Patent ID: 9693750
Date: 2017-07-04
CPC Classifications: A61B

Claim:
1. An evaluation aid adapted to be used for taking a digital X-ray dynamic image thereof, wherein evaluation is carried out through the digital X-ray dynamic image, the comprising: a plate-like body including a plurality of regions having different X-ray absorption ratios, the plurality of regions provided side by side; at least one movable body having a plurality of wire rods, the movable body capable of moving with respect to the plate-like body so that the plurality of wire rods traverse X-ray with which the plurality of regions of the plate-like body is irradiated; and a driving portion which moves the movable body with respect to the plate-like body. wherein the plurality of wire rods are configured to sequentially pass through the respective regions of the plate-like body in a planar view of the evaluation aid.