NDLI: Development of a third generation intraventricular impedance imaging (III) system: evaluation of hardware design

Content Provider	IEEE Xplore Digital Library
Author	Yi-Chih Huang Kun, S. Peura, R.A.
Copyright Year	1997
Description	Author affiliation: Dept. of Biomed. Eng., Worcester Polytech. Inst., MA, USA (Yi-Chih Huang)
Abstract	Intraventricular Impedance Imaging (III) applies an innovative technique for estimation of cardiac catheter position. It is based on electrical impedance measurements and uses a multi-electrode probe mounted at a tip of a cardiac catheter. After analyzing the previous versions of the III system, a new system hardware realization was proposed, built, and tested. The signal acquisition module is based on AD7850-a highly integrated electronic component. A special protocol was developed for optimal high speed communication between the 32 channel III system and the IBM PC controller. This protocol also significantly reduces the required electronic component count. The results obtained by the prototype evaluation showed that: the proposed realization is working according to expectations, the signal generation provides sufficiently accurate signals, and the system requires 3 ms to generate a set of data-sufficient for real-time 60 Hz determination of catheter position and instantaneous ventricular volume.
Starting Page	2442
Ending Page	2444
File Size	340160
Page Count	3
File Format	PDF
ISBN	0780342623
ISSN	1094687X
DOI	10.1109/IEMBS.1997.756817
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1997-10-30
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Catheters Electronic components Protocols Signal generators Impedance measurement Probes Hardware System testing Optimal control Communication system control
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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