PORTABLE MULTIMODAL OPTICAL SPECTROSCOPY DEVICE FOR DIAGNOSING STATE OF MICROCIRCULATORY-TISSUE SYSTEMS OF HUMAN BODY Russian patent published in 2025 - IPC A61B5/1455 A61B5/26 G01N21/64 

FIELD: medicine.

SUBSTANCE: portable multimodal optical spectroscopy device for diagnosing the state of microcirculatory-tissue systems of the human body, comprising primary optical radiation sources, photodetectors with optical filters for detecting secondary optical radiation, unit for generating a Doppler signal with a signal divider, having inputs X and Y and an output Z = Y/X, a device for collecting and transmitting data to the unit for controlling and processing diagnostic results, characterized by that it contains drivers, connected by outputs to primary optical radiation sources, which are laser radiation source with wavelength of 850 nm and light-emitting diode with radiation wavelength of 365 nm, output of the first photodetector with an optical filter which transmits radiation with wavelength of 365 nm is connected to the X input of the additional signal divider, output of the second photodetector with an optical filter which transmits radiation with wavelength of 460 nm, is connected to the Y input of this signal divider, the outputs of the third and fourth photodetectors with optical filters transmitting radiation at wavelength of 850 nm are connected through said Doppler signal generating unit to the first of the parallel inputs of the collection device and data transmission, to the second, third and fourth inputs of which, respectively, are connected: Z output of additional signal divider, outputs of additional temperature sensor and accelerometer, wherein the data collection and transmission device comprises a unit for wireless transmission of data to said control and processing unit of diagnostics results.

EFFECT: higher accuracy and reliability of complex non-invasive investigations of the state of microcirculatory-tissue systems of the human body.

1 cl, 1 dwg