RHEOPLETISMOGRAPH Russian patent published in 2000 - IPC

FIELD: medical engineering. SUBSTANCE: device has high frequency sinusoid current generator, current electrodes, low frequency filter and two channels. Every channel has two potentiometric electrodes and high frequency amplifier, detector and rheopletismogram amplifier connected in series. Every channel has access and storing device, comparing circuit and analog subtracter. Rheopletismogram amplifier output is connected to one of inputs of the analog subtracter and the storage unit input of the access and storage unit which output is connected to low frequency filter and comparison circuit connected to control input of the access and storage unit. EFFECT: enhanced accuracy of measurement; improved diagnosis quality. 2 cl, 1 dwg