This disclosure concerns a carrier system for a medical device worn on the body comprising a flexible carrier plaster which has a flat carrier layer and an adhesive coating thereon consisting of a pressure sensitive adhesive which adheres on the skin of a body part, and further comprising a platform which is positioned on the upper side of the carrier layer for mounting the device, wherein the platform has a bottom joining area which is joined to the upper side of the carrier layer by means of a structural adhesive which is applied as a bead along predefined adherend tracks.