Patent ID: 6497653
Filing Date: 2002-12-24
Classification: A61B

Abstract:
A probe of an endoscope, comprising:a cylindrical tube that has a distal end in which an objective lens is disposed; a light guide fiber bundle housed in said tube, a first end portion of said light guide fiber bundle, which is positioned in said distal end, being formed in a solid cylinder, said light guide fiber bundle supplying illumination light to said distal end; and an image guide fiber bundle housed in said tube, a second end portion of said image guide fiber bundle, which is positioned in said distal end, being formed in a solid cylinder, said image guide fiber bundle transmitting an image of an observed object obtained by said objective lens; the outer radius â€œaâ€  of said second end portion and the outer radius â€œbâ€  of said first end portion satisfying 0.545&lE;a&lE;0.581, 0.419&lE;b&lE;0.455, and a+b=1 â€ƒwherein the inner radius of said tube is supposed to be 1.