Porous balloon for selective dilatation and drug delivery
US5458568A · kind A · utility
397Cited by
57References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 17, 1993 |
| Grant date | Oct 17, 1995 |
| Priority date | — |
| Expiry date | Sep 17, 2013 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N2001/0585
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A drug delivery apparatus and method for delivering a drug locally to internal body tissue. The invention contemplates positioning a drug delivery device in a body passageway or within body tissue and then selectively wetting a membrane within the device, making the membrane permeable and allowing transport of a drug across the membrane and into the passageway wall or body tissue.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.