An operation unit for controlling a bending direction of the insertion portion and the insertion portion to be inserted into the subject, an imaging unit for imaging the subject, is connected to the insertion portion, the endoscope is connected to the operating unit a protrusion protruding a graspable grip portion, so as to form an acute angle to the insertion portion side with respect to the central axis of the insertion portion provided in the grip portion and perpendicular to the acute angle is provided with the projecting portion along with I am and a cable for transmitting a signal corresponding to the imaging unit and the switch portion that is positioned at an angle, is connected to the grip portion.内視鏡は、被検体内に挿入する挿入部と、被検体内を撮像する撮像部と、挿入部に接続されるとともに挿入部の湾曲方向を制御する操作部と、操作部に接続されるとともに把持可能な把持部と、把持部に設けられ挿入部における中心軸に対して挿入部側に鋭角を成すように突出する突出部と、突出部上に設けられるとともに鋭角に対して垂直を成す角度に配置されたスイッチ部と、把持部に接続されるとともに撮像部に対応する信号を伝送するケーブルと、を備えている。
