PROBLEM TO BE SOLVED: To provide an electrode indwelling system capable of securely and easily attaching an electrode part to linear tissue of a living body.SOLUTION: An electrode indwelling system 1 includes an insulating member 11 formed in a sheet shape with elastic material, the electrode arranged in an inner surface of a curve when the insulating member is in the curved shape, a connection part 19 fixed to a base end side of the insulating member and capable of connecting the electrode to power supply, and has an electrode part 10, formed so that at least a tip part is curved in a natural state where external force is not applied, and a treatment tool 30 for the electrode having a pair of supporting pieces 31, 32 arranged to face each other and an engagement surface 38a arranged between a pair of the supporting pieces and facing a tip side, and the length in a direction in which the curve is elongated in the electrode part where the curve is extended and becomes a flat shape, is configured to be longer than the length from the engagement surface to the tip of the supporting piece.COPYRIGHT: (C)2013,JPO&INPIT【課題】生体の線状組織に確実かつ容易に電極部を取り付け可能な電極留置システムを提供する。【解決手段】電極留置システム1は、弾性材料でシート状に形成された絶縁部材11と、絶縁部材が湾曲した形状のときに湾曲の内側となる面に設けられた電極と、絶縁部材の基端側に固定され電極を電源に接続可能な接続部19と、を有し、外力が作用していない自然状態で少なくとも先端部が湾曲するように形成された電極部10と、互いに対向するように配置された一対の支持片31、32、および一対の支持片の間に配置され先端側を向く当接面38aを有する電極用処置具30と、を備え、湾曲を伸ばして平坦形状になった電極部における湾曲を伸ばした方向の長さは、当接面から支持片の先端までの長さより長く設定されている。【選択図】図6
