Iontophoresis system with voltage step-up circuit
US5983133A · kind A · utility
16Cited by
12References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 29, 1997 |
| Grant date | Nov 9, 1999 |
| Priority date | — |
| Expiry date | Sep 29, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N1/3782
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A iontophoretic drug delivery apparatus and a corresponding method is provided. The apparatus includes a switched-capacitor DC--DC voltage converter to step up a supply voltage, and a current control circuit that draws current from the stepped-up voltage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.