Procedures for introducing stents and stent-grafts
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United States of America Patent
Stats
-
Sep 2, 2003
Issued Date -
N/A
app pub date -
Jul 18, 1997
filing date -
Sep 8, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
This invention is a medical device and a method of using it. The device is a foldable stent or stent-graft which may be percutaneously delivered with (or on) a catheter, typically an endovascular catheter, to a body cavity or lumen and then expanded. The stent's configuration allows it to be folded or otherwise compressed to a very small diameter prior to deployment without changing the length of the stent. The deployment procedures may involve the use of an outer sleeve to maintain the stent or stent-graft at a reduced diameter or may involve one or more external or internal 'slip-lines' or 'tether wires' to hold and then to release the device. A removal slip line for holding the stent in the deployable configuration can be woven along longitudinal fold line using the sack knot.
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