NDLI: An image monitoring system for intraperitoneal bleeding using electrical impedance tomography and its preliminary results in vivo

Content Provider	IEEE Xplore Digital Library
Author	You Fusheng Dong Xiuzhen Shi Xuetao Fu Feng Liu Ruigang Shuai Wanjun
Copyright Year	2005
Description	Author affiliation: Dept. of Biomed. Eng., Fourth Mil. Med. Univ., Xi'an (You Fusheng; Dong Xiuzhen; Shi Xuetao; Fu Feng; Liu Ruigang; Shuai Wanjun)
Abstract	An image monitoring system using electrical impedance tomography (EIT) for intraperitoneal bleeding was designed (FMMU V3.5). It consists of a constant current driving source with frequency of 50 KHz, a high accuracy measurement module, a driving and measuring mode program-controlled circuits, a data acquisition card, an optoelectronic isolated digital I/O board, and a custom-specified linear power supply units. The system applied equal-potential back projection algorithm to reconstruct dynamic images. The relative accuracy of the system is 0.1%, the RTI noise is 11.1 mu V (bandwidth 100 Hz). Based on physical phantom, images reconstructed by the system showed that it can image dynamically to the infused saline solution, and by infusing more solution the gray changed area of the image also enlarged accordingly. For stomach filling model in vivo, the dynamic imaging processes showed that the system can clearly and sensitively monitoring the saline solution drinking into the stomach for 50 ml each time, and by drinking more saline solution the conductivity changed area of the dynamic image also enlarged accordingly
Starting Page	1500
Ending Page	1503
File Size	311304
Page Count	4
File Format	PDF
ISBN	0780387414
DOI	10.1109/IEMBS.2005.1616716
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-01-17
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Monitoring Hemorrhaging Impedance Tomography In vivo Current measurement Power measurement Frequency measurement Image reconstruction Stomach
Content Type	Text
Resource Type	Article

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