The present invention relates to an implantable probe comprising at least one conducting wire (39a, 39b, 39c, 40) and a connector (19), configured to be connected to an implantable medical device (10) of the cardiac stimulation device type, defibrillation or / and neuromodulation, and further comprising a tension reducing device (100, 200, 300, 400, 500, 600, 700, 800, 900) which extends longitudinally along an axis (C) from 'one end (31) of the connector (19) essentially in the longitudinal axis (A) of the connector (19) and which comprises at least one element (211, 219, 307, 313, 413, 415, 511, 515, 607 , 613, 709, 811a-c, 901a-c) with a deflection wall (215, 313a, 413a, 415a, 511a, 611a, 709a)； such that the conductor wire (39a, 39b, 39c, 40) is deflected by the deflection wall (215, 313a, 413a, 415a, 511a, 611a, 709a) of the tension reducing device (200, 300, 400, 500, 600, 700, 800, 900) so that the deflection wall (215, 313a, 413a, 415a, 511a, 611a, 709a) of the tension reducing device (200, 300, 400, 500, 600, 700, 800, 900) blocks the conductive wire (39a, 39b, 39c, 40) when the conductive wire (39a, 39b, 39c, 40) is stressed in tension； and the deflection wall (215, 313a, 413a, 415a, 511a, 611a, 709a) extends along an axis (P, P ', T) which is misaligned with the longitudinal axis (C) of the strain relief device (200, 300, 400, 500, 600, 700, 800, 900). The present invention also relates to a connector (19) for a probe (21) and to a method of manufacturing such an implantable probe (21) comprising a voltage reducing device (100, 200, 300, 400, 500, 600, 700, 800, 900).La présente invention se rapporte à une sonde implantable comprenant au moins un fil conducteur (39a, 39b, 39c, 40) et un connecteur (19), configuré pour être connecté à un dispositif médical implantable (10) de type dispositif de stimulation cardiaque, de défibrillation ou/et de neuromodulation, et comprenant en outre un dispositif réducteur de tension (100, 200, 300, 400, 500, 600, 700, 800
