D.C. biopotential sensing electrode assemblies for apparatus for

Details D.C. biopotential sensing electrode assemblies for apparatus for D.C. biopotential sensing electrode assemblies for apparatus for

1994-10-17

1997-08-26

Cohen, Lee S.

Surgery

Truss

Pad

128640, A61B 504

Patent

active

056601778

ABSTRACT:
A DC biopotential sensing electrode assembly is provided for an apparatus for sensing DC biopotentials present at the skin of a subject. The electrodes include an electroconductive medium for transmitting ions from the skin which has a chloride content within a range of from 6-15 grams per hundred grams of such medium. To reduce the corrosive effect of this electroconductive medium, each electrode includes only one metallic component, and to provide an electrode with a low AC impedance, this metal is uniformly coated upon nonmetallic sensor and terminal bodies with a coating thickness within a range of from 0.5 to 1.5 mil. To insure a complete electrical path through both the sensor and the terminal bodies, the nonmetallic portions are formed of conductive plastic.

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