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Conference Paper: Current density distribution under surface electrode on posterior tibial nerve electrical stimulation

TitleCurrent density distribution under surface electrode on posterior tibial nerve electrical stimulation
Authors
KeywordsCurrent Density Distribution
Posterior Tibial Nerve
Somatosensory Evoked Potential (Sep)
Transcutaneous Electrical Nerve Stimulation (Tens)
Issue Date2005
Citation
Annual International Conference Of The Ieee Engineering In Medicine And Biology - Proceedings, 2005, v. 7 VOLS, p. 3650-3652 How to Cite?
AbstractElectrical stimulation on the posterior tibial nerve is commonly used in the measurement of somatosensory evoked potential (SEP). To improve the efficiency of stimulation, the potential field and current density distributions under the surface electrodes were simulated with a three layer theoretical model. The mirror method was used to analyze the potential field of point charge. Integration of the field and the stimulus area provide the potential field for one surface electric pole. Potential field distribution of the bipolar electrodes was calculated by superimposition of two unipolar fields. Finally, the current density distribution was calculated by Laplace equation. An analytical solution of the potential field was obtained; thereafter the numerical solution of the current density distribution was calculated. The potential field and current density distribution were simulated by 2-D plot. From the model and simulation, the potential and current density distributions were not found to be evenly distributed under transcutaneous stimulation electrode and the maximum current density is located under the poles. The result suggests that bipolar stimulator should be applied axially along the stimulated nerve course. ©2005 IEEE.
Persistent Identifierhttp://hdl.handle.net/10722/173399
ISSN
References

 

DC FieldValueLanguage
dc.contributor.authorHu, Yen_US
dc.contributor.authorXie, XBen_US
dc.contributor.authorPang, LYen_US
dc.contributor.authorLi, XHen_US
dc.contributor.authorLuk, KDKen_US
dc.date.accessioned2012-10-30T06:30:50Z-
dc.date.available2012-10-30T06:30:50Z-
dc.date.issued2005en_US
dc.identifier.citationAnnual International Conference Of The Ieee Engineering In Medicine And Biology - Proceedings, 2005, v. 7 VOLS, p. 3650-3652en_US
dc.identifier.issn0589-1019en_US
dc.identifier.urihttp://hdl.handle.net/10722/173399-
dc.description.abstractElectrical stimulation on the posterior tibial nerve is commonly used in the measurement of somatosensory evoked potential (SEP). To improve the efficiency of stimulation, the potential field and current density distributions under the surface electrodes were simulated with a three layer theoretical model. The mirror method was used to analyze the potential field of point charge. Integration of the field and the stimulus area provide the potential field for one surface electric pole. Potential field distribution of the bipolar electrodes was calculated by superimposition of two unipolar fields. Finally, the current density distribution was calculated by Laplace equation. An analytical solution of the potential field was obtained; thereafter the numerical solution of the current density distribution was calculated. The potential field and current density distribution were simulated by 2-D plot. From the model and simulation, the potential and current density distributions were not found to be evenly distributed under transcutaneous stimulation electrode and the maximum current density is located under the poles. The result suggests that bipolar stimulator should be applied axially along the stimulated nerve course. ©2005 IEEE.en_US
dc.languageengen_US
dc.relation.ispartofAnnual International Conference of the IEEE Engineering in Medicine and Biology - Proceedingsen_US
dc.subjectCurrent Density Distributionen_US
dc.subjectPosterior Tibial Nerveen_US
dc.subjectSomatosensory Evoked Potential (Sep)en_US
dc.subjectTranscutaneous Electrical Nerve Stimulation (Tens)en_US
dc.titleCurrent density distribution under surface electrode on posterior tibial nerve electrical stimulationen_US
dc.typeConference_Paperen_US
dc.identifier.emailHu, Y:yhud@hku.hken_US
dc.identifier.emailLuk, KDK:hcm21000@hku.hken_US
dc.identifier.authorityHu, Y=rp00432en_US
dc.identifier.authorityLuk, KDK=rp00333en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-33846894554en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33846894554&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume7 VOLSen_US
dc.identifier.spage3650en_US
dc.identifier.epage3652en_US
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridHu, Y=7407116091en_US
dc.identifier.scopusauthoridXie, XB=53870912800en_US
dc.identifier.scopusauthoridPang, LY=53870603300en_US
dc.identifier.scopusauthoridLi, XH=53870484800en_US
dc.identifier.scopusauthoridLuk, KDK=7201921573en_US

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