Automated CFAE Mapping System for Cardiac Arrhythmia Analysis
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Solution Overview
Problem
Current methods for mapping complex fractionated atrial electrograms (CFAE) in cardiac arrhythmias require manual intervention by expert operators, which is time-consuming and inefficient, and do not allow for automatic identification and mapping of these critical areas for ablation.
Innovation Solution
A system and method for automatically analyzing electrogram signals to identify CFAE complexes based on predefined voltage and time criteria, using multiple electrodes and position sensors to generate a spatial distribution map, enabling the display and potential ablation of cardiac tissue associated with these areas.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If manual mapping of CFAE areas is performed by expert operators, then mapping accuracy is improved, but time consumption increases
Solution Approach 1:
The system enables automatic identification and mapping of CFAE areas through computer algorithms that analyze electrogram signals independently, without requiring continuous expert operator intervention. The algorithm automatically detects CFAE complexes based on predefined criteria and generates spatial distribution maps autonomously.
Solution Approach 2:
The patent replaces the manual mechanical process of expert operators visually analyzing electrograms with an automated computer-based signal processing system. The system uses algorithmic analysis of electrogram signals to identify CFAE areas, substituting human manual work with automated computational methods.
2Productivity
If multiple electrodes are used to simultaneously measure electrical activity, then productivity is improved, but device complexity increases
Solution Approach 1:
The catheter integrates multiple functions into a single device: it contains both position sensors for localization and multiple electrodes for simultaneous electrical signal measurement. This multi-functional design allows the single catheter to perform both mapping and electrical recording tasks.
Solution Approach 2:
The patent combines multiple electrodes and position sensors into a single integrated catheter structure. The electrodes are positioned at the distal tip along with position sensors, merging localization and electrical measurement capabilities into one unified device rather than requiring separate instruments.
Data Source
AI summary
Software and apparatus are provided to automatically detect and map areas of complex fractionated electrograms within cardiac chambers. Electrogram signal are analyzed to count the number of complexes whose amplitude and peak-to-peak intervals meet certain criteria. Functional maps indicating average complex interval, shortest complex interval, and confidence levels are produced for display.