Intravenous metering device
US5108373A · kind A · utility
4Cited by
30References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 25, 1989 |
| Grant date | Apr 28, 1992 |
| Priority date | — |
| Expiry date | Sep 25, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S128/12
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An intravenous metering device is provided which includes an air retention chamber in downstream fluid communication with a source of fluid and in upstream fluid communication with a pumping chamber. A first valve is provided between the air retention chamber and the pumping chamber to control access to the pumping chamber. A second valve is provided to control the exit of fluid from the pumping chamber. The valves include a shared diaphragm portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.