PROBLEM TO BE SOLVED: To provide a radiation diagnostic device capable of operating only a member involved in the collection of output data of a detection element corresponding to an imaging region included in an imaging condition when performing imaging based on the imaging condition.SOLUTION: A radiation diagnostic device includes: a plurality of radiation detection elements for detecting an X-ray irradiated from an X-ray tube a plurality of signal processing boards for performing at least an operation to execute AD conversion processing and an operation to output a signal after the processing, upon receipt of an output signal of the plurality of radiation detection elements a specification part for specifying a non-attention element which is a radiation detection element corresponding to a region other than an imaging region, or a non-attention board which is a signal processing board corresponding to the non-attention element based on the information on the imaging region included in an imaging condition for a subject and a control part for controlling an operation of the non-attention element or the non-attention board when performing imaging based on the imaging condition.SELECTED DRAWING: Figure 5COPYRIGHT: (C)2017,JPO&INPIT【課題】撮像条件による撮像の際に、撮像条件に含まれる撮像領域に対応する検出素子の出力データの収集に係る部材のみを動作させることができる放射線診断装置を提供する。【解決手段】本発明の一実施形態に係る放射線診断装置は、X線管から照射されたX線を検出する複数の放射線検出素子と、複数の放射線検出素子の出力信号を受けて、少なくともAD変換処理を施す動作および処理後の信号を出力する動作を行う複数の信号処理基板と、被検体の撮像条件に含まれる撮像領域の情報に基づいて、撮像領域以外の領域に対応する放射線検出素子である非注目素子または当該注目素子に対応する信号処理基板である非注目基板を特定する特定部と、前記撮像条件による撮像の際、前記非注目素子または前記非注目基板の動作を制御する制御部と、を備える。【選択図】 図5
