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`(54) Title: PHOTORADIATION DEVICE AND PHOTORADIATION THERAPY/PROPHYLAXIS DEVICE COMPRISING
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`(57) Abstract: This photoradiation device comprises a light emission unit Which projects irradiation light, a reflection unit which re-
`flects the irradiation light, and a light guide unit which guides the reflected irradiation light to a subject to be irradiated. The light
`guide unit further comprises a first light guide face and a second light guide face. The reflection unit further comprises a first reflec -
`tion unit which reflects a portion of the irradiation light to the first light guide face, a second reflection unit which reflects entering
`light to the second light guide face, and a third reflection unit formed from a main body unit which disposes a translucent unit and
`which reflects a portion of the remaining irradiation light to the second reflection unit as the entering light. The translucent part side
`of the third reflection unit is positioned oblique to the light emission unit, and the third reflection unit fLu‘ther comprises a configura-
`tion wherein the closer the translucent unit of the third reflection unit is to the light emission unit, the greater the quantity of translu -
`cent light of the irradiation light. A photoradiation device is thus implemented which illuminates a plurality of irradiation surfaces
`with a Single light emission unit.
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