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Physiological measurement · Apr 2005
Comparative StudyDetection of emboli in vessels using electrical impedance measurements--phantom and electrodes.
- S Nebuya, M Noshiro, B H Brown, R H Smallwood, and P Milnes.
- Department of Clinical Engineering, Kitasato University, 1-15-1 Kitasato, Sagamihara 228-8555, Japan.
- Physiol Meas. 2005 Apr 1; 26 (2): S111-8.
AbstractA phantom was constructed to simulate the electrical properties of the neck. A range of possible electrode configurations was then examined in order to improve the sensitivity of the impedance measurement method for the in vivo detection of air emboli. The neck phantom consisted of simulated skin, fat and muscle layers made of agar and a conductive rubber tube mimicking the common carotid artery. The ring-shaped electrodes with a guard electrode showed the highest sensitivity to emboli at short distances.
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