Electrocardiography TRIZ Cases

Implanted blood pumping device synchronizes with cardiac cycle to reduce secondary pulmonary hypertension in heart failure patients.

Segmenting the very low frequency component of heart rate variability into fatigue and concentration bands improves estimation accuracy without adding sensors.

An ejectable micro-needle tray collects blood samples for glucose analysis, enabling multi-parameter monitoring in a compact wearable device.

A heart rate calculating section removes invalid peaks from heartbeat waveform signals based on detected exercise status changes.

A personalized audio signal generation system adapts sound parameters to a user's psychological state.

Disposable ear sensors transmit real-time physiological data to a mobile device, automating triage prioritization in mass casualty scenarios.

Dual tracking elements compensate for motor noise and catheter flexibility to improve surgical navigation precision.

Wavelet analysis of inter-lead variability suppresses false ventricular tachycardia alarms without requiring additional physiological waveforms.

A wearable external pacemaker detects bradycardia and QT prolongation while delivering real-time pacing therapy.

A non-contact PPG sensor measures pulse and blood pressure through clothing by dynamically adjusting light intensity to prevent signal saturation.

Pivotable cover plates adjust automatically to finger size, eliminating uneven force and user discomfort during measurement.

A gas supply warning system monitors pressure and flow anomalies to trigger automatic switching between primary and reserve reservoirs.

Flat conductive adhesive electrode eliminates protrusions to resolve connection instability and signal noise.

An adjustable ECG sensor uses a clip-based connector to size the leadwire length for each patient.

Pulling members guide spines into expanded baskets, resolving deployment reliability issues for accurate heart tissue mapping.

A programmable circuit generates a nested user interface with adjacent waveform regions for electrocardiograph signal analysis.

Solid-state endoscope uses offset optical axis and f-sin-theta lens to gather wide-angle images.

LED indicators on ECG cable leads provide real-time signal quality feedback to physicians.

A leadless pacing device detects attachment stability using electrode impedance and mechanical motion sensors.

Automated electrode selection uses resynchronization metrics to resolve complexity trade-offs in cardiac pacing optimization.

External compression occludes carotid arteries to divert emboli, avoiding invasive intravascular trauma.

A delivery system with a deployable guide and positioning element defines a stable operative path for precise ablation device placement.

A hemodialysis monitoring system tracks the second derivative of relative blood volume to detect intradialytic morbid events during fluid removal.

A Lorenz plot analysis of ventricular cycle lengths generates cluster signature metrics to detect and discriminate atrial fibrillation from organized tachycardia.

Methanofullerene derivatives enable negative-tone photoresists that resolve sub-10 nm features while maintaining etching resistance.

Signal sensing gloves embed metal bodies to acquire ECG, heart sounds, and blood volume pulse data for mobile terminal processing.

Segmenting high-frequency ECG signals into distinct portions enables real-time ischemic event detection while managing signal processing complexity.

A device measures and induces perturbations in intra-cardiac filling pressures to determine optimal volume status.

A PPG sensor triggers upon voltage detection between sensing electrodes to measure blood volume changes.

Elastic filaments form an open lattice structure that expands to five times the catheter diameter for reliable electrode contact.

A negative pressure wound therapy sensor detects patient activity by monitoring fluid path pressure changes to enable continuous remote monitoring.

A server filters parent physiological data within safe thresholds to maintain infant comfort while preserving parental connection during NICU isolation.

An implantable sensor detects arterial wall motion to derive systolic and diastolic pressure values.

A noninvasive system estimates atrial signals by applying constrained independent component analysis to surface electrocardiogram data.

Heart valve signals enable precise cardiac time interval detection using tri-axial accelerometers and source separation algorithms.

Moveable conductive elements adjust wire length to minimize excess slack, preventing tangling and detachment during patient monitoring.

Integrated cannula electrodes measure impedance to control blood flow, preventing heart damage from excessive assistance.

A bio signal acquisition unit generates a reconstruction signal based on a personalized patient pattern to eliminate motion artifacts.

Anchoring devices with nested delivery catheters secure cardiac sensors across anatomical variations while enabling minimally invasive retrieval.

Replacing optical LEDs with a piezoelectric vibration sensor reduces power consumption while enabling high-resolution continuous pulse waveform analysis.

An optical sensor system detects heartbeat frequency in extracorporeal blood conduits using light transmission through flowing fluid.

Reconstructs cardiac magnetic fields into virtual electrocardiographic channels to resolve the trade-off between high spatial resolution and device complexity.

Computing device analyzes pulse volume waveform metrics to predict hypovolemic hypotensive conditions.

Flexible membranes prevent fluid ingress during axial movement.

An actuator dynamically compensates for electrode displacement detected by an accelerometer, reducing motion artefacts in ECG measurements.

Sternal electrode placement and nested sensing arrays resolve the trade-off between minimal device volume and high-fidelity P-wave signal fidelity.