Patent ID: 9375311
Filing Date: 2016-06-28
CPC Classification: A61F

Claim Text:
1. A valve prosthesis comprising: an expandable frame comprising an outflow portion and an inflow portion connected to the outflow portion, the frame defining a central lumen extending between the outflow portion and the inflow portion, wherein the frame is generally cylindrical in a fully expanded configuration, wherein, when the frame is in a fully expanded configuration, an outer surface of the inflow portion is concave, wherein the inflow portion has an upper inflow portion and a lower inflow portion, and wherein, when the frame is in the fully expanded configuration, the upper inflow portion flares outwardly from the central lumen of the frame to greater extent than the lower inflow portion, wherein the outflow portion comprises (i) an undulating upper outflow portion having peaks and valleys, (ii) an undulating middle outflow portion having peaks and valleys, and (iii) an undulating lower outflow portion having peaks and valleys, wherein the valleys of the undulating upper outflow portion are connected to the peaks of the undulating middle inflow portion, and wherein the valleys of the undulating middle outflow portion are connected to the peaks of the undulating lower outflow portion; and wherein a height of the upper outflow portion is greater than a height of the lower outflow portion, and wherein the height of the upper outflow portion is less than a height of the middle outflow portion.