Diagnostics Using Light TRIZ Cases

An optical clarity sensor measures tissue properties using multiple frequencies to adjust electrosurgical energy generation.

A bio-signal measuring sensor uses a cover with a central transmitting area and edge non-transmitting areas to detect scattered and reflected optical signals.

Central controller applies altitude-specific thresholds to wearable blood oxygen readings, preventing delayed altitude sickness detection.

Three-mode optical sensing unit detects biological electromagnetic fields using integrated light-emitting elements and photodetectors.

A method determines light transmittance through oral tissue samples by measuring power at entry and exit surfaces.

A birefringent element decomposes light into multiple focal lengths via polarization modulation without mechanical movement.

A spectrometer assembly uses a stack of alternating dielectric and metal layers to reduce angular sensitivity.

A sensing module detects unit pixels with excessive leakage current to deactivate faulty elements.

A bio imaging system uses photo-detecting elements with different absorption peak wavelengths to detect scattered light from internal tissues.

Periodic self-mixing interferometry sensing detects respiration data while controlling electromagnetic radiation exposure to sensitive nasal and eye tissues.

A pulsed laser skin treatment device uses acoustic and optical feedback to detect contact state between the light exit window and tissue.

A Fourier camera moves a variable aperture filter across multiple positions in the Fourier plane to capture raw intensity images for computational synthesis.

Automated water discharge positions zebrafishes on transparent well bottoms, eliminating manual handling damage and contamination risks.

Filters motion artifacts from PPG measurement signals using aggregated noise data to resolve vehicle vibration contamination.

A living body identification device uses spaced light sources and photosensitive elements to capture reflected optical signals for biometric data.

A system aligns high-resolution two-dimensional scans with lower-density three-dimensional data cubes for spatial context.

A folded wiring substrate design enhances mechanical strength and flexibility for electronic devices.

Muscle sensors trigger electroactive elements in an adaptive sleeve to apply variable force, reducing blood flow restriction during rest.

Chamfered corners on a rigid probe holder replace rubber pads, reducing attachment pain while preserving measurement accuracy for young subjects.

Merging optical, impedance, and ECG modalities resolves the contradiction between diagnostic precision and device complexity.

High-power electromagnetic pulses excite subsurface conductive structures to emit detectable response signals for precise localization.

A battery-powered optical detector analyzes breath condensate light reflection to identify coronavirus presence without biochemical reagents.

Continuous non-invasive blood pressure monitoring analyzes localized signal changes to identify sleep events without subject disturbance.

A contactless system uses light to capture artery images and calculate pulse transit time for continuous blood pressure measurement.

A system uses optoelectronic sensors to detect and characterize aerosol particles via light scattering patterns.

Miniature camera inside MRI bore transmits images via optical fiber to avoid electromagnetic interference.

Thermal energy elongates septa without mechanical cutting, reducing bleeding and bruising while maintaining treatment effectiveness.

Multi-view optical imaging corrects tissue scattering and absorption by combining sequential illumination with spectral analysis for accurate depth estimation.

Remote calibration server updates local database parameters to correct individual variation errors in non-invasive pulse wave blood pressure monitoring.

Replacing active voltage sources with a pre-charged capacitor reduces noise and power consumption in wearable brain interface photodetectors.

Vacuum suction secures the probe to tissue, resolving inconsistencies in contact quality that degrade measurement precision.

A physiological detection device uses a polarizing layer and single photon avalanche diode to verify skin attachment before measurement.

Normalizing physiological signals to a predetermined range enables independent analgesia monitoring, resolving inter-patient variability in balanced anesthesia.

Optically encoded nanoparticles emit unique fluorophore signals to identify multiple target biomolecules simultaneously in a single step.

Sensor generates pixel data from fingerprint images to acquire pulse wave signals for bio-information extraction.

A medical probe with a curved main body and adjustable hook part transmits position signals to an optical tracking system.

Fluorescent dye tracking resolves the trade-off between non-invasive assessment and measurement precision by quantifying lymph flow velocity.

A dual-mode biosensor combines optical and radiofrequency radiation to detect glucose concentration in biological materials.

A global coordinate system registers robotic arms with optical coherence tomography to position surgical tools inside the eye.