Infusion pumping apparatus
US4472117A · kind A · utility
24Cited by
4References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 1, 1982 |
| Grant date | Sep 18, 1984 |
| Priority date | — |
| Expiry date | Mar 1, 2002 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04B43/1253
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Infusion pumping apparatus having means for releasing back pressures which can develop in an infusion tube (18) through which fluid is being driven. When an excessive back pressure is developed, the infusion tube expands into a peripheral groove (43) on a drive roller (38) carried at the periphery of a rotor body (20).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.