Blood cell separator

US4419089A · kind A · utility

Assignee

• The United States of America, as represented by the Department of Health and Human Services · US

Inventors

• Theodor Kolobow · Rockville, US
• Yoichiro Ito · Bethesda, US

Key dates

• Filing date: Jul 19, 1977
• Grant date: Dec 6, 1983
• Expiry date: Jul 19, 1997

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B04B2005/0457
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A centrifugal blood component separator with a spiral helically inclined rotor chamber. The apparatus uses continuous blood flow-through without rotating seals. At the lower end of the helical rotor chamber there are terminals for blood input and packed red blood cell output, whereas at the higher end there is a terminal for plasma. Intermediate outlet terminals may be provided for white blood cells and platelets.