Cardiovascular guiding catheter with heat exchange properties and methods of use
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United States of America Patent
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Nov 11, 2003
Grant Date -
Aug 29, 2002
app pub date -
Feb 1, 2002
filing date -
Apr 21, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
An intravenous cardiovascular guiding catheter system (apparatus and method) for controlling patient temperature includes a generally tubular elongate body having a guide lumen with a guide duct disposed at the distal tip of the catheter for providing a pathway through which medical apparatus may be advanced in the patient's circulatory system. The catheter also comprises one or more lumens for conveying a heat exchange fluid to one or more heat exchange elements that exchange heat with the patient's blood to control the patient's temperature. The catheter may have an internal heating element that heats or cools the heat exchange fluid. The catheter also preferably has one or more infusion lumens for providing access to the patient's central blood supply. The catheter may be used to treat myocardial infarction.
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