Control for a demand cannula
US4054133A · kind A · utility
125Cited by
11References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 29, 1976 |
| Grant date | Oct 18, 1977 |
| Priority date | — |
| Expiry date | Mar 29, 1996 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2016/0021
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A control for regulating the flow of a breathable fluid from a storage container to a recipient as a function of the differential between inhalation and exhalation pressure measured in the nasal cavity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.