Septal defect closure device

CAFC
  • US 6,077,291 A
  • Filed: 11/26/1996
  • Issued: 06/20/2000
  • Est. Priority Date: 01/21/1992
  • Status: Expired due to Fees
First Claim
Patent Images

1. A septal defect closure device comprising first and second occluding disks, each disk comprising a flexible, biologically compatible membrane capable of being collapsed for passage through a catheter and elastically returning to a predetermined shape for tautly holding a portion of the membrane against a septum;

  • a central portion of the membrane of the first disk being affixed to a central portion of the membrane of the second disk to define a conjoint disk having a diameter, a maximum dimension of at least one of the first and second disks being between about 1.6 and about 2.5 times the diameter of the conjoint disk.

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