US 11,883,280 B2
Prosthetic leaflets for valve replacement
Kristen T. Morin, St. Paul, MN (US); Jay Reimer, Saint Paul, MN (US); Keith T. High, White Bear Lake, MN (US); Kristopher Henry Vietmeier, Monticello, MN (US); and Tracee Eidenschink, Wayzata, 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. 26, 2021, as Appl. No. 17/187,063.
Claims priority of provisional application 62/982,903, filed on Feb. 28, 2020.
Prior Publication US 2021/0267756 A1, Sep. 2, 2021
Int. Cl. A61F 2/24 (2006.01); A61L 31/02 (2006.01); A61L 31/10 (2006.01); A61L 31/14 (2006.01)
CPC A61F 2/2409 (2013.01) [A61F 2/24 (2013.01); A61F 2/2412 (2013.01); A61F 2/2415 (2013.01); A61F 2/2463 (2013.01); A61L 31/022 (2013.01); A61L 31/10 (2013.01); A61L 31/146 (2013.01); A61L 2400/18 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A prosthetic heart valve, comprising:
a support structure; and
a valve assembly disposed within the support structure, the valve assembly including a plurality of leaflets,
wherein each leaflet is formed from a composite material, the composite material including a metal substrate in the form of a mesh having a plurality of openings, and a polymer coated on the metal substrate, the mesh being formed of a first flat mesh of biocompatible metal wire layered on a second flat mesh of biocompatible metal wire without a layer of the polymer between the first flat mesh and the second flat mesh.