Respiratory Organ Evaluation TRIZ Cases

A video processing system reconstructs 3D surface maps from spatial distortions in a patterned thoracic region to estimate tidal chest volume and respiration rate.

A load detector system classifies body movements to adjust respiratory rate output values based on motion type.

A transcutaneous vagus nerve stimulation device adjusts pulse parameters using real-time physiological detection.

Asymmetric antenna gains create unequal Doppler shifts for body movement cancellation while preserving vital sign detection.

Analyzing tracheal breath sound power spectral features differentiates obstructive sleep apnea patients from healthy controls without overnight polysomnography.

A breath sampling mask uses a MEMS gyroscope to detect head angular displacement and generate alarm signals for real-time user feedback.

Local anomaly detection filters ECG data before transmission, reducing bandwidth usage while maintaining reliable monitoring coverage.

A peripheral pulse wave detection system extracts sub-signals for respiratory rate estimation.

A smartphone adapter captures color changes on a chemical detector surface to measure exhaled CO2 concentration.

An electrochemical test strip detects Helicobacter pylori via pH changes in exhaled breath samples.

A breath sampling tip with a cheek-inserted tube isolates the sample from saliva and tongue interference to improve measurement reproducibility.

Outflow openings in the sample collector prevent backflows and dynamic pressures, improving measurement accuracy.

Switching impedance measurer modes compensates for contact impedance, maintaining measurement accuracy despite reduced electrode size.

A patient monitoring system segments photoplethysmograph signals using fiducial points to isolate respiratory information from pulse wave morphology.

Load detectors calculate center of gravity position to differentiate body motion from respiration, reducing mistaken notifications.

Graphene varactors use non-covalent surface modification for volatile organic compound detection.

Audio sensor determines end-of-breath timing to resolve sampling accuracy versus device complexity in handheld analyte detection.

Gated chemical exchange saturation transfer imaging resolves coarse spatiotemporal resolution limits in cardiac pH analysis.

A non-linear adaptive filter removes cardiac artifacts from impedance respiration signals by tracking heart rate changes.

A method combining multiple interval length estimation techniques to process physiological rhythm signals accurately.

Dual heating elements on an electrochemical sensor eliminate temperature gradients, enabling faster operational readiness and accurate measurements.

An ultra-wideband radar collar resolves surface reflection noise to deliver accurate respiratory and cardiac monitoring without physical contact.