CPC A61N 5/1075 (2013.01) [A61N 2005/1076 (2013.01)] | 20 Claims |
1. A verification phantom, provided with a slot for holding a film, wherein the slot comprises a first slot and a second slot; an opening of the first slot and an opening of the second slot are both disposed on a first outer surface of the verification phantom; and an extraction groove is disposed at a junction, on the first outer surface, of the opening of the first slot and the opening of the second slot.
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