Electrocardiography TRIZ Cases

A handheld ECG acquisition device monitors output signals from multiple receiving channels to detect invalid conditions and guide electrode placement.

Automated triage module prioritizes ECG records using waveform measurements and interpretive statements.

A delivery apparatus injects fluorescent dye into cardiac tissue using a protective fluid barrier to maintain high local concentrations.

Phase mapping and regional activation analysis pinpoint the precise core of rotational sources or origin of focal sources in complex heart rhythm disorders.

A wearable light therapy mask integrates pulse oximetry and electrodes to monitor physiological signals for automated sleep stage detection.

Position sensors classify patient posture to adjust ECG baselines, eliminating false alarms from position-induced waveform variations.

An automated analysis method classifies coronary artery occlusion locations using ST elevation patterns in electrocardiogram signals.

Segmented rigid shells and flexible elastomeric liners integrate embedded vibrators to reduce phantom limb pain while accommodating volume fluctuations.

Magnetic coupling mechanisms align bipolar electrodes on opposing atrial walls, preventing tissue perforation and esophageal injury during ablation.

A vestibular stimulation system creates illusory motions to modulate sleep stages and improve quality.

A multi-sensor fusion approach detects physiological changes using implantable sensors and processor modules.

A stability-of-propagation reserve metric combines refractoriness and memory reserves to assess arrhythmia susceptibility using standard ECG data.

Calibration circuitry compensates for skin-electrode coupling errors to improve measurement accuracy without invasive devices.

A microelectrode array system detects field potential signals from electrically active cell cultures to determine conduction velocity and arrhythmia burden.

A stimulation apparatus adjusts radiation frequency and duty cycle based on real-time electroencephalography signals.

A noninvasive blood pressure measurement device applies cyclic external pressure to track physiological parameters.

A magnetic element-equipped needle assembly enables precise 3D position tracking via integrated sensors within an ultrasound probe.

Time series analysis of cardiac heart beats detects seizure events, resolving insufficient detection reliability in neurostimulation therapies.

A position sensing unit calculates impedance to determine electrode location within a patient.

Low-power startup circuitry detects tissue contact to activate monitoring devices, eliminating manual switches and preventing false starts via removable liners.

Methanofullerene photoresists achieve sub-10 nm resolution while maintaining etching resistance, overcoming the trade-off between precision and robustness.

A pulsatile blood pump uses a magnetic bearing rotor and helical wings to deliver controlled kinetic energy.

A smart pneumatic coupler detects connections via pressure changes to trigger automatic device configuration.

A pulse oximeter uses a sigma point Kalman filter to estimate physiological parameters from noisy sensor data.

A defibrillator decision support module constructs dependency graphs of interdependent tasks to guide users through medical procedures.

Transforming time-domain ECG signals into frequency bands to determine treatment types for cardiac arrest victims.

Implantable device classifies arrhythmias using irregularity and complexity parameters derived from sample entropy to distinguish tachycardia from fibrillation.

A method quantifies respiratory sinus arrhythmia regularity from ECG signals to estimate anesthesia depth without specialized EEG equipment.

An EMG-based system isolates muscle spectral data to calculate T-squared values for seizure detection.

A reusable biosensor patch uses an asymmetric snap-fit to attach securely without rotation.

Segmented sealing zones with distinct material properties balance pressure distribution and comfort, reducing leaks in PAP therapy devices.

Comparing quadrature components detects electrode withdrawal into introducer sheaths, resolving voltage gradient distortion for accurate cardiac positioning.

Dual photoplethysmograph sensors combined with electrocardiogram signals calculate electromechanical delay for continuous monitoring.

Anisotropic bending stiffness restricts out-of-plane movement, ensuring consistent and predictable catheter tip placement during medical procedures.

Segmented protective liners enable controlled removal of adhesive and conductive gel covers, preventing misplacement during ECG sensor application.