2D Lesion Coverage Mapping for Pulmonary Vein Ablation
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Solution Overview
Problem
Assessing the continuity and effectiveness of lesions formed during ablation procedures, particularly in pulmonary veins, is difficult due to the challenges in verifying the formation of a continuous ring along the inner circumference in three-dimensional anatomical structures.
Innovation Solution
A system and method that transforms a three-dimensional section of a patient organ, such as a pulmonary vein, into a two-dimensional map, allowing for the visualization and checking of lesion continuity by overlapping symbols, and providing recommendations for additional ablation points to ensure a continuous lesion is formed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If ablation procedures are performed in three-dimensional anatomical structures, then the treatment effectiveness is improved, but the verification of continuous lesion formation becomes difficult
Solution Approach 1:
The patent transforms three-dimensional anatomical structures into two-dimensional maps, allowing lesion continuity to be verified in a flattened representation where continuous rings along pulmonary vein circumferences can be visually confirmed as continuous paths without the complexity of 3D spatial navigation
2Device complexity
If manual assessment of lesion continuity is performed, then the system complexity is reduced, but the time required for verification increases
Solution Approach 1:
The system automatically detects and verifies lesion continuity by analyzing the spatial relationships between ablation points and determining whether they form continuous paths along specified contours, eliminating the need for manual assessment while reducing verification time
Solution Approach 2:
The system provides automated feedback regarding lesion continuity by analyzing the formed lesion pattern and indicating whether continuous isolation has been achieved, allowing for real-time assessment without manual intervention
Data Source
AI summary
A method includes, receiving: (i) a selected three-dimensional (3D) section that has been ablated in a patient organ in accordance with a specified contour, and (ii) a dataset, which is indicative of a set of lesions formed during ablation of the selected 3D section. The selected 3D section is transformed into a two-dimensional (2D) map, and checking, on the 2D map, whether the set of lesions covers the specified contour.