Diagnostics Using Light TRIZ Cases
- Bio-information Estimation Using PPG Signal Segmentation
A processor extracts characteristic points from photoplethysmogram signals to estimate bio-information.
- Structured Light Scatteroscopy for Real-Time Tissue Imaging
Structured light scatteroscopy illuminates biological tissue with high spatial frequency patterns to extract scattering parameter maps independent of absorption.
- Breath Analysis Receptor with Concentration Preserving Partial Reflow
A contactless breath receptor uses partial reflow to preserve volatile substance concentration for infrared analysis.
- Photoacoustic Flow Cytometry for In Vivo Cell Detection
A tunable pulsed laser induces photoacoustic waves detected by ultrasound transducers to monitor circulating cells.
- Vibrating Ingestible Capsule for GI Medication Absorption
Synchronizing vibration timing with absorption windows increases drug uptake efficiency while reducing required dosages.
- Sleeping Mask Infrared Sensor Sleep Stage Detection
Infrared sensors detect eyelid reflection patterns to identify sleep stages, replacing bulky electrodes that cause discomfort and signal distortion.
- Handheld Near-Infrared Vessel Imaging System
A handheld near-infrared imaging system projects vascular maps onto skin using rotating mirrors and optical components.
- Bio Sensor With Replaceable Needle Module For Continuous Monitoring
A bio sensor apparatus uses a separable needle sensor module to enable continuous measurement of biological signals through the skin.
- Magnetic Resonance Jaw Imaging with Localizer Scan
Localizer scans identify the jaw region to optimize magnetic resonance parameters, reducing measurement time and staff requirements.
- Multi-Wavelength Reflectance Ratio for Stable Blood Vessel Depth
A multi-wavelength image capturing apparatus calculates reflectance ratios to determine internal object depth.
- Wearable Optical Sensor Signal Saturation Control
Dynamic measurement condition adjustment prevents signal saturation and maintains heart pulse detection accuracy while reducing power consumption.
- Sub-pixel Gap Overlap for Sensor Integration
Sub-sensor units overlap gaps between sub-pixels to reduce signal line count and improve sensing accuracy.
- RF Ablation Catheter with Optical Ports for Lesion Monitoring
Low coherence interferometry monitors lesion transmurality and continuity during radiofrequency ablation, reducing intervention time.
- Fluorescent Dye Nerve Localization in Prostatectomy
Fluorescent dye highlights cavernous nerves during surgery, resolving tissue distinction challenges to prevent unintended damage.
- Orthogonal Laser Entry Fluorescence Detector Assembly
An optical alignment assembly introduces a collimated beam orthogonally into a dichroic filter array for fluorescence detection.
- Intravital Observation Device Near-Infrared Imaging
A compact intravital observation device uses near-infrared light to image blood vessels and foreign materials inside living tissue without angiographic agents.
- Spectrum Measurement Temperature Drift Correction
Processor obtains light source temperature drift vector to correct analysis spectrum.
- Skin Erythema Detection in Light Irradiation Device
A light irradiation device uses an erythema detector to monitor skin color changes during treatment.
- Autonomous Vehicle Control Using Video Heart Rate Analysis
Video analysis extracts occupant heart rate to infer cognitive states for autonomous vehicle control.
- Optoacoustic Vein Oxygenation Probe for Non-Invasive Shock Diagnosis
An optoacoustic probe detects venous blood oxygenation through the skin using light and acoustic signals.
- Biometric Sensor Parameter Adjustment for Illumination Variance
A sensing unit adjusts exposure time and ADC gain coefficients to maintain consistent image clarity across varying ambient light conditions.
- Measurement Sensor Package with Recessed Substrate for Noise Reduction
A measurement sensor package uses recessed substrate regions to shield electromagnetic waves and reduce optical cross-talk.
- Noninvasive Posture Observer for Digital Human Simulation
A noninvasive posture observer reconstructs passenger actions in a digital human simulation environment using video-based observation protocols.
- Angiography and Phototherapy Device for AV Fistula Assessment
Infrared angiography and phototherapy modules share an optical filter to assess vascular structures while extending service life through targeted treatment.
- Diffuse Optical Flow Sensors for Pedal Perfusion Assessment
Diffuse optical flow sensors measure blood perfusion rates across foot angiosomes, replacing mechanical pressure cuffs that fail with edema.
- Portable Skin Condition Device Face Position Control
A portable skin condition device uses a distance sensor and processor to capture clear entire face images for accurate analysis.
- Near-Infrared Diffuse Photon Density Wave Wound Healing Assessment
Near-infrared diffuse photon density wave methodology measures tissue absorption and scattering coefficients to assess wound healing depth.
- Optical Blood Parameter Measurement with Pressure Validation
A measurement device combines optical and fluid pressure data from the same tissue site to determine blood parameters.
- Hyperspectral Laser Speckle Imaging for Blood Flow Measurement
Segmenting illumination into multiple beams with distinct wavelengths resolves interference patterns that obscure blood flow measurements in scattering tissue.
- Multi-Wavelength PPG Sensor for Non-Invasive Blood Glucose
A multi-wavelength PPG sensor measures optical densities to calculate blood glucose levels without invasive sampling.
- Multispectral Tumor Demarcation via Nonlinear Dimensionality Expansion
Nonlinear dimensionality expansion transforms multispectral fluorescence data into a higher-dimensional space for robust tumor segmentation.
- Optical Sensor Non-Parallel Light Beam Ratio Estimation
An optical sensor calculates light amount ratios from non-parallel beams to estimate object properties.