Paravalvular sealing via extended cuff mechanisms
US10143551B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 14, 2015 |
| Grant date | Dec 4, 2018 |
| Priority date | — |
| Expiry date | May 6, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2250/0069
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A prosthetic heart valve 300 may include a collapsible and expandable stent 306 having a proximal end 302, a distal end 304, an annulus section adjacent the proximal end, and a plurality of cells connected to one another in annular rows around the stent, a cuff 312 attached to the stent, and a sealing member 322 attached to the cuff and extending from a proximal end 313 of the cuff to a free edge 323. The sealing member 322 may be movable between an extended condition in which the free edge 323 is located proximally of the proximal end 302 of the stent 306, and an inverted condition in which the free edge is located distally of the proximal end of the stent and a first surface 324 of the sealing member confronts an outward-facing surface of the cuff. Various mechanisms for moving the sealing member 322 are also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.