Wearable 3D Lung Ventilation Monitoring System with Multi Frequency Electrical Impedance Tomography

被引：0
|
作者：
Kim, Minseo [1 ]
Bae, Joonsung [2 ]
Yoo, Hoi-Jun [1 ]
机构：
[1] Korea Adv Inst Sci & Technol KAIST, Sch EE, Div Elect Engn, Daejeon, South Korea
[2] Kangwon Natl Univ, Dept Elect & Elect Engn, Chunchon, South Korea
来源：
2017 IEEE BIOMEDICAL CIRCUITS AND SYSTEMS CONFERENCE (BIOCAS) | 2017年
关键词：
Electrical impedance tomography(EIT); Multi-frequenchy eletrical impedance tomography(MFEIT); lung ventilation monitoring; real-time imaging; 3D imaging; multi-frequency EIT; maximum length sequence(MLS);
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The wearable 3D lung ventilation monitoring system is proposed with electrical impedance tomography (EIT). It is implemented on the hub-module and impedance acquisition belt. Thanks to the active electrode SoC in the impedance acquisition belt, the proposed system provides wide (94dB) and accurate (1.4m Omega) impedance acquisition. Since the optimal frequency of stimulation current varies from individual, the selecting optimal stimulation frequency scheme is proposed for multi-frequency EIT. After the measured impedance data is transferred to hub-SoC in the Hub board, it is preprocessed and transferred to an external imaging device using Bluetooth module. As a result, the proposed system can display EIT images which are reconstructed with 90% of accuracy and 10 frames/s of real-time 3D lung images. It has only 357g weight and operates at least 6 hours with 3.7V 200mAh battery.
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页数：4
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