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:
Jun. 11, 2024
Filed:
Jul. 07, 2022
Resmed Pty Ltd, Bella Vista, AU;
Robert Henry Frater, Sydney, AU;
Quangang Yang, Sydney, AU;
ResMed Pty Ltd, Bella Vista, AU;
Abstract
A mask system to deliver a flow of air at a positive pressure with respect to ambient air pressure to an entrance to the patient's airways includes a frame and a cushion forming a plenum chamber. The mask system includes a mask vent including an exterior recess positioned outside the plenum chamber and including a bottom surface, a plurality of vent holes each including a vent inlet and a vent outlet, and a plurality of ribs extending from the bottom surface. The plurality of ribs includes at least a first rib and a second rib, the first rib having a free end spaced apart from a free end of the second rib, and the first rib or the second rib is positioned between the first vent outlet and the second vent outlet.