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Modelling Transcutaneous Electrical Stimulation

Author(s):

A. Kuhn
Conference/Journal:

IfA Internal Seminar Series
Abstract:

In transcutaneous electrical stimulation (TES) pairs of electrodes are used to deliver currents into the human body in order to generate muscle contractions. This technology can for example be used to assist subjects during the rehabilitation after a stroke or a spinal cord injury. We developed a model that can describe nerve activation during TES. The model helps to understand different aspects of TES and to improve the stimulation technology. An important parameter for accurate stimulation is the selectivity. The selectivity describes how well a specific nerve can be activated without activating adjacent nerves. A measure for the selectivity was developed. The gain in selectivity for smaller sized electrodes was investigated for different fat layer thicknesses. The results indicate that smaller electrodes do not throughout improve selectivity.

Year:

2007
Type of Publication:

(06)Talk
Supervisor:

M. Morari

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