根据肿瘤细胞对热的耐受性较正常细胞差,在一定温度下肿瘤细胞死亡而正常细胞仍能耐受这一原理,我们自制了一种直肠内加热器治疗直肠癌,对解除肠道梗阻、提高生活质量、延长患者生存时间有一定的疗效,现报告如下。1　材料和方法11　加热器的制作　钢制乙状结肠镜1支,内装加热电 According to tumor cell heat tolerance than normal cells, at a certain temperature tumor cells die and normal cells can still tolerate this principle, we have a homemade rectal heater for rectal cancer, to relieve intestinal obstruction , improve the quality of life, and prolong the survival of patients have a certain effect, the report is as follows. 1 Materials and methods 11 Preparation of heater One steel sigmoidoscope with built-in heating