Capsule medical device guidance system 1 according to the present invention, the magnetic field generated the magnetic attractive force in the vertical direction of the resultant force in the liquid buoyancy of the capsule endoscope 10, the magnetic attractive force and the vertical direction of gravity is substantially zero a first magnetic gradient setting unit 46 for determining a magnetic gradient of the first magnetic gradient was applied to the magnetic field generating section 2 a magnetic field having a magnetic gradient of the first when the guiding instruction information is not input by the operation input unit 7 I is applied to the magnetic field generating unit 2 the applied magnetic field and magnetic gradient that corresponds to the derived instruction information input from the operation input unit 7 to the magnetic gradient of the first when the guiding instruction information is input by the operation input unit 7 I and a magnetic field setting section 48.本発明にかかるカプセル型医療装置用誘導システム1は、カプセル型内視鏡10の浮力、重力および鉛直方向の磁気引力の液体中における合力がほぼ0となる鉛直方向の磁気引力を発生させる磁界の磁気勾配を、第1の磁気勾配として求める第1磁気勾配設定部46と、操作入力部7によって誘導指示情報が入力されない場合には第1の磁気勾配を有する磁界を磁界発生部2に印加させ、操作入力部7によって誘導指示情報が入力された場合には第1の磁気勾配に操作入力部7から入力された誘導指示情報に対応した磁気勾配を加えた磁界を磁界発生部2に印加させる磁界設定部48とを備える。
