Anatomical Map Shaving for Accurate Catheter-Based Reconstruction

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Solution Overview

Problem

Existing anatomical mapping systems, such as electroanatomical mapping of the heart, suffer from inaccuracies due to undesired catheter positions being included in the reconstruction, which are difficult to correct manually and time-consuming.

Innovation Solution

A system and method that compares an anatomical map to a reference image using accuracy parameters to identify and visually indicate areas that fail to meet these parameters, allowing for automated or manual correction to generate a revised, more accurate map.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If manual editing is used to correct inaccuracies in the anatomical map, then the accuracy of the map can be improved, but the time required for editing increases significantly

Engineering Contradiction:

Improveaccuracy of anatomical mapVSAvoidtime for manual editing

Core Design Contradiction:

Measurement precisionVSLoss of time

Solution Approach 1:

The system automatically identifies and corrects inaccuracies in the anatomical map by comparing it with reference images and automatically shaving erroneous points, eliminating the need for manual intervention and making the system self-correcting

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

The patent replaces manual mechanical editing operations with automated computational algorithms that compare the anatomical map to reference images and automatically remove erroneous data points through processing

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Productivity

If automated shaving is implemented to improve efficiency, then the time for correction is reduced, but the complexity of the system increases

Engineering Contradiction:

Improveefficiency of map correctionVSAvoidcomplexity of shaving system

Core Design Contradiction:

ProductivityVSDevice complexity

Solution Approach 1:

The system uses reference images (copies of anatomical structures from imaging modalities) to automatically compare against and identify erroneous points in the electroanatomical map, enabling automated correction without requiring complex real-time processing

Inventive Principle:

Principle #26Copying

Solution Approach 2:

Reference images are prepared and stored in advance before the electroanatomical mapping procedure, allowing the system to perform automated comparison and correction operations during the procedure without requiring complex on-the-fly image acquisition and processing

Inventive Principle:

Principle #10Preliminary action

Data Source

PatentUS12543995B2Methods and systems for shaving an anatomical map

Publication Date: 2026.02.10 BIOSENSE WEBSTER (ISRAEL) LTD

AI summary

A system and method for shaving an anatomical map. A reference image is compared to the—anatomical map using an accuracy parameter, and at least one area in the anatomical map that fails to meet the accuracy parameter is identified. An image of the electro-anatomical map is displayed, where the image provides a visual indication of the at least one area in the anatomical map that fails to meet the at least one accuracy parameter. A revised map is generated by shaving the at least one area in the anatomical map that fails to meet the at least one accuracy parameter, and the revised map is displayed.