125 iodine seeds adhere to a stent, which forms a radioactive stent. On the one hand, the radioactive stent can expand narrow lumens caused by cancer (such as esophageal cancer, tracheocarcinoma and bronchiolar carcinoma).On the other hand, it can irradiate cancer. Therefore, it has both palliative and radical effects.
Indications: esophageal cancer, tracheocarcinoma, bronchiolar carcinoma, cholangiocarcinoma, anal canal cancer, etc.