Freeze-thaw method for modifying stent coating
US8246973B2 · kind B2 · utility
5Cited by
8References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 21, 2006 |
| Grant date | Aug 21, 2012 |
| Priority date | — |
| Expiry date | Mar 16, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2420/02
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Methods are disclosed for controlling the morphology and the release-rate of active agent from a coating layer for medical devices comprising a polymer matrix and one or more active agents. The methods comprise exposing a wet or dry coating to a freeze-thaw cycle. The coating layer can be used for controlled delivery of an active agent or a combination of active agents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.