Patent ID: 8641605
Filing Date: 2014-02-04
Classification: A61B

Abstract:
1. An endoscope comprising: an elongated insertion portion inserted into a subject; an operation portion provided in a linked manner on a proximal end side of the insertion portion; an illumination portion for supplying illumination light for illuminating the subject, the illumination portion being provided in the insertion portion or in the operation portion; an image pickup portion for picking up an image of a region to be inspected of the subject, the image pickup portion being provided in the insertion portion or in the operation portion; a display device including a display portion on which an endoscope image of the region to be inspected picked up by the image pickup portion is displayed and a frame body for holding the display portion, the display device being connected to the operation portion; a light source driving circuit for supplying electric power to drive the illumination portion and cause the illumination portion to emit illumination light, the light source driving circuit being provided on a rear surface side of the display portion in an interior portion enclosed by the display portion and the frame body of the display device; and a rear surface, disposed on a surface of the frame body opposing a disposition surface of the frame body on which the display portion in the display device is disposed, configured as a heat conducting portion through which heat generated from the light source driving circuit in the interior portion of the display device transfers from the interior portion side and through which the transferred heat is radiated from an outer surface of the frame body by heat transfer.