Electrocardiography TRIZ Cases

Implantable cardiac stimulation device modulates AV delay using respiratory phase signals to maintain intrinsic conduction and improve hemodynamic performance.

A personalized ECG monitoring system applies abnormal beat synthesis filters to normal heartbeats for real-time classification.

An integrated measurement mat replaces tangled cables with a foldable structure that ensures accurate electrode placement and reliable storage.

Sliding holders on a fixing part adjust position during movement, ensuring stable electrode contact and accurate heart rate detection.

A medical device illuminates the sternal angle with infrared and visible light pulses to detect oxygen saturation characteristics.

Automated chest compressor synchronizes compressions with detected ECG R-wave peaks to enhance cardiac output.

A processor-based system calculates cardiac beat timing relations to identify transitions between fast and slow irregular rhythm patterns.

Counting electrogram deflections and calculating spatial voltage gradients to identify cardiac activation times.

Segmenting the ventricle with multiple electrode pairs detects premature ventricular contractions during blanking periods, preventing harmful stimulation.

A ceramic header integrates electrode retention regions and plated traces to electrically couple components within an implantable medical device housing.

A system analyzes cardiac signals to detect rotational or focal activation sources using progressive angular deviation.

An intelligent bracelet integrates a MEMS medication injection device to automatically administer adrenaline upon detecting abnormal physical conditions.

Computational method reconstructs heart electric field from surface ECG data using varying tissue electroconductivity models.

Sorts RR intervals and discards extreme differences to calculate a variability value, reducing false positive detections from ectopic beats.

A mapping guidewire with sensing electrodes detects cardiac electrical activity to guide precise lead placement.

Segmented support arms prevent electrode clustering on the endocardial surface, maintaining uniform spacing for accurate cardiac rhythm mapping.

A moving average filter extracts individual ECG waveforms from baseline wander noise for direct feature extraction.

A phase singularity identification system uses a single-electrode catheter to calculate cardiac muscle cell phases via arctan 2 processing.

A head tilt motion assistance system detects user head orientation and provides notifications to guide specific tilting movements.

An embedded MRI tracking coil within the catheter electrode provides direct location measurement, eliminating multiple shaft devices that occupy valuable space.

An implantable device induces premature atrial contractions to monitor ventricular response and assess cardiac stress tolerance.

An ENIG cover blocks hydrogel ion migration to copper, preventing CuCl2 corrosion while maintaining electrical connections.

A systolic function index predicts left ventricular ejection fraction using heart rate and pulse timing.

Segmented irrigation ports cool the proximal electrode region while preventing excessive tissue heating and impedance rise.

Adaptive wearable applies dynamic multimodal stimulation to the neck and ear, resolving limited therapeutic effectiveness of static non-invasive protocols.

Implantable plethysmography sensors monitor arterial blood volume changes to predict impending myocardial infarctions.

An implantable defibrillator adjusts its detection threshold using a sensitivity function to identify ventricular events.

External electrodes monitor baseline and therapy electrical activity to identify effective pacing locations without invasive implantable devices.

Segmented electrodes with follower amplifiers minimize shunt conductance, enabling high-density impedance mapping and precise arrhythmia ablation.

Silicon-controlled rectifier clamp shunts defibrillation energy, replacing bulky gas tubes with compact solid-state protection.

Nano-porous catheters enable direct hemoglobin binding via diffusion, bypassing complex ECMO systems to reduce respiratory complications.

Segmenting emotional states from EEG signals reduces computational complexity while improving recommendation accuracy for real-time user experiences.

An implantable device estimates left atrial pressure using electrical sensing to replace invasive catheters and detect acute exacerbations.

A control system adjusts ultrafiltration rates using real-time physiological sensor data to optimize fluid removal during extracorporeal blood processing.

Camera and proximity sensors detect finger misalignment to guide correct placement, ensuring accurate blood pressure and oxygen saturation measurements.

A medical device applies over-torque to align its tip against tissue.

A subcutaneous cardiac monitoring system separates composite signals using non-electrophysiologic sensor data to identify cardiac activity.

A wearable system measures cortisol levels via electrochemical sensors and triggers thermoelectric stimulation to reduce stress.

A weighted combination of low-voltage resistance measurements estimates high-voltage defibrillation impedance in implantable cardioverter/defibrillator systems.

Dissolvable material releases the anchor to resist peristaltic movement while minimizing tissue trauma.

Comparing electrogram signals across electrode pairs identifies noise sources to prevent inappropriate therapy delivery.

A ring-shaped sealing element stabilizes the electrical connection between a medical electrode's holding element and conducting piece.

A ventricular assist device synchronizes pump speed with cardiac signals to improve blood flow assistance.

Sensing local and non-local cardiac signals adjusts atrioventricular delays dynamically, resolving fixed delay limitations.

Real-time heartbeat capture resolves temporal relevance loss from pre-recorded sounds, synchronizing signals with parent physiology.

A microneedle array uses light-to-heat transduction to melt embedded drugs on demand via digital signals.

Optical sensors monitor venous needle dislodgment without injecting current into the patient, eliminating grounding interference risks.