Using a fluorescent dye that illuminates the blood vessels under a strong x-ray, the physician inserts a long, thin, flexible tube called a catheter into an artery in the leg and maneuvers it all the way to the blockage.
使用荧光染料在强 X 线下照亮血管,医生将一根又长又细又灵活管子( 称为导管)插入腿部动脉,并一直移动到阻塞处。