后装放射治疗中,阴道串球虽有各种不同直径的尺寸,但缺少一种能使放射源偏心排列的串球,而我们常见的阴道癌、宫颈癌阴道浸润、阴道转移癌、宫颈癌治疗完后的阴道残留或复发等,它们的病灶往往偏向阴道的一侧,单是使用阴道串球,就会使全阴道受照同样的剂量,不利于病灶部位剂量的 After the installation of radiation therapy, vaginal although a variety of different sizes ball diameter, but the lack of a radioactive source can be arranged eccentric balls, and our common vaginal cancer, cervical cancer vaginal invasion, vaginal metastasis, cervical cancer Vaginal residual after treatment or relapse, etc., their lesions are often biased side of the vagina, the single use of vaginal ball, will make the whole vagina exposed to the same dose is not conducive to the dose of the lesion site