Braided occlusion device having repeating expanded volume segments separated by articulation segments
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United States of America Patent
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Jan 29, 2013
Grant Date -
Jan 29, 2009
app pub date -
Jul 25, 2007
filing date -
Jul 25, 2007
priority date (Note) -
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Abstract
The present invention provides a flexible, low profile vascular occlusion device having large volume filling capability and high metal content for fast occlusion, of the type fabricated from braided tubular metal fabric having an expanded preset configuration and an elongated collapsed reduced diameter configuration for delivery through a catheter to a treatment site and shaped to create an occlusion of an abnormal opening in a body organ or vessel, the woven metal fabric having a memory property whereby the medical device tends to return to said expanded preset configuration when unconstrained. The device further includes a first shape formed from the braided tubular fabric consisting of a repeating pattern of expanded volume segments separated by small diameter articulation segments and a second overall device shape comprised of the first shape formed about itself in various shapes to occlude a vessel. In one embodiment a shaping wire contained coaxially within the tubular braid, provides or assists in the formation of the second overall device shape.
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