Pipetting apparatus
US5322192A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 28, 1992 |
| Grant date | Jun 21, 1994 |
| Priority date | — |
| Expiry date | Jul 28, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2035/1032
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A pipetting apparatus for dispensing blood serum or blood plasma from a collection tube comprises a plate having a tubular spike protruding from one side and a spout protruding from the other side. The spike includes a dual conduit for providing a passageway for liquid to be dispensed from the tube and a passageway for gas to be introduced into the tube. The spike is pierced through a stopper of the collection tube and held in place with a holder that provides a leak-proof connection between the gas passageway and a supply of gas that is introduced into the passageway to force liquid out of the collection tube via the liquid passageway.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.