Radiotherapy apparatus incorporating multi-source focusing therapy and conformal and intensity-modulated therapy

A radiotherapy apparatus incorporating multi-source focusing therapy and conformal and intensity-modulated therapy, comprising a base, a movable couch, a gantry, at least one therapeutic head, and a counterweight, the movable couch and the gantry are disposed on the base, the therapeutic head and the counterweight are oppositely positioned on the gantry, wherein, the therapeutic head comprises:

• a shielding part configured for shielding radiation beams from at least one radioactive source;
• a source carrier received in the shielding part, provided with a focusing radioactive source for focused therapy and a conformal radioactive source for conformal and intensity-modulated radiotherapy;
• a switch part positioned on an emitting side of the focusing radioactive source and the conformal radioactive source, and comprises at least one through hole to be controlled aligning with the focusing radioactive source or the conformal radioactive source for passing through the radiation beams;
• a shielding door positioned on one side of the switch part away from the source carrier, configured for controllably shielding the radiation beams of the radioactive sources;
• and
• a collimator assembly comprising a collimator carrier, a plurality of focusing collimators and a multi-leaf collimator, wherein the focusing collimators and multi-leaf collimator are disposed on the collimator carrier.