Electrocardiography TRIZ Cases
- Puncture Needle Synchronization with Heart Rhythm for Pericardial Access
A puncture needle retracts and projects relative to a protection member synchronized with heart pulse information.
- Implantable Device Adjusting Therapy via Myocardial Impedance
An implantable device measures myocardial impedance to determine perfusion status during tachyarrhythmia.
- Electrode Garment With Porous Mesh Reduces Skin Irritation
A wearable electrode garment uses a porous mesh layer to conduct electrical current while reducing direct adhesion to patient tissue.
- Flexible Film Sensor for ECG Monitoring
A flexible film sensor integrates into garments to establish reliable skin contact for electrocardiogram signals.
- Semi-random micropillar surface for implantable devices
An implantable device surface with a semi-random micropillar pattern prevents organized cell clusters and fibrous encapsulation.
- ECG Adapter System with Multi-Configuration Lead Receptacles
Segmented receptacles in an ECG adapter accept varying lead pin configurations, eliminating the need for multiple lead sets during clinical transitions.
- Baroreflex Sensitivity Measurement Using ECG and Pulse Wave Transit Time
A monitoring system calculates baroreflex sensitivity by synchronizing electrocardiogram signals with pulse wave transit times.
- Blood Pressure Monitor Using Pulse Course Reference Point
A blood pressure monitor determines values by identifying a reference point in the pulse course transition area from systole to diastole.
- ECG P-Wave Detection Using Composite Feature Classification
A computation processor identifies candidate P-waves in ECG waveforms by measuring specific amplitude and timing features.
- Peak Detection in Noisy Sequential Data Using Decayed Threshold Weighting
A decayed threshold function weights surrounding data points to identify probable peaks within segmented sequential signals.
- Sliding-Scale Cardiac Event Detection Using ST Segment Analysis
Segmenting cardiac data into discrete windows reduces device complexity while maintaining reliable ischemia prediction through dynamic thresholding.
- Heart Beat Detection Using Permissible Sequence Searching
A heart beat detection method segments cardiac signals and evaluates peak sequences against physiological constraints to identify valid rhythms.
- Automated ECG Analysis System for Precise P Wave Subdivision Measurement
An automated electrocardiography system detects subwaveforms within the P wave to enable precise cardiac parameter measurement.
- Implantable Wireless Cardiac Sensors for Minimally Invasive Monitoring
Wireless transceivers in implantable sensors transmit biological data externally, eliminating physical wires that cause infection and injury risks.
- Atrial Fibrillation Detection Using Combined Atrial Activity and Beat Interval Variation
Detects atrial fibrillation by merging P wave analysis with RR interval data, reducing false positives from irregular ventricular rhythms.
- Breathing Monitoring via Inverse Motion Signal Summation
Dual motion sensors capture body movement signals for processing.
- Multifunction Sensor Lid as ECG Electrode
Integrating a semiconductive sensor lid as an electrode detects heart activity without consuming device space or increasing noise interference.
- Cardiac Navigation Electrode Array Uniform Current Distribution
Segmented electrode arrays drive uniform current across orthogonal axes to reduce geometric distortion in three-dimensional cardiac navigation.
- Nested Mapping Catheter for Multi-Function Ablation
Nesting a mapping catheter inside a treatment catheter groove reduces device complexity and gas leak risks during cardiac procedures.
- Sleep Analysis System for Respiratory Therapy Adherence
A sleep analysis system processes respiratory therapy data to communicate usage insights directly to users.
- Fluid Connection Disruption Detection via Adaptive Multi-Mode Monitoring
Monitoring device segments detection into independent modes that switch based on false alarm counts, improving accuracy while managing complexity.
- Sensory Stimulus Headset for Fibromyalgia Symptom Management
A sensory stimulus headset delivers synchronized visual and auditory signals to manage fibromyalgia symptoms.
- Opportunistic User Context Sensing via Work Surface Contact
Work surface sensors capture ECG and PPG signals during natural device interaction to derive physiological metrics.
- Inwardly Bent Catheter Tip Preventing Pulmonary Vein Perforation
An inwardly bent distal tip section deflects radially to prevent contact with surrounding tissue during catheter navigation.
- Estimating Arterial Diastolic Pressure from Ventricular Waveforms
Estimate arterial diastolic pressure via ventricular waveform dP/dtmin analysis, resolving measurement reliability issues in hemodynamic monitoring.
- Implantable Device Detecting AMI via Segmented Physiological Monitoring
Segmented implantable device monitors physiological signals to detect acute myocardial infarction, resolving diagnostic ambiguity without delaying treatment.
- Respiration-Gated Shock Delivery for Subcutaneous Implantable Devices
Extra-vascular electrodes gate defibrillation shocks to respiratory phases, lowering energy requirements and device volume.