Apnea and hypopnea detection

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United States of America Patent

PATENT NO 9668692
APP PUB NO 20150073291A1
SERIAL NO

14020729

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Abstract

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The identification of obstructed breathing, including an apnea condition and a hypopnea condition, is disclosed. A signal representative of a flow rate of therapeutic gas being delivered to the patient is received. A peak flow value and a minimum flow value over a predetermined time window encompassing a plurality of respiration cycles is derived. A polynomial difference equation from the peak flow values and the minimum flow values is generated, and a respiration index from a minimum of the polynomial difference equation is derived. The apnea and/or hypopnea condition is indicated based upon a comparison of the respiration index to a predefined obstruction threshold over a predefined obstruction time period.

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Patent Owner(s)

Patent OwnerAddress
BREATHE TECHNOLOGIES INC175 TECHNOLOGY DRIVE SUITE 100 IRVINE CA 92618

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ahmad, Samir S San Diego, US 29 288
Baloa, Welzien Leonardo Alberto Lake Forest, US 24 174
Bambrilla, Enrico Irvine, US 4 20

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