RADIATION IMAGING SYSTEM, CONTROL DEVICE, CONTROL METHOD THEREOF, AND PROGRAM

• Main Author: MATSUDA DAIZO
• Format: Patent
• Language: English; Japanese
• Published: 27.07.2017
• Subjects: DIAGNOSIS; HUMAN NECESSITIES; HYGIENE; IDENTIFICATION; MEDICAL OR VETERINARY SCIENCE; SURGERY

PROBLEM TO BE SOLVED: To provide a technology advantageous for appropriately controlling an irradiation amount of radiations.SOLUTION: A radiation imaging system includes a plane detector in which a plurality of pixels having a conversion element for converting radiations into an electric signal are arranged in a matrix shape, detection means for detecting radiations that have arrived in a plurality of regions of the plane detector, setting means for setting an imaging area of a subject, detection means for detecting the orientation in an in-plane direction of the plane detector, selection means for selecting a region used for the detection of radiations of the plurality of regions based on the set imaging area and the detected orientation, and control means for controlling the imaging based on a dose of radiations detected in the selected region.SELECTED DRAWING: Figure 1 【課題】放射線の照射量を適切に制御するために有利な技術を提供する。【解決手段】放射線撮像システムは、放射線を電気信号に変換する変換素子を有する複数の画素がマトリクス状に配置された平面検出器と、平面検出器の複数の領域において、到達した放射線を検知する検知手段と、被検体の撮影部位を設定する設定手段と、平面検出器の面内方向の向きを検出する検出手段と、設定された撮影部位及び検出された向きに基づいて、上記複数の領域のうち、放射線の検知に使用する領域を選択する選択手段と、選択された領域で検知された放射線の線量に基づいて撮像の制御を行う制御手段とを有する。【選択図】 図１