Supra annular tapered balloon expandable stent for transcatheter implantation of a cardiac valve prosthesis
US11771554B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 14, 2020 |
| Grant date | Oct 3, 2023 |
| Priority date | — |
| Expiry date | May 15, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2250/0039
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A transcatheter valve prosthesis includes a stent and a prosthetic valve disposed within the stent. The stent is balloon expandable and includes an inflow portion, an outflow portion, and a transition portion extending between the inflow portion and the outflow portion. A diameter of an inflow end of the transcatheter valve prosthesis is greater than a diameter of an outflow end of the transcatheter valve prosthesis. The transcatheter valve prosthesis has a tapered profile along an entire height thereof when in the stent is in the expanded configuration. The inflow end of the transcatheter valve prosthesis is configured to sit within and contact an aortic annulus of the native aortic valve and the outflow end of the transcatheter valve prosthesis being configured to float within an ascending aorta without contacting the ascending aorta due to the tapered profile of the transcatheter valve prosthesis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.