Centrifugal separation of blood
US4850995A · kind A · utility
138Cited by
5References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 19, 1987 |
| Grant date | Jul 25, 1989 |
| Priority date | — |
| Expiry date | Aug 19, 2007 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2202/0429
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Returning red blood cells to a patient after a centrifuge separation procedure by connecting an inflow line of a separation channel to an outflow line to provide a closed loop and recirculating liquid through it to remove blood cells. Also disclosed is pulling more liquid out of a flexible separation channel than permitted into it in order to reduce the volume of liquid to be used in returning cells to the patient.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.