The in-body surveillance camera system comprises a camera support tube (13), one end of which is introduced into the body, a camera unit (11) joined in the body with the camera support tube, a camera unit and a camera support tube A camera side cable (12) which is connected to the camera unit and is drawn out of the body through the camera support tube a control system which is outside the body and is connected to the camera side cable and includes at least a display device And a cooling system (77) for cooling the camera support pipe through which the heat of the camera unit is transmitted.本体内監視カメラシステムは、一方の端部が体内に導入されるカメラ支持管(13)と、カメラ支持管と体内にて接合されるカメラユニット(11)と、カメラユニットとカメラ支持管とを接合する接合部と、カメラユニットに接続され、カメラ支持管を通って体外へ引き出されるカメラ側ケーブル(12)と、体外にあり、カメラ側ケーブルに接続され、少なくとも表示装置を含む制御システムと、カメラユニットの熱が伝わるカメラ支持管を冷却する冷却システム(77)とを備える。
