Analgesic neuromodulating device, with a modulating effect depending on the user's activity and position

The invention is a new implantable analgesic neuromodulating device comprising a casing (1) which houses at least one battery (6), one control and command circuit (2), and wherein said control and command circuit (2) is connected to one or more terminals (5), outside the casing (1), suitable for performing the neurostimulation, comprising a movement detection device or accelerometer (4) connected to said control and command circuit (2), and wherein said control and command circuit (2) analyses the signals generated by said movement detection device or accelerometer (4) and activates, interrupts or modifies administration of the neurostimulation.