Working electrode assembly for iontophoresis and...

Details Working electrode assembly for iontophoresis and... Working electrode assembly for iontophoresis and...

2007-09-18

2007-09-18

Lucchesi, Nicholas D. (Department: 3763)

Surgery

Means for introducing or removing material from body for...

Infrared, visible light, ultraviolet, x-ray or electrical...

Reexamination Certificate

active

11253749

ABSTRACT:
A working electrode assembly for iontophoresis having a working electrode, a medicine-containing portion containing an ionic medicine, and an ion-exchange membrane arranged between the working electrode and the medicine-containing portion, wherein said ion-exchange membrane has both the anion-exchange groups and the cation-exchange groups, and between these anion-exchange groups and cation-exchange groups, the ion-exchange groups of the one side are contained in an excess amount compared to the other ion-exchange groups. The working electrode assembly effectively prevents the contact between the medicine and the working electrode and, at the same time, accomplishes a high efficiency for administering the medicine.

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