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:
Sep. 12, 2023

Filed:

Jul. 01, 2020
Applicant:

Resmed Pty Ltd, Bella Vista, AU;

Inventors:

Philip Rodney Kwok, Sydney, AU;

Lee James Veliss, Rotterdam, NL;

Robert Edward Henry, Sydney, AU;

Assignee:

ResMed Pty Ltd., Bella Vista, AU;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61M 16/06 (2006.01); A61M 16/08 (2006.01); A61M 16/10 (2006.01);
U.S. Cl.
CPC ...
A61M 16/06 (2013.01); A61M 16/065 (2014.02); A61M 16/0633 (2014.02); A61M 16/085 (2014.02); A61M 16/0825 (2014.02); A61M 16/0858 (2014.02); A61M 16/1045 (2013.01); A61M 2202/0208 (2013.01); A61M 2205/0238 (2013.01); A61M 2205/42 (2013.01); A61M 2205/581 (2013.01); A61M 2205/583 (2013.01); A61M 2205/7527 (2013.01); A61M 2205/7536 (2013.01);
Abstract

A patient interface is configured to deliver a pressurized flow of respiratory gas to a patient's airways. The patient interface includes a cushion and shell assembly with a cushion portion mounted on a shell portion that is more rigid than the cushion portion. The cushion portion is configured to sealingly engage the patient's face and has a vent opening. The shell portion includes a plurality of headgear connectors. The patient interface further includes a gas washout vent assembly configured to be positioned within the vent opening of the cushion portion. The gas washout vent assembly includes a main body configured to be secured to the cushion portion, a porous body, and an outer cover with a plurality of openings. The main body at least partially houses the porous body and the outer cover.


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