Surgery – Miscellaneous – Methods
Reexamination Certificate
2011-03-01
2011-03-01
Farah, Ahmed M (Department: 3769)
Surgery
Miscellaneous
Methods
C607S104000, C607S105000
Reexamination Certificate
active
07896009
ABSTRACT:
A balloon catheter is used in a closed-loop heat exchange system for manipulating the temperature of a patient. The balloon catheter is positioned in the stomach of the patient, and then expanded with a heat exchange fluid delivered through a lumen formed in the shaft of the catheter. The balloon catheter comes into contact with the wall of the stomach, and the stomach substantially conforms around the expanded balloon catheter. The heat exchange fluid is allowed to flow continuously into and out of the balloon catheter. Heat is exchanged between the balloon catheter and the stomach so as to controllably alter the temperature of at least a portion of the patient. Anti-shivering mechanisms and automatic control based on temperature feedback from the patient may be used in connection with the heat exchange system.
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Farah Ahmed M
Fitzgerald John K.
Fulwider Patton LLP
ZOLL Circulation, Inc.
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