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Intracardiac cage and method of delivering same

  • US 10,143,458 B2
  • Filed: 09/09/2016
  • Issued: 12/04/2018
  • Est. Priority Date: 09/16/2005
  • Status: Active Grant
First Claim
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1. A method of implanting an expandable intracardiac cage into a left atrium of a heart, comprising:

  • advancing intravascularly a delivery sheath having a delivery sheath proximal end, a delivery sheath distal end, and a lumen extending therebetween to a right atrium of a heart;

    advancing the delivery sheath distal end through an opening between the right atrium and the left atrium,wherein the delivery sheath distal end contains an expandable cage having a proximal end, a distal end, and a plurality of supports extending therebetween,wherein the expandable cage has a collapsed configuration sized and adapted to be received within the lumen of the delivery sheath distal end, and an expanded configuration for deployment within the heart;

    delivering the expandable cage to the left atrium through the delivery sheath; and

    expanding the expandable cage within the left atrium,the expandable cage when expanded positioning the distal end of the expandable cage adjacent an opening in the wall of the left atrium; and

    positioning the proximal end of the expandable cage against a wall of the left atrium, wherein the expandable cage includes a plurality of barbs proximate at least one of the distal end or the proximal end of the cage,wherein each barb of the plurality of barbs hold, secure, fix, lock, or maintain a position of an implantable device within the heartwherein the cage is sized and adapted to span a distance between the opening in the wall of the left atrium and the wall of the left atrium against which the proximal end of the expandable cage is positioned to maintain a degree of residual compression of the expandable cage while the distal end of the expandable cage and the proximal end of the expandable cage contact the wall of the left atrium.

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