1. Lancet device for bloodletting, comprising a housing (2, 102, 202, 302, 402, 502, 602, 702, 802) for accommodating components of the specified device, containing a receiver (118, 218, 318, 418, 518, 618, 718 , 818, 918) a lancet for connecting the specified device with a lancet (123, 223, 323, 423, 523, 623, 723, 823), at least one elastic element (105, 305, 505, 905) for acting on the lancet receiver by means of elastic force, and a driving device (4) for causing movement of the lancet receiver, the connection between the lancet receiver and the lancet being made in the possibility of changing it by means of a mounting and / or feeding device (114, 214, 314, 414, 514, 614, 714, 814, 914, 1014), and the receiver (118, 218, 318, 418, 518, 618, 718, 818 , 918) the lancet is made with the possibility of its deformation by moving the fastening and / or feeding device in the longitudinal direction (L) of the receiver (118, 218, 318, 418, 518, 618, 718, 818, 918) of the lancet and by placing the fastener and / or a feeding device in at least one cavity of the lancet receiver, characterized in that it is directly on the fastening and / or feeding device (114, 214, 314, 5 14.614, 714, 814, 914, 1014) there is a manual push rod (6, 106, 206, 306, 406, 506, 606, 706, 806, 906, 1006) .2. The device according to claim 1, characterized in that the part (116, 216, 316, 416, 516, 616, 716, 816, 916, 1016) of the fastening and / or feeding device (114, 214, 314, 414, 514, 614 714, 814, 914, 1014) is made wedge-shaped with the possibility of changing the cross section of the lancet receiver by interacting with a part (119, 219, 319, 419, 519, 619) of this lancet receiver. 3. The device according to claim 2, characterized in that the receiver (118, 218, 318, 418, 518, 618, 718, 818, 918) of the lancet is at least partially made in the form of a tube, and part of it (119, 219, 319, 419, 519,1. Ланцетное устройство для кровопускания, содержащее корпус (2, 102, 202, 302, 402, 502, 60
