Wireless Electromagnetic Tracking System for Wireless Capsule Endoscope

IF 5.6 2区工程技术 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Transactions on Instrumentation and Measurement Pub Date : 2025-03-26 DOI:10.1109/TIM.2025.3550218

Yuming Fu;Yi Li;Xiaoyang Wu;Ming Liu;Yong-Xin Guo

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引用次数: 0

Abstract

Electromagnetic tracking (EMT) is widely employed in image-guided surgical procedures, enabling precise tracking of the position and orientation of medical instruments. However, the traditional EMT system needs wires to be led out from the transmitting side to the receiving side, rendering it unsuitable for in vivo biomedical implants. This study proposes a wireless EMT system tailored for the wireless capsule endoscope (WCE) application, which includes: 1) elucidation of fundamental comparison between “wired” EMT and “wireless” EMT; 2) devising a corresponding wireless EMT algorithm; and 3) a small-sized, low-power hardware architecture for the receiving side of EMT. The receiving circuit is about the size of the capsule, and consumes 4.73 mW excluding the wireless communication module. Experiment results show the effectiveness of the proposed wireless EMT. Within a tracking region of

$20\times 15\times 13$

cm3, the position error is

$3.24~\pm ~0.88$

mm and the orientation error is

$1.95~\pm ~0.79^{\circ }$

, with an update rate of 1 Hz.

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来源期刊

IEEE Transactions on Instrumentation and Measurement 工程技术-工程：电子与电气

CiteScore

9.00

自引率

23.20%

发文量

1294

审稿时长

3.9 months

期刊介绍： Papers are sought that address innovative solutions to the development and use of electrical and electronic instruments and equipment to measure, monitor and/or record physical phenomena for the purpose of advancing measurement science, methods, functionality and applications. The scope of these papers may encompass: (1) theory, methodology, and practice of measurement; (2) design, development and evaluation of instrumentation and measurement systems and components used in generating, acquiring, conditioning and processing signals; (3) analysis, representation, display, and preservation of the information obtained from a set of measurements; and (4) scientific and technical support to establishment and maintenance of technical standards in the field of Instrumentation and Measurement.