Invention Grant
- Patent Title: Prosthetic heart valve having multi-level sealing member
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Application No.: US16940198Application Date: 2020-07-27
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Publication No.: US11744700B2Publication Date: 2023-09-05
- Inventor: Hanoch Cohen-Tzemach , Tamir S. Levi , Noam Nir , Bella Felsen
- Applicant: Edwards Lifesciences Corporation
- Applicant Address: US CA Irvine
- Assignee: EDWARDS LIFESCIENCES CORPORATION
- Current Assignee: EDWARDS LIFESCIENCES CORPORATION
- Current Assignee Address: US CA Irvine
- Agency: Klarquist Sparkman, LLP
- Agent Joel B. German
- Main IPC: A61F2/24
- IPC: A61F2/24

Abstract:
Embodiments of a prosthetic heart valve are disclosed. An implantable prosthetic valve may be radially collapsible to a collapsed configuration and radially expandable to an expanded configuration. The prosthetic valve may comprise an annular frame, a leaflet structure positioned within the frame and a plurality of outer skirts positioned around an outer surface of the frame, each outer skirt comprising an inflow edge secured to the frame and an outflow edge secured at intervals to the frame. The plurality of outer skirts may include a first outer skirt and a second outer skirt, wherein in the expanded configuration the first and second outer skirts include openings unsecured to the frame between the intervals. The inflow edge of the first annular outer skirt may be secured to the frame with sutures including radiopaque material. The first annular outer skirt may include radiopaque dye.
Information query
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