Method and apparatus for the continuous conditioning of a cell suspension

US5445593A · kind A · utility

Assignee

• Fresenius AG · DE

Inventors

• Wolfgang Biesel · Ottweiler, DE
• Bernd Mathieu · Spiesen, DE
• Wolfram Weber · Friedrichsthal, DE

Key dates

• Filing date: Jul 16, 1993
• Grant date: Aug 29, 1995
• Expiry date: Jul 16, 2013

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T436/25375
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A method and apparatus for the continuous conditioning of a cell suspension, more particularly whole blood, in order to obtain an erythrocyte concentrate which is returned to the patient by autotransfusion. In accordance with the invention there are three treatment stages, that is to say sedimentation of the cell suspension, the addition of washing solution to the cell concentrate and renewed sedimentation and separation of the washing solution.