PROBLEM TO BE SOLVED: To provide a device for acquiring information on an analyte by using an acoustic wave, in which accuracy of information acquisition is improved on the basis of temperature information on an acoustic matching material.SOLUTION: An analyte information acquisition device includes: a probe 002 comprising a conversion element 003 that receives an acoustic wave generated from an analyte 001 and propagating and converts the received acoustic wave to an electric signal a holding container 010 for holding an acoustic matching material 004 that performs acoustic matching between the analyte and the probe a drive mechanism 011 for changing relative positional relation between the probe and the analyte a temperature measurement unit 005 for measuring temperatures at a plurality of locations of the acoustic matching material a reconfiguration processing unit that acquires a sound velocity in the acoustic matching material on the basis of the temperatures at the plurality of locations and acquires characteristic information on the analyte on the basis of the sound velocity and the electric signal and an information processing control unit 007 for controlling the reconfiguration processing unit, the drive mechanism, and the probe. The information processing control unit uses an analyte information acquisition device that controls acquisition of the characteristic information by the reconfiguration processing unit on the basis of difference information on the temperatures measured at the plurality of locations.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2017,JPO&INPIT【課題】音響波を用いて被検体の情報を取得する装置において、音響整合材の温度情報に基づいて情報取得の精度を向上させた装置を提供する。【解決手段】被検体001から発生して伝搬する音響波を受信して電気信号に変換する変換素子003を備える探触子002と、被検体と探触子を音響的にマッチングさせる音響整合材004を保持する保持容器010と、探触子と被検体の相対的な位置関係を変化させる駆動機構011と、音響整合材の複数の箇所の温度を計測する温度計測部005と、複数の箇所の温度に基づいて音響整合材の音速を取得し、音速と電気信号に基づいて被検体の特性情報を取得する再構成処理部と、再構成処理部、駆動機構および探触子を制御する情報処理制御部007を有し、情報処理制御部は、複数の箇所において計測された温度の差分情報に基づいて再構成処理部による特性情報の取得を制御する被検体情報取得装置を用いる。【選択図】図1
