PROBLEM TO BE SOLVED: To provide a treatment plan system in which an irradiation division pattern can be appropriately set including a dose division pattern and an execution pattern.SOLUTION: The treatment plan system includes: an irradiation division pattern management device 2 for managing an irradiation division pattern da16 including the number da14 of times of irradiation for division irradiation of the total irradiation dose da13 of radiation and an execution pattern da15 which is a pattern including an irradiation interval section for irradiating the divided dose, according to a treatment site da12 for classifying a site of a lesion and the total irradiation dose da13 and an irradiation division pattern setting device 1 for acquiring the irradiation division pattern da16 managed by the irradiation division pattern management device 2 on the basis of the total irradiation dose da13 with which the lesion is irradiated and the treatment site da12 of the lesion, and preparing treatment plan data 4 in which the irradiation division pattern da16 is set to an irradiation condition for the lesion.COPYRIGHT: (C)2013,JPO&INPIT【課題】線量分割パターン及び実行パターンを含む照射分割パターンを適切に設定することができる治療計画システムを得ることを目的とする。【解決手段】放射線の総照射線量da13を分割照射する照射回数da14と、分割された線量を照射する照射間隔区分を含むパターンである実行パターンda15とを含む照射分割パターンda16を、患部の部位を分類する治療部位da12及び総照射線量da13に対応させて管理する照射分割パターン管理装置2と、患部に照射する総照射線量da13及び患部の治療部位da12に基づいて、照射分割パターン管理装置2に管理された照射分割パターンda16を取得し、患部に対する照射条件に照射分割パターンda16を設定した治療計画data4を作成する照射分割パターン設定装置1と、を備えた。【選択図】図2
