Selective organ cooling apparatus and method employing turbulence-inducing element with curved terminations
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United States of America Patent
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May 29, 2001
Grant Date -
N/A
app pub date -
Feb 9, 1999
filing date -
Jan 23, 1998
priority date (Note) -
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Abstract
A selective organ heat transfer device with deep irregularities in a turbulence-inducing exterior surface. The device can have a plurality of elongated, articulated segments, each having a turbulence-inducing exterior surface. A flexible joint connects adjacent elongated, articulated segments. An inner lumen is disposed within the heat transfer segments. The inner lumen is capable of transporting a pressurized working fluid to a distal end of the heat transfer element. The irregularities may be grooves, and the grooves have a curved termination point which directs blood along a direction having a component perpendicular to the axis of the segments, thereby enhancing turbulence and heat transfer.
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