Drug eluting rolled stent and stent delivery system
US8636811B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 7, 2010 |
| Grant date | Jan 28, 2014 |
| Priority date | — |
| Expiry date | Apr 9, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2250/0068
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The drug eluting rolled stent and a stent delivery system, which includes a catheter; a balloon operably attached to the catheter; and a stent disposed on the balloon. The stent includes a rectangular metal foil sheet having a first side and a second side, the rectangular metal foil sheet being rolled to form a cylindrical tube having a central axis and a spiral cross section perpendicular to the central axis; a polymer drug coating disposed between and adhering the first side and the second side; and at least one opening formed through the cylindrical tube generally perpendicular to the central axis, the at least one opening being shaped to form at least one strut having in cross section polymer drug layers between metal foil layers, polymer drug layer edges of the polymer drug layers being in communication with the at least one opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.