Small volume self-metered blood separation device
US11266988B2 · kind B2 · utility
0Cited by
17References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 14, 2018 |
| Grant date | Mar 8, 2022 |
| Priority date | — |
| Expiry date | Jun 4, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01L2400/0481
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The invention, is directed to devices and methods for low cost and convenient separation, of plasma from whole blood. In some embodiments, devices of the invention comprise an integrated collection of channels and chambers m a body that permit acquisition of a blood sample by capillary action, centrifugal separation of cells from plasma, and manual dispensing of purified plasma by simple pinching of a bellows chamber to force air into plasma-holding channels which thereby expels a predetermined volume of the purified plasma.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.