化疗为主的综合治疗是转移或复发的结直肠癌主要治疗手段[1],可改善患者生存质量及延长其生存时间。建立有效的静脉通路是顺利完成化疗的保障。完全植入式静脉输液港是一种可植入皮下、长期留置体内的静脉输液装置,由注射座和静脉导管系统组成[2]。静脉输液港较好地解决了传统的外周静脉输化疗药对患者日常生活影响较 Chemotherapy-based comprehensive treatment is the main treatment of metastatic or recurrent colorectal cancer [1], can improve the quality of life of patients and prolong their survival time. Establishing effective venous access is the guarantee of successful chemotherapy. The fully implantable IV port is an implantable subcutaneous, long-term intravenous infusion device, consisting of an injection site and an intravenous catheter system [2]. Intravenous infusion port better solves the traditional peripheral intravenous chemotherapy in patients with daily life impact than