Methods and apparatuses for localizing myocardial infarction during catheterization
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United States of America Patent
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Dec 29, 2009
Grant Date -
Dec 22, 2005
app pub date -
Jun 18, 2004
filing date -
Jun 18, 2004
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Abstract
A catheter with a tissue property sensor provides for localization of myocardial infarction (MI) by utilizing one or more differences between properties of infarcted myocardial tissue and properties of normal myocardial tissue. The tissue property sensor is to be placed on endocardial wall or epicardial wall during catheterization to sense at least one tissue property allowing for detection of MI. Examples of the tissue property sensor include, but are not limited to, an optical sensor, an acoustic sensor, a contractility sensor, a temperature sensor, and a drug response sensor. In one embodiment, the tissue property sensor senses a tissue property in various locations on endocardial wall or epicardial wall and detects substantial changes in the tissue property that indicate a boundary between infarcted tissue and normal tissue.
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