Stent-valves for valve replacement and associated methods and systems for surgery

摘要

An occluder for seating an orifice in tissue comprising a first portion capable of expansion from a collapsed configuration on a luminal side of an orifice to an expended configuration and a second portion capable of expansion from a collapsed configuration to an extended configuration on a side of the orifice opposite to the luminal side.
The first and second portions form a central hollow channel for housing a guide wire.