Radiotherapy device

摘要

The device (20) has an inner applicator element (21) comprising a base region (22) and attached to a radiation source device (11) by the base region. An outer applicator element (24) is formed with respect to the inner applicator element, and comprises an accommodation space for accommodating a component of the inner applicator element. The inner applicator element is sectionally guided into the outer applicator element. The inner applicator element comprises a cylindrical guiding region (23) that is guided into a cylindrical guiding region (26) of the outer applicator element.