle of the tube 10 and generates dielectric barrier discharge inside the tube 10 and a voltage generation part 40 for applying AC voltage related to the dielectric barrier discharge to the electric discharge part 20.COPYRIGHT: (C)2009,JPO&INPIT【課題】プラズマ滅菌装置及びプラズマ滅菌方法に関し、大気圧の水蒸気流中にプラズマ流を生成し、そのプラズマ流により滅菌することができるようにする。【解決手段】誘電体からなるとともに一端を大気開放され、滅菌の対象となる被滅菌物を内部に配置される管10と、管10の他端に接続され、管10の内部へ流通させるための水蒸気を発生させる水蒸気発生部30と、管10の中途に設けられ、管10の内部で誘電体バリア放電を起こす放電部20と、誘電体バリア放電に係る交流電圧を放電部20へ印加する電圧発生部40とを備える。【選択図】図1
