Patent ID: 9398951
Filing Date: 2016-07-26
CPC Classification: A61F

Claim Text:
1. A prosthetic heart valve for replacing a native valve, comprising: a collapsible and expandable stent having a proximal end and a distal end; a plurality of elongated legs, each of the legs having a first end coupled to the stent and a second free end, the legs being configured to transition from an extended configuration to a relaxed configuration; a valve assembly disposed within the stent, the valve assembly including a plurality of leaflets and a cuff disposed on a portion of the stent and about the plurality of leaflets; and a sealing portion connected to the plurality of legs, the sealing portion forming a sealing structure upon the transition of the plurality of legs from the extended configuration to the relaxed configuration; wherein the sealing portion includes a toroidal sealing ring coupled to the plurality of legs, the toroidal sealing ring being configured to move from a first position spaced away from the proximal end of the stent to a second position at least partially disposed over the valve assembly upon the transition of the plurality of legs from the extended configuration to the relaxed configuration.