Optical Biochemical Profiling for Non-Invasive Intoxication Detection

The patent replaces the mechanical invasive blood sampling system with a non-invasive optical measurement system. A probe containing light sources and detectors is placed on the skin to measure optical properties of tissue, which indirectly reflects biochemical concentrations including THC and its metabolites, eliminating the need for blood draws while improving measurement reliability through direct tissue analysis

The patent introduces optical properties (absorbance, reflectance, or transmittance) as an intermediary parameter to indirectly measure THC and THC-COOH concentrations. Instead of directly measuring blood concentrations, the system measures how light interacts with tissue, which serves as a mediator that reflects the presence and concentration of target analytes without requiring invasive sampling

The patent designs a universal optical measurement system that can detect multiple analytes (THC, THC-COOH, and other biochemical markers) simultaneously using the same basic principle of optical interaction with tissue. The system uses multiple light sources at different wavelengths and a spectrometer to capture broad spectral data, which can then be analyzed to identify and quantify various analytes, making the device multi-functional for different measurement applications

The patent segments the optical measurement process into distinct functional components: light sources emitting at multiple wavelengths, a spectrometer for spectral analysis, and processing units that analyze specific wavelength regions. This segmentation allows the complex measurement of multiple analytes to be broken down into manageable optical and computational steps, improving reliability through comprehensive multi-analyte detection