PROBLEM TO BE SOLVED: To provide a body surface installation type electrode capable of keeping the humidity of a skin surface that an electrode body contacts at a moderately high level in a stable manner, a method for measuring a biological signal using the body surface installation type electrode, and a device for measuring a biological signal equipped with the body surface installation type electrode.SOLUTION: [1] A body surface installation type electrode provided with an electrode body 1 having water permeability, and high molecule gel 2 impregnated with liquid which covers at least part of the electrode body, in which an electroconductive polymer is used as a material constituting the electrode body. [2] The body surface installation type electrode provided with a protective sheet 3 that covers the high molecule gel. [3] The body surface installation type electrode provided with an electrode body having water permeability, the electrode body being impregnated with water, glycerol or ionic liquid, in which an electroconductive polymer is used as a material constituting the electrode body.COPYRIGHT: (C)2015,JPO&INPIT【課題】電極本体が接する皮膚表面の湿度を安定して適度に高く保つことが可能な生体表面設置型電極、その生体表面設置型電極を用いた生体信号の測定方法、及びその生体表面設置型電極を備えた生体信号測定装置の提供。【解決手段】[1]水透過性を有する電極本体1と、前記電極本体の少なくとも一部を覆う、液体が含浸された高分子ジェル2と、が備えられ、前記電極本体を構成する材料として導電性高分子が使用されている体表面設置型電極。[2]前記高分子ジェルを覆う保護シート3が備えられた前記体表面設置型電極。[3]水透過性を有する電極本体が備えられ、前記電極本体に、水、グリセロール又はイオン液体が含浸されており、前記電極本体を構成する材料として導電性高分子が使用されている体表面設置型電極。【選択図】図1
