FIELD: medical equipment.
SUBSTANCE: invention relates to medical equipment, namely to drug delivery devices. The device contains a cylinder for accommodating substance, a piston with the possibility of sliding movement in the cylinder, a power supply circuit for outputting input currents, an antenna fixed along the cylinder for receiving input current, creating inductive resistance together with the piston and outputting output currents in accordance with a position of the piston in the course of the piston, and an electrical circuit for processing data, made with the possibility of reception of output currents and determination of amount of substance inside the cylinder based on output currents.
EFFECT: obtaining a drug delivery device.
14 cl, 12 dwg
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