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. 08, 2026
Filed:
May. 27, 2022
Resmed Pty Ltd, Bella Vista, AU;
Lorenz Eberl, Sydney, AU;
Luke Andrew Stanislas, Sydney, AU;
ResMed Pty Ltd, Bella Vista, AU;
Abstract
A patient interface is disclosed. The patient interface has a plenum chamber and a seal forming structure arranged to form a seal with a region of the patient's face surrounding an entrance to the patient's airways. The patient interface further comprises a heat and moisture exchanger (HME) located within the plenum chamber. The HME comprises a flexible heat and moisture exchange material and a retaining structure formed from a pliable material provided around an outer perimeter of the heat and moisture exchange material. The retaining structure comprises at least one snap fit feature configured to engage, in use, at least one complementary snap fit feature provided to an interior of the plenum chamber; and/or the retaining structure is an interference fit with an interior surface of the plenum chamber. Also disclosed is an HME comprising a flexible heat and moisture exchange material and a retaining structure formed from a thermoplastic.