Intravenous pump chamber assembly
US4456009A · kind A · utility
14Cited by
9References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 30, 1980 |
| Grant date | Jun 26, 1984 |
| Priority date | — |
| Expiry date | Jun 30, 2000 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M5/14224
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A disposable intravenous pump chamber assembly for an intravenous administration set which substantially reduces the problem of air bubble entrapment so that the amount of intravenous fluid delivered is effected in an accurate manner. The pump chamber assembly is specifically constructed to be utilized in conjunction with a diaphragm-type pump with external valving. The pump chamber cassette is held in the pump in a unique manner and includes a porting and fluid delivery arrangement which reduces the problem of air entrapment in the pump chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.