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本文所研究的双气囊四腔管食管癌局部化疗器，为治疗食道癌开辟了一条新途径。解决了食道癌对化疗药物敏感性低，静脉化疗严重的毒性反应限制了化疗药物的用量及时间和效果不满意的问题。我们研制的双气囊食道癌局部化疗器的作用是使药物能在病灶局部较长时间的存留，通过局部应用高浓度、高效价的抗癌药物，使癌细胞脱水、萎缩、坏死、癌灶缩小，给手术治疗提供机会。对中、晚期不能手术的病人也是一种较满意的治疗方法，生存期可明显延长，生活质量提高，并且有副作用小，病人易接受，费用低，不受医院条件环境限制等特点，临床应用前景广阔。
The dual-balloon four-lumen esophageal cancer local chemotherapy device studied in this article opens a new way to treat esophageal cancer. Solved the problem that esophageal cancer has low sensitivity to chemotherapeutic drugs, and the severe toxicity of intravenous chemotherapy restricts the problem of unsatisfactory dosage and time and effect of chemotherapy drugs. The role of the double-balloon esophageal cancer local chemotherapy device developed by us is to enable the drug to persist locally in the lesion for a long time. By locally applying a high-concentration, high-valence anticancer drug, the dehydration, atrophy, necrosis, and shrinking of the cancer cell can be achieved. Give surgical treatment opportunities. Patients who are inoperable in the middle and late stages are also a more satisfactory treatment method. The survival period can be significantly extended, the quality of life can be improved, and the side effects are small, the patient is easy to accept, the cost is low, and the conditions are not limited by the hospital environment. Broad prospects.