PROBLEM TO BE SOLVED: To provide a human body model capable of getting an image acquired by a medical device closer to an image of a living body lumen which is technically acquired while suppressing degradation of reproducibility in observation and measurement.;SOLUTION: A human body model 2 comprises: a body part 3 which has a lumen 35 penetrating between a first plane and a second plane disposed at a side opposite to the first plane; and a shell 5 which is formed of a material different from a material of the body part 3, and which is disposed at least in a part of the lumen 35. The acoustic impedance of the material of the shell 5 is identical to the acoustic impedance of the living body lumen. The hardness of the material of the body part 3 is harder than the hardness of the material of the shell 5.;SELECTED DRAWING: Figure 5;COPYRIGHT: (C)2019,JPO&INPIT
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