Cell for electrically controlled transdermal drug delivery
US4731049A · kind A · utility
191Cited by
9References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 30, 1987 |
| Grant date | Mar 15, 1988 |
| Priority date | — |
| Expiry date | Jan 30, 2007 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N1/0428
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A cell for electrically controlled drug delivery into and through the skin consisting of a source of current, an electrode, and a drug reservoir in which a drug is bound by an ion exchange medium or an immobilized ligand affinity medium. An additional ion reservoir may be interposed between the electrode and the drug reservoir and semi-permeable membranes are employed as barriers between the various components of the device as required.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.