SENSOR FOR MEASURING DENSITY OF BIOLOGICAL FLUID MEDIUM AND/OR MEMBRANE RESISTANCE Russian patent published in 2017 - IPC A61B5/145 G01N9/00 

FIELD: medicine.

SUBSTANCE: invention relates to medicine, namely to medical equipment, and can be used for measuring density of biological fluid medium by non-invasive method. Sensor comprises pulse generator for pulse generation and pulse transmission on human skin. Temperature sensor for measurement of temperature near zone, in which pulse acts on human skin. Converter to receive pulse from human skin and generation of electric signal describing pulse rate depending on composition of biological fluid medium and skin elasticity using second law of Newton, F=m*a, where m is mass of presented fluid medium, a is its acceleration in m/s² at constant force F in newtons (N). Converter is connected to microprocessor, in which electric signal of converter is converted into relative density of above biological fluid medium. When processing electrical signal, microprocessor is configured to compensate change in density caused by temperature by means of mathematical algorithm, thus producing density at temperature set during calibration of sensor.

EFFECT: device provides higher reliability and accuracy of speed of glucose values changes.

7 cl, 19 dwg, 3 tbl