US 11,813,161 B2
Trileaflet mechanical prosthetic heart valve
Osvaldo N. Amerio, Posadas (AR); and Carlos Enrique Schvezov, Posadas (AR)
Assigned to CLOVER LIFE SCIENCES INC., Dover, DE (US)
Filed by Clover Life Sciences Inc., Dover, DE (US)
Filed on Dec. 30, 2021, as Appl. No. 17/566,621.
Application 17/566,621 is a continuation of application No. 16/687,619, filed on Nov. 18, 2019, granted, now 11,224,506.
Application 16/687,619 is a continuation of application No. 14/870,049, filed on Sep. 30, 2015, granted, now 10,478,288, issued on Nov. 19, 2019.
Prior Publication US 2022/0117727 A1, Apr. 21, 2022
Int. Cl. A61F 2/24 (2006.01)
CPC A61F 2/2403 (2013.01) [A61F 2/24 (2013.01); A61F 2230/0071 (2013.01)] 25 Claims
OG exemplary drawing
 
1. A trileaflet mechanical prosthetic heart valve comprising:
a ring including having an inner circumference;
three or more hinges attached to the inner circumference of the ring; and
three or more leaflets, each leaflet attached to one of the three or more hinges, wherein the leaflet is configured to be attached to the hinge by an opening located in a center of a lower portion of the leaflet, the leaflet comprising protuberances on either side of the opening, the protuberances protruding into the opening each leaflet including:
a front surface with a flat region on either side of the opening, and,
a rear surface configured such that, when the leaflet is in an open position there is a gap formed between the rear surface of the leaflets and the inner circumference of the ring.