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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.:

US 12263303 B1

PDFFull Text
Date of Patent:
Apr. 01, 2025

Filed:

Mar. 27, 2020

Systems and methods of detecting incorrect connections in a humidification system

Applicant:

Fisher & Paykel Healthcare Limited, Auckland, NZ;

Inventors:

Ivan Chih-Fan Teng, Auckland, NZ;

Po-Yen Liu, Auckland, NZ;

Ho Shing Lo, Auckland, NZ;

Oliver Samuel Steiner, Auckland, NZ;

Peter Alan Seekup, Auckland, NZ;

Assignee:

Fisher & Paykel Healthcare Limited, Auckland, NZ;

Attorney:

Knobbe, Martens, Olson & Bear, LLP

Primary Examiner:

Timothy A Stanis

Assistant Examiner:

Nicholas B Engel

Int. Cl.
CPC ...
A61M 16/08 (2006.01); A61M 16/00 (2006.01); A61M 16/06 (2006.01); A61M 16/10 (2006.01); A61M 16/16 (2006.01); A61M 16/20 (2006.01);
U.S. Cl.
CPC ...
A61M 16/0051 (2013.01); A61M 16/0003 (2014.02); A61M 16/0666 (2013.01); A61M 16/0833 (2014.02); A61M 16/0875 (2013.01); A61M 16/0883 (2014.02); A61M 16/1085 (2014.02); A61M 16/109 (2014.02); A61M 16/161 (2014.02); A61M 16/202 (2014.02); A61M 16/208 (2013.01); A61M 2016/0027 (2013.01); A61M 2016/003 (2013.01); A61M 2205/14 (2013.01); A61M 2205/3306 (2013.01); A61M 2205/3334 (2013.01); A61M 2205/3348 (2013.01); A61M 2205/3368 (2013.01); A61M 2205/3375 (2013.01); A61M 2205/3389 (2013.01); A61M 2205/505 (2013.01); A61M 2205/584 (2013.01); A61M 2205/6027 (2013.01); A61M 2205/6072 (2013.01); A61M 2205/6081 (2013.01); A61M 2205/702 (2013.01);
Abstract

Various control methods can indirectly determine incorrect connections between components in a respiratory therapy system. For example, incorrect connections can occur between a patient interface, a humidifier and/or a gases source. The methods can indirectly detect if reverse flow conditions or other error conditions exist. A reverse flow condition can occur when gases flows in a direction different from an intended direction of flow. The methods can be implemented at the humidifier side, at the gases source side, or both.

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