US 12,433,746 B2
Sealing structures for paravalvular leak protection
Peter N. Braido, Wyoming, MN (US)
Assigned to St. Jude Medical, Cardiology Division, Inc., St. Paul, MN (US)
Filed by St. Jude Medical, Cardiology Division, Inc., St. Paul, MN (US)
Filed on Oct. 5, 2023, as Appl. No. 18/481,548.
Application 18/481,548 is a division of application No. 17/170,984, filed on Feb. 9, 2021, granted, now 11,813,162.
Application 17/170,984 is a division of application No. 15/892,988, filed on Feb. 9, 2018, granted, now 10,945,836, issued on Mar. 16, 2021.
Application 15/892,988 is a division of application No. 14/547,595, filed on Nov. 19, 2014, granted, now 9,889,004, issued on Feb. 13, 2018.
Claims priority of provisional application 61/906,076, filed on Nov. 19, 2013.
Prior Publication US 2024/0058120 A1, Feb. 22, 2024
Int. Cl. A61F 2/24 (2006.01)
CPC A61F 2/2418 (2013.01) [A61F 2210/0014 (2013.01); A61F 2220/0075 (2013.01); A61F 2230/0013 (2013.01); A61F 2230/0065 (2013.01); A61F 2230/0091 (2013.01); A61F 2250/0069 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A prosthetic heart valve for replacing a native valve, comprising:
a collapsible and expandable stent having a proximal end, a first section adjacent the proximal end, a distal end, a second section adjacent the distal end, a plurality of struts forming rows of cells, the stent in a deployed condition having a first diameter adjacent the proximal end and a second diameter adjacent the distal end, the second diameter being greater than the first diameter;
a valve assembly disposed within the stent, the valve assembly including a plurality of leaflets, each leaflet having an attached edge and a free edge, and a valve cuff annularly disposed on a surface of the stent to cover at least one of the rows of cells; and
a surplus cuff portion extending proximally past a proximal-most row of cells and being formed of a thickened material that is configured to circumferentially buckle at predetermined locations to form an undulating sealing ring including a series of alternating peaks that extend toward the distal end and valleys that extend toward the proximal end.