Systems and methods for determining respiratory effort

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United States of America Patent

PATENT NO 8834378
APP PUB NO 20120029361A1
SERIAL NO

12847720

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Abstract

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Systems and methods for calculating a measure of respiratory effort of a subject are provided. The measure of respiratory effort may be calculated based on a differential pulse transit time (DPTT) calculated for received photoplethysmograph signals. The systems and methods may allow for the calculation of respiratory effort in absolute units, and without the need for calibrations from a device that measures blood pressure (e.g., a non-invasive blood pressure cuff).

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Patent Owner(s)

  • NELLCOR PURITAN BENNETT IRELAND

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Addison, Paul Stanley Midlothian, GB 176 3397
Watson, James N Fife, GB 84 1183

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