MULTIFREQUENCY BIOIMPEDANCE METRE Russian patent published in 2011 - IPC A61B5/05 A61B5/53 

FIELD: medicine.

SUBSTANCE: invention relates to medical equipment. Device contains successively connected measuring electrodes, instrumental amplifier, unit of detectors, unit of controlled filters, whose second inlet is switched to second outlet of unit of detectors, microcontroller, whose second inlet is connected to second outlet of unit of controlled filters, and third and fourth outlets - to third and fourth inlets of unit of controlled filters, and unit of generators, whose second inlet is connected to second outlet of microcontroller, and whose two outlets are connected with second and third inlets of unit of detectors, as well as unit of connection with PC, connected to fifth outlet of microcontroller, control unit, connected to its third inlet and current electrodes. Additionally introduced are programmed amplifier, whose first inlet is connected with first inlet of unit of generators, and second - with sixth outlet of microcontroller, unit of matching, connected to outlet of programmed amplifier, with its second outlet connected with first current electrode, signal resistor, whose first lead is connected with first outlet of unit of matching, and second - with second current electrode, current-voltage converter, whose two outlets are connected to leads of signal resistor, rectifier, whose inlet is switched to outlet of current-voltage converter, and outlet - to fourth inlet of microcontroller, and two digital-analogue converters, whose inlets are connected to seventh and eighth outlets of microcontroller, and outlets to fourth and fifth inlets of unit of detectors.

EFFECT: application of claimed device makes it possible to increase accuracy of carried out measurements.

4 cl, 4 dwg