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:
Sep. 12, 2023
Filed:
Mar. 03, 2021
Applicant:
Koninklijke Philips N.v., Eindhoven, NL;
Inventors:
Gabriele Papini, Eindhoven, NL;
Pedro Miguel Ferreira Dos Santos Da Fonesca, Borgerhout, BE;
Assignee:
KONINKLIJKE PHILIPS N.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B 5/00 (2006.01); G16H 40/67 (2018.01); G16H 50/30 (2018.01); A61B 5/0205 (2006.01); A61B 5/024 (2006.01); A61B 5/08 (2006.01);
U.S. Cl.
CPC ...
A61B 5/4818 (2013.01); A61B 5/0205 (2013.01); A61B 5/02416 (2013.01); A61B 5/4812 (2013.01); A61B 5/7267 (2013.01); A61B 5/7278 (2013.01); A61B 5/7282 (2013.01); G16H 40/67 (2018.01); G16H 50/30 (2018.01); A61B 5/02405 (2013.01); A61B 5/0816 (2013.01); A61B 2562/0219 (2013.01);
Abstract
A system for detecting sleep apnea uses a PPG sensor for generating a PPG signal. An estimate of respiratory effort is derived from the PPG signal, and from this a respiratory effort signal is derived. Characteristic features are extracted from the respiratory effort signal, and sleep disordered breathing events are detected from the extracted characteristic features. This analysis can distinguish between sleep disordered breathing events and normal breathing during sleep.