A medical device for detecting at least one analyte in a body fluid, the medical device comprising: • at least one analyte sensor having an insertable portion adapted for at least partially being inserted into a body tissue of a user, • at least one insertion cannula, wherein the analyte sensor at least partially is placed inside the insertion cannula; • at least one housing, wherein the housing comprises at least one sensor compartment, wherein the sensor compartment forms a sealed compartment receiving at least the insertable portion of the analyte sensor, wherein the sealed compartment comprises at least one detachable upper cap and at least one detachable lower cap, wherein the detachable lower cap is configured for detachment before insertion, thereby opening the insertable portion for insertion, wherein the insertion cannula is attached to the detachable upper cap, wherein the detachable upper cap is configured for detachment after insertion, thereby removing the insertion cannula; • at least one electronics unit, wherein the analyte sensor is operably connected to the electronics unit, wherein the electronics unit comprises at least one interconnect device with at least one electronic component attached thereto, wherein the interconnect device fully or partially surrounds the housing; and • at least one insertion aid configured for enabling a user to drive the insertion cannula into the body tissue and to insert the insertable portion of the analyte sensor, wherein the insertion aid at least partially surrounds the housing, wherein the insertion aid comprises at least one frame displaceable on the skin of the user and which at least partially surrounds the housing, wherein the insertion aid further comprises at least one upper cover movable against the frame, wherein the upper cover is directly or indirectly coupled to one or both of the insertion cannula or the detachable upper cap, such that a movement of the upper cover against the frame drives the insertion cannula, characterised in that the insertion aid comprises a detachable lower cover mechanically coupled to the detachable lower cap, wherein the detachable lower cover comprises a half-shell surrounding the medical device, wherein the detachable lower cover is configured such that a removal of the detachable lower cover removes the detachable lower cap. • at least one analyte sensor having an insertable portion adapted for at least partially being inserted into a body tissue of a user, • at least one insertion cannula, wherein the analyte sensor at least partially is placed inside the insertion cannula; • at least one housing, wherein the housing comprises at least one sensor compartment, wherein the sensor compartment forms a sealed compartment receiving at least the insertable portion of the analyte sensor, wherein the sealed compartment comprises at least one detachable upper cap and at least one detachable lower cap, wherein the detachable lower cap is configured for detachment before insertion, thereby opening the insertable portion for insertion, wherein the insertion cannula is attached to the detachable upper cap, wherein the detachable upper cap is configured for detachment after insertion, thereby removing the insertion cannula; • at least one electronics unit, wherein the analyte sensor is operably connected to the electronics unit, wherein the electronics unit comprises at least one interconnect device with at least one electronic component attached thereto, wherein the interconnect device fully or partially surrounds the housing; and • at least one insertion aid configured for enabling a user to drive the insertion cannula into the body tissue and to insert the insertable portion of the analyte sensor, wherein the insertion aid at least partially surrounds the housing, wherein the insertion aid comprises at least one frame displaceable on the skin of the user and which at least partially surrounds the housing, wherein the insertion aid further comprises at least one upper cover movable against the frame, wherein the upper cover is directly or indirectly coupled to one or both of the insertion cannula or the detachable upper cap, such that a movement of the upper cover against the frame drives the insertion cannula,