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.

Date of Patent:
Oct. 13, 2020

Filed:

Aug. 13, 2013
Applicant:

Koninklijke Philips N.v., Eindhoven, NL;

Inventors:

Nathan John Berry Ann, Cranberry Township, PA (US);

William Anthony Truschel, Oakmont, PA (US);

Assignee:

Koninklijke Philips N.V., Eindhoven, NL;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M 16/00 (2006.01); A61M 16/06 (2006.01);
U.S. Cl.
CPC ...
A61M 16/0003 (2014.02); A61M 16/0051 (2013.01); A61M 16/0066 (2013.01); A61M 16/026 (2017.08); A61M 16/06 (2013.01); A61M 16/0063 (2014.02); A61M 2016/003 (2013.01); A61M 2016/0027 (2013.01); A61M 2205/13 (2013.01); A61M 2205/3334 (2013.01); A61M 2205/502 (2013.01);
Abstract

A flow of breathable gas is delivered to a subject through a patient interface assembly. An enhanced technique for determining whether the airway of subject is disengaged from the patient interface assembly. A model that provides predicted values of a dynamic property of the flow of breathable gas is fit to measured values of the dynamic property. The model and/or the fit of the predicted values to the measured values are then analyzed to determine whether or not the airway of the subject is disengaged from the patient interface assembly. This provide enhanced determination of these conditions even in implementations in which a restrictive patient interface assembly is used.


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