Demand oxygen system
US5137017A · kind A · utility
199Cited by
3References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 14, 1991 |
| Grant date | Aug 11, 1992 |
| Priority date | — |
| Expiry date | Mar 14, 2011 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2016/0027
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An intermittent oxygen delivery system for supplying oxygen to a first nare of a nasal cannula in response to patient's exhalation sensed through the second nare which is isolated from the delivery of the oxygen to the first nare.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.