Ostium stent system
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United States of America Patent
Stats
-
N/A
Issued Date -
Jul 14, 2005
app pub date -
Jan 9, 2004
filing date -
Jan 9, 2004
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An ostium stent system includes a stent having a tubular body at the distal portion of the stent and a flaring portion at the proximal portion of the stent. A restraining structure that deploys the flaring portion covers only the proximal portion of the stent, providing a low profile for smooth delivery of the stent to the treatment site. The flaring portion comprises at least one flaring member which each comprise a short segment and a long segment. In an unexpanded configuration, each short and long segment are parallel to a longitudinal axis of the tubular body. When the flaring portion is deployed, each short segment remains parallel while each long segment becomes perpendicular to the longitudinal axis of the tubular body. The short segments therefore absorb the radial force resulting from deployment of the long segments and thereby prevent the stent from lifting off the balloon.
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