Biological processing apparatus for expressing fluid material
US6852074B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | May 20, 1998 |
| Grant date | Feb 8, 2005 |
| Priority date | — |
| Expiry date | May 20, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/3393
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A method and apparatus for selectively expressing one or more selected fluid materials out of a fluid container, including a centrifuge rotor having a round centrifuge chamber of selected volume, a round expandable enclosure disposed within the centrifuge chamber having a rotation axis coincident with the central rotation axis and a flexible wall, a pump for controllably pumping a selected volume of expresser fluid into and out of the expandable enclosure wherein the fluid container is receivable within the centrifuge chamber, and a retaining mechanism for holding the fluid container within the centrifuge chamber in a coaxial position. The flexible wall of the fluid container is in contact with the flexible wall of the expandable enclosure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.