1. A device for obtaining a sample of body fluid for analysis by piercing the skin with a piercing element (12) having a tip (7) for piercing the skin, said device (11) having a body (13), a drive (14) for piercing, located inside the housing (13), for attaching to the piercing element (12) and for driving the piercing element (12) attached to it during the piercing movement, in which the piercing element (12) after starting the piercing movement moves in the piercing direction , till it does not reach the maximum displacement point (P), and in the opposite direction after it reaches the maximum displacement point (P), the pressure ring (1) surrounding the hole (4) for contact with the skin and made to be pressed against the skin wherein the skin contact hole (4) has a hole area corresponding to a circle with a diameter of at least 1.5 mm but not more than 4 mm, and the device comprises a pressure force control device (37) for controlling pressure force between the pressure ring (1) and skin (3) while starting the piercing engine life, which should be equal to at least 3 N, preferably at least 4 N, and most preferably at least 5 N. 2. The device according to claim 1, in which the area of the hole (4) for contact with the skin corresponds to a circle with a diameter of at least 2 mm, preferably at least 2.5 mm. A device according to claim 1 or 2, wherein the pressure ring (1) is non-deformable. 4. A device according to claim 1 or 2, comprising a device (36) for collecting a sample, collecting the amount of sample liquid required for analysis, a pressing device (20) for1. Устройство для получения пробы жидкости тела для анализа посредством прокалывания кожи элементом (12) для прокалывания, имеющим наконечник (7) для прокалывания кожи, причем упомянутое устройство (11) имеет- корпус (13),- привод (14) для прокалывания, расположенный внутри корпуса (13), для присоединения к элементу (12) для прокалывания и для привода элемента (12) для прокалывания, присоединенного к не
