Multi-layer braided structures for occluding vascular defects and for occluding fluid flow through portions of the vasculature of the body
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United States of America Patent
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Jan 30, 2018
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app pub date -
Sep 14, 2012
filing date -
Mar 19, 2004
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Abstract
A collapsible medical device and associated methods of occluding an abnormal opening in, for example, a body organ, wherein the medical device is shaped from plural layers of a heat-treatable metal fabric. Each of the fabric layers is formed from a plurality of metal strands and the assembly is heat-treated within a mold in order to substantially set a desired shape of the device. By incorporating plural layers in the thus-formed medical device, the ability of the device to rapidly occlude an abnormal opening in a body organ is significantly improved.
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