PROBLEM TO BE SOLVED: To provide a phantom which is approximated to light propagation characteristics and sound propagation characteristics of human tissue as well as capable of detecting absorbers even by an ultrasonic diagnostic apparatus and adjusting oxygen saturation.SOLUTION: There is provided a phantom in which a phantom base material 11 includes therein light absorbers 12a-12d which are approximated in an optical absorption coefficient ratio of biological tissue of at least two wavelengths and the light absorbers 12a-12d have different sound propagation characteristics from the phantom base material 11.COPYRIGHT: (C)2015,JPO&INPIT【課題】人体組織の光伝播特性および音響伝播特性に近似するだけではなく、超音波診断装置でも吸収体を検出可能であり、更に酸素飽和度の調整も可能なファントムを提供する。【解決手段】ファントム母材11内に光吸収体12a~12dを有し、光吸収体12a~12dが、少なくとも2波長における生体組織の光吸収係数比を近似し、且つファントム母材11と光吸収体12a~12dの音響伝播特性が異なるファントム。【選択図】図1
