Instrument for ultraviolet irradiation and ultraviolet irradiating apparatus
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United States of America Patent
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Jun 21, 2011
Grant Date -
Aug 31, 2006
app pub date -
Sep 20, 2005
filing date -
Sep 21, 2004
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Abstract
An instrument for ultraviolet irradiation includes a plurality of light-shielding filters each having different transmittances for ultraviolet radiation emitted from a light source for irradiating the skin of a patient with ultraviolet radiation, and a support member for supporting the light-shielding filters.
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