DEVICE FOR MIXING AND DOSING DONOR BLOOD Russian patent published in 2004 - IPC

FIELD: medical engineering. SUBSTANCE: device has movable platform for arranging polymer container for taking blood sample. It has main tube, drive for swinging the platform, unit for controlling taken blood quantity, unit for constricting container tube provided with electromagnet, timer, commutation unit and electric power supply source like accumulator battery with recharge unit. Electromagnet winding is connected via the timer to commutation unit output which control input is connected to control unit output. Unit constricting container tube has base, end piece fixed on pin, pressing spring, two rods and electromagnet latch built of plate (rod) fixed on rotation axle, trigger lever and holding spring. The pressing spring is mounted between the rod and movable electromagnet core. The movable electromagnet has shelf for positioning the plate (rod) of the latch. Slit is available in the constricting unit base for receiving end piece. EFFECT: reliability in constricting tube after having taken blood sample. 3 dwg