Electrocardiography TRIZ Cases
- Ablation Catheter Pulse Rate Feedback Control
Feedback mechanism compensates for pulse-driven cooling to prevent artery wall damage.
- AV Drive Rhythm Discrimination via Atrial Ventricular Interval Analysis
A controller circuit measures atrial and ventricular depolarization intervals to classify tachyarrhythmia episodes as ventricular or supraventricular.
- Non-adhesive EKG Electrode Diaper Attachment
Non-adhesive electrodes attach to diapers instead of skin, preventing chemical dermatitis and skin trauma while maintaining signal quality.
- Wearable Blood Pressure Sensor CPAP Attachment Detection
A wearable blood pressure sensor detects CPAP mask attachment status to prompt user correction via display and vibration feedback.
- Physiological Signal Measuring Device Impedance Correction
Multi-frequency impedance measurement calculates skin-electrode interference to correct physiological signal distortion during movement.
- Implantable System Dominant Frequency Analysis Tachycardia Treatment
Dominant frequency analysis of electrogram signals guides anti-tachycardia pacing or shock delivery, reducing unnecessary myocardial damage from defibrillation.
- Epicardial Cardiac Mapping Device with Expandable Support
Expandable support members anchor mapping electrodes to the epicardium, resolving unstable positioning caused by heart movement and blood flow.
- 3D Vector Loop Analysis for Micro Scar Detection in ECG
Three-dimensional vector loop analysis quantifies micro scars in cardiac electrical activity patterns.
- Respiratory Apparatus Aerosol Containment and Oxygen Conservation
A respiratory support apparatus recirculates expiratory gases to conserve oxygen.
- ICD Arrhythmia Discrimination via AV and VA Conduction Assessment
A cardiac defibrillator discriminates ventricular from supraventricular tachycardia using atrioventricular and ventriculoatrial pacing bursts.
- Ventricular Assist Device Speed Modulation for Aortic Valve Control
Modulating rotary blood pump speed measures native heart response to set optimal mean speed, preventing vessel collapse while ensuring aortic valve opening.
- Wearable EMG and FHR Sensor for Non-Invasive Labor Monitoring
Replacing bulky wired equipment, this wearable patch uses electromagnetic sensors to enable continuous non-invasive monitoring of labor progression.
- Multi-port Infusion Controller with Automatic Vial Switching
A multi-port container assembly detects liquid levels and triggers a flow controller to switch infusion tubes automatically.
- Wireless Patient Sensor Local Processing for Battery Conservation
Local calculation of physiological parameters by a wireless patient sensor reduces battery power consumption and wireless network congestion.
- Adjustable AV Delay Mechanism for Ventricular Tachyarrhythmia Detection
An adjustable atrioventricular delay mechanism modifies pacing intervals to prevent under-sensing of intrinsic ventricular contractions.
- Implanted Medical Device Vibration Alarm Self-Testing
Accelerometers measure vibration alarm displacement in implanted devices, enabling objective assessment of transducer reliability and failure detection.
- Dual Channel Probe for Cerebral Spinal Fluid Volume Control
A dual channel probe system manages cerebral spinal fluid volume through active drainage and volume changing elements.
- Reflective Power Monitoring for Microwave Tissue Ablation
A microwave generator controller measures reflective power to adjust pulse parameters during tissue ablation.
- Atrial Fibrillation Detection Using P Wave ROI Extraction
A cardiac monitoring system extracts the P wave within a specific region of interest to detect atrial fibrillation signals.