PROBLEM TO BE SOLVED: To provide a subject information acquisition device for detecting an acoustic wave, which suppresses a decrease in the signal intensity of the acoustic wave by increasing an area of contact between a holding plate and a subject.SOLUTION: A subject information acquisition device for use, which acquires subject information on the basis of an acoustic wave propagated from a subject, includes: a first holding member a plurality of second holding members which hold the subject between itself and the first holding member a probe which receives the acoustic wave from the subject via the first holding member and a movement mechanism which makes the plurality of second holding members each move in an independently translational manner and abut on the subject.COPYRIGHT: (C)2014,JPO&INPIT【課題】音響波を検出する被検体情報取得装置において、保持プレートと被検体の接触面積を増大させて、音響波の信号強度の低下を抑制する。【解決手段】被検体から伝播する音響波に基づいて被検体情報を取得する装置であって、第一の保持部材と、第一の保持部材との間で被検体を保持する複数の第二の保持部材と、第一の保持部材を介して被検体からの音響波を受信する探触子と、複数の第二の保持部材を、それぞれ独立に並進して移動させて被検体に当接させる移動機構を有する被検体情報取得装置を用いる。【選択図】図1
