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Expansion ring for a braided stent

  • US 10,182,927 B2
  • Filed: 10/21/2016
  • Issued: 01/22/2019
  • Est. Priority Date: 10/21/2016
  • Status: Active Grant
First Claim
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1. A braided stent system, the system comprising:

  • a stent body having a lumen formed by a plurality of braided members with interstices formed therebetween; and

    a first expansion ring connected to the stent body, the first expansion ring comprising a frame defined by a plurality of interconnected support assemblies selectively positioned to impart an outwardly expanding radial force to the stent body, each support assembly comprising;

    a plurality of legs joined at a first intersection and connected to one of the other interconnected support assemblies at a second intersection opposite the first intersection; and

    a claw portion mechanically connected to the stent body through one or more of the interstices of the stent body, wherein the claw portion mechanically connects the expansion ring to inner and outer portions of the stent body by being extended away from the first intersection, being interlaced through at least two of the interstices, and terminating at a locking mechanism opposite the first and second intersections;

    wherein at least one of the claw portions comprises a plurality of aligned elongate members extended between the first and second intersections and locking mechanisms to form a void through which the plurality of interstices pass.

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