PROBLEM TO BE SOLVED: To provide a structure for improving assembly and radiation in an imaging element module incorporated in the distal end part of an endoscope.SOLUTION: An endoscope apparatus includes: an imaging element 59 incorporated in the distal end part 17 of the endoscope and receiving incident light from a subject a flexible circuit board 57 where the imaging element 59 and an imaging element driving circuit component 77, etc., are mounted and which is bent at a desired portion B1 and incorporated in the distal end part 17 of the endoscope and a flexible board 88 for radiation, which is fitted to a plurality of slits arranged in parallel at the desired portion B1 of the circuit board 57, so as to have thermal contact, and whose one end has thermal contact with a structure object 61 inside the distal end part 17 of the endoscope.COPYRIGHT: (C)2012,JPO&INPIT【課題】内視鏡先端部に内蔵する撮像素子モジュールの組み付け性と放熱性の向上を図ることができる構造を提供する。【解決手段】内視鏡先端部17に内蔵され被写体からの入射光を受光する撮像素子と59と、撮像素子59及び撮像素子駆動回路部品77等が実装され、所要箇所B1で折り曲げられ内視鏡先端部17に内蔵されるフレキシブルな回路基板57と、回路基板57の所要箇所B1に並列に設けられた複数のスリットに嵌合して熱接触され、一端側が内視鏡先端部17内の構造物61に熱接触される放熱用のフレキシブル基板88とを備える。【選択図】図3
