Abstract: The present invention relates to a surgical coupling device for detachably connecting a handpiece end to a portion of a surgical instrument, the handpiece end being provided with a recess into which a coupling portion of the instrument can be detachably slid, an interior wall of the recess having formed thereon a locking recess with which a snap type element can be brought into detachable engagement that is supported on the instrument, characterized in that the snap type element is formed on a double-sided rocker which extends substantially in axial direction and has one end on which the snap type element is arranged and has its other end in engagement with a pivot element.