The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 07, 2023
Filed:
Sep. 17, 2020
Koninklijke Philips N.v., Eindhoven, NL;
Francesco Vicario, Boston, MA (US);
Eric Paul Wigforss, Wallingford, CT (US);
Koninklijke Philips N.V., Eindhoven, NL;
Abstract
The present disclosure describes a system for metabolic monitoring comprising: collecting exhaled gas from nasal airways of a subject; a mixing chamber for receiving a portion of the exhaled gas; a plurality of sensors for outputting signals related to gas parameters related to inhaled gas and exhaled gas during one or more breaths; and processors configured to determine a flow rate of gas in the interface appliance; determine pressure changes near the mouth of the subject to detect mouth breathing of the subject; determine concentration measurements of O2 and CO2 of the portion of the exhaled gas in the mixing chamber, and discard concentration measurements corresponding to mouth breathing; determine a rate of oxygen consumption VO2 and a carbon dioxide production VCO2 of the subject based on the determined flow rate, the CO2 concentration, and the determined O2 concentration.