Diagnostics Using Light TRIZ Cases

A spectroscopy system uses displacement sensors to track detection area positions on moving skin and calculate a stable target spectrum.

Parallel photodetectors accumulate signals without resetting dead time, enabling efficient neural activity detection.

Continuous wavelet transforms analyze lightly filtered photoplethysmograph signals to extract respiratory effort data from patient physiological readings.

Safety circuits protect light sources from overheating to enable reliable quantitative tissue data collection.

Dual-wavelength illumination differentiates blood from background tissue reflectance, enabling sensitive detection of minute hemorrhages in the small intestine.

Arcuate optical sensor array maintains consistent tissue contact to measure biometric parameters on wearable rings.

Segmented photodiode groups and dynamic LED control improve measurement precision while managing energy consumption in wearable health monitors.

An optical sensor measures light intensity at distinct wavelengths to estimate body fluid volume through spectral analysis.

A stability module filters erroneous shape data from optical fibers using geometrical thresholds and spatio-temporal continuity checks.

A compact sensor module integrates micro-LEDs and a photodetector on a single semiconductor substrate for vital sign monitoring.

A pathogen detection apparatus integrates body temperature measurement with automated re-testing protocols.

An optical biopsy probe generates excitation emission matrices from scattered and fluoresced light to classify tissue.

A neurological screening device projects images onto retinas to capture reflected light, measuring eye fixation and oculomotor movements for objective brain function assessment.

A stacked sensor system with RFID transmission enables continuous wireless monitoring of heart sounds and core temperature.

A compact imaging system visualizes subsurface features using light interaction and projection.

A passive chemical sensor strip wicks bodily fluids to an optical interface for mobile device analysis.

A monitoring system intercepts electromagnetic radiation from intrabody regions to calculate dielectric changes and detect physiological patterns.

A device detects fluorescence from advanced glycation end products in blood vessels using an excitation light source and a dedicated detecting section.

Nested optical components in a compact skin diagnosing device head minimize reflected light interference while maintaining precise measurement accuracy.

A physiological signal feature extraction method averages correlated pulses into a template pulse to identify and extract features from well-shaped waveforms.

A tissue coagulation probe integrates an interferometric distance measuring device to track probe-tissue spacing during operation.

A biological information measurement device adjusts light emitting intensity via a controller to stabilize detection signals.

External optical sensors measure bladder volume through wall reflection, eliminating infection risks associated with invasive internal catheters.

Frequency component separation enables one sensor to acquire both facial-expression and bioinformation, reducing device complexity and weight.

A stationary transmitting probe and a moving receiving probe detect surface vibrations to resolve breast deformation trade-offs during scanning.

Dynamic channel selection in reflective optical sensors improves measurement accuracy while minimizing battery drain.

A combined imaging system uses a motion estimator to align photoacoustic and ultrasound data for simultaneous display.

A reflective member placed near the irradiation area captures light emitted from a test object to reuse scattered flux.

Pulse-echo ultrasound sensors classify body fat thickness to dynamically adjust sensitivity, resolving manual adjustment errors during labor monitoring.

Multiple source-detector combinations acquire independent photoplethysmography signals for wearable physiological monitoring.

A physiological sensor analyzes detected light signals to determine probe-off conditions.

A shared optical waveguide bundle routes light between a patient-facing display and an external camera, eliminating magnetic interference in MRI environments.

An optical system detects blink, vergence, and pupil status to determine eye strain levels in real time.

Hydrophobic coatings block humidity interference while porous matrices enable fast response times for accurate real-time breath and air quality monitoring.

An image processing system tracks fiducial markers on skin to detect tension variations, preventing follicular unit damage from inaccurate placement.

Auto-correlated carrier sequences modulate biological signals to isolate true data from ambient noise.

A CPR assistance system uses accelerometers and light sensors to monitor chest compression depth and rescuer hand release in real time.

An optical system analyzes transmitted and reflected light to monitor tissue state during electrosurgery.

A laser control method adjusts fluence and frequency during irradiation to improve treatment precision.

A nose-mounted physiological sensor uses a rotatable joint to secure against patient anatomy.

Self-aligning charging module uses magnetic electrodes with notches to resolve unstable wireless coil positioning and wired coupling inconvenience.

A wearable system uses holographic interferometry to detect blood pressure changes through refractive index variations in arterial blood.

Dual wavelength resonance Raman spectroscopy isolates carotenoid signals from strong background fluorescence for accurate noninvasive measurement.

A diagnostic kit regulates sample flow through a flow channel using a movement regulation unit and controller.

A flexible printed circuit assembly mounts emitter and detector arrays to conform to a user's head.

A polarizing filter isolates p-polarized light from subcutaneous tissues for accurate bilirubin detection.

Multi-photodetector wearable sensors detect subsurface vasculature alignment through distributed optical sensing.

Magnetic fields enrich rare cells in moving blood samples, overcoming low concentration limits and reducing detection time.