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.