Body-worn monitor for measuring respiratory rate

US8979765B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8979765-B2
Application numberUS-76296310-A
CountryUS
Kind codeB2
Filing dateApr 19, 2010
Priority dateApr 19, 2010
Publication dateMar 17, 2015
Grant dateMar 17, 2015

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  2. Abstract

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  5. First independent claim

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Abstract

Official abstract text for this publication.

The invention provides a system for measuring respiratory rate (RR) from a patient. The system includes an impedance pneumography (IP) sensor, connected to at least two electrodes, and a processing system that receives and processes signals from the electrodes to measure an IP signal. A motion sensor (e.g. an accelerometer) measures at least one motion signal (e.g. an ACC waveform) describing movement of a portion of the patient's body to which it is attached. The processing system receives the IP and motion signals, and processes them to determine, respectfully, frequency-domain IP and motion spectra. Both spectra are then collectively processed to remove motion components from the IP spectrum and determine RR. For example, during the processing, an algorithm determines motion frequency components from the frequency-domain motion spectrum, and then using a digital filter removes these, or parameters calculated therefrom, from the IP spectrum.

First claim

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What is claimed is: 1. A system for measuring respiratory rate from a patient, comprising: a sensor module comprising a housing which encloses (a) an impedance pneumography system comprising: i) a connecting portion configured to connect to a plurality of electrodes configured to be worn on the patient; and ii) a differential amplifier configured to receive electrical signals from the plurality of electrodes and process them to generate an analog impedance pneumography signal;…

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What does patent US8979765B2 cover?
The invention provides a system for measuring respiratory rate (RR) from a patient. The system includes an impedance pneumography (IP) sensor, connected to at least two electrodes, and a processing system that receives and processes signals from the electrodes to measure an IP signal. A motion sensor (e.g. an accelerometer) measures at least one motion signal (e.g. an ACC waveform) describing m…
Who is the assignee on this patent?
Banet Matt, Dhillon Marshal, Mccombie Devin, and 1 more
What technology area does this patent fall under?
Primary CPC classification A61B5/113. Mapped technology areas include Human Necessities.
When was this patent published?
Publication date Tue Mar 17 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).