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 Sliding movable is 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 The slidingA fixing means for fixing a reversible intrauterine system in relation to the piston through a string of clearance in the intrauterine system, wherein the fixing means is coupled to the Plunger and can be controlled at least by a party or an extension of the correde Ra, the 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 So funcioanal VAT is connected with the piston and The slidingSo 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 está 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 para fijar de
