Electrocardiography TRIZ Cases

An integrated catheter placement system combines ultrasound imaging with magnetic field tracking to guide the catheter tip accurately within vasculature.

A medical device discounts ECG data during chest compression transitions to improve defibrillation decision accuracy.

An MR imaging system automatically determines orientation-dependent cardiac timing parameters to synchronize image acquisition with the heart cycle.

A single conduit multi-electrode pacemaker expands radially to position electrodes in the triangle of Koch and bundle of His zones.

Steering control apparatus uses coaxial cylindrical drums to manage wire tension for precise catheter tip positioning.

An active pill transmits wireless signals to an external reader for precise ingestion verification.

Heart rhythm pattern analysis detects electrocardiogram synchronization between subjects to quantify social relationship strength.

A sleep monitoring device uses a breathing light and biological radar to track physical signs.

Inductive tubing eliminates bulky hardwired connections by transmitting power and signals through electromagnetic induction within the gas delivery path.

Replacing static thresholds with dynamic rate-of-change detection identifies slow tachyarrhythmia episodes missed by traditional cutoffs.

Comparing far-field electrograms to marker channels classifies oversensing types, reducing inappropriate arrhythmia therapies.

Smart tip LVAD inlet cannula uses real-time pressure and volume data to prevent ventricular collapse while maintaining adequate blood flow.

A detection system computes an atrial activity score from cardiac signals to verify atrial fibrillation episodes.

Determining the arterial tree time constant from long time scale variations allows accurate cardiac output monitoring without invasive catheterization.

A shoe-mounted sensing unit uses gyroscopes to monitor foot movement and transmit real-time data for immediate biofeedback.

Open catheter with multiple sensors obtains sensor potentials to determine physiological information for internal body surfaces.

A flexible conductive cap creates a mechanical lock and electrical contact on a printed circuit board stud.

Side openings in a nested coolant conduit redirect saline flow laterally to prevent hot spots and reduce thrombus formation during radiofrequency ablation.

Reconstructs cardiac electrograms using boundary element methods applied to unipolar chest surface recordings.

A blood pump control system generates pulsatile flow by converting ECG signals into drive commands for the motor.

A biological sensor system compares data from multiple body parts to detect adverse conditions through differential measurements.

A medical device system classifies candidate pacing electrode sites by comparing cardiac signal morphology against stored templates.

Automated screening system compares transcutaneous ECG beat rates with optical or acoustic heart rate measurements to assess patient suitability.

Statistical analysis and spectrum processing remove movement interference noise to maintain measurement precision during subject motion.

A non-contact cardiac mapping method uses a multi-electrode catheter to measure electrical signals while spaced from the endocardium surface.

Integrates electrical and mechanical signal processing to assess myocardial stability.

A disposable electrode set with three sensors defines two linearly independent directions to measure potential differences.

Integrated ECG monitoring ASIC resolves signal-to-noise trade-offs by combining analog front-end processing with digital memory storage.

Hemodynamic sensors detect atrial fibrillation by analyzing ventricular contraction irregularities to resolve signal reliability issues.

A flexible printed circuit conveys bioelectric signals and energy within a catheter body.

A compact cardiography device integrates ECG electrodes and an acoustic sensor for single-handed operation.

A blood pressure monitoring apparatus calculates pulse wave propagation time and accelerated pulse wave parameters to determine measurement needs.

Sensor systems verify merchandise identification data against databases to reconcile inventory counts, resolving accuracy issues from misplaced items.

Body-conducted signal transmission verifies data ownership without complex local processing, reducing power consumption and device costs.

Intermediary capacitor blocks shunt resistor thermal noise while enabling separate measurement path for common-mode current rejection.

Transbrachial bioimpedance calculates the second time-derivative of impedance variation to resolve thoracic interference and improve measurement precision.

A magnetic resonance imaging apparatus displays setting images of patient and radio frequency coil configurations to guide precise positioning.

A conductive array in an electrode communication device merges multiple lead wires into a single assembly, reducing tangling and damage during patient movement.

A single-chamber heart stimulator uses far-field electrocardiogram detection and signal averaging to differentiate cardiac rhythms.

Segmented leadless sensors transmit continuous data to eliminate bulky external monitors.

Laser dispersion elements activate chemistry reservoirs to generate precise odors, eliminating scent interference and reducing deployment costs.

Analyzing features of cardiac electrical signals during high-energy stimulation polarization prevents unnecessary pacing and reduces pro-arrhythmic risks.

A mapping processor analyzes filtered electrogram signals to determine morphology sharpness and characteristics during cardiac procedures.

Dynamic adaptation of amplifier gain and filter settings prevents saturation from motion artifacts in contactless physiological monitoring.

Atrial fibrillation detecting device calculates pulse rate, amplitude dispersion, and interval dispersion from acquired pulse data.

Surface electrodes detect anterior and posterior cardiac signals to evaluate electrical heterogeneity, avoiding implantable device complexity.

Replacing analog circuits with digital filters removes pacing stimulus artifacts from electrophysiological signals, improving measurement precision.

Electrical activity monitoring guides a steerable capture device to the left atrial appendage, avoiding transseptal penetration risks.

A subcutaneous medical device uses adaptive signal processing to detect cardiac events across multiple sensing vectors.

Fast Fourier Transform converts pulse waveforms into energy spectra to extract heart indexes, enabling atrial fibrillation detection without hospital equipment.