Transmyocardial shunt and its attachment mechanism, for left ventricular revascularization
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United States of America Patent
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Aug 9, 2005
Grant Date -
May 16, 2002
app pub date -
Sep 20, 2001
filing date -
Sep 10, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A conduit is provided to provide a bypass around a blockage in the coronary artery. The conduit is adapted to be positioned in the myocardium or heart wall to provide a passage for blood to flow between a chamber of the heart such as the left ventricle and the coronary artery, distal to the blockage. The stent is self-expanding or uses a balloon to expand the stent in the heart wall. Various attachment means are provided to anchor the stent and prevent its migration. In one embodiment, a conduit is provided having a distal top which is more preferably a ball top, wire top, flare top or flip-down top. These top configurations anchor the shunt at one end in the coronary artery.
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