Patent ID: 8602969

Claim:
A capsule medical apparatus system comprising: a rotating magnetic field generation apparatus that generates a desired rotating magnetic field in three-dimensional directions; a capsule medical apparatus that is introduced into a living body, includes a magnet and a needle with which the capsule medical apparatus punctures a luminal surface by diagonally projecting and retracting the needle in a rotation direction of the rotating magnetic field that is perpendicular to a center of a longitudinal axis of a casing of the capsule medical apparatus, and rotates in a direction of the rotating magnetic field when the rotating magnetic field is applied to the magnet, wherein in a diagonally projected state the needle is inclined to an outside of the capsule medical apparatus with respect to a tangent line of the casing in such a manner that a leading end of the needle is turned along the rotation direction around a center of the longitudinal axis of the casing; a step-out operation detecting unit that detects, when the needle is diagonally projected toward the luminal surface to puncture the luminal surface, a step-out operation by which the capsule medical apparatus is inversely rotated at a rotating speed larger than a rotating speed of the rotating magnetic field after rotation of the capsule medical apparatus in the rotation direction of the rotating magnetic field is stopped; and a magnetic-field control unit that controls the rotating magnetic field generation apparatus on the basis of a detection result performed by the step-out operation detecting unit.