Fig. 3From: Present state and issues in IORT PhysicsThe Zeiss Intrabeam System (Carl Zeiss Meditec AG, Göschwitzer Str. 51-52, 07745 Jena, Germany). a The X-ray source (XRS) with a spherical breast applicator mounted on the floor stand. b The XRS. c Schematic drawing of the XRS accelerator. d Spherical applicators for breast IORTBack to article page