US 12,257,452 B2
Radiotherapy planning apparatus and method
Masahide Ichihashi, Otawara (JP)
Assigned to Canon Medical Systems Corporation, Otawara (JP)
Filed by Canon Medical Systems Corporation, Otawara (JP)
Filed on Aug. 24, 2022, as Appl. No. 17/821,842.
Claims priority of application No. 2021-136953 (JP), filed on Aug. 25, 2021; and application No. 2022-132053 (JP), filed on Aug. 22, 2022.
Prior Publication US 2023/0063685 A1, Mar. 2, 2023
Int. Cl. A61N 5/10 (2006.01)
CPC A61N 5/103 (2013.01) [A61N 5/1065 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A radiotherapy planning apparatus, comprising:
processing circuitry configured to:
acquire dose rate distribution information indicating a distribution of a dose rate in an irradiation path of radiation based on irradiation conditions of the radiation, the dose rate changing along an irradiation depth from a body surface; and
acquire irradiation effect discrimination information for discriminating irradiation effects of radiation in the irradiation path based on the acquired dose rate distribution information.