| 摘要 |
PURPOSE:To sufficiently illuminate the oral cavity of a patient, without increasing the quantity of light from a light source, to enable smooth medical treatments. CONSTITUTION:An oral cavity illuminating device includes a light source 3 and a light transmitting portion 4 connected to the light source 3, and the end face of an optical fiber provided at the emission end face 10 of the light transmitting portion 4 is divided so that illuminating rays of light of at least more than two angular apertures are emitted simultaneously. |
