Comparison of Performances of Ag/AgCl Coating Electrodes and Pulverized Electrodes in Cerebral Application of Electrical Impedance Tomography
- VernacularTitle:Ag/AgCl粉末电极和镀层电极在脑部EIT测量中的比较研究
- Author:
Meng DAI
;
Xiuzhen DONG
;
Fusheng YOU
;
Xuetao SHI
;
Canhua XU
- Publication Type:Journal Article
- Keywords:
Ag/AgCl pulverized electrode system;
electrical impedance tomography(EIT);
signal-to-noise rate
- From:
Chinese Medical Equipment Journal
2004;0(09):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To compare the performance of novel Ag/AgCl pulverized electrodes with conventional Ag/AgCl coating electrodes in cerebral application of Electrical Impedance Tomography(EIT).Methods Based on the EIT system developed by our group,raw data were measured on a phantom and an adult volunteer,with Ag/AgCl coating electrodes and pulverized electrodes,respectively.The performances of electrode systems were evaluated in contact impedance and two other figures(the high-frequency SNR,HFSNR;the low-frequency SNR,LFSNR).Results Ag/AgCl pulverized electrode plays a better performance in resisting noise and keeping stabilization.Conclusion Ag/AgCl pulverized electrode develops the needs of imaging and monitoring human brains in EIT more availably.
