A method of attaching a split ring electrode to a tube of a catheter, comprising: providing a tube (10) with at least one lumen (12), a side wall and at least one opening (14) in the side wall that provides communication between at least one lumen and the outside of the tube; passing an electrode conductor cable (16) through at least one lumen (12) and out of at least one opening (14) to expose a distal part of the electrode conductor cable (16); position the distal part of the electrode conductor cable (16) on an outer surface of the tube (10); mount a split ring electrode (22) on the outer surface of the tube (10) covering the opening (14) and the distal part of the electrode conductor cable (16); and which provides an electrically conductive adhesive (17) between the annular electrode (22) and the outer surface of the tube (10); characterized in that the electrically conductive adhesive is provided in the form of a film (28), and by heating the film (28) of the electrically conductive adhesive (17) to reflux.Un método para unir un electrodo de anillo dividido a un tubo de un catéter, que comprende: proporcionar un tubo (10) con al menos un lumen (12), una pared lateral y al menos una abertura (14) en la pared lateral que proporciona comunicación entre al menos un lumen y el exterior del tubo; pasar un cable conductor de electrodo (16) a través de al menos un lumen (12) y fuera de al menos una abertura (14) para exponer una parte distal del cable conductor del electrodo (16); posicionar la parte distal del cable conductor del electrodo (16) sobre una superficie exterior del tubo (10); montar un electrodo de anillo dividido (22) en la superficie externa del tubo (10) que cubre la abertura (14) y la parte distal del cable conductor del electrodo (16); y que proporciona un adhesivo eléctricamente conductor (17) entre el electrodo anular (22) y el superficie exterior del tubo (10); caracterizado porque el adhesivo eléctricamente conductor se proporciona en forma de pe