Flow restrictor
US4456014A · kind A · utility
35Cited by
8References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 3, 1983 |
| Grant date | Jun 26, 1984 |
| Priority date | — |
| Expiry date | Jan 3, 2003 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2230/432
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
For restricting the flow of breathing gas between a patient's breathing tube and a breathing gas analyzer, there is provided a fitting extending into the breathing tube. The fitting preferably has a restricted inlet volume opening through a filter and through a capillary tube into an outlet connectable to the gas analyzer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.