Abstract
In cardiac ablation procedures, the accuracy of catheter positioning determines the authenticity of the cardiac model and the accuracy of the ablation target. This article reviews the literature on catheter positioning in electrophysiology and summarizes the key technologies for catheter positioning, such as magnetic-electric fusion and interference suppression. Addressing the limitations of electric and magnetic positioning individually, the paper elaborates on the rationale for catheter positioning technology based on magnetic-electric fusion. It also outlines the framework of a complex catheter positioning system. Specifically, the magnetoelectric conversion matrix is established first, followed by the optimization of the catheter shape. The interference factors such as magnetic field interference, body movement, respiration, and heartbeat in catheter positioning and their suppression methods are analyzed and discussed in detail. Finally, the development trend of three-dimensional electrophysiology catheter positioning technology is prospected, offering feasible insights for the research on catheter positioning technology based on magnetic-electric fusion.
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More From: Zhongguo yi liao qi xie za zhi = Chinese journal of medical instrumentation
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