| 摘要 |
PROBLEM TO BE SOLVED: To provide a heat radiation structure for the insertion part of an electronic endoscope providing sufficient heat radiation effect with a simple heat radiation structure even in a case where the insertion part is in thin diameter.SOLUTION: The heat radiation structure includes a cylindrical shield frame 25 of a metal, disposed in an inner conduit 23 of the insertion part 12, with an imaging element 31 located inside, and both front and rear ends open; a silicon agent S filled in the shield frame to fix the shield frame and the imaging element; a cylindrical coating member 38 comprising a flexible material bundling a plurality of signal lines 34 rearward extended from the imaging element; and a metal coil 40 wound around an outer periphery of the cylindrical coating member, with a front end part embedded in the silicon agent. |
