The medical device of the present invention, the subject a storage unit in which information about the pharmacokinetics in vivo pre-stored for each type of fluorescent agent, a plurality of information stored in the storage unit, fluorescent desired drug is administered to get the diagnosis start time based information and information of the target site of the method of administration to the subject part of the fluorescent drug desired, to, and information of the start of the administration time of the fluorescent drug desired, corresponding to the fluorescent agent desired an imaging unit that captures an arithmetic processing unit, an object within the object, a position information acquisition section which acquires position information of the imaging unit, the up diagnosis start time from the start of administration time, for exciting the fluorescent agent desired and stops the irradiation of the excitation light, and a, and a light source control section for controlling so as to irradiate the excitation light based on the position information and the diagnosis start time.本発明の医療装置は、生体内における薬剤動態に関する情報が複数の蛍光薬剤の種類毎に予め格納された記憶部と、記憶部に格納された情報と、所望の蛍光薬剤が投与される被検体の対象部位の情報と、所望の蛍光薬剤の対象部位への投与方法の情報と、所望の蛍光薬剤の投与開始時刻の情報と、に基づき、所望の蛍光薬剤に対応する診断開始時刻を取得する演算処理部と、被検体内の被写体を撮像する撮像部と、撮像部の位置情報を取得する位置情報取得部と、投与開始時刻から診断開始時刻までにおいて、所望の蛍光薬剤を励起するための励起光の照射を停止するとともに、診断開始時刻及び位置情報に基づいて励起光を照射するように制御を行う光源制御部と、を有する。
