Skin electrode construction and transdermal drug delivery device utilizing same
US5156591A · kind A · utility
174Cited by
7References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 13, 1990 |
| Grant date | Oct 20, 1992 |
| Priority date | — |
| Expiry date | Dec 13, 2010 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M37/00
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A transdermal drug delivery device includes an electrode, a porous insulating layer on one side of the electrode and impregnated with a liquid containing the drug to be delivered, a reservoir for the liquid on the other side of the electrode, and a displaceable diaphragm controlling the feeding of the liquid from the reservoir to the porous insulating layer via a passageway through the electrode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.