Peter N. Braido,Katherine A. Ahmann,Mina S. Fahim,Jeffrey J. Allison,Andrea L. McCarthy
申请号:
US15376905
公开号:
US20170086972A1
申请日:
2016.12.13
申请国别(地区):
US
年份:
2017
代理人:
摘要:
A prosthetic heart valve includes a collapsible and expandable stent having a proximal end, a distal end, an annulus section adjacent the proximal end and an aortic section adjacent the distal end. The heart valve further includes a plurality of commissure features disposed on the stent, and a collapsible and expandable valve assembly, the valve assembly including a plurality of leaflets connected to the plurality of commissure features, each of the plurality of leaflets having a free edge and being configured to have a tension line aligned near the free edge to prevent backflow.