Supra-annular aortic valve
US4451936A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 21, 1981 |
| Grant date | Jun 5, 1984 |
| Priority date | — |
| Expiry date | Dec 21, 2001 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2/2412
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An aortic prosthetic valve for supra-annular implantation comprising a valve body of generally annular configuration and a valve element movably mounted on the valve body for opening and closing the valve. The valve body terminates in a generally annular base surface, and a scalloped suture ring circumscribes the valve body adjacent the base surface. The suture ring is configured to approximately fit the contour of the Sinuses of Valsalva at the base of the aorta. The base surface of the valve body is of a wavy configuration and is configured such that it does not project into the annulus at the base of the aorta, and accordingly, the valve body does not interfere with flow through the annulus. The suture ring has three lobes which fit the Sinuses of Valsalva at the base of the aorta. The valve is configured to minimize disruption of the vortices which develop in the Sinuses of Valsalva to assist in closing the valve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.