Experimental Study of Self Expandable Metal Stents Inserted in Trachea of Piglets 幼猪气管内留置自涨式金属内支架的初步实验研究
Methods 4 cases of late stage transverse colon cancer combined with malignant obstruction. Self expanding, nichrome metal stents were inserted under the help of X ray and colonscopy. 方法晚期肿瘤伴横结肠恶性梗阻病例4例,在X线监视及结肠镜配合下经肛门放置自膨式镍钛合金金属支架。