Nasal pillows for a patient interface
US9901700B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 9, 2009 |
| Grant date | Feb 27, 2018 |
| Priority date | — |
| Expiry date | Jul 20, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M16/0875
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A nasal pillow section for use as part of an apparatus for providing a stream of gases to a user, the pillow section in use located in front of the upper lip and below the nostrils of a user, the pillow section comprising a pillow gasket having a gases aperture which receives a stream of gases in use, and nasal pillows fluidically connected to the pillow gasket which are adapted to substantially seal against the nostrils of a user in use, so that substantially the whole of the stream of gases entering the gasket through the aperture passes into the nasal pillows from the pillow gasket and is delivered to the user, the lower inner surface of the pillow gasket shaped so that in use contact between the upper lip of a user and the pillow gasket is minimised.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.