Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Donald D. Hickey0
Date of Patent
May 5, 2009
0Patent Application Number
114711450
Date Filed
June 19, 2006
0Patent Primary Examiner
Patent abstract
A system and method for determining indicators of left ventricular function, and for determining the effectiveness of a cardiac therapy are disclosed. The indicators of left ventricular function can include isovolumetric relaxation time and the negative slope of a V wave obtained from measuring changes in left atrial pressure during diastole. The apparatus may include a catheter comprising an inflatable balloon for insertion into the esophagus of an individual, a compressor device for pressurizing the balloon, and a means for sensing and recording pressure changes on the balloon.
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