A device comprising: a lead (2) extending between a proximal end (8) and a distal end (6), the lead comprising, at its distal end portion, an electrode element (12) configured for fixing in a first body tissue, the lead further comprising: an anchoring element (15) disposed between the proximal and the distal end for anchoring the device to a second tissue and an elastic element (16) disposed between the anchoring element and the distal end and configured so as to permit the pulling of the distal end away from the anchoring element against the biasing force of the elastic element.
