Apparatus analytical measuring device with auxiliary drilling.

System for determining the presence or content of an analyte in blood, which system comprises a measuring device (1) for measuring and indicating changes in a characteristic property of a test element, correlated with the analyte, wherein the measuring device (1) has a side (a) of the measuring device (1), and a test element for analyzing a blood sample to be introduced by said side a in the measuring device (1 ) or is made available to the measuring apparatus (1) for the a side, and an auxiliary device punch (2) for obtaining blood from a body part of a proband, wherein the auxiliary device to perforate (2) has a side (a) of the auxiliary device punch (2) through which can be inserted a lancet by-side in the auxiliary device of drilling, and the measuring apparatus and the auxiliary device to perforate are directly attached ent re itself although puedendesmontarse, so that the auxiliary device punch (2) is arranged essentially laterally next to the measuring apparatus (1), so that when the auxiliary device to drill and measuring apparatus used in connected state, the side (a) of the measuring instrument and side (a) of the auxiliary device punch (2), are turned toward the body part which is desired blood, and are accessible to said body portion.