Patent ID: 7957785

Claim:
A disposable waterproof bioelectrode comprising a plurality of electrode pads to be attached on a living body and a plurality of waterproof lead wires respectively connected to said plurality of electrode pads with one-to-one relation, said plurality of waterproof lead wires being formed integrally, wherein each of said plurality of electrode pads comprises: a waterproof base member having an adhesive contacting surface and a hole substantially at a center thereof, a waterproof seal member having a notch substantially corresponding to a sectional shape of one of said plurality of waterproof lead wires in order to prevent water from entering from said one of said plurality of waterproof lead wires, wherein said waterproof seal member fixes said one of said plurality of waterproof lead wires to a back surface of said waterproof base member, wherein said back surface is opposite to said adhesive contacting surface, while covering the hole such that a detection electrode provided to a distal end of said lead wire is exposed through the hole of said waterproof base member, and a conductive gel arranged on said adhesive contacting surface of said waterproof base member to come into contact with said detection electrode, and wherein said plurality of waterproof lead wires comprises: a base film which is common to said plurality of waterproof lead wires and an electrode pattern is provided on one of an upper surface and a lower surface of the base film, and an upper foam material and a lower foam material each made of a water non-permeable flexible insulating material respectively provided on the upper surface and the lower surface of the base film.