US 10,376,360 B2
Multi-frame prosthetic valve apparatus and methods
William C. Bruchman, Camp Verde, AZ (US); and Cody L. Hartman, Flagstaff, AZ (US)
Assigned to W. L. Gore & Associates, Inc., Newark, DE (US)
Filed by W. L. Gore & Associates, Inc., Newark, DE (US)
Filed on Mar. 12, 2013, as Appl. No. 13/797,526.
Claims priority of provisional application 61/676,812, filed on Jul. 27, 2012.
Prior Publication US 2014/0031927 A1, Jan. 30, 2014
Int. Cl. A61F 2/24 (2006.01)
CPC A61F 2/2415 (2013.01) [A61F 2/2418 (2013.01); A61F 2210/0076 (2013.01); A61F 2220/005 (2013.01); A61F 2230/0054 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A valve comprising:
a leaflet frame having a generally annular shape having an outer surface and defining a leaflet frame lumen and a plurality of U-shaped portions each defining a base and a plurality of posts;
a body frame having a generally tubular shape and having an inner surface defining a body frame lumen, the leaflet frame being located coaxial with the body frame lumen with at least a portion of the leaflet frame positioned within the body frame lumen at a longitudinally fixed position relative to the body frame;
a first film including a plurality of layers sandwiching the leaflet frame such that the first film is coupled to the leaflet frame, the first film defining a plurality of leaflets, each leaflet of the plurality of leaflets having a leaflet free edge, being operable to abut adjacent leaflet free edges, and being moveable between an open and closed position, the first film having an inner surface facing toward the leaflet frame lumen and an outer surface facing away from the leaflet frame lumen; and
a second film including a plurality of layers sandwiching the body frame such that the second film is coupled to the body frame, the second film having an inner surface facing toward the body frame lumen and an outer surface facing away from the body frame lumen;
the second film being bonded to the first film to form a laminate such that the outer surface of the leaflet frame is bonded to the inner surface of the body frame by the first and second films and such that the leaflet frame is secured within the body frame lumen by the laminated first and second films at the longitudinally fixed position.