设计用于测量左心室容积的单段电导导管

2001 Conference Proceedings of the 23rd Annual International Conference of the IEEE Engineering in Medicine and Biology Society Pub Date : 2001-10-25 DOI:10.1109/IEMBS.2001.1018873

E. Soderqvist, C. Carlsson, L. Brodin, H. Elmqvist, H. Kronander, A. Ericsson

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引用次数: 2

摘要

本文的目的是研究如何在单段导电导管上最佳定位传感电极，并计算其预期性能。利用目前在猪实验中使用的五段导电管获得的电极电位数据，我们插值了任意时间点的电场，并计算了只有两个感应电极时所期望的体积曲线。计算结果表明，该方法与现有方法的偏差较小，且较为稳定。每个样品在优化电极位置下的平均偏差为0.05%，单次样品的最大偏差为2.57%。这表明有可能制造出与目前的五段导电导管一样性能良好的薄单段导管。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Design of a single segment conductance catheter for measurement of left ventricular volume

The objective of this paper is to investigate how to best position the sensing electrodes on a single segment conductance catheter, and to calculate the expected performance. Using electrode potential data, obtained with the present five segment conductance catheter in pig experiments, we have interpolated the electrical field at any given point of time, and calculated what volume curve to expect with only two sensing electrodes. Comparison shows that the deviation between our calculated method and the present one is stable and small. Mean deviation with optimized electrode positions was 0.05% per sample, and the maximum deviation found for a single time sample was 2.57%. This indicates that it is possible to build a thin single segment catheter with as good performance as for the present five segment conductance catheter.

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2001 Conference Proceedings of the 23rd Annual International Conference of the IEEE Engineering in Medicine and Biology Society

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