Patent ID: 6438302
Filing Date: 2002-08-20
Classification: A61B,G02B

Abstract:
An illuminating device for an endoscope system, said illuminating device emitting light toward a light receiving surface of an optical fiber bundle, light incident on the light receiving surface of said optical fiber bundle being emitted from a light emitting surface of said optical fiber bundle for illuminating an object, said illuminating device comprising:a plurality of light emitting elements, arranged in a substantially spherical concave configuration, a center of said spherical concave configuration being substantially on a central axis of the light receiving surface of said optical fiber bundle, each of said plurality of light emitting elements emitting a directive monochromatic light beam, the light beams emitted by said plurality of light emitting elements being incident on the light receiving surface of said optical fiber bundle within an angular aperture of the light receiving surface of said optical fiber bundle.