Stent-graft with fixation elements that are radially confined for delivery
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United States of America Patent
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Sep 26, 2017
Grant Date -
May 21, 2015
app pub date -
May 15, 2012
filing date -
May 15, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An endovascular stent-graft is provided that includes a flexible stent member, which includes a plurality of struts, which are shaped so as to define a generally circumferential section; a tubular fluid flow guide, which includes a graft material, and which is attached to the stent member; and at least one fixation member shaped so as to define a base at a first end thereof and a sharp tip at a second end thereof. The base is coupled to one of the struts that are shaped so as to define the generally circumferential section. When the stent-graft is in a radially-expanded deployment state, the fixation member protrudes radially outward. When the stent-graft is in a radially-compressed delivery state, at least a portion of the fixation member between the base and the sharp tip is convex as viewed from outside the stent-graft, such that the sharp tip points radially inward.
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