PROBLEM TO BE SOLVED: To provide a mechanism capable of sterilizing the lumen of a body to be sterilized by state change of hydrogen peroxide.SOLUTION: A sterilization method of sterilizing a lumen of the body to be sterilized which is stored in a sterilization chamber with hydrogen peroxide includes: a hydrogen peroxide diffusion stage of supplying vapor of hydrogen peroxide and diffusing the vapor of hydrogen peroxide into the sterilization chamber a hydrogen peroxide coagulation stage of introducing the diffused vapor of the hydrogen peroxide into the lumen of the body to be sterilized and coagulating the vapor of hydrogen peroxide introduced into the lumen into a liquid and a hydrogen peroxide vaporization stage of vaporizing the coagulated liquid of hydrogen peroxide.COPYRIGHT: (C)2013,JPO&INPIT【課題】過酸化水素の状態変化で被滅菌物の内腔を滅菌できる仕組みを提供すること。【解決手段】滅菌室内部に収納された被滅菌物の内腔を過酸化水素で滅菌する滅菌方法において、過酸化水素の蒸気を供給し滅菌室内部に過酸化水素の蒸気を拡散する過酸化水素拡散工程、拡散した過酸化水素の蒸気を被滅菌物の内腔に導入するとともに内腔に導入された過酸化水素の蒸気を液体に凝結する過酸化水素凝結工程、凝結した過酸化水素の液体を気化する過酸化水素気化工程を含む。【選択図】 図3
