PROBLEM TO BE SOLVED: To provide a method of annihilating cancer cells and virus in a blood without putting a load on the body.SOLUTION: The blood of a cancer patient or a person infected with a dangerous infectious disease or antibiotic-resistant virus is taken out to the outside of the body by using a catheter 3 and the like, warmed and disinfected together with the catheter and the like without contact with the air, cooled to a normal temperature together with the catheter and the like, and returned into the body, thereby safely annihilating cancer cells and virus.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2018,JPO&INPIT【課題】身体に負担をかけることなく血液中の癌細胞やウィルスを死滅させる方法を提供する。【解決手段】癌や危険な伝染病、抗生物質の効かないウィルス感染者などの血液を、カテーテル3等で体外に取り出し、空気に触れることなくカテーテル等ごと過熱して滅菌して、さらにカテーテル等ごと平熱に冷却して身体に戻すことで、安全に癌細胞やウィルス等を死滅させることが出来る。【選択図】図1