Combined nasal and mouth ventilation mask
US10589047B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 21, 2016 |
| Grant date | Mar 17, 2020 |
| Priority date | — |
| Expiry date | Sep 21, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2230/432
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A gas ventilation mask includes an anesthesia nasal mask and a mouth mask defining respectively a nasal chamber and an oral chamber, detachably connected to one another so that the nasal mask and the mouth mask may be used either separately as a nasal mask or as a mouth mask, or as a combination nasal-mouth mask. Also provided is an anesthesia mask strap system having a first expandable strap portion having the ability to extend; second and third non-expandable strap sections fixed to ends of the first expandable strap section; and an adhesion section for fixing a length of the strap system when the second and third non-expandable strap sections are pulled to tension the expandable strap section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.