Medical device 1, being introduced by internal 101, the image pickup device contacting the body wall 102 of 2 which is detained and internal 101, the detention fixed part the observation direction control section the plural operation wires 26 which operate 3 where modifies the observation direction of 5 which it detains locks in body wall 102 and image pickup device 2 and observation direction control section 3 from external side - 29 and, has image pickup device 2.医療装置1は、体内101に導入されて留置される撮像装置2と、体内101の体壁102に接触して撮像装置2を体壁102に留置固定する留置固定部5と、撮像装置2の観察方向を変更する観察方向制御部3と、観察方向制御部3を体外側から操作する複数の操作ワイヤ26~29と、を備える。
