Mask assembly with converging neck side walls
US9744324B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 29, 2014 |
| Grant date | Aug 29, 2017 |
| Priority date | — |
| Expiry date | Jun 27, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2210/0625
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A mask assembly includes a mask frame including a lower portion and a neck extending from the lower portion, a cushion provided to the mask frame and adapted to contact a patient's face, a forehead support assembly provided to the neck of the mask frame, the forehead support assembly including a forehead support and a forehead pad provided to the forehead support, and an elbow assembly provided to the mask frame. The neck includes a pair of side walls spaced apart from one another along an entire length of the neck, the side walls providing an open space therebetween along the entire length of the neck that opens towards a front side of the mask assembly. The pair of side walls comprise an upper converging section wherein the pair of side walls converge towards one another in a downward direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.