Patent ID: 8435173

Claim:
An endoscope comprising: a distal-end adapter including: light emitting devices, the light emitting devices being arranged in a first surface of a substrate; an illumination optical system; the substrate for the light emitting devices including a first electric connecting unit for the light emitting devices, the first electric connecting unit being arranged in a second surface of the substrate; a support member for supporting the substrate; a first heat-conducting member through which heat generated by the light emitting devices is conducted; and an objective optical system constituting an observation optical system; and an insertion unit having a distal end portion from which the distal-end adapter is detachable, the distal end portion including: an image pickup device constituting the observation optical system; a second electric connecting unit which is electrically connected to the first electric connecting unit in the substrate; a second heat-conducting member through which the heat transferred through the first heat-conducting member is further conducted; and a heat-radiating member for radiating the heat conducted through the second heat-conducting member from the distal end portion in the direction toward a proximal end of the endoscope, the heat-radiating member including a bundle member formed by tying wires in a bundle with a binding member, each wire having a diameter of 0.1 mm or smaller.