Diagnostics Using Spectroscopy TRIZ Cases

Dual-wavelength optical sensing estimates rigid tooth thickness above the pulp, avoiding X-rays and reducing unintended pulp exposure.

Correlating Raman and PPG signals enables precise non-invasive glucose measurement while reducing tissue variability and calibration burden.

Visible-light compensation removes skin reflection from UV images, enabling faster, accurate fluorescence measurement without costly optical filters.

Combined multi-wavelength optical and photoacoustic sensing reveals veins, nerves, and bone in real time to guide safer surgery.

Power packets push glucose molecules toward the skin surface, enabling continuous non-invasive spectroscopic glucose monitoring with less pain and infection risk.

Multiple LEDs, sensors, and an optical shield enable non-invasive hemoglobin and skin constituent measurement with less melanin interference.

A wireless NIRS probe uses multiple source-detector spacing to track tissue perfusion continuously while reducing motion-related false alarms.

Real-time monitoring of implanted analyte sensor performance predicts delamination and remaining functional life despite variable body response.

Optical fiber gratings detect temperature and shape to localize catheter tips without X-ray exposure or electromagnetic interference.

Microwave heating paired with infrared radiometry assesses skin and deep tissue perfusion without RF interference or invasive probes.

Non-invasive spectral imaging detects subsurface tissue damage before visible skin breakdown, enabling targeted pressure ulcer prevention.

A Raman probe and predictive model enable continuous, non-invasive hypoxia detection without fetal blood sampling delays.

Electromagnetic radiation modulates cancer cell signaling to promote apoptosis and improve immune recognition while avoiding complex intervention systems.

Selected laser wavenumber groups and modulation improve photoacoustic glucose detection in skin by reducing spectral interference and overheating.

Robotic arms and sensors apply artist-selected tattoos with consistent precision, reducing booking delays and pain.

Simultaneous NIRS sensing across multiple muscles reveals hemodynamic thresholds, oxidative limits, and oxygen delivery constraints during cyclical locomotion.

Near-infrared sensing built into a surgical stapler measures tissue perfusion during clamping, enabling real-time force adjustment before stapling.

Combined fetal EEG and NIRS sensing on the scalp improves intrapartum detection of oxygen delivery and tissue hypoxia beyond heart rate monitoring.