Medical device with a porous surface for delivery of a therapeutic agent
US8070797B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 27, 2008 |
| Grant date | Dec 6, 2011 |
| Priority date | — |
| Expiry date | Nov 15, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2300/416
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention is generally directed to implantable medical devices for delivering therapeutic agents to the body tissue of a patient and methods for making such medical devices. In particular, the present invention is directed to implantable medical devices, such as intravascular stents, having a surface that includes a plurality of cavities and a plurality of pores and a composition disposed in the pores and/or cavities, as well as, implantable medical devices, such as intravascular stents, having a surface that has a coating composition disposed on the surface, wherein the coating composition includes a plurality of cavities and a plurality of pores and another coating composition disposed in the pores and/or cavities.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.