Physics Bucharest 2017

Proton therapy techniques

2. Pencil Beam Scanning ▪ Separation of the target volume: ▪ In beam direction: monoenergetic layers ▪ In lateral direction: in raster points ▪ 2D guidance of the monoenergetic, small proton beam using a magnetic system

Universal Nozzle

Target volume

E min

E max

Scanning magnets

Courtesy: D. Kunath

Menkel, MTRA-Workshop Dresden 02-2015, Protonentherapie