The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 28, 1998
Filed:
Sep. 15, 1995
Applicant:
Inventors:
Eric S Chase, Walnut Creek, CA (US);
Harvey L Schulte, Los Altos, CA (US);
Assignee:
Cytek Development Inc., Fremont, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
422 82 ; 422 81 ; 422100 ; 436 53 ; 436174 ; 436180 ;
Abstract
An apparatus and method is disclosed for transferring biological fluids such as blood and serum from closed containers to multiple receiving containers. The disclosed methods and apparatus perform the transfer of an accurate and precise amount of biological liquid without dilution of the biological liquid, and without splattering of the biological liquid on the walls of the receiving container. Furthermore, the method discloses how to obtain equal concentrations of white blood cells in multiple receiving containers characteristic of their concentration in the sealed container.