PROBLEM TO BE SOLVED: To provide a recumbent position radiation imaging apparatus which has a top plate manually adjustable in height and a radiation source movable in association with the top plate and in which if the continuous movement distance of the top plate is included in a predetermined range, the association is released.SOLUTION: The imaging apparatus includes: a radiation source 12 for irradiating a subject with radiation a top plate 14 manually adjustable in height a continuous movement distance detecting section 16 for detecting the continuous movement of the top plate 14 a radiation source moving mechanism 13 for moving the radiation source 12 in association with the continuous movement distance a radiation detector 20 moving integrally with the top plate 14 an operation input section 26 for inputting information about imaging and an instruction of imaging an imaging control section 34 for controlling the radiation source 12 and the radiation detector 20 to perform radiation imaging an association determining section 38 for determining whether the association of the radiation source 12 is to be released or not, and outputting an instruction to release the association and a radiation source association control section 40 for controlling the radiation source moving mechanism 13 and releasing the association of the radiation source 12 on the basis of the instruction of release of association.COPYRIGHT: (C)2013,JPO&INPIT【課題】手動で高さを調整可能な天板と、天板に連動して移動する放射線源とを備え、天板の連続移動距離が、所定の範囲に含まれる場合に、その連動を解除することを特徴とする臥位放射線撮影装置を提供する。【解決手段】被写体に向けて放射線を照射する放射線源12と、手動で高さの調整が可能である天板14と、天板14の連続移動距離を検出する連続移動距離検出部16と、連続移動距離に連動して放射線源12を移動させる線源移動機構13と、天板14と一体として移動する放射線検出器20と、撮影情報及び撮影指示を入力する操作入力部26と、放射線源12と放射線検出器20とを制御して放射線撮影を行う撮影制御部34と、放射線源12の連動を解除するか否かを判定し、連動解除の指示を出力する連動判定部38と、線源移動機構13を制御し、連動解除の指示に基づいて、放射線源12の連動を解除する線源連動制御部40とを備える。【選択図】図1
