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Methods and apparatus for transpericardial left atrial appendage closure

  • US 7,226,458 B2
  • Filed: 11/05/2001
  • Issued: 06/05/2007
  • Est. Priority Date: 05/20/1999
  • Status: Expired due to Term
First Claim
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1. A device for closing a left atrial appendage of a heart, said device comprising:

  • a shaft having a proximal end and a distal end, wherein the distal end is percutaneously adapted to enter a pericardial space, advance over an epicardial surface, and approach the exterior of the left atrial appendage;

    at least one closing element carried by the shaft adapted to close the left atrial appendage when the distal end of the shaft is positioned adjacent the left atrial appendage; and

    the device further comprises an expander for separating the pericardium in the region of the left atrial appendage;

    wherein the shaft is curved over its length and has a crescent-shaped cross-section.

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