Patent ID: 7740599

Claim:
Device for receiving a body fluid for analytical purposes comprising: a container; at least one sample receiving unit for a single-use test that can be pushed out of a guide chamber of the container by means of a drive unit and to which the body fluid can be applied at a receiving site; wherein the container is designed as a magazine for storing a plurality of sample receiving units; a lancing unit constructed as a lancet is integrated in the sample receiving unit to carry out a lancing movement towards a body part of a test person; means for separately retracting the sample receiving unit and the lancing unit into the guide chamber; wherein the means for separately retracting the sample receiving unit and the lancing unit includes a double plunger incorporated into the drive unit; the double plunger having an inner plunger received inside an outer plunger in a telescoping manner; the sample receiving unit and the lancing unit each having holding claws configured to move in a clamping manner to couple the sample receiving unit to the drive unit for a forwards and backwards movement between the guide chamber and the receiving site; the guide channel having outer guide blocks positioned to clamp the holding claws of the sampling unit to the outer plunger when the outer plunger is extended; and the sample receiving unit having inner guide blocks positioned to clamp the holding claws of the lancing unit to the inner plunger when the inner plunger is extended.