US 12,076,585 B2
Treatment planning system, treatment planning generation method, and recording medium
Taisuke Takayanagi, Tokyo (JP); Takahiro Yamada, Tokyo (JP); Yusuke Fujii, Tokyo (JP); Toru Umekawa, Tokyo (JP); Hiroki Shirato, Hokkaido (JP); Shinichi Shimizu, Hokkaido (JP); Taeko Matsuura, Hokkaido (JP); Naoki Miyamoto, Hokkaido (JP); Seishin Takao, Sapporo (JP); Yuichi Hirata, Hokkaido (JP); and Sodai Tanaka, Hokkaido (JP)
Assigned to HITACHI, LTD., Tokyo (JP)
Filed by Hitachi, Ltd., Tokyo (JP)
Filed on Dec. 9, 2021, as Appl. No. 17/546,505.
Claims priority of application No. 2021-057201 (JP), filed on Mar. 30, 2021.
Prior Publication US 2022/0314027 A1, Oct. 6, 2022
Int. Cl. A61N 5/10 (2006.01)
CPC A61N 5/1031 (2013.01) [A61N 5/1043 (2013.01); A61N 5/1048 (2013.01); A61N 2005/1074 (2013.01); A61N 2005/1087 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A treatment planning system that generates a treatment planning for irradiating a target with a particle beam, comprising:
a control system that sets at least two or more irradiation patterns for one treatment planning, calculates a plurality of predicted dose distributions for each irradiation pattern of the at least two or more irradiation patterns based on a target dose set for each region for at least one region including a region of the target, and calculates an index for evaluating a validity of each irradiation pattern of the at least two or more irradiation patterns based on the plurality of predicted dose distributions.