Patent · US Active

Cushion for mask system

US11278693B2 · kind B2 · utility

0Cited by

24References

22Claims

0Family size

Assignee

ResMed Pty Ltd · AU

Inventors

Rupert Christian Scheiner · Sydney, AU
Scott Alexander Howard · Sydney, AU
Gregory Scott Smart · Sydney, AU
Christopher Scott Skipper · Sydney, AU
Steven John Lubke · Sydney, AU
Timothy Shawn Nelson · Sydney, AU

Key dates

Filing date	Aug 20, 2019
Grant date	Mar 22, 2022
Priority date	—
Expiry date	Jun 6, 2040

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61M2210/0625
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A mouth cushion for a mask system includes a side wall, an undercushion extending away from the side wall, and a membrane provided to substantially surround the undercushion and adapted to form a continuous seal around an exterior of a patient's mouth in use. The side wall includes spaced-apart prong support structures that provide annular recesses adapted to support respective nasal prongs. Each prong support structure includes an alignment indicator to aid correct assembly of the respective nasal prong.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.