Patent · US Active

Interchangeable mask assembly

US9381316B2 · kind B2 · utility

140Cited by
717References
85Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 30, 2009
Grant dateJul 5, 2016
Priority date
Expiry dateMay 15, 2032

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49826
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A mask assembly for a user includes a frame having a main body and lateral connector portions and a cushion component provided to the frame and defining a breathing cavity configured to accommodate at least a portion of the user's nose in use. The cushion component includes a face contacting seal portion adapted to sealingly engage with at least a portion of the user's nose in use. The cushion component has an aperture to communicate pressurized gas from the breathing chamber to the user's airways in use, and a main wall portion, opposite from the aperture, extending upwardly away from the frame. The main wall portion includes a stiffening portion.

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