PROBLEM TO BE SOLVED: To provide an analyte information acquisition device, when performing photoacoustic measurement of an analyte having a possibility of body motion, acquiring highly accurate characteristic information by reducing influence of the body motion.SOLUTION: The analyte information acquisition device includes: an optical system applying light from a light source 101 to an analyte and causing the analyte to generate acoustic waves a probe 115 for receiving the acoustic waves transmitted from a measurement area in the analyte signal processing means 118 for acquiring characteristic information of the analyte using an electric signal and fixing means 124 disposed at a fixing area in the periphery of the measurement area in the analyte, and fixing the analyte at a position from which the probe can receive the acoustic waves transmitted from the measurement area.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2016,JPO&INPIT【課題】体動の可能性がある被検体を光音響測定する場合に、体動の影響を低減し、精度の良い特性情報を取得する。【解決手段】光源101からの光を被検体に照射して音響波を発生させる光学系と、被検体における測定領域から伝搬する音響波を受信する探触子115と、電気信号を用いて被検体の特性情報を取得する信号処理手段118と、被検体において測定領域の周囲の固定領域に配置され、探触子が測定領域から伝搬する音響波を受信できる位置に被検体を固定する固定手段124を有する被検体情報取得装置を用いる。【選択図】図1
