| 摘要 |
PURPOSE:To invariably indicate a photographing area on the body surface of a sample person by providing a mirror reflecting a light flux emitted from a projector on the surface of a collimator mounted on the surface of a detector in a rotary type scintillation camera. CONSTITUTION:Lights from individual linear light sources 7 in projectors 5A, 5B, 5C and 5D are converted to a broad light flux parallel to the detection surface of a detector 1 with a slit pattern 8 and focused with a convex lens 9. The light flux is reflected from a mirror surface 4 of a square-cone-shaped projection 3A formed on the undersurface of a collimator 3 and reaches the body surface of a sample person arranged opposite to the detector 1 to present a linear image. The image becomes square in the shape showing the photograhing area surrounded in square. |
