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Method and apparatus for the measurement of atrial pressure

  • US 5,181,517 A
  • Filed: 06/25/1991
  • Issued: 01/26/1993
  • Est. Priority Date: 09/18/1989
  • Status: Expired due to Term
First Claim
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1. Apparatus comprising a catheter means which includes a balloon and is insertable into an esophagus for positioning said balloon adjacent the left atrium, means for inflating said balloon, and means for measuring the balloon pressure when the amplitude of balloon pressure oscillations effected by the left atrial pressure when said balloon is adjacent the left atrium is at a peak.

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