PROBLEM TO BE SOLVED: To provide a magnetic shield device for a spinal cord induction magnetic field measuring system that can reduce a magnetic field noise.SOLUTION: The present magnetic shield device is a magnetic shield device used for a spinal cord induction magnetic field measuring system that applies an electric stimulation to a subject through electrodes attached to the subject and measures a magnetic field from the spinal cord of the subject induced by the electric stimulation with a magnetic sensor, and comprises: a magnetic shield cover that covers the electrodes and a fixing member that can fix the magnetic shield cover so that the magnetic shield cover and the magnetic sensor have a certain relative positional relationship.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2017,JPO&INPIT【課題】磁場ノイズを低減させることが可能な脊髄誘発磁界測定システム用の磁気遮蔽装置を提供すること。【解決手段】本磁気遮蔽装置は、被験者に取り付けた電極を介して前記被験者に電気刺激を与え、前記電気刺激で誘発された前記被験者の脊髄からの磁界を磁気センサで測定する脊髄誘発磁界測定システムに用いる磁気遮蔽装置であって、前記電極を覆う磁気遮蔽カバーと、前記磁気遮蔽カバーを、前記磁気センサとの相対位置関係が一定となるように固定可能とする固定部材と、を有する。【選択図】図2
