Technical Brief

Simulation Method for Predicting Tissue Electrical Properties During Colonoscopy1

[+] Author and Article Information
Chen Tang Randolph, Robert Jung, Hun Choi

Department of Mechanical Engineering,
Ohio University,
Athens, OH 45701

Accepted and presented at the Design of Medical Devices Conference (DMD2014), Minneapolis, MN, April 7–10, 2014. DOI: 10.1115/1.4027052

Manuscript received February 21, 2014; final manuscript received March 3, 2014; published online April 28, 2014. Editor: Arthur G. Erdman.

J. Med. Devices 8(2), 020945 (Apr 28, 2014) (2 pages) Paper No: MED-14-1094; doi: 10.1115/1.4027052 History: Received February 21, 2014; Revised March 03, 2014

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Grahic Jump Location
Fig. 1

Symmetrical impedance bridge

Grahic Jump Location
Fig. 2

Experimental hardware: (a) passive filter, (b) symmetrical impedance bridge, (c) bridge relay, and (d) ESU relay

Grahic Jump Location
Fig. 3

(a) VA − VB values as a function of time, (b) impedance magnitude and phase shift as a function of time, and (c) resistance and capacitance as a function of time

Grahic Jump Location
Fig. 4

10 W ablation site




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