INSERTER

1 . An inserter for an intrauterine system comprising

a handle ( 3 ) having a longitudinal opening ( 8 ) at its first end, said opening ( 8 ) having a longitudinal axis parallel to the longitudinal axis of the inserter, a first end ( 8 a ) and a second end ( 8 b ),

a movable slider ( 5 ) arranged in said longitudinal opening ( 8 ) and having a first end ( 5 a ) and a second end ( 5 b ),

a plunger ( 2 ) attached to the handle ( 3 ) and having a longitudinal axis,

an insertion tube ( 6 ) having a first end, a second end and a longitudinal axis essentially parallel to the longitudinal axis of the plunger ( 2 ), the insertion tube being, along said longitudinal axis, movably arranged around the plunger ( 2 ),

a flange ( 4 ) arranged on the insertion tube ( 6 ) at its first end, characterized in that the inserter further comprises means for locking the slider ( 5 ) into a position showing the correct insertion depth for the intrauterine system, said means being adjustable with respect to the opening ( 8 ) of the handle.

2 . An inserter according to claim 1 , characterised in that the flange ( 4 ) is arranged to at least partially protect the intrauterine system before its insertion.

3 . An inserter according to claim 1 , characterised in that the means for locking the slider ( 5 ) comprises a self-locking button movable in a stepwise way.

4 . An inserter according to claim 1 , characterised in that it further comprises means for holding and guiding the removal strings of the intrauterine system during its insertion.

5 . A kit comprising an intrauterine system and an inserter according to claim 1 .