Nasal and oral cannula having two capabilities and method of producing same
US7832400B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 13, 2004 |
| Grant date | Nov 16, 2010 |
| Priority date | — |
| Expiry date | Oct 11, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2230/43
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A nasal cannula comprising a hollow main body having opposed first and second openings formed therein and the main body defining an internal chamber. A partition divides the internal chamber into first and second flow compartments. A flow passageway of a first nasal prong communicates with the first compartment and a flow passageway of the first mouth piece communicates with the first compartment to define a first flow passageway which communicates with both a first nostril and a mouth of the patient. A flow passageway of a second nasal prong communicates with the second compartment and a flow passageway of the second mouth piece communicates with the first compartment to define a second flow passageway which communicates with both a second nostril and the mouth of the patient.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.