US 12,109,433 B2
Efficient treatment of cranio spinal cancers
Louis Arunus Genet, Newcastle (AU); and Stuart Julian Swerdloff, Dunedin (NZ)
Assigned to Elekta, Inc., Atlanta, GA (US)
Filed by Elekta, Inc., Atlanta, GA (US)
Filed on Oct. 12, 2022, as Appl. No. 18/046,035.
Prior Publication US 2024/0123256 A1, Apr. 18, 2024
Int. Cl. A61N 5/10 (2006.01)
CPC A61N 5/1043 (2013.01) [A61N 5/1039 (2013.01); A61N 5/1078 (2013.01); A61N 2005/1087 (2013.01); A61N 2005/1095 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A system for radiotherapy comprising:
a fixation device arranged to receive and immobilize a patient;
a first filter arranged to extend along a first portion of the patient, the first filter attached to the fixation device via one or more supports, the first filter including a plurality of beam attenuating elements;
a particle treatment system, including an ion source and a plurality of magnets, the particle treatment system arranged to deliver a therapeutic particle radiation dose attenuated via the first filter to the first portion of the patient, wherein the first filter is attached to the fixation device at a first location; and
a second filter arranged along a posterior oblique of the patient, the second filter attached to the fixation device at a second location, wherein the particle treatment system is further arranged to deliver a therapeutic proton radiation dose attenuated via the second filter to a second portion of the patient, and wherein the therapeutic proton radiation dose attenuated via the second filter is delivered to the second portion of the patient from a vertical beamline, and the therapeutic proton radiation dose attenuated via the first filter is delivered to the first portion along a different beamline than the vertical beamline.