Insertion Instrument for intrauterine system, which comprises a Handle having a longitudinal opening at a First End, where the opening has a longitudinal Axis that is parallel to the longitudinal Axis of the insertion instrument and comprises a First end and a Second extrem Or, a Slide which is movable,Located in the longitudinal opening and comprises a First end and a Second End, a Movable plunger, a plunger located around the insertion Tube, which comprises a First end and a Second End, the second End is connected to the slide, a fixation means The set of reversible intrauterine system with respect to the plunger,Through a string of clearance in the intrauterine system, wherein the fixing means is attached to the plunger, and can be controlled at least by a party or an extension of the Sliding Tube Insertion and / or mango.A typical insertion Instrument according to this Invention also comprises means for effecting the Movement, which comprises a rotating part which can rotate around a rotation Axis which is perpendicular to the longitudinal Axis of the insertion instrument, where the rOtat VAT is connected with the Plunger and functional way with the slide,So that the Sliding motion of the resulting simultaneous Movement of the Plunger and the insertion Tube along the longitudinal Axis of the insertion instrument, in the opposite direction.Instrumento de inserción para un sistema intrauterino, que comprende un mango que tiene una abertura longitudinal en un primer extremo, donde dicha abertura tiene un eje longitudinal que es paralelo al eje longitudinal del instrumento de inserción y comprende un primer extremo y un segundo extremo, una corredera desplazable que esté, localizada en dicha abertura longitudinal y que comprende un primer extremo y un segundo extremo, un émbolo móvil, un tubo de inserción localizado alrededor del émbolo, que comprende un primer extremo y un segundo extremo, donde el segundo extremo está unido a la corredera, un medio de fijación pa
