Catheters导管cathetern.导尿管；尿液管；导管Catheterization of bladder膀胱导管插入术catheter with movable disc头部带活动圆盘的导尿管catheter specimen of urine导尿标本catheter tipped transducer导管尖端换能器catheterized urine specimen导尿标本Catheterization of bronchus支气管导管插入术catheter with inflation bag带气囊导尿管catheter introduction plate导管插入板catheter-induced ablation导管切除术catheter area for microshock弱电击的导管面积