Patent ID: 8517938

Claim:
A medical system comprising a central control unit configured to display a diagnostic measured value using a display element and an invasive unit comprising an invasive consumable, wherein the invasive consumable is configured to invasively intervene in a tissue of a patient, wherein the invasive unit has a contactlessly readable electronic identifier for storing a piece of information, wherein the central control unit is set up to electronically read said piece of information in the electronic identifier and perform an action responsive to said piece of information, wherein the central control unit and the invasive unit are functionally independent of one another such that the central control unit has a function which can be used by the user without the presence of the invasive unit and conversely the function of the invasive unit can be used by the user without the need for the central control unit to be present for this purpose, the respective function of the central control unit and of the invasive unit being capable of being performed independently of the presence of the respective other unit, wherein the central control unit has a measuring unit which is set up to use at least one test element to ascertain a concentration of an analyte in a body fluid, wherein the measuring unit is selected from the group consisting of an optical measuring unit and an electrochemical measuring unit.