The present invention relates to a device for inserting a tracheostomy tube, comprising a guide element and a dilator, wherein the guide element has a shield, wherein, according to the invention, the guide element has a first securing means and the dilator has a corresponding second securing means, whereby the guide element can be detachably connected by positive locking to the dilator in a position in which a distal end of the dilator is engaged with an inner surface of the shield when the latter is in the first state.
