Electrode and iontophoretic device and method
US6078842A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 23, 1997 |
| Grant date | Jun 20, 2000 |
| Priority date | — |
| Expiry date | Dec 23, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N1/325
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An improved electrode and iontophoretic device and method where the electrode exhibits varied resistance. The electrode is made of a conductive material and applied to a flexible substrate. The variation in resistance can be achieved by varying the thickness of the electrode across its length or by varying the conductivity of the material across the area of the electrode or a combination of both. A pair of such electrodes may be used with a power source in electrical relation thereto and applied over a layer of agent to the skin to deliver the agent into the skin iontophoretically. The pair of electrodes may be shaped so as to cover a portion of the face, hands, feet or other body parts to iontophoretically apply particular agents to those areas.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.