The medical imaging device 11 images observation light from an observation site in the subject. This medical imaging device 11 is inserted into a subject, and the first observation light and the second observation included in the observation light from the scopes 2 and 3 that take in and emit observation light from the observation site in the subject. It is shared by a plurality of types of optical path separators 5 and 6 that respectively guide light along different optical paths, and a plurality of types of optical path separators 5 and 6, and is detachably attached to the plurality of types of optical path separators 5 and 6. And an imaging device 7 for imaging the first and second observation lights respectively guided by the connected optical path separation devices.医療用撮像装置１１は、被検体内の観察部位からの観察光を撮像する。この医療用撮像装置１１は、被検体内に挿入されて当該被検体内の観察部位からの観察光を取り込んで射出するスコープ２，３からの観察光に含まれる第１観察光及び第２観察光を互いに異なる光路に沿ってそれぞれ導光する複数種類の光路分離装置５，６と、複数種類の光路分離装置５，６に共用され、当該複数種類の光路分離装置５，６に着脱自在に接続し、接続された光路分離装置にてそれぞれ導光された第１，第２観察光をそれぞれ撮像する撮像装置７とを備える。
