PROBLEM TO BE SOLVED: To provide a subject information acquisition apparatus capable of suppressing photoirradiation from a gap between a photoacoustic probe and a cover.SOLUTION: A subject information acquisition apparatus includes: a light source a photoacoustic probe 4 that comprises an outgoing end 3b for applying light from the light source to a subject and a reception unit for receiving an acoustic wave generated from the subject irradiated the light a cover 10 for covering at least the outgoing end 3b of the photoacoustic probe 4 a shading member 11 that is provided inside the cover 10 and that fills a gap between the photoacoustic probe 4 and the cover 10 when the photoacoustic probe 4 is inserted into the cover 10 and a processor that acquires information within the subject on the basis of the acoustic wave.COPYRIGHT: (C)2014,JPO&INPIT【課題】光音響プローブとカバーの隙間からの光照射を抑制出来る被検体情報取得装置。【解決手段】光源と、光源からの光を被検体に照射する出射端3b、および、光を照射された被検体から発生する音響波を受信する受信部を含む光音響プローブ4と、少なくとも光音響プローブ4の出射端3bを覆うカバー10と、カバー10の内部に設けられ、光音響プローブ4がカバー10に挿入されたときに、光音響プローブ4とカバー10の隙間を埋める遮光部材11と、音響波に基づき被検体内の情報を取得する処理装置と、を有する。【選択図】図2
