A connection part (trocker connection part 13x) of an imaging part (camera unit 11) that can be introduced into the body and a tubular instrument (trocker 31) that can be introduced into the body is provided on one end side, and a joint part (convex type) with the imaging part A support tube (13) having a joint portion 13y) on the other end side, a cable (camera side cable 12) connected to the imaging unit and passing through the support tube, and electrically connected to the cable, at least a display device (18) including a control system.体内導入可能な撮像部（カメラユニット１１）と、体内導入可能な管状器具（トロッカ３１）との接続部（トロッカ接続部１３ｘ）を一端側に有し、前記撮像部との接合部（凸型接合部１３ｙ）を他端側に有する支持管（１３）と、前記撮像部に接続し、前記支持管内を通るケーブル（カメラ側ケーブル１２）と、前記ケーブルに電気的に接続され、少なくとも表示装置（１８）を含む制御システムとを備える。
