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Implementation of optical pulse densitometry sensor

Determining the rate of elimination of indocyanine green in the blood is the most informative way to evaluate liver function, supplementing standard methods for studying hepatic function. It is proposed to use optical pulse densitometry as a method of study. The paper presents the development of a non-invasive optical pulse densitometry sensor for measuring light absorption by a tissue at a specific wavelength, a signal processing system, as well as analysis of information on light absorption.