System for detecting and monitoring vital signs
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United States of America Patent
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Apr 20, 2010
Grant Date -
Jan 10, 2008
app pub date -
Jul 5, 2007
filing date -
Jul 5, 2006
priority date (Note) -
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Abstract
A system and method for determining and monitoring various characteristics of a patient positioned on a patient support apparatus, such as a bed, stretcher, or cot, is disclosed. The system and method involve monitoring the forces exerted by the patient on one or more force sensors, which may be load cells on the support apparatus. These force sensors will detect vibrations that correspond to various conditions of the patient, including the patient's heart rate, breathing rate, and/or the seizure status of a patient. These vibrations may be analyzed, such as by Fast Fourier Transforms, in order to determine the various conditions of the patient.
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