Bipolar electrode for medical applications
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United States of America Patent
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Sep 16, 1986
Grant Date -
N/A
app pub date -
Jan 11, 1984
filing date -
Jan 11, 1983
priority date (Note) -
Expired
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Abstract
In order to improve the mechanical properties in the area of the passive electrode given bipolar electrodes, the active region of the passive electrode exhibits a surface layer that has a high double layer capacitance at the phase boundary with the body fluids. The size of the passive electrode can be considerably reduced as a result. Particularly suitable as the surface layer is a porous layer consisting of a carbide, nitride or carbonitride of at least one of the metals titanium, vanadium, zirconium, niobium, molybdenum, hafnium, tantalum or tungsten. A layer of activated carbon with a surface having a porous microstructure or, in the simplest case, a roughened surface are also suitable.
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