US 12,145,003 B2
Providing a treatment plan for radiotherapy when the delivery is interrupted
Rickard Holmberg, Stockholm (SE)
Assigned to RaySearch Laboratories AB, Stockholm (SE)
Appl. No. 17/783,205
Filed by RaySearch Laboratories AB, Stockholm (SE)
PCT Filed Nov. 30, 2020, PCT No. PCT/EP2020/083908
§ 371(c)(1), (2) Date Jun. 7, 2022,
PCT Pub. No. WO2021/115820, PCT Pub. Date Jun. 17, 2021.
Claims priority of application No. 19215187 (EP), filed on Dec. 11, 2019.
Prior Publication US 2023/0019727 A1, Jan. 19, 2023
Int. Cl. A61N 5/10 (2006.01)
CPC A61N 5/1038 (2013.01) [A61N 5/1037 (2013.01); A61N 5/1071 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A method for providing a treatment plan for radiotherapy when the delivery is interrupted, the method being performed by a treatment planning system and comprising the steps of:
detecting that delivery of a first treatment plan has been interrupted;
obtaining an indication of delivery of a partial dose, representing the part of the first treatment plan that was delivered prior to the interruption;
generating a second treatment plan, wherein the partial dose delivery forms an input to the second treatment plan generation as a background dose; and
performing robust optimization of the second treatment plan while considering a plurality of scenarios, wherein the plurality of scenarios comprises one or more of different patient translations, different breathing phase orientations, and different organ orientations.