Device for assessing perfusion failure in a patient by measurement of blood flow
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United States of America Patent
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app pub date -
Feb 4, 2003
filing date -
Jul 6, 1995
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Abandoned
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Abstract
A device is provided for assessing impairment of blood circulation in a patient, such as that in perfusion failure, by measurement of blood flow adjacent a mucosal surface accessible by a mouth or nose and connecting with the gastrointestinal tract or upper respiratory/digestive tract of a patient. The device includes a blood-flow sensor adapted to be positioned adjacent a mucosal surface with a patient's body and measuring blood flow in adjacent tissue and a PCO.sub.2 sensor adapted to be positioned adjacent the mucosal surface and measuring PCO.sub.2. In addition a pH sensor may be used in combination with the blood flow determination. The invention affords rapid measurement and detection of perfusion failure.
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