Peristaltic pump having a spiral cam and straight peristaltic tube
US4544329A · kind A · utility
14Cited by
3References
22Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 14, 1983 |
| Grant date | Oct 1, 1985 |
| Priority date | — |
| Expiry date | Jan 14, 2003 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M5/14232
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An improved peristaltic pump is disclosed which comprises a plurality of peristaltic tubes which extend from a central suction port to a common discharge chamber. A spiral cam engages the tubes and closes the lumens defined thereby. The spiral cam is rotated relative to the tubes to effect pumping.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.