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Devices, systems, and methods to treat heart failure having an improved flow-control mechanism

  • US 10,188,375 B2
  • Filed: 07/30/2010
  • Issued: 01/29/2019
  • Est. Priority Date: 11/07/2006
  • Status: Active Grant
First Claim
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1. A device for treating a heart condition in a patient, said device being configured to be implanted into the atrial septum of the patient'"'"'s heart, the patient'"'"'s heart comprising a left atrium and a right atrium, the device comprising:

  • a cylindrical core segment defining a passage;

    a first annular flange adapted to engage a first surface of the atrial septum;

    a second annular flange adapted to engage a second surface of the atrial septum, thesecond surface opposite to the first surface, anda flow control element adapted to be partially open when the pressure in the left atrium is equal to the pressure in the right atrium and to close when the pressure in the right atrium is greater than the pressure in the left atrium by at least 2 mm Hg,wherein the flow control element extends over a radially inner portion of the second annular flange, such that it overlaps with the radially inner portion of the second annular flange.

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