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METHODS AND DEVICES FOR INTRA-ATRIAL SHUNTS HAVING ADJUSTABLE SIZES

  • US 20130178784A1
  • Filed: 12/24/2012
  • Published: 07/11/2013
  • Est. Priority Date: 12/22/2011
  • Status: Abandoned Application
First Claim
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1. An expandable device adapted for percutaneous delivery into a membrane of a patient'"'"'s heart, the device comprising:

  • first and second anchors adapted to contact, respectively, first and second surfaces of the membrane; and

    a stent having a longitudinal axis and being connected to the first and second anchors, the stent comprising an outer cylindrical body comprising a superelastic material and an inner cylindrical body disposed within and connected to the outer cylindrical body and comprising a plastically deformable material, the stent being adapted to permit blood to flow across the membrane at a first rate;

    wherein the inner cylindrical body is adapted to be retainably radially expanded upon the application of an radially-outward directed force relative to the stent'"'"'s longitudinal axis so as to permit blood to flow across the membrane at a second rate that is different from the first rate.

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