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Medical device for modification of left atrial appendage and related systems and methods

  • US 10,582,929 B2
  • Filed: 05/31/2017
  • Issued: 03/10/2020
  • Est. Priority Date: 06/17/2009
  • Status: Active Grant
First Claim
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1. A method of modifying a left atrial appendage of a heart, the method comprising:

  • advancing a medical device with a catheter of a delivery system through a vasculature and into the left atrial appendage of the heart, the medical device including a framework extending between a primary hub and a secondary hub, the primary hub and the secondary hub having a common axis;

    deploying the framework adjacent the left atrial appendage from a constricted position to a deployed position so that the secondary hub is moveable along the axis relative to the primary hub such that the secondary hub remains proximal a distal end of the framework;

    securing the framework to tissue in the left atrial appendage with engaging members positioned on the framework proximal the distal end of the framework, the framework at a distal side thereof extending radially and distally toward the distal end, and turns to extend radially and proximally inward toward the secondary hub; and

    releasing the catheter from the medical device and withdrawing the delivery system from the heart to permanently leave the medical device in the left atrial appendage.

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