The connector (2) has a casing (23) provided with walls (9b, 10b, 11b, 12b) defining a reception cavity (4) of a male connector. Contact fingers are extended in a parallel manner to the walls (10b, 11b) and cooperate with contact clamps of the male connector, where the fingers are made of brass. Insulation partitions (27) project from the walls (10b, 11b) towards an interior of the cavity, and are placed between the contact fingers, where the insulation partitions are made of a dielectric material or polyamide. An independent claim is also included for a medical system for acquiring electrical signals, comprising electrodes and a connection device.
