Method and apparatus for controlled delivery of active substance
US7435256B2 · kind B2 · utility
33Cited by
15References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 6, 2003 |
| Grant date | Oct 14, 2008 |
| Priority date | — |
| Expiry date | Mar 7, 2026 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2300/62
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The invention relates to a method and device for coating a device with time-release drugs by providing a plurality of micro coated pellets having different release rates on the surface of the medical device structure, e.g., a stent. Organizing the micro pellets with different release rates on the structure can result in the structure having a plurality of release regions with varying release profiles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.