Expandable medical device for delivery of beneficial agent
US8206435B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Feb 23, 2009 |
| Grant date | Jun 26, 2012 |
| Priority date | — |
| Expiry date | Oct 24, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2300/622
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An expandable medical device has elongated struts joined together to form a substantially cylindrical device which is expandable from a cylinder having a first diameter to a cylinder having a second diameter. At least one of the struts includes at least one opening extending at least partially through a thickness of the strut. A beneficial agent is loaded into the opening within the strut in layers to achieve desired temporal release kinetics of the agent. Alternatively, the beneficial agent is loaded in a shape which is configured to achieve the desired agent delivery profile. A wide variety of delivery profiles can be achieved including zero order, pulsatile, increasing, decrease, sinusoidal, and other delivery profiles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.