Diagnostics Using Light TRIZ Cases

Radar detects chest displacement to extract inter-beat intervals, resolving the trade-off between measurement precision and ease of operation.

Processor extracts features from second-order differential bio-signals to estimate health metrics.

Blackout element blocks ambient light interference to improve brightness measurement precision.

A mobile device accessory with interchangeable adaptors aligns test strips with the camera and light source for optical analysis.

Multi-wavelength LED modules irradiate tissue to derive light signals for glycated hemoglobin concentration calculation, replacing invasive blood sampling.

A living-body information measuring device uses dual light-emitting units to capture reflected or transmitted beams for physiological data.

A cyanotic infant sensor uses a light-absorbing surface to constrain mean pathlength ratio variations.

Applied force alters skin tissue structure to reduce subcutaneous fat interference, enabling accurate noninvasive glucose measurement.

Spectral imaging decomposes mixed signals to isolate target compounds, reducing autofluorescence interference for accurate deep tissue detection.

A dental caries diagnosis device uses a non-contact head portion and optical filtering to isolate examination light from external noise.

Geometric compression eliminates pressure sensors and procedural complexity, enabling reliable radial artery puncture without expensive ultrasonic equipment.

Segmented spectral analysis replaces complex full-spectrum birefringence to monitor collagen denaturation, reducing treatment time and safety risks.

Reference point sensors detect signals from reference marks on a subject's surface to maintain consistent measurement position despite body movement.

Pulse wave sensor extracts time-based features from optical signals to estimate blood glucose levels.

A low-power time-to-digital converter architecture uses a gated ring oscillator to measure photon arrival times.

Electronic device detects electrode signals and generates guidance data to correct patch attachment position.

An electronic device estimates blood glucose and lipid values non-invasively by analyzing pulse wave patterns, reducing the need for invasive blood sampling.

Integrates physiological readings with body posture to resolve limited state awareness in existing biofeedback systems.

A suppression processor reduces non-target blood vessel contrast in electronic endoscope images using narrowband illumination and color signal processing.

Opaque isolation component between sensor and emitter blocks stray light in wearable devices.

A needle coated with radiation scattering material enables real-time detection of internal anatomical structures during medical procedures.

A multidimensional visualization system generates virtual surgical reference indicia aligned with real-time eye imaging.

A composite light source system combines continuous and discrete sources to enhance spectral measurement points.

Digital spatial filter procedure compensates for light intensity variations to isolate speckle patterns and reduce false signals.

Gold nanoshells on bacteria convert laser light to heat for targeted elimination of multidrug-resistant strains while providing optical tracking signals.

A heart rate detection apparatus extracts waveform characteristics to determine user state and calculate values rapidly.

Augmented reality glasses convert near-infrared diagnostic data into visible images for direct optical overlay on the surgical field.

A light sensor converts transmitted light into image signals to generate photo-plethysmography maps for blood flow analysis.

Segmented grazing angle illumination improves measurement precision without increasing device complexity.

Segmented light sources illuminate multiple fingers to resolve insufficient fingertip brightness and enhance authentication accuracy.

A medical image processing apparatus discriminates malignancy degrees to prioritize and emphasize abnormal regions on a display.

Unified controller eliminates separate assemblies to resolve control complexity while conserving breathable gas and handling contaminants.

A laser speckle microrheometer system uses interferometric coherence-gating to acquire depth-resolved optical data from biological tissue layers.

Multi-angle one-dimensional transducer arrays detect elastic waves, resolving sensitivity unevenness and high device complexity.

A wound analysis system uses multi-spectral imaging to classify tissue types and calculate blood oxygen concentration.

A non-invasive urine measurement system uses a hydrophobic collection cavity and optical fluid sensors to detect volume changes automatically.

An organic photodiode biometric sensor employs an elastomer light path to improve reception efficiency and reduce power consumption for heart rate monitoring.

Integrating light radiating and receiving modules into one tip simplifies device configuration while minimizing thermal damage during skin diagnosis.

A display device generates pulse wave signals using sub-pixels and a photo-sensor to calculate blood pressure information.

A fiber optic catheter transmits electromagnetic radiation to measure backscattered light intensity for precise distal tip location.

Segmenting illumination into multiple narrowband rays allows simultaneous acquisition of vascular depth and oxygen saturation data.

A speckle-based optical system measures tissue damping parameters through coherent illumination and acoustic stimulation.

Adaptive emitter adjusts illumination to optimize signal detection, resolving lighting variability issues in contactless patient monitoring.

A wearable device tracks abdominal orientation and physiological parameters to provide personalized feedback.

A stimulation device uses an electrode probability matrix to map finger motion to electrodes via Bayesian posterior probabilities.

A wearable device tracks abdominal orientation and blood oxygen levels to estimate clinical risk during pregnancy.

A conforming animal mold immobilizes small subjects in a geometrically defined position for optical imaging.

Ultrasound tissue thickness measurement improves noninvasive glucose monitoring accuracy while reducing device bulk for continuous patient care.

A biometric sensor selects light emitting elements based on detected wearing state to optimize measurement accuracy.