Diagnostics Using Light TRIZ Cases
- Wearable PPG Sensor Contact Optimization via Feedback Control
Photoplethysmogram sensor analyzes signal quality to guide user wearing adjustments, resolving measurement accuracy versus signal distortion trade-offs.
- Spiral Optical Waveguide Arrangement for Spectrometer Crosstalk Reduction
A spiral-shaped optical coupling device directs excitation and measurement light through graded-index waveguides.
- Wearable Sensor Health Monitoring for Personalized Exercise Thresholds
A wearable sensor system detects physiological changes during physical activity to enable personalized exercise prescriptions.
- Theragnostic Endoprosthetic Spacer for Infection Monitoring
Endoprosthetic spacer integrates sensors and a controller to transmit real-time physiological data.
- Multi-functional Device Mount for Chronic Neural Access
Integrated device holder maintains fixed spatial orientation between optical and material stimulus channels.
- Correlated Light Valve and Detector Pixels for Non-Visible Feature Visualization
A light valve with individually addressable pixels correlates with detector pixels to reproduce captured images on a display surface.
- Shaving System Separating Hair From Substances For Health Monitoring
A shaving system separates body hair from adhering substances for mineral and pH analysis.
- Near-Infrared Hematoma Detection via Ratiometric Light Analysis
A portable near-infrared device distinguishes hematoma tissue from normal tissue using ratiometric light analysis at multiple penetration depths.
- Ingestible Medical Device Rotatable Sampling
Rotatable storage sub-unit aligns access ports with multiple chambers to collect detailed temporal and spatial GI data.
- Biometric Feature Extraction via Waveform Decomposition
Decomposes bio-signal waveforms into component pulses to extract features from characteristic points, resolving noise interference in mobile healthcare.
- Optical Pulse Wave Velocity Measurement Apparatus
Compact optical apparatus captures time-sequence brightness changes in living tissue images to calculate pulse wave velocity.
- Biometric Sensor Finger Placement Guidance
Processor analyzes reflected light signal to guide finger placement, ensuring accurate heart rate data collection without extra hardware.
- Self-Reference Point Blood Component Measurement Using Linear Image Sensor
A self-reference point method sets a skin reference using a linear image sensor to calculate blood component concentration from light intensities.
- Wearable Microfluidic Biofluid Capture and Sensing
Flexible substrates enable continuous sweat monitoring without mechanical fixtures, resolving comfort versus stability trade-offs.
- Airway Adaptor With Obstructable Nasal Cannula for Endoscopy
Removable cover on segmented nasal cannula blocks expiration flow to clear surgical path while maintaining oxygen supply.
- Analyte Measurement Using Material Status Analysis
Material status analysis determines water content to optimize wavelength selection, improving glucose measurement accuracy while reducing time.
- Optical Blood Loss Measurement Apparatus
Optical system distinguishes blood from gas using multi-wavelength detection, resolving visual estimation errors and improving transfusion accuracy.
- Optical Spectroscopy System Using Walsh Code Modulation
Time-divided spread spectrum codes boost light intensity while minimizing noise, enabling accurate hemoglobin concentration measurements.
- Optical Measurement Device for Skin Characterization
Segmented illumination devices probe skin layers at distinct angles to resolve measurement precision against device complexity.
- Wearable PPG Arterial Stiffness Measurement with Motion Artifact Correction
Inertial sensors filter motion artifacts from photoplethysmogram data, enabling accurate arterial stiffness measurement during user activities.
- Tissue Roughness Characterization via Laser Depolarization
Automated optical measurement system analyzes light scattering to characterize tissue roughness, eliminating manual pathology delays.
- Optical Isolation in Wearable Physiological Sensors
Opaque barrier walls optically isolate light sources from photo detectors in wearable sensors.