#$%^&*AU2011205171B220131003.pdf#####C: NRPormbl DCOGRS 3796527.1.DOC-4/A/201 I Instrument and system for producing a sample of a body liquid and for analysis thereof Abstract 5 Instrument for producing a sample of body liquid for analysis by piercing the skin with a lancing element having a skin piercing tip. The instrument has a housing and a lancing drive for driving a lancing element connected thereto in a puncturing movement. A pressure ring surrounds a skin contact opening and is adapted for pressing against the 10 skin. The skin contact opening has an opening area corresponding to a circle with a diameter of at least 1.5 mm and at most 4 mm, and the instrument comprises a pressing force control device for controlling the pressing force between the pressure ring (1) and the skin at the time of triggering the puncturing movement, to be at least 3 N.
