US 11,813,162 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 Feb. 9, 2021, as Appl. No. 17/170,984.
Application 17/170,984 is a division of application No. 15/892,988, filed on Feb. 9, 2018, granted, now 10,945,836.
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 2021/0177587 A1, Jun. 17, 2021
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)] 16 Claims
OG exemplary drawing
 
1. A prosthetic heart valve for replacing a native valve, comprising:
a collapsible and expandable stent having a proximal end, an annulus portion adjacent the proximal end, a distal end, a plurality of struts forming rows of cells, and a plurality of first elongated legs in the annulus portion, each of the first elongated legs having an attachment end, a free end, an extended condition spanning a first distance between the attachment end to the free end and a relaxed condition spanning a second distance between the attachment end to the free end, the first distance being greater than the second distance, the attachment end being connected to the stent at a spaced distance from the proximal end of the stent and the first elongated leg in the extended condition extending toward the distal end of the stent from the attachment end to the free end;
a first sealing portion attached to the plurality of first elongated legs; and
a valve assembly disposed within the stent in the annulus portion, the valve assembly including:
a plurality of leaflets, each leaflet having an attached edge and a free edge; and
a cuff annularly disposed on a surface of the stent to cover at least one of the rows of cells.