Continuous positive airway supply system to nasal cannula having sensitive pressure relief valve
US8267083B1 · kind B1 · utility
13Cited by
5References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 14, 2010 |
| Grant date | Sep 18, 2012 |
| Priority date | — |
| Expiry date | Oct 31, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/3653
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The invention concerns a combination control for use in nasal cannula therapy, and includes a high flow, nasal cannula respiratory assistance ducted system, and a pressure relief valve having indicator structure, which typically includes a tubular body, a carrier slidable in the body, a plunger-indicator carried by the carrier, and a spring resisting carrier movement toward a cap on the body that defines an indicator window.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.