| 摘要 |
PROBLEM TO BE SOLVED: To sufficiently show serviceability by enlarging the degree of freedom at a photographing time. SOLUTION: In the device of the present invention, since a photographing place is changed by parallel movement of bothγ-ray detectors 1, 2 following conveyance of a C-shaped arm member 3 by an arm member conveyance mechanism 7 together with both first and secondγ-ray detectors 1, 2 along rail members 5, 6 disposed along the ceiling, the photographing place of an RI distribution image can be moved in a rail member disposition range on the ceiling. In addition, since bothγ-ray detectors 1, 2 for detectingγ-rays generated by a radioactive isotope administered to a specimen m are not arranged on a gantry as hitherto but arranged on one end and on the other end of the C-shaped arm member 3, an operator can access the specimen m during photographing, or another apparatus can be placed side by side, to thereby show serviceability sufficiently by enlarging the degree of freedom in the photographing time. COPYRIGHT: (C)2007,JPO&INPIT
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