Indirect calorimetry system
First Claim
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1. An indirect calorimetry system comprising:
- a plurality of transducers sensitive to expired airflow;
a calorimeter housing enclosing the plurality of transducers;
a microprocessor in communication with the plurality of transducers for calculating expiration characteristics; and
a graphical display displaying the expiration characteristics.
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Abstract
An indirect calorimetry system includes transducers sensitive to expired airflow that are enclosed within a calorimeter housing, and a microprocessor in communication with the transducers for calculating expiration characteristics. A graphical display displays the expiration characteristics. A communication link transmits expiration characteristics to external devices such as a computer, communication network, or PDA.
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Citations
25 Claims
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1. An indirect calorimetry system comprising:
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a plurality of transducers sensitive to expired airflow;
a calorimeter housing enclosing the plurality of transducers;
a microprocessor in communication with the plurality of transducers for calculating expiration characteristics; and
a graphical display displaying the expiration characteristics. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 24, 25)
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12. An indirect calorimetry system comprising:
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a plurality of transducers sensitive to expired airflow;
a calorimeter housing enclosing the plurality of transducers;
a microprocessor in communication with the plurality of transducers for calculating expiration characteristics; and
a communications link to a device selected from the group consisting of;
a computer, a communication network, and a PDA.
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23. A process for monitoring physiological gas exchange associated with respiration comprising the steps of:
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expiring into an indirect calorimeter for a period of time;
measuring expiration flow with a plurality of transducers;
time stamping the measurement of expiration flow; and
displaying the expiration flow data as a function of the period of time.
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Specification