Electrically conductive viscoelastic gel

Details Electrically conductive viscoelastic gel Electrically conductive viscoelastic gel

C - Chemistry, Metallurgy

09

K

31/153, 326/17.1

C09K 3/00 (2006.01) A61B 5/0408 (2006.01) A61N 1/18 (2006.01) C08L 1/28 (2006.01) C08L 5/00 (2006.01) H01B 1/12 (2006.01) H01M 6/22 (2006.01)

Patent

CA 1107058

ABSTRACT The present invention relates to a viscoelastic gel particularly suitable for use in electrodes for medical purposes. Thus it is desirable to provide a contact agent which exhibits a generally resistance free transfer of electric current even after an extended time of application and would leave no residues on the skin or give rise to other undesired reactions on the skin. Moreover, the electrodes provided with such agent require only a simple manufacturing technology resulting in a low cost in order to make it possible to use the electrode as a single application article. The specification discloses an electrically conductive, viscoelastic gel containing, relative to the total weight of the substance, 10-50 wt.% of a high molecular weight polysaccharide; 90-20 wt.% of one or more polyols containing 5-50 wt.%, preferably 10-20 wt.% of water, 0-30 wt.% of one or more non-volatile acids soluble in the polyol, 0-30 wt.% of one or more non-volatile bases, soluble in the polyol and, where desired, a small volume of suitable additives or agents.

303708

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