Paravalvular sealing via extended cuff mechanisms
US10874510B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 30, 2018 |
| Grant date | Dec 29, 2020 |
| Priority date | — |
| Expiry date | Jul 12, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2250/0069
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A prosthetic heart valve may include a collapsible and expandable stent having a proximal end, a distal end, an annulus section adjacent the proximal end, and a plurality of cells connected to one another in annular rows around the stent, a cuff attached to the stent, and a sealing member attached to the cuff and extending from a proximal end of the cuff to a free edge. The sealing member may be movable between an extended condition in which the free edge is located proximally of the proximal end of the stent, and an inverted condition in which the free edge is located distally of the proximal end of the stent and a first surface of the sealing member confronts an outward-facing surface of the cuff. Various mechanisms for moving the sealing member are also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.